/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "mysql_priv.h" #include #include #include "sql_acl.h" #ifdef HAVE_BERKELEY_DB #include "ha_berkeley.h" #endif #include "ha_myisam.h" #include #include #include #ifdef __cplusplus extern "C" { // Because of SCO 3.2V4.2 #endif #include #include #ifndef __GNU_LIBRARY__ #define __GNU_LIBRARY__ // Skipp warnings in getopt.h #endif #include #ifdef HAVE_SYSENT_H #include #endif #ifdef HAVE_PWD_H #include // For getpwent #endif #ifdef HAVE_GRP_H #include #endif #ifndef __WIN__ #include #ifdef HAVE_SYS_UN_H # include #endif #include #ifdef HAVE_SELECT_H # include #endif #ifdef HAVE_SYS_SELECT_H #include #endif #include #else #include #endif // __WIN__ #ifdef HAVE_LIBWRAP #include #include #ifdef NEED_SYS_SYSLOG_H #include #endif /* NEED_SYS_SYSLOG_H */ int allow_severity = LOG_INFO; int deny_severity = LOG_WARNING; #endif /* HAVE_LIBWRAP */ #if defined(__FreeBSD__) && defined(HAVE_IEEEFP_H) #include #ifdef HAVE_FP_EXCEPT // Fix type conflict typedef fp_except fp_except_t; #endif /* We can't handle floating point expections with threads, so disable this on freebsd */ inline void reset_floating_point_exceptions() { /* Don't fall for overflow, underflow,divide-by-zero or loss of precision */ fpsetmask(~(FP_X_INV | FP_X_DNML | FP_X_OFL | FP_X_UFL | FP_X_DZ | FP_X_IMP)); } #else #define reset_floating_point_exceptions() #endif /* __FreeBSD__ && HAVE_IEEEFP_H */ #ifdef __cplusplus } #endif #if defined(HAVE_LINUXTHREADS) #define THR_KILL_SIGNAL SIGINT #else #define THR_KILL_SIGNAL SIGUSR2 // Can't use this with LinuxThreads #endif #ifdef HAVE_GLIBC2_STYLE_GETHOSTBYNAME_R #include #else #include // For thr_setconcurency() #endif #if defined(HAVE_GETRLIMIT) && defined(RLIMIT_NOFILE) && !defined(__linux__) && !defined(HAVE_mit_thread) #define SET_RLIMIT_NOFILE #endif #ifdef SOLARIS extern "C" int gethostname(char *name, int namelen); #endif #define MYSQL_KILL_SIGNAL SIGTERM #ifndef DBUG_OFF static const char* default_dbug_option=IF_WIN("d:t:i:O,\\mysqld.trace", "d:t:i:o,/tmp/mysqld.trace"); #endif #ifdef __NT__ static char szPipeName [ 257 ]; static SECURITY_ATTRIBUTES saPipeSecurity; static SECURITY_DESCRIPTOR sdPipeDescriptor; static HANDLE hPipe = INVALID_HANDLE_VALUE; static pthread_cond_t COND_handler_count; static uint handler_count; #endif #ifdef __WIN__ static bool opt_console=0; #endif static ulong opt_specialflag=SPECIAL_ENGLISH; static my_socket unix_sock= INVALID_SOCKET,ip_sock= INVALID_SOCKET; static ulong back_log,connect_timeout,concurrency; static my_string opt_logname=0,opt_update_logname=0, opt_binlog_index_name = 0,opt_slow_logname=0; my_string opt_bin_logname = 0; // this one needs to be seen in sql_parse.cc static char mysql_home[FN_REFLEN],pidfile_name[FN_REFLEN]; static pthread_t select_thread; static pthread_t flush_thread; // Used when debugging static bool opt_log,opt_update_log,opt_bin_log,opt_slow_log,opt_noacl, opt_disable_networking=0, opt_bootstrap=0,opt_skip_show_db=0, opt_ansi_mode; bool opt_sql_bin_update = 0, opt_log_slave_updates = 0; // if sql_bin_update is true, SQL_LOG_UPDATE and SQL_LOG_BIN are kept in sync, and are // treated as aliases for each other static bool kill_in_progress=FALSE; static struct rand_struct sql_rand; static int cleanup_done; static char **defaults_argv,time_zone[30]; static const char *default_table_type_name; #ifdef HAVE_OPENSSL static bool opt_use_ssl = false; static char *opt_ssl_key = 0; static char *opt_ssl_cert = 0; static char *opt_ssl_ca = 0; static char *opt_ssl_capath = 0; static VioSSLAcceptorFd* ssl_acceptor_fd = 0; #endif /* HAVE_OPENSSL */ extern bool slave_running; I_List replicate_do_db, replicate_ignore_db; // allow the user to tell us which db to replicate and which to ignore I_List binlog_do_db, binlog_ignore_db; uint mysql_port; uint test_flags, select_errors=0, dropping_tables=0,ha_open_options=0; uint volatile thread_count=0, thread_running=0, kill_cached_threads=0, wake_thread=0, global_read_lock=0; ulong thd_startup_options=(OPTION_UPDATE_LOG | OPTION_AUTO_IS_NULL | OPTION_BIN_LOG | OPTION_AUTO_COMMIT); uint protocol_version=PROTOCOL_VERSION; ulong keybuff_size,sortbuff_size,max_item_sort_length,table_cache_size, max_join_size,join_buff_size,tmp_table_size,thread_stack, thread_stack_min,net_wait_timeout,what_to_log= ~ (1L << (uint) COM_TIME), query_buff_size, lower_case_table_names, mysqld_net_retry_count, net_interactive_timeout, slow_launch_time = 2L, net_read_timeout,net_write_timeout; ulong thread_cache_size=0; volatile ulong cached_thread_count=0; // replication parameters, if master_host is not NULL, we are slaving off the master my_string master_user = (char*) "test", master_password = 0, master_host=0, master_info_file = (char*) "master.info"; uint master_port = MYSQL_PORT, master_connect_retry = 60; ulong max_tmp_tables,max_heap_table_size; ulong bytes_sent = 0L, bytes_received = 0L; bool opt_endinfo,using_udf_functions,low_priority_updates; bool volatile abort_loop,select_thread_in_use,flush_thread_in_use,grant_option; bool volatile ready_to_exit,shutdown_in_progress; ulong refresh_version=1L,flush_version=1L; /* Increments on each reload */ ulong query_id=1L,long_query_count,long_query_time,aborted_threads, aborted_connects,delayed_insert_timeout,delayed_insert_limit, delayed_queue_size,delayed_insert_threads,delayed_insert_writes, delayed_rows_in_use,delayed_insert_errors,flush_time; ulong specialflag=0,opened_tables=0,created_tmp_tables=0; ulong max_connections,max_insert_delayed_threads,max_used_connections, max_connect_errors; ulong thread_id=1L,current_pid; ulong slow_launch_threads = 0; char mysql_real_data_home[FN_REFLEN], mysql_data_home[2],language[LIBLEN],reg_ext[FN_EXTLEN], default_charset[LIBLEN],mysql_charsets_dir[FN_REFLEN], *charsets_list, blob_newline,f_fyllchar,max_sort_char,*mysqld_user,*mysqld_chroot, *opt_init_file; char server_version[50]=MYSQL_SERVER_VERSION; const char *first_keyword="first"; const char **errmesg; /* Error messages */ byte last_ref[MAX_REFLENGTH]; /* Index ref of keys */ my_string mysql_unix_port=NULL,mysql_tmpdir=NULL; ulong my_bind_addr; /* the address we bind to */ DATE_FORMAT dayord; double log_10[32]; /* 10 potences */ I_List threads,thread_cache; time_t start_time; pthread_key(MEM_ROOT*,THR_MALLOC); pthread_key(THD*, THR_THD); pthread_key(NET*, THR_NET); pthread_mutex_t LOCK_mysql_create_db, LOCK_Acl, LOCK_open, LOCK_thread_count, LOCK_mapped_file, LOCK_status, LOCK_grant, LOCK_error_log, LOCK_delayed_insert, LOCK_delayed_status, LOCK_delayed_create, LOCK_flush, LOCK_crypt, LOCK_bytes_sent, LOCK_bytes_received, LOCK_binlog_update, LOCK_slave; pthread_cond_t COND_refresh,COND_thread_count,COND_flush, COND_binlog_update, COND_slave_stopped; pthread_cond_t COND_thread_cache,COND_flush_thread_cache; pthread_t signal_thread; pthread_attr_t connection_attrib; enum db_type default_table_type=DB_TYPE_MYISAM; #ifdef __WIN__ #undef getpid #include HANDLE hEventShutdown; #include "nt_servc.h" static NTService Service; // Service object for WinNT #endif static void *signal_hand(void *arg); static void set_options(void); static void get_options(int argc,char **argv); static char *get_relative_path(const char *path); static void fix_paths(void); static pthread_handler_decl(handle_connections_sockets,arg); static int bootstrap(FILE *file); static bool read_init_file(char *file_name); #ifdef __NT__ static pthread_handler_decl(handle_connections_namedpipes,arg); #endif #ifdef __WIN__ static int get_service_parameters(); #endif static pthread_handler_decl(handle_flush,arg); extern pthread_handler_decl(handle_slave,arg); #ifdef SET_RLIMIT_NOFILE static uint set_maximum_open_files(uint max_file_limit); #endif /**************************************************************************** ** Code to end mysqld ****************************************************************************/ static void close_connections(void) { #ifdef EXTRA_DEBUG int count=0; #endif NET net; DBUG_ENTER("close_connections"); /* Clear thread cache */ kill_cached_threads++; flush_thread_cache(); /* kill flush thread */ (void) pthread_mutex_lock(&LOCK_flush); if (flush_thread_in_use) { DBUG_PRINT("quit",("killing flush thread: %lx",flush_thread)); (void) pthread_cond_signal(&COND_flush); } (void) pthread_mutex_unlock(&LOCK_flush); /* kill connection thread */ #if !defined(__WIN__) && !defined(__EMX__) DBUG_PRINT("quit",("waiting for select thread: %lx",select_thread)); (void) pthread_mutex_lock(&LOCK_thread_count); while (select_thread_in_use) { struct timespec abstime; int error; LINT_INIT(error); #ifndef DONT_USE_THR_ALARM if (pthread_kill(select_thread,THR_CLIENT_ALARM)) break; // allready dead #endif #ifdef HAVE_TIMESPEC_TS_SEC abstime.ts_sec=time(NULL)+2; // Bsd 2.1 abstime.ts_nsec=0; #else struct timeval tv; gettimeofday(&tv,0); abstime.tv_sec=tv.tv_sec+2; abstime.tv_nsec=tv.tv_usec*1000; #endif for (uint tmp=0 ; tmp < 10 ; tmp++) { error=pthread_cond_timedwait(&COND_thread_count,&LOCK_thread_count, &abstime); if (error != EINTR) break; } #ifdef EXTRA_DEBUG if (error != 0 && !count++) sql_print_error("Got error %d from pthread_cond_timedwait",error); #endif #if defined(AIX_3_2) || defined(HAVE_DEC_3_2_THREADS) if (ip_sock != INVALID_SOCKET) { VOID(shutdown(ip_sock,2)); VOID(closesocket(ip_sock)); VOID(shutdown(unix_sock,2)); VOID(closesocket(unix_sock)); VOID(unlink(mysql_unix_port)); ip_sock=unix_sock= INVALID_SOCKET; } #endif } (void) pthread_mutex_unlock(&LOCK_thread_count); #endif /* __WIN__ */ /* Abort listening to new connections */ DBUG_PRINT("quit",("Closing sockets")); if ( !opt_disable_networking ) { if (ip_sock != INVALID_SOCKET) { (void) shutdown(ip_sock,2); (void) closesocket(ip_sock); ip_sock= INVALID_SOCKET; } } #ifdef __NT__ if ( hPipe != INVALID_HANDLE_VALUE ) { HANDLE hTempPipe = hPipe; DBUG_PRINT( "quit", ("Closing named pipes") ); hPipe = INVALID_HANDLE_VALUE; CancelIo( hTempPipe ); DisconnectNamedPipe( hTempPipe ); CloseHandle( hTempPipe ); } #endif #ifdef HAVE_SYS_UN_H if (unix_sock != INVALID_SOCKET) { (void) shutdown(unix_sock,2); (void) closesocket(unix_sock); (void) unlink(mysql_unix_port); unix_sock= INVALID_SOCKET; } #endif end_thr_alarm(); // Don't allow alarms /* First signal all threads that it's time to die */ THD *tmp; (void) pthread_mutex_lock(&LOCK_thread_count); // For unlink from list I_List_iterator it(threads); while ((tmp=it++)) { DBUG_PRINT("quit",("Informing thread %ld that it's time to die", tmp->thread_id)); tmp->killed=1; if (tmp->mysys_var) { tmp->mysys_var->abort=1; if (tmp->mysys_var->current_mutex) { pthread_mutex_lock(tmp->mysys_var->current_mutex); pthread_cond_broadcast(tmp->mysys_var->current_cond); pthread_mutex_unlock(tmp->mysys_var->current_mutex); } } } (void) pthread_mutex_unlock(&LOCK_thread_count); // For unlink from list if (thread_count) { sleep(1); // Give threads time to die } /* Force remaining threads to die by closing the connection to the client */ (void) my_net_init(&net, (Vio*) 0); for (;;) { DBUG_PRINT("quit",("Locking LOCK_thread_count")); (void) pthread_mutex_lock(&LOCK_thread_count); // For unlink from list if (!