diff options
Diffstat (limited to 'libmysqld/lib_sql.cc')
-rw-r--r-- | libmysqld/lib_sql.cc | 140 |
1 files changed, 70 insertions, 70 deletions
diff --git a/libmysqld/lib_sql.cc b/libmysqld/lib_sql.cc index 60f0c74859b..d461c46d604 100644 --- a/libmysqld/lib_sql.cc +++ b/libmysqld/lib_sql.cc @@ -11,11 +11,9 @@ * provided the above notices are retained, and a notice that the code was * modified is included with the above copyright notice. * - */ -#include "embedded_priv.h" -#include "sys/types.h" -#include "../regex/regex.h" -#include "my_sys.h" + + This code was modified by the MySQL team +*/ /* The following is needed to not cause conflicts when we include mysqld.cc @@ -24,26 +22,6 @@ #define main main1 #define mysql_unix_port mysql_inix_port1 #define mysql_port mysql_port1 -#define net_read_timeout net_read_timeout1 -#define net_write_timeout net_write_timeout1 -#define changeable_vars changeable_vars1 - -extern "C" -{ -#include "mysql_com.h" -#include "lib_vio.c" -} - - -class THD; - -static int check_connections1(THD * thd); -static int check_connections2(THD * thd); -static bool check_user(THD *thd, enum_server_command command, - const char *user, const char *passwd, const char *db, - bool check_count); -void free_defaults_internal(char ** argv) {if (argv) free_defaults(argv);} -#define free_defaults free_defaults_internal #if defined (__WIN__) #include "../sql/mysqld.cpp" @@ -53,11 +31,16 @@ void free_defaults_internal(char ** argv) {if (argv) free_defaults(argv);} #define SCRAMBLE_LENGTH 8 C_MODE_START +#include "lib_vio.c" +static int check_connections1(THD * thd); +static int check_connections2(THD * thd); +static bool check_user(THD *thd, enum_server_command command, + const char *user, const char *passwd, const char *db, + bool check_count); char * get_mysql_home(){ return mysql_home;}; char * get_mysql_real_data_home(){ return mysql_real_data_home;}; - bool lib_dispatch_command(enum enum_server_command command, NET *net, const char *arg, ulong length) { @@ -117,7 +100,7 @@ void start_embedded_conn1(NET * net) thd->dbug_thread_id=my_thread_id(); thd->thread_stack= (char*) &thd; - if (thd->max_join_size == HA_POS_ERROR) + if (thd->variables.max_join_size == (ulong) HA_POS_ERROR) thd->options |= OPTION_BIG_SELECTS; thd->proc_info=0; // Remove 'login' @@ -206,12 +189,12 @@ check_connections2(THD * thd) #endif if (connect_errors) reset_host_errors(&thd->remote.sin_addr); - if (thd->packet.alloc(net_buffer_length)) + if (thd->packet.alloc(thd->variables.net_buffer_length)) return(ER_OUT_OF_RESOURCES); thd->client_capabilities=uint2korr(net->read_pos); - thd->max_packet_length=uint3korr(net->read_pos+2); + thd->max_client_packet_length=uint3korr(net->read_pos+2); char *user= (char*) net->read_pos+5; char *passwd= strend(user)+1; char *db=0; @@ -219,11 +202,9 @@ check_connections2(THD * thd) return ER_HANDSHAKE_ERROR; if (thd->client_capabilities & CLIENT_CONNECT_WITH_DB) db=strend(passwd)+1; - if (thd->client_capabilities & CLIENT_INTERACTIVE) - thd->inactive_timeout= thd->variables.net_interactive_timeout; if (thd->client_capabilities & CLIENT_TRANSACTIONS) thd->net.return_status= &thd->server_status; - net->timeout=net_read_timeout; + net->read_timeout=thd->variables.net_read_timeout; if (check_user(thd,COM_CONNECT, user, passwd, db, 1)) return (-1); thd->password=test(passwd[0]); @@ -249,7 +230,7 @@ static bool check_user(THD *thd,enum_server_command command, const char *user, CLIENT_LONG_PASSWORD),&ur); DBUG_PRINT("info", ("Capabilities: %d packet_length: %d Host: '%s' User: '%s' Using password: %s Access: %u db: '%s'", - thd->client_capabilities, thd->max_packet_length, + thd->client_capabilities, thd->max_client_packet_length, thd->host_or_ip, thd->priv_user, passwd[0] ? "yes": "no", thd->master_access, thd->db ? thd->db : "*none*")); @@ -297,6 +278,7 @@ extern "C" { static my_bool inited, org_my_init_done; +ulong max_allowed_packet, net_buffer_length; int STDCALL mysql_server_init(int argc, char **argv, char **groups) { @@ -358,20 +340,24 @@ int STDCALL mysql_server_init(int argc, char **argv, char **groups) if (gethostname(glob_hostname,sizeof(glob_hostname)-4) < 0) strmov(glob_hostname,"mysql"); #ifndef DBUG_OFF - strcat(server_version,"-debug"); + strxmov(strend(server_version),MYSQL_SERVER_SUFFIX,"-debug",NullS); +#else + strmov(strend(server_version),MYSQL_SERVER_SUFFIX); #endif - strcat(server_version,"-embedded"); load_defaults("my", (const char **) groups, argcp, argvp); defaults_argv=*argvp; - mysql_tmpdir=getenv("TMPDIR"); /* Use this if possible */ + + /* Get default temporary directory */ + opt_mysql_tmpdir=getenv("TMPDIR"); /* Use this if possible */ #if defined( __WIN__) || defined(OS2) - if (!mysql_tmpdir) - mysql_tmpdir=getenv("TEMP"); - if (!mysql_tmpdir) - mysql_tmpdir=getenv("TMP"); + if (!opt_mysql_tmpdir) + opt_mysql_tmpdir=getenv("TEMP"); + if (!opt_mysql_tmpdir) + opt_mysql_tmpdir=getenv("TMP"); #endif - if (!mysql_tmpdir || !mysql_tmpdir[0]) - mysql_tmpdir=(char*) P_tmpdir; /* purecov: inspected */ + if (!opt_mysql_tmpdir || !opt_mysql_tmpdir[0]) + opt_mysql_tmpdir=(char*) P_tmpdir; /* purecov: inspected */ + set_options(); get_options(*argcp, *argvp); @@ -398,15 +384,19 @@ int STDCALL mysql_server_init(int argc, char **argv, char **groups) (void) pthread_mutex_init(&LOCK_bytes_sent,MY_MUTEX_INIT_FAST); (void) pthread_mutex_init(&LOCK_bytes_received,MY_MUTEX_INIT_FAST); (void) pthread_mutex_init(&LOCK_timezone,MY_MUTEX_INIT_FAST); + (void) pthread_mutex_init(&LOCK_server_id, MY_MUTEX_INIT_FAST); (void) pthread_mutex_init(&LOCK_user_conn, MY_MUTEX_INIT_FAST); + (void) pthread_mutex_init(&LOCK_rpl_status, MY_MUTEX_INIT_FAST); + (void) pthread_mutex_init(&LOCK_active_mi, MY_MUTEX_INIT_FAST); + (void) pthread_mutex_init(&LOCK_global_system_variables, MY_MUTEX_INIT_FAST); (void) pthread_cond_init(&COND_thread_count,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_manager,NULL); - (void) pthread_cond_init(&COND_binlog_update, NULL); + (void) pthread_cond_init(&COND_rpl_status, NULL); - if (set_default_charset_by_name(default_charset, MYF(MY_WME))) + if (set_default_charset_by_name(sys_charset.value, MYF(MY_WME))) { mysql_server_end(); return 1; @@ -420,13 +410,15 @@ int STDCALL mysql_server_init(int argc, char **argv, char **groups) pthread_attr_setstacksize(&connection_attrib,thread_stack); pthread_attr_setscope(&connection_attrib, PTHREAD_SCOPE_SYSTEM); -#if defined( SET_RLIMIT_NOFILE) || defined( OS2) - /* connections and databases neads lots of files */ +#if defined( SET_RLIMIT_NOFILE) || defined( OS2) + /* connections and databases needs lots of files */ { uint wanted_files=10+(uint) max(max_connections*5, max_connections+table_cache_size*2); + set_if_bigger(wanted_files, open_files_limit); + // Note that some system returns 0 if we succeed here: uint files=set_maximum_open_files(wanted_files); - if (files && files < wanted_files) // Some systems return 0 + if (files && files < wanted_files && ! open_files_limit) { max_connections= (ulong) min((files-10),max_connections); table_cache_size= (ulong) max((files-10-max_connections)/2,64); @@ -441,6 +433,7 @@ int STDCALL mysql_server_init(int argc, char **argv, char **groups) init_errmessage(); /* Read error messages from file */ lex_init(); item_init(); + set_var_init(); mysys_uses_curses=0; #ifdef USE_REGEX regex_init(); @@ -452,12 +445,13 @@ int STDCALL mysql_server_init(int argc, char **argv, char **groups) } /* - ** We have enough space for fiddling with the argv, continue + We have enough space for fiddling with the argv, continue */ umask(((~my_umask) & 0666)); table_cache_init(); hostname_cache_init(); - /*sql_cache_init();*/ + query_cache_result_size_limit(query_cache_limit); + query_cache_resize(query_cache_size); randominit(&sql_rand,(ulong) start_time,(ulong) start_time/2); reset_floating_point_exceptions(); init_thr_lock(); @@ -472,20 +466,6 @@ int STDCALL mysql_server_init(int argc, char **argv, char **groups) LOG_NEW); using_update_log=1; } - if (opt_bin_log) - { - if (!opt_bin_logname) - { - char tmp[FN_REFLEN]; - strmake(tmp,glob_hostname,FN_REFLEN-5); - strmov(strcend(tmp,'.'),"-bin"); - opt_bin_logname=my_strdup(tmp,MYF(MY_WME)); - } - mysql_bin_log.set_index_file_name(opt_binlog_index_name); - open_log(&mysql_bin_log, glob_hostname, opt_bin_logname, "-bin", - LOG_BIN); - using_update_log=1; - } if (opt_slow_log) open_log(&mysql_slow_log, glob_hostname, opt_slow_logname, "-slow.log", @@ -496,10 +476,9 @@ int STDCALL mysql_server_init(int argc, char **argv, char **groups) exit(1); } ha_key_cache(); -#ifdef HAVE_MLOCKALL +#if defined(HAVE_MLOCKALL) && defined(MCL_CURRENT) if (locked_in_memory && !geteuid()) { - ha_key_cache(); if (mlockall(MCL_CURRENT)) { sql_print_error("Warning: Failed to lock memory. Errno: %d\n",errno); @@ -513,7 +492,7 @@