(tmp=threads.get())) { DBUG_PRINT("quit",("Unlocking LOCK_thread_count")); (void) pthread_mutex_unlock(&LOCK_thread_count); break; } #ifndef __bsdi__ // Bug in BSDI kernel if ((net.vio=tmp->net.vio) != 0) { sql_print_error(ER(ER_FORCING_CLOSE),my_progname, tmp->thread_id,tmp->user ? tmp->user : ""); close_connection(&net,0,0); } #endif DBUG_PRINT("quit",("Unlocking LOCK_thread_count")); (void) pthread_mutex_unlock(&LOCK_thread_count); } net_end(&net); /* All threads has now been aborted */ DBUG_PRINT("quit",("Waiting for threads to die (count=%u)",thread_count)); (void) pthread_mutex_lock(&LOCK_thread_count); while (thread_count) { (void) pthread_cond_wait(&COND_thread_count,&LOCK_thread_count); DBUG_PRINT("quit",("One thread died (count=%u)",thread_count)); } (void) pthread_mutex_unlock(&LOCK_thread_count); mysql_log.close(); mysql_update_log.close(); mysql_bin_log.close(); my_free(charsets_list, MYF(0)); DBUG_PRINT("quit",("close_connections thread")); DBUG_VOID_RETURN; } void kill_mysql(void) { DBUG_ENTER("kill_mysql"); #if defined(__WIN__) { if (!SetEvent(hEventShutdown)) { DBUG_PRINT("error",("Got error: %ld from SetEvent",GetLastError())); } // or: // HANDLE hEvent=OpenEvent(0, FALSE, "MySqlShutdown"); // SetEvent(hEventShutdown); // CloseHandle(hEvent); } #elif defined(HAVE_PTHREAD_KILL) if (pthread_kill(signal_thread,SIGTERM)) /* End everything nicely */ { DBUG_PRINT("error",("Got error %d from pthread_kill",errno)); /* purecov: inspected */ } #else kill(current_pid,SIGTERM); #endif DBUG_PRINT("quit",("After pthread_kill")); shutdown_in_progress=1; // Safety if kill didn't work DBUG_VOID_RETURN; } /* Force server down. kill all connections and threads and exit */ #ifndef __WIN__ static void *kill_server(void *sig_ptr) #define RETURN_FROM_KILL_SERVER return 0 #else static void __cdecl kill_server(int sig_ptr) #define RETURN_FROM_KILL_SERVER return #endif { int sig=(int) (long) sig_ptr; // This is passed a int DBUG_ENTER("kill_server"); // if there is a signal during the kill in progress, we do not need // another one if (kill_in_progress) // Safety RETURN_FROM_KILL_SERVER; kill_in_progress=TRUE; abort_loop=1; // This should be set signal(sig,SIG_IGN); if (sig == MYSQL_KILL_SIGNAL || sig == 0) sql_print_error(ER(ER_NORMAL_SHUTDOWN),my_progname); else sql_print_error(ER(ER_GOT_SIGNAL),my_progname,sig); /* purecov: inspected */ #if defined(USE_ONE_SIGNAL_HAND) && !defined(__WIN__) my_thread_init(); // If this is a new thread #endif close_connections(); sql_print_error(ER(ER_SHUTDOWN_COMPLETE),my_progname); if (sig != MYSQL_KILL_SIGNAL && sig != 0) unireg_abort(1); /* purecov: inspected */ else unireg_end(0); pthread_exit(0); /* purecov: deadcode */ RETURN_FROM_KILL_SERVER; } #ifdef USE_ONE_SIGNAL_HAND pthread_handler_decl(kill_server_thread,arg __attribute__((unused))) { my_thread_init(); // Initialize new thread kill_server(0); my_thread_end(); // Normally never reached return 0; } #endif static sig_handler print_signal_warning(int sig) { sql_print_error("Warning: Got signal %d from thread %d", sig,my_thread_id()); #ifdef DONT_REMEMBER_SIGNAL sigset(sig,print_signal_warning); /* int. thread system calls */ #endif #ifndef __WIN__ if (sig == SIGALRM) alarm(2); /* reschedule alarm */ #endif } void unireg_end(int signal_number __attribute__((unused))) { clean_up(); pthread_exit(0); // Exit is in main thread } void unireg_abort(int exit_code) { if (exit_code) sql_print_error("Aborting\n"); (void) my_delete(pidfile_name,MYF(0)); // This may not always exist clean_up(); /* purecov: inspected */ exit(exit_code); /* purecov: inspected */ } void clean_up(void) { DBUG_PRINT("exit",("clean_up")); if (cleanup_done++) return; /* purecov: inspected */ acl_free(1); grant_free(); sql_cache_free(); table_cache_free(); hostname_cache_free(); item_user_lock_free(); lex_free(); /* Free some memory */ #ifdef HAVE_DLOPEN if (!opt_noacl) udf_free(); #endif end_key_cache(); /* This is usually freed automaticly */ (void) ha_panic(HA_PANIC_CLOSE); /* close all tables */ #ifdef USE_RAID end_raid(); #endif x_free((gptr) errmsg[ERRMAPP]); /* Free messages */ free_defaults(defaults_argv); my_free(mysql_tmpdir,MYF(0)); my_end(opt_endinfo ? MY_CHECK_ERROR | MY_GIVE_INFO : 0); /* Tell main we are ready */ (void) pthread_mutex_lock(&LOCK_thread_count); ready_to_exit=1; (void) pthread_cond_broadcast(&COND_thread_count); (void) pthread_mutex_unlock(&LOCK_thread_count); } /* clean_up */ /**************************************************************************** ** Init IP and UNIX socket ****************************************************************************/ static void set_ports() { char *env; if (!mysql_port) { // Get port if not from commandline struct servent *serv_ptr; mysql_port = MYSQL_PORT; if ((serv_ptr = getservbyname("mysql", "tcp"))) mysql_port = ntohs((u_short) serv_ptr->s_port); /* purecov: inspected */ if ((env = getenv("MYSQL_TCP_PORT"))) mysql_port = (uint) atoi(env); /* purecov: inspected */ } if (!mysql_unix_port) { #ifdef __WIN__ mysql_unix_port = (char*) MYSQL_NAMEDPIPE; #else mysql_unix_port = (char*) MYSQL_UNIX_ADDR; #endif if ((env = getenv("MYSQL_UNIX_PORT"))) mysql_unix_port = env; /* purecov: inspected */ } } /* Change to run as another user if started with --user */ static void set_user(const char *user) { #ifndef __WIN__ struct passwd *ent; // don't bother if we aren't superuser if (geteuid()) { if (user) fprintf(stderr, "Warning: One can only use the --user switch if running as root\n"); return; } else if (!user) { if (!opt_bootstrap) { fprintf(stderr,"Fatal error: Please read \"Security\" section of the manual to find out how to run mysqld as root!\n"); unireg_abort(1); } return; } if (!strcmp(user,"root")) return; // Avoid problem with dynamic libraries if (!(ent = getpwnam(user))) { fprintf(stderr,"Fatal error: Can't change to run as user '%s' ; Please check that the user exists!\n",user); unireg_abort(1); } #ifdef HAVE_INITGROUPS initgroups(user,ent->pw_gid); #endif if (setgid(ent->pw_gid) == -1) { sql_perror("setgid"); unireg_abort(1); } if (setuid(ent->pw_uid) == -1) { sql_perror("setuid"); unireg_abort(1); } #endif } /* Change root user if started with --chroot */ static void set_root(const char *path) { #if !defined(__WIN__) && !defined(__EMX__) if (chroot(path) == -1) { sql_perror("chroot"); unireg_abort(1); } #endif } static void server_init(void) { struct sockaddr_in IPaddr; #ifdef HAVE_SYS_UN_H struct sockaddr_un UNIXaddr; #endif int arg=1; DBUG_ENTER("server_init"); #ifdef __WIN__ if ( !opt_disable_networking ) { WSADATA WsaData; if (SOCKET_ERROR == WSAStartup (0x0101, &WsaData)) { my_message(0,"WSAStartup Failed\n",MYF(0)); unireg_abort(1); } } #endif /* __WIN__ */ set_ports(); if (mysql_port != 0 && !opt_disable_networking && !opt_bootstrap) { DBUG_PRINT("general",("IP Socket is %d",mysql_port)); ip_sock = socket(AF_INET, SOCK_STREAM, 0); if (ip_sock == INVALID_SOCKET) { DBUG_PRINT("error",("Got error: %d from socket()",socket_errno)); sql_perror(ER(ER_IPSOCK_ERROR)); /* purecov: tested */ unireg_abort(1); /* purecov: tested */ } bzero((char*) &IPaddr, sizeof(IPaddr)); IPaddr.sin_family = AF_INET; IPaddr.sin_addr.s_addr = my_bind_addr; IPaddr.sin_port = (unsigned short) htons((unsigned short) mysql_port); (void) setsockopt(ip_sock,SOL_SOCKET,SO_REUSEADDR,(char*)&arg,sizeof(arg)); for(;;) { if (bind(ip_sock, my_reinterpret_cast(struct sockaddr *) (&IPaddr), sizeof(IPaddr)) >= 0) break; DBUG_PRINT("error",("Got error: %d from bind",socket_errno)); sql_perror("Can't start server: Bind on TCP/IP port");/* Had a loop here */ sql_print_error("Do you already have another mysqld server running on port: %d ?",mysql_port); unireg_abort(1); } (void) listen(ip_sock,(int) back_log); } if (mysqld_chroot) set_root(mysqld_chroot); set_user(mysqld_user); // set_user now takes care of mysqld_user==NULL #ifdef __NT__ /* create named pipe */ if (Service.IsNT() && mysql_unix_port[0] && !opt_bootstrap) { sprintf( szPipeName, "\\\\.\\pipe\\%s", mysql_unix_port ); ZeroMemory( &saPipeSecurity, sizeof(saPipeSecurity) ); ZeroMemory( &sdPipeDescriptor, sizeof(sdPipeDescriptor) ); if ( !InitializeSecurityDescriptor(&sdPipeDescriptor, SECURITY_DESCRIPTOR_REVISION) ) { sql_perror("Can't start server : Initialize security descriptor"); unireg_abort(1); } if (!SetSecurityDescriptorDacl(&sdPipeDescriptor, TRUE, NULL, FALSE)) { sql_perror("Can't start server : Set security descriptor"); unireg_abort(1); } saPipeSecurity.nLength = sizeof( SECURITY_ATTRIBUTES ); saPipeSecurity.lpSecurityDescriptor = &sdPipeDescriptor; saPipeSecurity.bInheritHandle = FALSE; if ((hPipe = CreateNamedPipe(szPipeName, PIPE_ACCESS_DUPLEX, PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | PIPE_WAIT, PIPE_UNLIMITED_INSTANCES, (int) net_buffer_length, (int) net_buffer_length, NMPWAIT_USE_DEFAULT_WAIT, &saPipeSecurity )) == INVALID_HANDLE_VALUE) { LPVOID lpMsgBuf; int error=GetLastError(); FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM, NULL, error, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR) &lpMsgBuf, 0, NULL ); MessageBox( NULL, (LPTSTR) lpMsgBuf, "Error from CreateNamedPipe", MB_OK|MB_ICONINFORMATION ); LocalFree( lpMsgBuf ); unireg_abort(1); } } #endif #if defined(HAVE_SYS_UN_H) && !defined(HAVE_mit_thread) /* ** Create the UNIX socket */ if (mysql_unix_port[0] && !opt_bootstrap) { DBUG_PRINT("general",("UNIX Socket is %s",mysql_unix_port)); if ((unix_sock = socket(AF_UNIX, SOCK_STREAM, 0)) < 0) { sql_perror("Can't start server : UNIX Socket "); /* purecov: inspected */ unireg_abort(1); /* purecov: inspected */ } bzero((char*) &UNIXaddr, sizeof(UNIXaddr)); UNIXaddr.sun_family = AF_UNIX; strmov(UNIXaddr.sun_path, mysql_unix_port); (void) unlink(mysql_unix_port); (void) setsockopt(unix_sock,SOL_SOCKET,SO_REUSEADDR,(char*)&arg, sizeof(arg)); umask(0); if (bind(unix_sock, my_reinterpret_cast(struct sockaddr *) (&UNIXaddr), sizeof(UNIXaddr)) < 0) { sql_perror("Can't start server : Bind on unix socket"); /* purecov: tested */ sql_print_error("Do you already have another mysqld server running on socket: %s ?",mysql_unix_port); unireg_abort(1); /* purecov: tested */ } umask(((~my_umask) & 0666)); #if defined(S_IFSOCK) && defined(SECURE_SOCKETS) (void) chmod(mysql_unix_port,S_IFSOCK); /* Fix solaris 2.6 bug */ #endif (void) listen(unix_sock,(int) back_log); } #endif DBUG_PRINT("info",("server started")); DBUG_VOID_RETURN; } void yyerror(const char *s) { NET *net=my_pthread_getspecific_ptr(NET*,THR_NET); char *yytext=(char*) current_lex->tok_start; if (!strcmp(s,"parse error")) s=ER(ER_SYNTAX_ERROR); net_printf(net,ER_PARSE_ERROR, s, yytext ? (char*) yytext : "", current_lex->yylineno); } void close_connection(NET *net,uint errcode,bool lock) { Vio* vio; DBUG_ENTER("close_connection"); DBUG_PRINT("enter",("fd: %s error: '%s'", net->vio? vio_description(net->vio):"(not connected)", errcode ? ER(errcode) : "")); if (lock) (void) pthread_mutex_lock(&LOCK_thread_count); if ((vio=net->vio) != 0) { if (errcode) send_error(net,errcode,ER(errcode)); /* purecov: inspected */ vio_close(vio); /* vio is freed in delete thd */ } if (lock) (void) pthread_mutex_unlock(&LOCK_thread_count); DBUG_VOID_RETURN; } /* Called when a thread is aborted */ /* ARGSUSED */ sig_handler end_thread_signal(int sig __attribute__((unused))) { THD *thd=current_thd; DBUG_ENTER("end_thread_signal"); if (thd) end_thread(thd,0); DBUG_VOID_RETURN; /* purecov: deadcode */ } void end_thread(THD *thd, bool put_in_cache) { DBUG_ENTER("end_thread"); (void) pthread_mutex_lock(&LOCK_thread_count); thread_count--; delete thd; if (cached_thread_count < thread_cache_size && ! abort_loop && !kill_cached_threads) { /* Don't kill the thread, just put it in cache for reuse */ DBUG_PRINT("info", ("Adding thread to cache")) cached_thread_count++; while (!abort_loop && ! wake_thread && ! kill_cached_threads) (void) pthread_cond_wait(&COND_thread_cache, &LOCK_thread_count); cached_thread_count--; if (kill_cached_threads) pthread_cond_signal(&COND_flush_thread_cache); if (wake_thread) { wake_thread--; thd=thread_cache.get(); threads.append(thd); (void) thd->store_globals(); pthread_mutex_unlock(&LOCK_thread_count); DBUG_VOID_RETURN; } } DBUG_PRINT("info", ("sending a broadcast")) /* Tell main we are ready */ (void) pthread_cond_broadcast(&COND_thread_count); (void) pthread_mutex_unlock(&LOCK_thread_count); DBUG_PRINT("info", ("unlocked thread_count mutex")) #ifndef DBUG_OFF if (!(test_flags & TEST_NO_THREADS)) // For debugging under Linux #endif { my_thread_end(); pthread_exit(0); } DBUG_VOID_RETURN; } /* Start a cached thread. LOCK_thread_count is locked on entry */ static void start_cached_thread(THD *thd) { thread_cache.append(thd); wake_thread++; thread_count++; pthread_cond_signal(&COND_thread_cache); } void flush_thread_cache() { (void) pthread_mutex_lock(&LOCK_thread_count); kill_cached_threads++; while (cached_thread_count) { pthread_cond_broadcast(&COND_thread_cache); pthread_cond_wait(&COND_flush_thread_cache,&LOCK_thread_count); } kill_cached_threads--; (void) pthread_mutex_unlock(&LOCK_thread_count); } /* ** Aborts a thread nicely. Commes here on SIGPIPE ** TODO: One should have to fix that thr_alarm know about this ** thread too */ #ifdef THREAD_SPECIFIC_SIGPIPE static sig_handler abort_thread(int sig __attribute__((unused))) { THD *thd=current_thd; DBUG_ENTER("abort_thread"); if (thd) thd->killed=1; DBUG_VOID_RETURN; } #endif /****************************************************************************** ** Setup a signal thread with handles all signals ** Because linux doesn't support scemas use a mutex to check that ** the signal thread is ready before continuing ******************************************************************************/ #ifdef __WIN__ static void init_signals(void) { int signals[] = {SIGINT,SIGILL,SIGFPE,SIGSEGV,SIGTERM,SIGABRT } ; for (uint i=0 ; i < sizeof(signals)/sizeof(int) ; i++) signal( signals[i], kill_server) ; signal(SIGBREAK,SIG_IGN); //ignore SIGBREAK for NT } #elif defined(__EMX__) static void sig_reload(int signo) { reload_acl_and_cache(~0); // Flush everything signal(signo, SIG_ACK); } static void sig_kill(int signo) { if (!abort_loop) { abort_loop=1; // mark abort for threads kill_server((void*) signo); } signal(signo, SIG_ACK); } static void init_signals(void) { signal(SIGQUIT, sig_kill); signal(SIGKILL, sig_kill); signal(SIGTERM, sig_kill); signal(SIGINT, sig_kill); signal(SIGHUP, sig_reload); // Flush everything signal(SIGALRM, SIG_IGN); signal(SIGBREAK,SIG_IGN); signal_thread = pthread_self(); } #else static void init_signals(void) { sigset_t set; pthread_attr_t thr_attr; int error; DBUG_ENTER("init_signals"); sigset(THR_KILL_SIGNAL,end_thread_signal); sigset(THR_SERVER_ALARM,print_signal_warning); // Should never be called! (void) sigemptyset(&set); #ifdef THREAD_SPECIFIC_SIGPIPE sigset(SIGPIPE,abort_thread); sigaddset(&set,SIGPIPE); #else (void) signal(SIGPIPE,SIG_IGN); // Can't know which thread sigaddset(&set,SIGPIPE); #endif sigaddset(&set,SIGINT); sigaddset(&set,SIGQUIT); sigaddset(&set,SIGTERM); sigaddset(&set,SIGHUP); signal(SIGTERM,SIG_DFL); // If it's blocked by parent #ifdef SIGTSTP sigaddset(&set,SIGTSTP); #endif sigaddset(&set,THR_SERVER_ALARM); sigdelset(&set,THR_KILL_SIGNAL); // May be SIGINT sigdelset(&set,THR_CLIENT_ALARM); // For alarms (void) pthread_sigmask(SIG_SETMASK,&set,NULL); (void) pthread_attr_init(&thr_attr); #if !defined(HAVE_DEC_3_2_THREADS) pthread_attr_setscope(&thr_attr,PTHREAD_SCOPE_SYSTEM); (void) pthread_attr_setdetachstate(&thr_attr,PTHREAD_CREATE_DETACHED); if (!(opt_specialflag & SPECIAL_NO_PRIOR)) my_pthread_attr_setprio(&thr_attr,INTERRUPT_PRIOR); pthread_attr_setstacksize(&thr_attr,32768); #endif (void) pthread_mutex_lock(&LOCK_thread_count); if ((error=pthread_create(&signal_thread,&thr_attr,signal_hand,0))) { sql_print_error("Can't create interrupt-thread (error %d, errno: %d)", error,errno); exit(1); } (void) pthread_cond_wait(&COND_thread_count,&LOCK_thread_count); pthread_mutex_unlock(&LOCK_thread_count); (void) pthread_attr_destroy(&thr_attr); DBUG_VOID_RETURN; } /* ** This threads handles all signals and alarms */ /* ARGSUSED */ static void *signal_hand(void *arg __attribute__((unused))) { sigset_t set; int sig; my_thread_init(); // Init new thread DBUG_ENTER("signal_hand"); /* Setup alarm handler */ init_thr_alarm(max_connections+max_insert_delayed_threads); #if SIGINT != THR_KILL_SIGNAL (void) sigemptyset(&set); // Setup up SIGINT for debug (void) sigaddset(&set,SIGINT); // For debugging (void) pthread_sigmask(SIG_UNBLOCK,&set,NULL); #endif (void) sigemptyset(&set); // Setup up SIGINT for debug #ifdef USE_ONE_SIGNAL_HAND (void) sigaddset(&set,THR_SERVER_ALARM); // For alarms #endif (void) sigaddset(&set,SIGQUIT); (void) sigaddset(&set,SIGTERM); #if THR_CLIENT_ALARM != SIGHUP (void) sigaddset(&set,SIGHUP); #endif (void) sigaddset(&set,SIGTSTP); /* Save pid to this process (or thread on Linux) */ { FILE *pidFile; if ((pidFile = my_fopen(pidfile_name,O_WRONLY,MYF(MY_WME)))) { fprintf(pidFile,"%lu",(ulong) getpid()); (void) my_fclose(pidFile,MYF(0)); (void) chmod(pidfile_name,0644); } } (void) pthread_mutex_lock(&LOCK_thread_count); (void) pthread_cond_signal(&COND_thread_count); /* continue init_signals */ (void) pthread_mutex_unlock(&LOCK_thread_count); for (;;) { int error; // Used when debugging if (shutdown_in_progress && !abort_loop) { sig=SIGTERM; error=0; } else while ((error=my_sigwait(&set,&sig)) == EINTR) ; if (cleanup_done) pthread_exit(0); // Safety switch (sig) { case SIGTERM: case SIGQUIT: case SIGKILL: #ifdef EXTRA_DEBUG sql_print_error("Got signal %d to shutdown mysqld",sig); #endif DBUG_PRINT("info",("Got signal: %d abort_loop: %d",sig,abort_loop)); if (!abort_loop) { abort_loop=1; // mark abort for threads #ifdef USE_ONE_SIGNAL_HAND pthread_t tmp; if (!(opt_specialflag & SPECIAL_NO_PRIOR)) my_pthread_attr_setprio(&connection_attrib,INTERRUPT_PRIOR); if (pthread_create(&tmp,&connection_attrib, kill_server_thread, (void*) sig)) sql_print_error("Error: Can't create thread to kill server"); #else kill_server((void*) sig); // MIT THREAD has a alarm thread #endif } break; case SIGHUP: reload_acl_and_cache(~0); // Flush everything mysql_print_status((THD*) 0); // Send debug some info break; #ifdef USE_ONE_SIGNAL_HAND case THR_SERVER_ALARM: process_alarm(sig); // Trigger alarms. break; #endif default: #ifdef EXTRA_DEBUG sql_print_error("Warning: Got signal: %d, error: %d",sig,error); /* purecov: tested */ #endif break; /* purecov: tested */ } } return(0); /* purecov: deadcode */ } #endif /* __WIN__*/ /* ** All global error messages are sent here where the first one is stored for ** the client */ /* ARGSUSED */ static int my_message_sql(uint error, const char *str, myf MyFlags __attribute__((unused))) { NET *net; DBUG_ENTER("my_message_sql"); DBUG_PRINT("error",("Message: '%s'",str)); if ((net=my_pthread_getspecific_ptr(NET*,THR_NET))) { if (!net->last_error[0]) // Return only first message { strmake(net->last_error,str,sizeof(net->last_error)-1); net->last_errno=error ? error : ER_UNKNOWN_ERROR; } } else sql_print_error("%s: %s",my_progname,str); /* purecov: inspected */ DBUG_RETURN(0); } #ifdef __WIN__ #undef errno #undef EINTR #define errno WSAGetLastError() #define EINTR WSAEINTR struct utsname { char nodename[FN_REFLEN]; }; int uname(struct utsname *a) { return -1; } #endif #ifdef __WIN__ pthread_handler_decl(handle_shutdown,arg) { MSG msg; my_thread_init(); /* this call should create the message queue for this thread */ PeekMessage(&msg, NULL, 1, 65534,PM_NOREMOVE); if (WaitForSingleObject(hEventShutdown,INFINITE)==WAIT_OBJECT_0) kill_server(MYSQL_KILL_SIGNAL); return 0; } int __stdcall handle_kill(ulong ctrl_type) { if (ctrl_type == CTRL_CLOSE_EVENT || ctrl_type == CTRL_SHUTDOWN_EVENT) { kill_server(MYSQL_KILL_SIGNAL); return TRUE; } return FALSE; } #endif const char *load_default_groups[]= { "mysqld","server",0 }; #ifdef HAVE_LIBWRAP char *libwrapName=NULL; #endif static void open_log(MYSQL_LOG *log, const char *hostname, const char *opt_name, const char *extension, enum_log_type type) { char tmp[FN_REFLEN]; if (!opt_name || !opt_name[0]) { strnmov(tmp,hostname,FN_REFLEN-5); strmov(strcend(tmp,'.'),extension); opt_name=tmp; } log->open(opt_name,type); } #ifdef __WIN__ int win_main(int argc, char **argv) #else int main(int argc, char **argv) #endif { DEBUGGER_OFF; char hostname[FN_REFLEN]; my_umask=0660; // Default umask for new files my_umask_dir=0700; // Default umask for new directories MY_INIT(argv[0]); // init my_sys library & pthreads tzset(); // Set tzname start_time=time((time_t*) 0); #ifdef HAVE_TZNAME #if defined(HAVE_LOCALTIME_R) && defined(_REENTRANT) { struct tm tm_tmp; localtime_r(&start_time,&tm_tmp); strmov(time_zone,tzname[tm_tmp.tm_isdst == 1 ? 1 : 0]); } #else { struct tm *start_tm; start_tm=localtime(&start_time); strmov(time_zone=tzname[start_tm->tm_isdst == 1 ? 1 : 0]); } #endif #endif if (gethostname(hostname,sizeof(hostname)-4) < 0) strmov(hostname,"mysql"); strmov(pidfile_name,hostname); strmov(strcend(pidfile_name,'.'),".pid"); // Add extension #ifdef DEMO_VERSION strcat(server_version,"-demo"); #endif #ifdef SHAREWARE_VERSION strcat(server_version,"-shareware"); #endif #ifndef DBUG_OFF strcat(server_version,"-debug"); #endif #ifdef _CUSTOMSTARTUPCONFIG_ if (_cust_check_startup()) { /* _cust_check_startup will report startup failure error */ exit( 1 ); } #endif load_defaults("my",load_default_groups,&argc,&argv); defaults_argv=argv; mysql_tmpdir=getenv("TMPDIR"); /* Use this if possible */ #ifdef __WIN__ if (!mysql_tmpdir) mysql_tmpdir=getenv("TEMP"); if (!mysql_tmpdir) mysql_tmpdir=getenv("TMP"); #endif if (!mysql_tmpdir || !mysql_tmpdir[0]) mysql_tmpdir=(char*) P_tmpdir; /* purecov: inspected */ set_options(); #ifdef __WIN__ /* service parameters can be overwritten by options */ if (get_service_parameters()) { my_message( 0, "Can't read MySQL service parameters", MYF(0) ); exit( 1 ); } #endif get_options(argc,argv); if (opt_log || opt_update_log || opt_slow_log || opt_bin_log) strcat(server_version,"-log"); DBUG_PRINT("info",("%s Ver %s for %s on %s\n",my_progname, server_version, SYSTEM_TYPE,MACHINE_TYPE)); /* These must be set early */ (void) pthread_cond_init(&COND_thread_count,NULL); (void) pthread_mutex_init(&LOCK_mysql_create_db,NULL); (void) pthread_mutex_init(&LOCK_Acl,NULL); (void) pthread_mutex_init(&LOCK_grant,NULL); (void) pthread_mutex_init(&LOCK_open,NULL); (void) pthread_mutex_init(&LOCK_thread_count,NULL); (void) pthread_mutex_init(&LOCK_mapped_file,NULL); (void) pthread_mutex_init(&LOCK_status,NULL); (void) pthread_mutex_init(&LOCK_error_log,NULL); (void) pthread_mutex_init(&LOCK_delayed_insert,NULL); (void) pthread_mutex_init(&LOCK_delayed_status,NULL); (void) pthread_mutex_init(&LOCK_delayed_create,NULL); (void) pthread_cond_init(&COND_refresh,NULL); (void) pthread_cond_init(&COND_thread_cache,NULL); (void) pthread_cond_init(&COND_flush_thread_cache,NULL); (void) pthread_cond_init(&COND_flush,NULL); (void) pthread_mutex_init(&LOCK_flush,NULL); (void) pthread_mutex_init(&LOCK_crypt,NULL); (void) pthread_mutex_init(&LOCK_bytes_sent,NULL); (void) pthread_mutex_init(&LOCK_bytes_received,NULL); (void) pthread_mutex_init(&LOCK_timezone,NULL); (void) pthread_mutex_init(&LOCK_binlog_update, NULL); (void) pthread_mutex_init(&LOCK_slave, NULL); (void) pthread_cond_init(&COND_binlog_update, NULL); (void) pthread_cond_init(&COND_slave_stopped, NULL); if (set_default_charset_by_name(default_charset, MYF(MY_WME))) unireg_abort(1); charsets_list = list_charsets(MYF(MY_COMPILED_SETS|MY_CONFIG_SETS)); #ifdef HAVE_OPENSSL if (opt_use_ssl) { ssl_acceptor_fd = VioSSLAcceptorFd_new(opt_ssl_key, opt_ssl_cert, opt_ssl_ca, opt_ssl_capath); if (!ssl_acceptor_fd) opt_use_ssl=0; /* having ssl_acceptor_fd!=0 signals the use of SSL */ } #endif /* HAVE_OPENSSL */ #ifdef HAVE_LIBWRAP libwrapName= my_progname+dirname_length(my_progname); openlog(libwrapName, LOG_PID, LOG_AUTH); #endif if (!(opt_specialflag & SPECIAL_NO_PRIOR)) my_pthread_setprio(pthread_self(),CONNECT_PRIOR); /* Parameter for threads created for connections */ (void) pthread_attr_init(&connection_attrib); (void) pthread_attr_setdetachstate(&connection_attrib, PTHREAD_CREATE_DETACHED); pthread_attr_setstacksize(&connection_attrib,thread_stack); if (!(opt_specialflag & SPECIAL_NO_PRIOR)) my_pthread_attr_setprio(&connection_attrib,WAIT_PRIOR); pthread_attr_setscope(&connection_attrib, PTHREAD_SCOPE_SYSTEM); #ifdef SET_RLIMIT_NOFILE /* connections and databases neads lots of files */ { uint wanted_files=10+(uint) max(max_connections*5, max_connections+table_cache_size*2); uint files=set_maximum_open_files(wanted_files); if (files && files < wanted_files) // Some systems return 0 { max_connections= (ulong) (files-10)/5; table_cache_size= (ulong) (files-10-max_connections)/2; DBUG_PRINT("warning", ("Changed limits: max_connections: %ld table_cache: %ld", max_connections,table_cache_size)); sql_print_error("Warning: Changed limits: max_connections: %ld table_cache: %ld",max_connections,table_cache_size); } } #endif unireg_init(opt_specialflag); /* Set up extern variabels */ init_errmessage(); /* Read error messages from file */ lex_init(); item_init(); mysys_uses_curses=0; #ifdef USE_REGEX regex_init(); #endif select_thread=pthread_self(); select_thread_in_use=1; /* ** We have enough space for fiddling with the argv, continue */ umask(((~my_umask) & 0666)); if (my_setwd(mysql_real_data_home,MYF(MY_WME))) { unireg_abort(1); /* purecov: inspected */ } mysql_data_home[0]=FN_CURLIB; // all paths are relative from here mysql_data_home[1]=0; server_init(); table_cache_init(); hostname_cache_init(); sql_cache_init(); randominit(&sql_rand,(ulong) start_time,(ulong) start_time/2); reset_floating_point_exceptions(); init_thr_lock(); /* Setup log files */ if (opt_log) open_log(&mysql_log, hostname, opt_logname, ".log", LOG_NORMAL); if (opt_update_log) open_log(&mysql_update_log, hostname, opt_update_logname, "", LOG_NEW); if (opt_bin_log) { mysql_bin_log.set_index_file_name(opt_binlog_index_name); open_log(&mysql_bin_log, hostname, opt_bin_logname, "-bin", LOG_BIN); } if (opt_slow_log) open_log(&mysql_slow_log, hostname, opt_slow_logname, "-slow.log", LOG_NORMAL); if (ha_init()) { sql_print_error("Can't init databases"); exit(1); } ft_init_stopwords(NULL); /* SerG */ #ifdef __WIN__ #define MYSQL_ERR_FILE "mysql.err" if (!opt_console) { freopen(MYSQL_ERR_FILE,"a+",stdout); freopen(MYSQL_ERR_FILE,"a+",stderr); FreeConsole(); // Remove window } #endif /* init signals & alarm After this we can't quit by a simple unireg_abort */ error_handler_hook = my_message_sql; if (pthread_key_create(&THR_THD,NULL) || pthread_key_create(&THR_NET,NULL) || pthread_key_create(&THR_MALLOC,NULL)) { sql_print_error("Can't create thread-keys"); exit(1); } init_signals(); // Creates pidfile if (acl_init(opt_noacl)) { select_thread_in_use=0; (void) pthread_kill(signal_thread,MYSQL_KILL_SIGNAL); (void) my_delete(pidfile_name,MYF(MY_WME)); // Not neaded anymore exit(1); } if (!opt_noacl) (void) grant_init(); #ifdef HAVE_DLOPEN if (!opt_noacl) udf_init(); #endif if (opt_bootstrap) { int error=bootstrap(stdin); end_thr_alarm(); // Don't allow alarms unireg_abort(error ? 1 : 0); } if (opt_init_file) { if (read_init_file(opt_init_file)) { end_thr_alarm(); // Don't allow alarms unireg_abort(1); } } (void) thr_setconcurrency(concurrency); // 10 by default #ifdef __WIN__ //IRENA { hEventShutdown=CreateEvent(0, FALSE, FALSE, "MySqlShutdown"); pthread_t hThread; if (pthread_create(&hThread,&connection_attrib,handle_shutdown,0)) sql_print_error("Warning: Can't create thread to handle shutdown requests"); // On "Stop Service" we have to do regular shutdown Service.SetShutdownEvent(hEventShutdown); } #endif if (flush_time && flush_time != ~(ulong) 0L) { pthread_t hThread; if (pthread_create(&hThread,&connection_attrib,handle_flush,0)) sql_print_error("Warning: Can't create thread to handle flush"); } // slave thread if(master_host) { pthread_t hThread; if(pthread_create(&hThread, &connection_attrib, handle_slave, 0)) sql_print_error("Warning: Can't create thread to handle slave"); } printf(ER(ER_READY),my_progname,server_version,""); fflush(stdout); #ifdef __NT__ if (hPipe == INVALID_HANDLE_VALUE && !have_tcpip) { sql_print_error("TCP/IP must be installed on Win98 platforms"); } else { pthread_mutex_lock(&LOCK_thread_count); (void) pthread_cond_init(&COND_handler_count,NULL); { pthread_t hThread; handler_count=0; if ( hPipe != INVALID_HANDLE_VALUE ) { handler_count++; if (pthread_create(&hThread,&connection_attrib, handle_connections_namedpipes, 0)) { sql_print_error("Warning: Can't create thread to handle named pipes"); handler_count--; } } if (have_tcpip) { handler_count++; if (pthread_create(&hThread,&connection_attrib, handle_connections_sockets, 0)) { sql_print_error("Warning: Can't create thread to handle named pipes"); handler_count--; } } while (handler_count > 0) { pthread_cond_wait(&COND_handler_count,&LOCK_thread_count); } } pthread_mutex_unlock(&LOCK_thread_count); } #else handle_connections_sockets(0); #ifdef EXTRA_DEBUG sql_print_error("Exiting main thread"); #endif #endif /* __NT__ */ /* (void) pthread_attr_destroy(&connection_attrib); */ DBUG_PRINT("quit",("Exiting main thread")); #ifndef __WIN__ #ifdef EXTRA_DEBUG sql_print_error("Before Lock_thread_count"); #endif (void) pthread_mutex_lock(&LOCK_thread_count); select_thread_in_use=0; // For close_connections (void) pthread_cond_broadcast(&COND_thread_count); (void) pthread_mutex_unlock(&LOCK_thread_count); #ifdef EXTRA_DEBUG sql_print_error("After lock_thread_count"); #endif #else // remove the event, because it will not be valid anymore Service.SetShutdownEvent(0); if(hEventShutdown) CloseHandle(hEventShutdown); // if it was started as service on NT try to stop the service if(Service.IsNT()) Service.Stop(); #endif /* Wait until cleanup is done */ (void) pthread_mutex_lock(&LOCK_thread_count); while (!ready_to_exit) { pthread_cond_wait(&COND_thread_count,&LOCK_thread_count); } (void) pthread_mutex_unlock(&LOCK_thread_count); (void) my_delete(pidfile_name,MYF(MY_WME)); // Not neaded anymore my_thread_end(); exit(0); return(0); /* purecov: deadcode */ } #ifdef __WIN__ /* ------------------------------------------------------------------------ main and thread entry function for Win32 (all this is needed only to run mysqld as a service on WinNT) -------------------------------------------------------------------------- */ int mysql_service(void *p) { win_main(Service.my_argc, Service.my_argv); return 0; } int main(int argc, char **argv) { // check environment variable OS if (Service.GetOS()) // "OS" defined; Should be NT { if (argc == 2) { if (!strcmp(argv[1],"-install") || !strcmp(argv[1],"--install")) { char path[FN_REFLEN]; my_path(path, argv[0], ""); // Find name in path fn_format(path,argv[0],path,"",1+4+16); // Force use of full path if (!Service.Install(MYSQL_SERVICENAME,MYSQL_SERVICENAME,path)) MessageBox(NULL,"Failed to install Service",MYSQL_SERVICENAME, MB_OK|MB_ICONSTOP); return 0; } else if (!strcmp(argv[1],"-remove") || !strcmp(argv[1],"--remove")) { Service.Remove(MYSQL_SERVICENAME); return 0; } } else if (argc == 1) // No arguments; start as a service { // init service long tmp=Service.Init(MYSQL_SERVICENAME,mysql_service); return 0; } } // This is a WIN95 machine or a start of mysqld as a standalone program // we have to pass the arguments, in case of NT-service this will be done // by ServiceMain() Service.my_argc=argc; Service.my_argv=argv; mysql_service(NULL); return 0; } /* ------------------------------------------------------------------------ */ #endif static int bootstrap(FILE *file) { THD *thd= new THD; int error; thd->bootstrap=1; thd->client_capabilities=0; my_net_init(&thd->net,(Vio*) 0); thd->max_packet_length=thd->net.max_packet; thd->master_access= ~0; thread_count++; thd->real_id=pthread_self(); error=handle_bootstrap(thd,file); net_end(&thd->net); delete thd; return error; } static bool read_init_file(char *file_name) { FILE *file; DBUG_ENTER("read_init_file"); DBUG_PRINT("enter",("name: %s",file_name)); if (!(file=my_fopen(file_name,O_RDONLY,MYF(MY_WME)))) return(1); bootstrap(file); /* Ignore errors from this */ (void) my_fclose(file,MYF(MY_WME)); return 0; } static void create_new_thread(THD *thd) { DBUG_ENTER("create_new_thread"); NET *net=&thd->net; // For easy ref net->timeout = (uint) connect_timeout; // Timeout for read if (protocol_version > 9) net->return_errno=1; /* don't allow too many connections */ if (thread_count - delayed_insert_threads >= max_connections+1 || abort_loop) { DBUG_PRINT("error",("too many connections")); close_connection(net,ER_CON_COUNT_ERROR); delete thd; DBUG_VOID_RETURN; } if (pthread_mutex_lock(&LOCK_thread_count)) { DBUG_PRINT("error",("Can't lock LOCK_thread_count")); close_connection(net,ER_OUT_OF_RESOURCES); delete thd; DBUG_VOID_RETURN; } if (thread_count-delayed_insert_threads > max_used_connections) max_used_connections=thread_count-delayed_insert_threads; thd->thread_id=thread_id++; for (uint i=0; i < 8 ; i++) // Generate password teststring thd->scramble[i]= (char) (rnd(&sql_rand)*94+33); thd->scramble[8]=0; thd->rand=sql_rand; thd->real_id=pthread_self(); // Keep purify happy /* Start a new thread to handle connection */ #ifndef DBUG_OFF if (test_flags & TEST_NO_THREADS) // For debugging under Linux { thread_cache_size=0; // Safety thread_count++; threads.append(thd); thd->real_id=pthread_self(); (void) pthread_mutex_unlock(&LOCK_thread_count); handle_one_connection((void*) thd); } else #endif { if (cached_thread_count > wake_thread) { start_cached_thread(thd); (void) pthread_mutex_unlock(&LOCK_thread_count); } else { int error; thread_count++; threads.append(thd); DBUG_PRINT("info",(("creating thread %d"), thd->thread_id)); thd->connect_time = time(NULL); (void) pthread_mutex_unlock(&LOCK_thread_count); if ((error=pthread_create(&thd->real_id,&connection_attrib, handle_one_connection, (void*) thd))) { DBUG_PRINT("error", ("Can't create thread to handle request (error %d)", error)); (void) pthread_mutex_lock(&LOCK_thread_count); thread_count--; thd->killed=1; // Safety (void) pthread_mutex_unlock(&LOCK_thread_count); net_printf(net,ER_CANT_CREATE_THREAD,error); (void) pthread_mutex_lock(&LOCK_thread_count); close_connection(net,0,0); delete thd; (void) pthread_mutex_unlock(&LOCK_thread_count); DBUG_VOID_RETURN; } } } DBUG_PRINT("info",(("Thread %d created"), thd->thread_id)); DBUG_VOID_RETURN; } /* Handle new connections and spawn new process to handle them */ pthread_handler_decl(handle_connections_sockets,arg __attribute__((unused))) { my_socket sock,new_sock; uint error_count=0; uint max_used_connection= (uint) (max(ip_sock,unix_sock)+1); fd_set readFDs,clientFDs; THD *thd; struct sockaddr_in cAddr; int ip_flags=0,socket_flags=0,flags; Vio *vio_tmp; #ifdef __WIN__ my_thread_init(); #endif DBUG_ENTER("handle_connections_sockets"); LINT_INIT(new_sock); (void) my_pthread_getprio(pthread_self()); // For debugging FD_ZERO(&clientFDs); if (ip_sock != INVALID_SOCKET) { FD_SET(ip_sock,&clientFDs); #ifdef HAVE_FCNTL ip_flags = fcntl(ip_sock, F_GETFL, 0); #endif } #ifdef HAVE_SYS_UN_H FD_SET(unix_sock,&clientFDs); socket_flags=fcntl(unix_sock, F_GETFL, 0); #endif DBUG_PRINT("general",("Waiting for connections.")); while (!abort_loop) { readFDs=clientFDs; #ifdef HPUX if (select(max_used_connection,(int*) &readFDs,0,0,0) < 0) continue; #else if (select((int) max_used_connection,&readFDs,0,0,0) < 0) { if (errno != EINTR) { if (!select_errors++ && !abort_loop) /* purecov: inspected */ sql_print_error("mysqld: Got error %d from select",errno); /* purecov: inspected */ } continue; } #endif /* HPUX */ if (abort_loop) break; /* ** Is this a new connection request */ #ifdef HAVE_SYS_UN_H if (FD_ISSET(unix_sock,&readFDs)) { sock = unix_sock; flags= socket_flags; } else #endif { sock = ip_sock; flags= ip_flags; } #if !defined(NO_FCNTL_NONBLOCK) if (!(test_flags & TEST_BLOCKING)) { #if defined(O_NONBLOCK) fcntl(sock, F_SETFL, flags | O_NONBLOCK); #elif defined(O_NDELAY) fcntl(sock, F_SETFL, flags | O_NDELAY); #endif } #endif /* NO_FCNTL_NONBLOCK */ for (uint retry=0; retry < MAX_ACCEPT_RETRY; retry++) { size_socket length=sizeof(struct sockaddr_in); new_sock = accept(sock, my_reinterpret_cast(struct sockaddr *) (&cAddr), &length); if (new_sock != INVALID_SOCKET || (errno != EINTR && errno != EAGAIN)) break; #if !defined(NO_FCNTL_NONBLOCK) if (!(test_flags & TEST_BLOCKING)) { if (retry == MAX_ACCEPT_RETRY - 1) fcntl(sock, F_SETFL, flags); // Try without O_NONBLOCK } #endif } #if !defined(NO_FCNTL_NONBLOCK) if (!(test_flags & TEST_BLOCKING)) fcntl(sock, F_SETFL, flags); #endif if (new_sock < 0) { if ((error_count++ & 255) == 0) // This can happen often sql_perror("Error in accept"); if (errno == ENFILE || errno == EMFILE) sleep(1); // Give other threads some time continue; } #ifdef HAVE_LIBWRAP { if (sock == ip_sock) { struct request_info req; signal(SIGCHLD, SIG_DFL); request_init(&req, RQ_DAEMON, libwrapName, RQ_FILE, new_sock, NULL); fromhost(&req); if (!hosts_access(&req)) { // This may be stupid but refuse() includes an exit(0) // which we surely don't want... // clean_exit() - same stupid thing ... syslog(deny_severity, "refused connect from %s", eval_client(&req)); if (req.sink) ((void (*)(int))req.sink)(req.fd); // C++ sucks (the gibberish in front just translates the supplied // sink function pointer in the req structure from a void (*sink)(); // to a void(*sink)(int) if you omit the cast, the C++ compiler // will cry... (void) shutdown(new_sock,2); // This looks fine to me... (void) closesocket(new_sock); continue; } } } #endif /* HAVE_LIBWRAP */ { size_socket dummyLen; struct sockaddr dummy; dummyLen = sizeof(struct sockaddr); if (getsockname(new_sock,&dummy, &dummyLen) < 0) { sql_perror("Error on new connection socket"); (void) shutdown(new_sock,2); (void) closesocket(new_sock); continue; } } /* ** Don't allow too many connections */ if (!(thd= new THD)) { (void) shutdown(new_sock,2); VOID(closesocket(new_sock)); continue; } if (!(vio_tmp=vio_new(new_sock, new_sock == unix_sock ? VIO_TYPE_SOCKET : VIO_TYPE_TCPIP, new_sock == unix_sock)) || my_net_init(&thd->net,vio_tmp)) { if (vio_tmp) vio_delete(vio_tmp); else { (void) shutdown(new_sock,2); (void) closesocket(new_sock); } delete thd; continue; } if (sock == unix_sock) { if (!(thd->host=my_strdup(LOCAL_HOST,MYF(0)))) { close_connection(&thd->net,ER_OUT_OF_RESOURCES); delete thd; continue; } } create_new_thread(thd); } #ifdef __NT__ pthread_mutex_lock(&LOCK_thread_count); handler_count--; pthread_cond_signal(&COND_handler_count); pthread_mutex_unlock(&LOCK_thread_count); #endif DBUG_RETURN(0); } #ifdef __NT__ pthread_handler_decl(handle_connections_namedpipes,arg) { HANDLE hConnectedPipe; BOOL fConnected; THD *thd; my_thread_init(); DBUG_ENTER("handle_connections_namedpipes"); (void) my_pthread_getprio(pthread_self()); // For debugging DBUG_PRINT("general",("Waiting for named pipe connections.")); while (!abort_loop) { /* wait for named pipe connection */ fConnected = ConnectNamedPipe( hPipe, NULL ); if (abort_loop) break; if ( !fConnected ) fConnected = GetLastError() == ERROR_PIPE_CONNECTED; if ( !fConnected ) { CloseHandle( hPipe ); if ((hPipe = CreateNamedPipe(szPipeName, PIPE_ACCESS_DUPLEX, PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | PIPE_WAIT, PIPE_UNLIMITED_INSTANCES, (int) net_buffer_length, (int) net_buffer_length, NMPWAIT_USE_DEFAULT_WAIT, &saPipeSecurity )) == INVALID_HANDLE_VALUE ) { sql_perror("Can't create new named pipe!"); break; // Abort } } hConnectedPipe = hPipe; /* create new pipe for new connection */ if ((hPipe = CreateNamedPipe(szPipeName, PIPE_ACCESS_DUPLEX, PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | PIPE_WAIT, PIPE_UNLIMITED_INSTANCES, (int) net_buffer_length, (int) net_buffer_length, NMPWAIT_USE_DEFAULT_WAIT, &saPipeSecurity)) == INVALID_HANDLE_VALUE) { sql_perror("Can't create new named pipe!"); hPipe=hConnectedPipe; continue; // We have to try again } if ( !(thd = new THD)) { DisconnectNamedPipe( hConnectedPipe ); CloseHandle( hConnectedPipe ); continue; } if (!(thd->net.vio = vio_new_win32pipe(hConnectedPipe)) || my_net_init(&thd->net, thd->net.vio)) { close_connection(&thd->net,ER_OUT_OF_RESOURCES); delete thd; continue; } /* host name is unknown */ thd->host = my_strdup("localhost",MYF(0)); /* Host is unknown */ create_new_thread(thd); } pthread_mutex_lock(&LOCK_thread_count); handler_count--; pthread_cond_signal(&COND_handler_count); pthread_mutex_unlock(&LOCK_thread_count); DBUG_RETURN(0); } #endif /* __NT__ */ /**************************************************************************** ** Create thread that automaticly flush all tables after a given time ****************************************************************************/ pthread_handler_decl(handle_flush,arg __attribute__((unused))) { my_thread_init(); DBUG_ENTER("handle_flush"); pthread_detach_this_thread(); flush_thread=pthread_self(); flush_thread_in_use=1; pthread_mutex_lock(&LOCK_flush); for (;;) { struct timespec abstime; #ifdef HAVE_TIMESPEC_TS_SEC abstime.ts_sec=time(NULL)+flush_time; // Bsd 2.1 abstime.ts_nsec=0; #else abstime.tv_sec=time(NULL)+flush_time; // Linux or Solairs abstime.tv_nsec=0; #endif (void) pthread_cond_timedwait(&COND_flush,&LOCK_flush, &abstime); if (abort_loop) break; flush_tables(); } flush_thread_in_use=0; pthread_mutex_unlock(&LOCK_flush); my_thread_end(); DBUG_RETURN(0); } /****************************************************************************** ** handle start options ******************************************************************************/ enum options {OPT_ISAM_LOG=256,OPT_SKIP_NEW,OPT_SKIP_GRANT, OPT_SKIP_LOCK,OPT_ENABLE_LOCK, OPT_USE_LOCKING,OPT_SOCKET,OPT_UPDATE_LOG, OPT_BIN_LOG, OPT_SKIP_RESOLVE,OPT_SKIP_NETWORKING, OPT_BIN_LOG_INDEX, OPT_BIND_ADDRESS,OPT_PID_FILE,OPT_SKIP_PRIOR,OPT_BIG_TABLES, OPT_STANDALONE,OPT_ONE_THREAD,OPT_CONSOLE, OPT_LOW_PRIORITY_UPDATES,OPT_SKIP_HOST_CACHE,OPT_LONG_FORMAT, OPT_FLUSH, OPT_SAFE, OPT_BOOTSTRAP, OPT_SKIP_SHOW_DB, OPT_TABLE_TYPE, OPT_INIT_FILE, OPT_DELAY_KEY_WRITE, OPT_SLOW_QUERY_LOG, OPT_SKIP_DELAY_KEY_WRITE, OPT_CHARSETS_DIR, OPT_BDB_HOME, OPT_BDB_LOG, OPT_BDB_TMP, OPT_BDB_NOSYNC, OPT_BDB_LOCK, OPT_BDB_SKIP, OPT_BDB_RECOVER, OPT_MASTER_HOST, OPT_MASTER_USER, OPT_MASTER_PASSWORD, OPT_MASTER_PORT, OPT_MASTER_INFO_FILE, OPT_MASTER_CONNECT_RETRY, OPT_SQL_BIN_UPDATE_SAME, OPT_REPLICATE_DO_DB, OPT_REPLICATE_IGNORE_DB, OPT_LOG_SLAVE_UPDATES, OPT_BINLOG_DO_DB, OPT_BINLOG_IGNORE_DB}; static struct option long_options[] = { {"ansi", no_argument,0, 'a'}, {"basedir", required_argument, 0, 'b'}, #ifdef HAVE_BERKELEY_DB {"bdb-home", required_argument, 0, OPT_BDB_HOME}, {"bdb-lock-detect", required_argument, 0, OPT_BDB_LOCK}, {"bdb-logdir", required_argument, 0, OPT_BDB_LOG}, {"bdb-recover", no_argument, 0, OPT_BDB_RECOVER}, {"bdb-no-sync", no_argument, 0, OPT_BDB_NOSYNC}, {"bdb-tmpdir", required_argument, 0, OPT_BDB_TMP}, #endif {"big-tables", no_argument,0,(int) OPT_BIG_TABLES}, {"binlog-do-db", required_argument, 0, OPT_BINLOG_DO_DB}, {"binlog-ignore-db", required_argument, 0, OPT_BINLOG_IGNORE_DB}, {"bind-address", required_argument, 0, OPT_BIND_ADDRESS}, {"bootstrap", no_argument,0,(int) OPT_BOOTSTRAP}, #ifdef __WIN__ {"console", no_argument, 0, OPT_CONSOLE}, #endif {"chroot", required_argument,0, 'r'}, {"character-sets-dir",required_argument,0, OPT_CHARSETS_DIR}, {"datadir", required_argument, 0, 'h'}, #ifndef DBUG_OFF {"debug", optional_argument, 0, '#'}, #endif {"default-character-set",required_argument,0,'C'}, {"default-table-type",required_argument,0,OPT_TABLE_TYPE}, {"delay-key-write-for-all-tables", no_argument, 0, (int) OPT_DELAY_KEY_WRITE}, {"enable-locking", no_argument, 0, (int) OPT_ENABLE_LOCK}, {"exit-info", optional_argument, 0, 'T'}, {"flush", no_argument, 0, OPT_FLUSH}, {"help", no_argument, 0, '?'}, {"init-file", required_argument, 0, (int) OPT_INIT_FILE}, {"log", optional_argument, 0, 'l'}, {"language", required_argument, 0, 'L'}, {"log-bin", optional_argument, 0, (int) OPT_BIN_LOG}, {"log-bin-index", optional_argument, 0, (int) OPT_BIN_LOG_INDEX}, {"log-isam", optional_argument, 0, (int) OPT_ISAM_LOG}, {"log-update", optional_argument, 0, (int) OPT_UPDATE_LOG}, {"log-slow-queries", optional_argument, 0, (int) OPT_SLOW_QUERY_LOG}, {"log-long-format", no_argument, 0, (int) OPT_LONG_FORMAT}, {"log-slave-updates", no_argument,0, (int) OPT_LOG_SLAVE_UPDATES}, {"low-priority-updates", no_argument, 0, (int) OPT_LOW_PRIORITY_UPDATES}, {"master-host", required_argument, 0, (int) OPT_MASTER_HOST}, {"master-user", required_argument, 0, (int) OPT_MASTER_USER}, {"master-password", required_argument, 0, (int) OPT_MASTER_PASSWORD}, {"master-port", required_argument, 0, (int) OPT_MASTER_PORT}, {"master-connect-retry", required_argument, 0, (int) OPT_MASTER_CONNECT_RETRY}, {"master-info-file", required_argument, 0, (int) OPT_MASTER_INFO_FILE}, {"new", no_argument, 0, 'n'}, {"old-protocol", no_argument, 0, 'o'}, {"one-thread", no_argument, 0, OPT_ONE_THREAD}, {"pid-file", required_argument, 0, (int) OPT_PID_FILE}, {"port", required_argument, 0, 'P'}, {"replicate-do-db", required_argument, 0, OPT_REPLICATE_DO_DB}, {"replicate-ignore-db", required_argument, 0, OPT_REPLICATE_IGNORE_DB}, {"safe-mode", no_argument, 0, (int) OPT_SAFE}, {"socket", required_argument, 0, (int) OPT_SOCKET}, {"set-variable", required_argument, 0, 'O'}, #ifdef HAVE_BERKELEY_DB {"skip-bdb", no_argument, 0, OPT_BDB_SKIP}, #endif {"skip-delay-key-write", no_argument, 0, (int) OPT_SKIP_DELAY_KEY_WRITE}, {"skip-grant-tables", no_argument,0, (int) OPT_SKIP_GRANT}, {"skip-locking", no_argument,0, (int) OPT_SKIP_LOCK}, {"skip-host-cache", no_argument,0, (int) OPT_SKIP_HOST_CACHE}, {"skip-name-resolve", no_argument,0, (int) OPT_SKIP_RESOLVE}, {"skip-new", no_argument,0, (int) OPT_SKIP_NEW}, {"skip-show-database",no_argument,0, (int) OPT_SKIP_SHOW_DB}, {"skip-networking", no_argument,0, (int) OPT_SKIP_NETWORKING}, {"skip-thread-priority", no_argument,0,(int) OPT_SKIP_PRIOR}, {"sql-bin-update-same", no_argument, 0, (int)OPT_SQL_BIN_UPDATE_SAME}, #include "sslopt-longopts.h" #ifdef __WIN__ {"standalone", no_argument,0, (int) OPT_STANDALONE}, #endif {"tmpdir", required_argument, 0, 't'}, {"use-locking", no_argument, 0,(int) OPT_USE_LOCKING}, #ifdef USE_SYMDIR {"use-symbolic-links",no_argument, 0, 's'}, #endif {"user", required_argument, 0, 'u'}, {"version", no_argument, 0, 'V'}, {0, 0, 0, 0} }; CHANGEABLE_VAR changeable_vars[] = { { "back_log", (long*) &back_log,50,1,65535,0,1}, #ifdef HAVE_BERKELEY_DB { "bdb_cache_size", (long*) &berkeley_cache_size, KEY_CACHE_SIZE, 20*1024, (long) ~0, 0, IO_SIZE}, #endif { "connect_timeout", (long*) &connect_timeout,CONNECT_TIMEOUT,1,65535,0,1}, { "delayed_insert_timeout",(long*) &delayed_insert_timeout, DELAYED_WAIT_TIMEOUT,1,~0L,0,1}, { "delayed_insert_limit",(long*) &delayed_insert_limit, DELAYED_LIMIT,1,~0L,0,1}, { "delayed_queue_size", (long*) &delayed_queue_size,DELAYED_QUEUE_SIZE,1, ~0L,0,1}, { "flush_time", (long*) &flush_time,FLUSH_TIME,0,~0L,0,1}, { "interactive_timeout", (long*) &net_interactive_timeout, NET_WAIT_TIMEOUT,1,31*24*60*60,0,1}, { "join_buffer_size", (long*) &join_buff_size,128*1024L, IO_SIZE*2+MALLOC_OVERHEAD,~0L,MALLOC_OVERHEAD,IO_SIZE }, { "key_buffer_size", (long*) &keybuff_size,KEY_CACHE_SIZE,MALLOC_OVERHEAD, (long) ~0, MALLOC_OVERHEAD, IO_SIZE }, { "long_query_time", (long*) &long_query_time,10,1,~0L,0,1}, { "lower_case_table_names", (long*) &lower_case_table_names,IF_WIN(1,0), 0,1,0,1}, { "max_allowed_packet",(long*) &max_allowed_packet,1024*1024L,80, 17*1024*1024L, MALLOC_OVERHEAD,1024}, { "max_connections", (long*) &max_connections,100,1,16384,0,1}, { "max_connect_errors", (long*) &max_connect_errors,MAX_CONNECT_ERRORS,1, ~0L,0,1}, { "max_delayed_threads", (long*) &max_insert_delayed_threads,20,1, 16384,0,1}, { "max_heap_table_size",(long*) &max_heap_table_size,16*1024*1024L,16384,~0L, MALLOC_OVERHEAD,1024}, { "max_join_size",(long*) &max_join_size,~0L,1,~0L,0,1}, { "max_sort_length",(long*) &max_item_sort_length,1024,4,8192*1024L,0,1}, { "max_tmp_tables",(long*) &max_tmp_tables,32,1,~0L,0,1}, { "max_write_lock_count",(long*) &max_write_lock_count,~0L,1,~0L,0,1}, { "myisam_sort_buffer_size", (long*) &myisam_sort_buffer_size,8192*1024,4, ~0L,0,1}, { "net_buffer_length",(long*) &net_buffer_length,16384,1024,1024*1024L, MALLOC_OVERHEAD,1024}, { "net_retry_count",(long*) &mysqld_net_retry_count,MYSQLD_NET_RETRY_COUNT, 1,~0L, 0,1}, { "net_read_timeout", (long*) &net_read_timeout, NET_READ_TIMEOUT,1,65535,0,1}, { "net_write_timeout", (long*) &net_write_timeout,NET_WRITE_TIMEOUT,1,65535,0,1}, { "query_buffer_size", (long*) &query_buff_size,0,MALLOC_OVERHEAD, (long) ~0, MALLOC_OVERHEAD, IO_SIZE }, { "record_buffer", (long*) &my_default_record_cache_size,128*1024L, IO_SIZE*2+MALLOC_OVERHEAD,~0L,MALLOC_OVERHEAD,IO_SIZE }, { "slow_launch_time", (long*) &slow_launch_time, 2L, 0L,~0L,0,1 }, { "sort_buffer", (long*) &sortbuff_size,MAX_SORT_MEMORY, MIN_SORT_MEMORY+MALLOC_OVERHEAD*2,~0L,MALLOC_OVERHEAD,1 }, { "table_cache", (long*) &table_cache_size,64,1,16384,0,1}, { "thread_concurrency", (long*) &concurrency,DEFAULT_CONCURRENCY,1,512,0,1}, { "thread_cache_size", (long*) &thread_cache_size, 0,1,16384,0,1}, { "tmp_table_size", (long*) &tmp_table_size,1024*1024L,1024,~0L, MALLOC_OVERHEAD,1}, { "thread_stack", (long*) &thread_stack,1024*64,1024*32,~0L,0,1024}, { "wait_timeout", (long*) &net_wait_timeout,NET_WAIT_TIMEOUT,1,~0L,0,1}, { NullS,(long*) 0,0,0,0,0,0,} }; struct show_var_st init_vars[]= { {"ansi_mode",(char*) &opt_ansi_mode ,SHOW_BOOL}, {"back_log", (char*) &back_log, SHOW_LONG}, {"basedir", mysql_home,SHOW_CHAR}, #ifdef HAVE_BERKELEY_DB {"bdb_cache_size", (char*) &berkeley_cache_size, SHOW_LONG}, {"bdb_home", (char*) &berkeley_home, SHOW_CHAR_PTR}, {"bdb_logdir", (char*) &berkeley_logdir, SHOW_CHAR_PTR}, {"bdb_tmpdir", (char*) &berkeley_tmpdir, SHOW_CHAR_PTR}, #endif {"character_set", default_charset, SHOW_CHAR}, {"character_sets", (char*) &charsets_list, SHOW_CHAR_PTR}, {"connect_timeout", (char*) &connect_timeout, SHOW_LONG}, {"concurrent_insert",(char*) &myisam_concurrent_insert, SHOW_MY_BOOL}, {"datadir", mysql_real_data_home,SHOW_CHAR}, {"delay_key_write",(char*) &myisam_delay_key_write, SHOW_MY_BOOL}, {"delayed_insert_limit",(char*) &delayed_insert_limit,SHOW_LONG}, {"delayed_insert_timeout",(char*) &delayed_insert_timeout,SHOW_LONG}, {"delayed_queue_size", (char*) &delayed_queue_size,SHOW_LONG}, {"join_buffer_size", (char*) &join_buff_size, SHOW_LONG}, {"flush", (char*) &myisam_flush, SHOW_MY_BOOL}, {"flush_time",(char*) &flush_time, SHOW_LONG}, {"init_file", (char*) &opt_init_file, SHOW_CHAR_PTR}, {"interactive_timeout", (char*) &net_interactive_timeout, SHOW_LONG}, {"key_buffer_size", (char*) &keybuff_size, SHOW_LONG}, {"language", language, SHOW_CHAR}, {"log", (char*) &opt_log, SHOW_BOOL}, {"log_update",(char*) &opt_update_log,SHOW_BOOL}, {"log_bin",(char*) &opt_bin_log,SHOW_BOOL}, {"log_slave_updates",(char*) &opt_log_slave_updates,SHOW_BOOL}, {"long_query_time", (char*) &long_query_time, SHOW_LONG}, {"low_priority_updates", (char*) &low_priority_updates, SHOW_BOOL}, {"lower_case_table_names", (char*) &lower_case_table_names, SHOW_LONG}, {"max_allowed_packet", (char*) &max_allowed_packet, SHOW_LONG}, {"max_connections", (char*) &max_connections, SHOW_LONG}, {"max_connect_errors", (char*) &max_connect_errors, SHOW_LONG}, {"max_delayed_threads", (char*) &max_insert_delayed_threads, SHOW_LONG}, {"max_heap_table_size", (char*) &max_heap_table_size,SHOW_LONG}, {"max_join_size", (char*) &max_join_size, SHOW_LONG}, {"max_sort_length", (char*) &max_item_sort_length,SHOW_LONG}, {"max_tmp_tables", (char*) &max_tmp_tables,SHOW_LONG}, {"max_write_lock_count",(char*) &max_write_lock_count,SHOW_LONG}, {"myisam_sort_buffer_size", (char*) &myisam_sort_buffer_size,SHOW_LONG}, {"net_buffer_length", (char*) &net_buffer_length, SHOW_LONG}, {"net_retry_count", (char*) &mysqld_net_retry_count, SHOW_LONG}, {"pid_file", (char*) pidfile_name, SHOW_CHAR}, {"port", (char*) &mysql_port, SHOW_INT}, {"protocol_version", (char*) &protocol_version, SHOW_INT}, {"record_buffer", (char*) &my_default_record_cache_size,SHOW_LONG}, {"skip_locking", (char*) &my_disable_locking, SHOW_MY_BOOL}, {"skip_networking", (char*) &opt_disable_networking, SHOW_BOOL}, {"skip_show_database", (char*) &opt_skip_show_db, SHOW_BOOL}, {"slow_launch_time", (char*) &slow_launch_time, SHOW_LONG}, {"socket", (char*) &mysql_unix_port, SHOW_CHAR_PTR}, {"sort_buffer", (char*) &sortbuff_size,SHOW_LONG}, {"table_cache", (char*) &table_cache_size,SHOW_LONG}, {"table_type", (char*) (&default_table_type_name), SHOW_CHAR_PTR}, #ifdef HAVE_THR_SETCONCURRENCY {"thread_concurrency", (char*) &concurrency, SHOW_LONG}, #endif {"thread_stack", (char*) &thread_stack,SHOW_LONG}, {"thread_cache_size", (char*) &thread_cache_size,SHOW_LONG}, #ifdef HAVE_TZNAME {"timezone", time_zone, SHOW_CHAR}, #endif {"tmp_table_size", (char*) &tmp_table_size,SHOW_LONG}, {"tmpdir", (char*) &mysql_tmpdir,SHOW_CHAR_PTR}, {"version", server_version, SHOW_CHAR}, {"wait_timeout",(char*) &net_wait_timeout,SHOW_LONG}, {NullS,NullS,SHOW_LONG} }; struct show_var_st status_vars[]= { {"Aborted_clients", (char*) &aborted_threads, SHOW_LONG}, {"Aborted_connects", (char*) &aborted_connects, SHOW_LONG}, {"Bytes_received", (char*) &bytes_received, SHOW_LONG}, {"Bytes_sent", (char*) &bytes_sent, SHOW_LONG}, {"Connections", (char*) &thread_id, SHOW_LONG_CONST}, {"Created_tmp_tables",(char*) &created_tmp_tables, SHOW_LONG}, {"Delayed_insert_threads", (char*) &delayed_insert_threads, SHOW_LONG}, {"Delayed_writes", (char*) &delayed_insert_writes, SHOW_LONG}, {"Delayed_errors", (char*) &delayed_insert_errors, SHOW_LONG}, {"Flush_commands", (char*) &refresh_version, SHOW_LONG_CONST}, {"Handler_delete", (char*) &ha_delete_count, SHOW_LONG}, {"Handler_read_first",(char*) &ha_read_first_count, SHOW_LONG}, {"Handler_read_key", (char*) &ha_read_key_count, SHOW_LONG}, {"Handler_read_next", (char*) &ha_read_next_count, SHOW_LONG}, {"Handler_read_prev", (char*) &ha_read_prev_count, SHOW_LONG}, {"Handler_read_rnd", (char*) &ha_read_rnd_count, SHOW_LONG}, {"Handler_read_rnd_next", (char*) &ha_read_rnd_next_count, SHOW_LONG}, {"Handler_update", (char*) &ha_update_count, SHOW_LONG}, {"Handler_write", (char*) &ha_write_count, SHOW_LONG}, {"Key_blocks_used", (char*) &_my_blocks_used, SHOW_LONG_CONST}, {"Key_read_requests", (char*) &_my_cache_r_requests, SHOW_LONG}, {"Key_reads", (char*) &_my_cache_read, SHOW_LONG}, {"Key_write_requests",(char*) &_my_cache_w_requests, SHOW_LONG}, {"Key_writes", (char*) &_my_cache_write, SHOW_LONG}, {"Max_used_connections", (char*) &max_used_connections, SHOW_LONG}, {"Not_flushed_key_blocks", (char*) &_my_blocks_changed, SHOW_LONG_CONST}, {"Not_flushed_delayed_rows", (char*) &delayed_rows_in_use, SHOW_LONG_CONST}, {"Open_tables", (char*) 0, SHOW_OPENTABLES}, {"Open_files", (char*) &my_file_opened, SHOW_INT_CONST}, {"Open_streams", (char*) &my_stream_opened, SHOW_INT_CONST}, {"Opened_tables", (char*) &opened_tables, SHOW_LONG}, {"Questions", (char*) 0, SHOW_QUESTION}, {"Slow_launch_threads", (char*) &slow_launch_threads, SHOW_LONG}, {"Slow_queries", (char*) &long_query_count, SHOW_LONG}, {"Slave_running", (char*) &slave_running, SHOW_BOOL}, {"Threads_cached", (char*) &cached_thread_count, SHOW_LONG_CONST}, {"Threads_connected", (char*) &thread_count, SHOW_INT_CONST}, {"Threads_running", (char*) &thread_running, SHOW_INT_CONST}, {"Uptime", (char*) 0, SHOW_STARTTIME}, {NullS,NullS,SHOW_LONG} }; static void print_version(void) { printf("%s Ver %s for %s on %s\n",my_progname, server_version,SYSTEM_TYPE,MACHINE_TYPE); } static void usage(void) { print_version(); puts("Copyright (C) 2000 MySQL AB & MySQL Finland AB, by Monty and others"); puts("This software comes with ABSOLUTELY NO WARRANTY. This is free software,\nand you are welcome to modify and redistribute it under the GPL license\n"); puts("Starts the MySQL server\n"); printf("Usage: %s [OPTIONS]\n", my_progname); puts("\n\ --ansi Use ANSI SQL syntax instead of MySQL syntax\n\ -b, --basedir=path Path to installation directory. All paths are\n\ usually resolved relative to this\n\ --big-tables Allow big result sets by saving all temporary sets\n\ on file (Solves most 'table full' errors)\n\ --bind-address=IP Ip address to bind to\n\ --bootstrap Used by mysql installation scripts\n\ --character-sets-dir=...\n\ Directory where character sets are\n\ --chroot=path Chroot mysqld daemon during startup\n\ -h, --datadir=path Path to the database root"); #ifndef DBUG_OFF printf("\ -#, --debug[=...] Debug log. Default is '%s'\n",default_dbug_option); #endif puts("\ --default-character-set=charset\n\ Set the default character set\n\ --default-table-type=type\n\ Set the default table type for tables\n\ --delay-key-write-for-all-tables\n\ Don't flush key buffers between writes for any MyISAM\n\ table\n\ --enable-locking Enable system locking\n\ -T, --exit-info Print some debug info at exit\n\ --flush Flush tables to disk between SQL commands\n\ -?, --help Display this help and exit\n\ --init-file=file Read SQL commands from this file at startup\n\ -L, --language=... Client error messages in given language. May be\n\ given as a full path\n\ -l, --log[=file] Log connections and queries to file\n\ --log-bin[=file] Log queries in new binary format (for replication)\n\ --log-bin-index=file File that holds the names for last binary log files\n\ --log-update[=file] Log updates to file.# where # is a unique number\n\ if not given.\n\ --log-isam[=file] Log all isam changes to file\n\ --log-long-format Log some extra information to update log\n\ --low-priority-updates INSERT/DELETE/UPDATE has lower priority than selects\n\ --pid-file=path Pid file used by safe_mysqld\n\ -P, --port=... Port number to use for connection\n\ -n, --new Use very new possible 'unsafe' functions\n\ -o, --old-protocol Use the old (3.20) protocol\n\ --one-thread Only use one thread (for debugging under Linux)\n\ -O, --set-variable var=option\n\ Give a variable an value. --help lists variables\n\ -Sg, --skip-grant-tables\n\ Start without grant tables. This gives all users\n\ FULL ACCESS to all tables!\n\ --safe-mode Skip some optimize stages (for testing)\n\ --skip-delay-key-write\n\ Ignore the delay_key_write option for all tables\n\ --skip-locking Don't use system locking. To use isamchk one has\n\ to shut down the server.\n\ --skip-name-resolve Don't resolve hostnames.\n\ All hostnames are IP's or 'localhost'\n\ --skip-networking Don't allow connection with TCP/IP.\n\ --skip-new Don't use new, possible wrong routines.\n\ --skip-host-cache Don't cache host names\n"); /* We have to break the string here because of VC++ limits */ puts("\ --skip-show-database Don't allow 'SHOW DATABASE' commands\n\ --skip-thread-priority\n\ Don't give threads different priorities.\n\ --socket=... Socket file to use for connection\n\ -t, --tmpdir=path Path for temporary files\n\ -u, --user=user_name Run mysqld daemon as user\n\ -V, --version output version information and exit"); #ifdef __WIN__ puts("NT and Win32 specific options:\n\ --console Don't remove the console window\n\ --install Install mysqld as a service (NT)\n\ --remove Remove mysqld from the service list (NT)\n\ --standalone Dummy option to start as a standalone program (NT)\n\ "); #endif #ifdef HAVE_BERKELEY_DB puts("\ --bdb-home= directory Berkeley home direcory\n\ --bdb-lock-detect=# Berkeley lock detect\n\ (DEFAULT, OLDEST, RANDOM or YOUNGEST, # sec)\n\ --bdb-logdir=directory Berkeley DB log file directory\n\ --bdb-nosync Don't synchronously flush logs\n\ --bdb-recover Start Berkeley DB in recover mode\n\ --bdb-tmpdir=directory Berkeley DB tempfile name\n\ --skip-bdb Don't use berkeley db (will save memory)\n\ "); #endif print_defaults("my",load_default_groups); puts(""); #include "sslopt-usage.h" fix_paths(); set_ports(); printf("\ To see what values a running MySQL server is using, type\n\ 'mysqladmin variables' instead of 'mysqld --help'.\n\ The default values (after parsing the command line arguments) are:\n\n"); printf("basedir: %s\n",mysql_home); printf("datadir: %s\n",mysql_real_data_home); printf("tmpdir: %s\n",mysql_tmpdir); printf("language: %s\n",language); printf("pid file: %s\n",pidfile_name); if (opt_logname) printf("logfile: %s\n",opt_logname); if (opt_update_logname) printf("update log: %s\n",opt_update_logname); if (opt_bin_logname) { printf("binary log: %s\n",opt_bin_logname); printf("binary log index: %s\n",opt_binlog_index_name); } if (opt_slow_logname) printf("update log: %s\n",opt_slow_logname); printf("TCP port: %d\n",mysql_port); #if defined(HAVE_SYS_UN_H) && !defined(HAVE_mit_thread) printf("Unix socket: %s\n",mysql_unix_port); #endif if (my_disable_locking) puts("\nsystem locking is not in use"); if (opt_noacl) puts("\nGrant tables are not used. All users have full access rights"); printf("\nPossible variables for option --set-variable (-O) are:\n"); for (uint i=0 ; changeable_vars[i].name ; i++) printf("%-20s current value: %lu\n", changeable_vars[i].name, (ulong) *changeable_vars[i].varptr); } static void set_options(void) { set_all_changeable_vars( changeable_vars ); #if !defined( my_pthread_setprio ) && !defined( HAVE_PTHREAD_SETSCHEDPARAM ) opt_specialflag |= SPECIAL_NO_PRIOR; #endif (void) strmov( default_charset, MYSQL_CHARSET); (void) strmov( language, LANGUAGE); (void) strmov( mysql_real_data_home, get_relative_path(DATADIR)); #ifdef __WIN__ /* Allow Win32 users to move MySQL anywhere */ { char prg_dev[LIBLEN]; my_path(prg_dev,my_progname,"mysql/bin"); strcat(prg_dev,"/../"); // Remove 'bin' to get base dir cleanup_dirname(mysql_home,prg_dev); } #else const char *tmpenv; if ( !(tmpenv = getenv("MY_BASEDIR_VERSION"))) tmpenv = DEFAULT_MYSQL_HOME; (void) strmov( mysql_home, tmpenv ); #endif #if defined( HAVE_mit_thread ) || defined( __WIN__ ) || defined( HAVE_LINUXTHREADS ) my_disable_locking = 1; #endif my_bind_addr = htonl( INADDR_ANY ); } /* Initiates DEBUG - but no debugging here ! */ static void get_options(int argc,char **argv) { int c,option_index=0; myisam_delay_key_write=1; // Allow use of this while ((c=getopt_long(argc,argv,"ab:C:h:#::T::?l::L:O:P:sS::t:u:noVvI?", long_options, &option_index)) != EOF) { switch(c) { #ifndef DBUG_OFF case '#': DBUG_PUSH(optarg ? optarg : default_dbug_option); opt_endinfo=1; /* unireg: memory allocation */ break; #endif case 'a': opt_ansi_mode=1; thd_startup_options|=OPTION_ANSI_MODE; break; case 'b': strmov(mysql_home,optarg); break; case 'l': opt_log=1; opt_logname=optarg; // Use hostname.log if null break; case 'h': strmov(mysql_real_data_home,optarg); break; case 'L': strmov(language,optarg); break; case 'n': opt_specialflag|= SPECIAL_NEW_FUNC; break; case 'o': protocol_version=PROTOCOL_VERSION-1; break; case 'O': if (set_changeable_var(optarg, changeable_vars)) { usage(); exit(1); } break; case 'P': mysql_port= (unsigned int) atoi(optarg); break; case OPT_SOCKET: mysql_unix_port= optarg; break; case 'r': mysqld_chroot=optarg; break; #ifdef USE_SYMDIR case 's': my_use_symdir=1; /* Use internal symbolic links */ break; #endif case 't': mysql_tmpdir=optarg; break; case 'u': mysqld_user=optarg; break; case 'v': case 'V': print_version(); exit(0); case 'I': case '?': usage(); exit(0); case 'T': test_flags= optarg ? (uint) atoi(optarg) : (uint) ~0; opt_endinfo=1; break; case 'S': if (!optarg) opt_specialflag|= SPECIAL_NO_NEW_FUNC | SPECIAL_SAFE_MODE; else if (!strcmp(optarg,"l")) my_disable_locking=1; else if (!strcmp(optarg,"g")) opt_noacl=1; else { usage(); exit(1); } break; case (int) OPT_BIG_TABLES: thd_startup_options|=OPTION_BIG_TABLES; break; case (int) OPT_ISAM_LOG: if (optarg) nisam_log_filename=optarg; (void) nisam_log(1); break; case (int) OPT_UPDATE_LOG: opt_update_log=1; opt_update_logname=optarg; // Use hostname.# if null break; case (int) OPT_BIN_LOG_INDEX: opt_binlog_index_name = optarg; break; case (int) OPT_BIN_LOG: opt_bin_log=1; opt_bin_logname=optarg; break; case (int) OPT_LOG_SLAVE_UPDATES: opt_log_slave_updates = 1; break; case (int)OPT_REPLICATE_IGNORE_DB: { i_string *db = new i_string(optarg); replicate_ignore_db.push_back(db); break; } case (int)OPT_REPLICATE_DO_DB: { i_string *db = new i_string(optarg); replicate_do_db.push_back(db); break; } case (int)OPT_BINLOG_IGNORE_DB: { i_string *db = new i_string(optarg); binlog_ignore_db.push_back(db); break; } case (int)OPT_BINLOG_DO_DB: { i_string *db = new i_string(optarg); binlog_do_db.push_back(db); break; } case (int) OPT_SQL_BIN_UPDATE_SAME: opt_sql_bin_update = 1; break; case (int) OPT_SLOW_QUERY_LOG: opt_slow_log=1; opt_slow_logname=optarg; break; case (int) OPT_SKIP_NEW: opt_specialflag|= SPECIAL_NO_NEW_FUNC; default_table_type=DB_TYPE_ISAM; myisam_delay_key_write=0; myisam_concurrent_insert=0; break; case (int) OPT_SAFE: opt_specialflag|= SPECIAL_SAFE_MODE; myisam_delay_key_write=0; myisam_concurrent_insert=0; break; case (int) OPT_SKIP_PRIOR: opt_specialflag|= SPECIAL_NO_PRIOR; break; case (int) OPT_SKIP_GRANT: opt_noacl=1; break; case (int) OPT_SKIP_LOCK: my_disable_locking=1; break; case (int) OPT_SKIP_HOST_CACHE: opt_specialflag|= SPECIAL_NO_HOST_CACHE; break; case (int) OPT_ENABLE_LOCK: my_disable_locking=0; break; case (int) OPT_USE_LOCKING: my_disable_locking=0; break; case (int) OPT_SKIP_RESOLVE: opt_specialflag|=SPECIAL_NO_RESOLVE; break; case (int) OPT_LONG_FORMAT: opt_specialflag|=SPECIAL_LONG_LOG_FORMAT; break; case (int) OPT_SKIP_NETWORKING: opt_disable_networking=1; mysql_port=0; break; case (int) OPT_SKIP_SHOW_DB: opt_skip_show_db=1; opt_specialflag|=SPECIAL_SKIP_SHOW_DB; mysql_port=0; break; case (int) OPT_ONE_THREAD: test_flags |= TEST_NO_THREADS; break; case (int) OPT_BIND_ADDRESS: if (optarg && isdigit(optarg[0])) { my_bind_addr = (ulong) inet_addr(optarg); } else { struct hostent *ent; if (!optarg || !optarg[0]) ent=gethostbyname(optarg); else { char myhostname[255]; if (gethostname(myhostname,sizeof(myhostname)) < 0) { sql_perror("Can't start server: cannot get my own hostname!"); exit(1); } ent=gethostbyname(myhostname); } if (!ent) { sql_perror("Can't start server: cannot resolve hostname!"); exit(1); } my_bind_addr = (ulong) ((in_addr*)ent->h_addr_list[0])->s_addr; } break; case (int) OPT_PID_FILE: strmov(pidfile_name,optarg); break; case (int) OPT_INIT_FILE: opt_init_file=optarg; break; #ifdef __WIN__ case (int) OPT_STANDALONE: /* Dummy option for NT */ break; case (int) OPT_CONSOLE: opt_console=1; break; #endif case (int) OPT_FLUSH: nisam_flush=myisam_flush=1; flush_time=0; // No auto flush break; case OPT_LOW_PRIORITY_UPDATES: thd_startup_options|=OPTION_LOW_PRIORITY_UPDATES; low_priority_updates=1; break; case OPT_BOOTSTRAP: opt_noacl=opt_bootstrap=1; break; case OPT_TABLE_TYPE: { int type; if ((type=find_type(optarg, &ha_table_typelib, 2)) <= 0) { fprintf(stderr,"Unknown table type: %s\n",optarg); exit(1); } default_table_type= (enum db_type) type; break; } case OPT_DELAY_KEY_WRITE: ha_open_options|=HA_OPEN_DELAY_KEY_WRITE; myisam_delay_key_write=1; break; case OPT_SKIP_DELAY_KEY_WRITE: myisam_delay_key_write=0; break; case 'C': strmov(default_charset,optarg); break; case OPT_CHARSETS_DIR: strmov(mysql_charsets_dir, optarg); charsets_dir = mysql_charsets_dir; break; #include "sslopt-case.h" #ifdef HAVE_BERKELEY_DB case OPT_BDB_LOG: berkeley_logdir=optarg; break; case OPT_BDB_HOME: berkeley_home=optarg; break; case OPT_BDB_NOSYNC: berkeley_init_flags|=DB_TXN_NOSYNC; break; case OPT_BDB_RECOVER: berkeley_init_flags|=DB_RECOVER; break; case OPT_BDB_TMP: berkeley_tmpdir=optarg; break; case OPT_BDB_LOCK: { int type; if ((type=find_type(optarg, &berkeley_lock_typelib, 2)) > 0) berkeley_lock_type=berkeley_lock_types[type-1]; else { if (test_if_int(optarg,strlen(optarg))) berkeley_lock_scan_time=atoi(optarg); else { fprintf(stderr,"Unknown lock type: %s\n",optarg); exit(1); } } break; } case OPT_BDB_SKIP: berkeley_skip=1; break; #endif case OPT_MASTER_HOST: master_host=optarg; break; case OPT_MASTER_USER: master_user=optarg; break; case OPT_MASTER_PASSWORD: master_password=optarg; break; case OPT_MASTER_INFO_FILE: master_info_file=optarg; break; case OPT_MASTER_PORT: master_port= atoi(optarg); break; case OPT_MASTER_CONNECT_RETRY: master_connect_retry= atoi(optarg); break; default: fprintf(stderr,"%s: Unrecognized option: %c\n",my_progname,c); usage(); exit(1); } } // Skipp empty arguments (from shell) while (argc != optind && !argv[optind][0]) optind++; if (argc != optind) { fprintf(stderr,"%s: Too many parameters\n",my_progname); usage(); exit(1); } fix_paths(); default_table_type_name=ha_table_typelib.type_names[default_table_type-1]; } #ifdef __WIN__ #ifndef KEY_SERVICE_PARAMETERS #define KEY_SERVICE_PARAMETERS "SYSTEM\\CurrentControlSet\\Services\\MySql\\Parameters" #endif #define COPY_KEY_VALUE(value) if (copy_key_value(hParametersKey,&(value),lpszValue)) return 1 #define CHECK_KEY_TYPE(type,name) if ( type != dwKeyValueType ) { key_type_error(hParametersKey,name); return 1; } #define SET_CHANGEABLE_VARVAL(varname) if (set_varval(hParametersKey,varname,szKeyValueName,dwKeyValueType,lpdwValue)) return 1; static void key_type_error(HKEY hParametersKey,const char *szKeyValueName) { TCHAR szErrorMsg[512]; RegCloseKey( hParametersKey ); strxmov(szErrorMsg,TEXT("Value \""), szKeyValueName, TEXT("\" of registry key \"" KEY_SERVICE_PARAMETERS "\" has wrong type\n"),NullS); fprintf(stderr, szErrorMsg); /* not unicode compatible */ } static bool copy_key_value(HKEY hParametersKey, char **var, const char *value) { if (!(*var=my_strdup(value,MYF(MY_WME)))) { RegCloseKey(hParametersKey); fprintf(stderr, "Couldn't allocate memory for registry key value\n"); return 1; } return 0; } static bool set_varval(HKEY hParametersKey,const char *var, const char *szKeyValueName, DWORD dwKeyValueType, LPDWORD lpdwValue) { CHECK_KEY_TYPE(dwKeyValueType, szKeyValueName ); if (set_changeable_varval(var, *lpdwValue, changeable_vars)) { TCHAR szErrorMsg [ 512 ]; RegCloseKey( hParametersKey ); strxmov(szErrorMsg, TEXT("Value \""), szKeyValueName, TEXT("\" of registry key \"" KEY_SERVICE_PARAMETERS "\" is invalid\n"),NullS); fprintf( stderr, szErrorMsg ); /* not unicode compatible */ return 1; } return 0; } static int get_service_parameters() { DWORD dwLastError; HKEY hParametersKey; DWORD dwIndex; TCHAR szKeyValueName [ 256 ]; DWORD dwKeyValueName; DWORD dwKeyValueType; BYTE bKeyValueBuffer [ 512 ]; DWORD dwKeyValueBuffer; LPDWORD lpdwValue = (LPDWORD) &bKeyValueBuffer[0]; LPCTSTR lpszValue = (LPCTSTR) &bKeyValueBuffer[0]; /* open parameters of service */ dwLastError = (DWORD) RegOpenKeyEx( HKEY_LOCAL_MACHINE, TEXT(KEY_SERVICE_PARAMETERS), 0, KEY_READ, &hParametersKey ); if ( dwLastError == ERROR_FILE_NOT_FOUND ) /* no parameters available */ return 0; if ( dwLastError != ERROR_SUCCESS ) { fprintf(stderr,"Can't open registry key \"" KEY_SERVICE_PARAMETERS "\" for reading\n" ); return 1; } /* enumerate all values of key */ dwIndex = 0; dwKeyValueName = sizeof( szKeyValueName ) / sizeof( TCHAR ); dwKeyValueBuffer = sizeof( bKeyValueBuffer ); while ( (dwLastError = (DWORD) RegEnumValue(hParametersKey, dwIndex, szKeyValueName, &dwKeyValueName, NULL, &dwKeyValueType, &bKeyValueBuffer[0], &dwKeyValueBuffer)) != ERROR_NO_MORE_ITEMS ) { /* check if error occured */ if ( dwLastError != ERROR_SUCCESS ) { RegCloseKey( hParametersKey ); fprintf( stderr, "Can't enumerate values of registry key \"" KEY_SERVICE_PARAMETERS "\"\n" ); return 1; } if ( lstrcmp(szKeyValueName, TEXT("BaseDir")) == 0 ) { CHECK_KEY_TYPE( REG_SZ, szKeyValueName); strmov( mysql_home, lpszValue ); /* not unicode compatible */ } else if ( lstrcmp(szKeyValueName, TEXT("BindAddress")) == 0 ) { CHECK_KEY_TYPE( REG_SZ, szKeyValueName); my_bind_addr = (ulong) inet_addr( lpszValue ); if ( my_bind_addr == (ulong) INADDR_NONE ) { struct hostent* ent; if ( !(*lpszValue) ) { char szHostName [ 256 ]; if ( gethostname(szHostName, sizeof(szHostName)) == SOCKET_ERROR ) { RegCloseKey( hParametersKey ); fprintf( stderr, "Can't get my own hostname\n" ); return 1; } ent = gethostbyname( szHostName ); } else ent = gethostbyname( lpszValue ); if ( !ent ) { RegCloseKey( hParametersKey ); fprintf( stderr, "Can't resolve hostname!\n" ); return 1; } my_bind_addr = (ulong) ((in_addr*)ent->h_addr_list[0])->s_addr; } } else if ( lstrcmp(szKeyValueName, TEXT("BigTables")) == 0 ) { CHECK_KEY_TYPE( REG_DWORD, szKeyValueName); if ( *lpdwValue ) thd_startup_options |= OPTION_BIG_TABLES; else thd_startup_options &= ~((ulong)OPTION_BIG_TABLES); } else if ( lstrcmp(szKeyValueName, TEXT("DataDir")) == 0 ) { CHECK_KEY_TYPE( REG_SZ, szKeyValueName ); strmov( mysql_real_data_home, lpszValue ); /* not unicode compatible */ } else if ( lstrcmp(szKeyValueName, TEXT("Locking")) == 0 ) { CHECK_KEY_TYPE( REG_DWORD, szKeyValueName ); my_disable_locking = !(*lpdwValue); } else if ( lstrcmp(szKeyValueName, TEXT("LogFile")) == 0 ) { CHECK_KEY_TYPE( REG_SZ, szKeyValueName ); opt_log = 1; COPY_KEY_VALUE( opt_logname ); } else if ( lstrcmp(szKeyValueName, TEXT("UpdateLogFile")) == 0 ) { CHECK_KEY_TYPE( REG_SZ, szKeyValueName ); opt_update_log = 1; COPY_KEY_VALUE( opt_update_logname ); } else if ( lstrcmp(szKeyValueName, TEXT("BinaryLogFile")) == 0 ) { CHECK_KEY_TYPE( REG_SZ, szKeyValueName ); opt_bin_log = 1; COPY_KEY_VALUE( opt_bin_logname ); } else if ( lstrcmp(szKeyValueName, TEXT("BinaryLogIndexFile")) == 0 ) { CHECK_KEY_TYPE( REG_SZ, szKeyValueName ); opt_bin_log = 1; COPY_KEY_VALUE( opt_binlog_index_name ); } else if ( lstrcmp(szKeyValueName, TEXT("ISAMLogFile")) == 0 ) { CHECK_KEY_TYPE( REG_SZ, szKeyValueName ); COPY_KEY_VALUE( nisam_log_filename ); (void) nisam_log( 1 ); } else if ( lstrcmp(szKeyValueName, TEXT("LongLogFormat")) == 0 ) { CHECK_KEY_TYPE( REG_DWORD, szKeyValueName ); if ( *lpdwValue ) opt_specialflag |= SPECIAL_LONG_LOG_FORMAT; else opt_specialflag &= ~((ulong)SPECIAL_LONG_LOG_FORMAT); } else if ( lstrcmp(szKeyValueName, TEXT("LowPriorityUpdates")) == 0 ) { CHECK_KEY_TYPE( REG_DWORD, szKeyValueName ); if ( *lpdwValue ) { thd_startup_options |= OPTION_LOW_PRIORITY_UPDATES; low_priority_updates = 1; } else { thd_startup_options &= ~((ulong)OPTION_LOW_PRIORITY_UPDATES); low_priority_updates = 0; } } else if ( lstrcmp(szKeyValueName, TEXT("Port")) == 0 ) { CHECK_KEY_TYPE( REG_DWORD, szKeyValueName ); mysql_port = (unsigned int) *lpdwValue; } else if ( lstrcmp(szKeyValueName, TEXT("OldProtocol")) == 0 ) { CHECK_KEY_TYPE( REG_DWORD, szKeyValueName ); protocol_version = *lpdwValue ? PROTOCOL_VERSION - 1 : PROTOCOL_VERSION; } else if ( lstrcmp(szKeyValueName, TEXT("HostnameResolving")) == 0 ) { CHECK_KEY_TYPE( REG_DWORD, szKeyValueName ); if ( !*lpdwValue ) opt_specialflag |= SPECIAL_NO_RESOLVE; else opt_specialflag &= ~((ulong)SPECIAL_NO_RESOLVE); } else if ( lstrcmp(szKeyValueName, TEXT("Networking")) == 0 ) { CHECK_KEY_TYPE( REG_DWORD, szKeyValueName ); opt_disable_networking = !(*lpdwValue); } else if ( lstrcmp(szKeyValueName, TEXT("ShowDatabase")) == 0 ) { CHECK_KEY_TYPE( REG_DWORD, szKeyValueName ); opt_disable_networking = !(*lpdwValue); } else if ( lstrcmp(szKeyValueName, TEXT("HostnameCaching")) == 0 ) { CHECK_KEY_TYPE( REG_DWORD, szKeyValueName ); if ( !*lpdwValue ) opt_specialflag |= SPECIAL_NO_HOST_CACHE; else opt_specialflag &= ~((ulong)SPECIAL_NO_HOST_CACHE); } else if ( lstrcmp(szKeyValueName, TEXT("ThreadPriority")) == 0 ) { CHECK_KEY_TYPE( REG_DWORD, szKeyValueName ); if ( !(*lpdwValue) ) opt_specialflag |= SPECIAL_NO_PRIOR; else opt_specialflag &= ~((ulong)SPECIAL_NO_PRIOR); } else if ( lstrcmp(szKeyValueName, TEXT("NamedPipe")) == 0 ) { CHECK_KEY_TYPE( REG_SZ, szKeyValueName ); COPY_KEY_VALUE( mysql_unix_port ); } else if ( lstrcmp(szKeyValueName, TEXT("TempDir")) == 0 ) { CHECK_KEY_TYPE( REG_SZ, szKeyValueName ); COPY_KEY_VALUE( mysql_tmpdir ); } else if ( lstrcmp(szKeyValueName, TEXT("FlushTables")) == 0 ) { CHECK_KEY_TYPE( REG_DWORD, szKeyValueName ); nisam_flush = myisam_flush= *lpdwValue ? 1 : 0; } else if ( lstrcmp(szKeyValueName, TEXT("BackLog")) == 0 ) { SET_CHANGEABLE_VARVAL( "back_log" ); } else if ( lstrcmp(szKeyValueName, TEXT("ConnectTimeout")) == 0 ) { SET_CHANGEABLE_VARVAL( "connect_timeout" ); } else if ( lstrcmp(szKeyValueName, TEXT("JoinBufferSize")) == 0 ) { SET_CHANGEABLE_VARVAL( "join_buffer" ); } else if ( lstrcmp(szKeyValueName, TEXT("KeyBufferSize")) == 0 ) { SET_CHANGEABLE_VARVAL( "key_buffer" ); } else if ( lstrcmp(szKeyValueName, TEXT("LongQueryTime")) == 0 ) { SET_CHANGEABLE_VARVAL( "long_query_time" ); } else if ( lstrcmp(szKeyValueName, TEXT("MaxAllowedPacket")) == 0 ) { SET_CHANGEABLE_VARVAL( "max_allowed_packet" ); } else if ( lstrcmp(szKeyValueName, TEXT("MaxConnections")) == 0 ) { SET_CHANGEABLE_VARVAL( "max_connections" ); } else if ( lstrcmp(szKeyValueName, TEXT("MaxConnectErrors")) == 0 ) { SET_CHANGEABLE_VARVAL( "max_connect_errors" ); } else if ( lstrcmp(szKeyValueName, TEXT("MaxInsertDelayedThreads")) == 0 ) { SET_CHANGEABLE_VARVAL( "max_delayed_threads" ); } else if ( lstrcmp(szKeyValueName, TEXT("MaxJoinSize")) == 0 ) { SET_CHANGEABLE_VARVAL( "max_join_size" ); } else if ( lstrcmp(szKeyValueName, TEXT("MaxSortLength")) == 0 ) { SET_CHANGEABLE_VARVAL( "max_sort_length" ); } else if ( lstrcmp(szKeyValueName, TEXT("NetBufferLength")) == 0 ) { SET_CHANGEABLE_VARVAL( "net_buffer_length" ); } else if ( lstrcmp(szKeyValueName, TEXT("RecordBufferSize")) == 0 ) { SET_CHANGEABLE_VARVAL( "record_buffer" ); } else if ( lstrcmp(szKeyValueName, TEXT("SortBufferSize")) == 0 ) { SET_CHANGEABLE_VARVAL( "sort_buffer" ); } else if ( lstrcmp(szKeyValueName, TEXT("TableCacheSize")) == 0 ) { SET_CHANGEABLE_VARVAL( "table_cache" ); } else if ( lstrcmp(szKeyValueName, TEXT("TmpTableSize")) == 0 ) { SET_CHANGEABLE_VARVAL( "tmp_table_size" ); } else if ( lstrcmp(szKeyValueName, TEXT("ThreadStackSize")) == 0 ) { SET_CHANGEABLE_VARVAL( "thread_stack" ); } else if ( lstrcmp(szKeyValueName, TEXT("WaitTimeout")) == 0 ) { SET_CHANGEABLE_VARVAL( "wait_timeout" ); } else if ( lstrcmp(szKeyValueName, TEXT("DelayedInsertTimeout")) == 0 ) { SET_CHANGEABLE_VARVAL( "delayed_insert_timeout" ); } else if ( lstrcmp(szKeyValueName, TEXT("DelayedInsertLimit")) == 0 ) { SET_CHANGEABLE_VARVAL( "delayed_insert_limit" ); } else if ( lstrcmp(szKeyValueName, TEXT("DelayedQueueSize")) == 0 ) { SET_CHANGEABLE_VARVAL( "delayed_queue_size" ); } else if ( lstrcmp(szKeyValueName, TEXT("FlushTime")) == 0 ) { SET_CHANGEABLE_VARVAL( "flush_time" ); } else if ( lstrcmp(szKeyValueName, TEXT("InteractiveTimeout")) == 0 ) { SET_CHANGEABLE_VARVAL( "interactive_timeout" ); } else if ( lstrcmp(szKeyValueName, TEXT("LowerCaseTableNames")) == 0 ) { SET_CHANGEABLE_VARVAL( "lower_case_table_names" ); } else if ( lstrcmp(szKeyValueName, TEXT("MaxHeapTableSize")) == 0 ) { SET_CHANGEABLE_VARVAL( "max_heap_table_size" ); } else if ( lstrcmp(szKeyValueName, TEXT("MaxTmpTables")) == 0 ) { SET_CHANGEABLE_VARVAL( "max_tmp_tables" ); } else if ( lstrcmp(szKeyValueName, TEXT("MaxWriteLockCount")) == 0 ) { SET_CHANGEABLE_VARVAL( "max_write_lock_count" ); } else if ( lstrcmp(szKeyValueName, TEXT("NetRetryCount")) == 0 ) { SET_CHANGEABLE_VARVAL( "net_retry_count" ); } else if ( lstrcmp(szKeyValueName, TEXT("QueryBufferSize")) == 0 ) { SET_CHANGEABLE_VARVAL( "query_buffer_size" ); } else if ( lstrcmp(szKeyValueName, TEXT("ThreadConcurrency")) == 0 ) { SET_CHANGEABLE_VARVAL( "thread_concurrency" ); } else { TCHAR szErrorMsg [ 512 ]; RegCloseKey( hParametersKey ); lstrcpy( szErrorMsg, TEXT("Value \"") ); lstrcat( szErrorMsg, szKeyValueName ); lstrcat( szErrorMsg, TEXT("\" of registry key \"" KEY_SERVICE_PARAMETERS "\" is not defined by MySQL\n") ); fprintf( stderr, szErrorMsg ); /* not unicode compatible */ return 1; } dwIndex++; dwKeyValueName = sizeof( szKeyValueName ) / sizeof( TCHAR ); dwKeyValueBuffer = sizeof( bKeyValueBuffer ); } RegCloseKey( hParametersKey ); /* paths are fixed by method get_options() */ return 0; } #endif static char *get_relative_path(const char *path) { if (test_if_hard_path(path) && is_prefix(path,DEFAULT_MYSQL_HOME) && strcmp(DEFAULT_MYSQL_HOME,FN_ROOTDIR)) { path+=strlen(DEFAULT_MYSQL_HOME); while (*path == FN_LIBCHAR) path++; } return (char*) path; } static void fix_paths(void) { (void) fn_format(mysql_home,mysql_home,"","",16); // Remove symlinks convert_dirname(mysql_home); convert_dirname(mysql_real_data_home); convert_dirname(language); (void) my_load_path(mysql_home,mysql_home,""); // Resolve current dir (void) my_load_path(mysql_real_data_home,mysql_real_data_home,mysql_home); (void) my_load_path(pidfile_name,pidfile_name,mysql_real_data_home); char buff[FN_REFLEN],*sharedir=get_relative_path(SHAREDIR); if (test_if_hard_path(sharedir)) strmov(buff,sharedir); /* purecov: tested */ else strxmov(buff,mysql_home,sharedir,NullS); convert_dirname(buff); (void) my_load_path(language,language,buff); /* If --character-sets-dir isn't given, use shared library dir */ if (charsets_dir != mysql_charsets_dir) { strmov(strmov(mysql_charsets_dir,buff),CHARSET_DIR); charsets_dir=mysql_charsets_dir; } /* Add '/' to TMPDIR if needed */ char *tmp= (char*) my_malloc(FN_REFLEN,MYF(MY_FAE)); if (tmp) { strmov(tmp,mysql_tmpdir); mysql_tmpdir=tmp; convert_dirname(mysql_tmpdir); mysql_tmpdir=(char*) my_realloc(mysql_tmpdir,strlen(mysql_tmpdir)+1, MYF(MY_HOLD_ON_ERROR)); } } #ifdef SET_RLIMIT_NOFILE static uint set_maximum_open_files(uint max_file_limit) { struct rlimit rlimit; ulong old_cur; if (!getrlimit(RLIMIT_NOFILE,&rlimit)) { old_cur=rlimit.rlim_cur; if (rlimit.rlim_cur >= max_file_limit) // Nothing to do return rlimit.rlim_cur; /* purecov: inspected */ rlimit.rlim_cur=rlimit.rlim_max=max_file_limit; if (setrlimit(RLIMIT_NOFILE,&rlimit)) { sql_print_error("Warning: setrlimit couldn't increase number of open files to more than %ld", old_cur); /* purecov: inspected */ max_file_limit=old_cur; } else { (void) getrlimit(RLIMIT_NOFILE,&rlimit); if ((uint) rlimit.rlim_cur != max_file_limit) sql_print_error("Warning: setrlimit returned ok, but didn't change limits. Max open files is %ld", (ulong) rlimit.rlim_cur); /* purecov: inspected */ max_file_limit=rlimit.rlim_cur; } } return max_file_limit; } #endif /***************************************************************************** ** Instantiate templates *****************************************************************************/ #ifdef __GNUC__ /* Used templates */ template class I_List; template class I_List_iterator; template class I_List; #endif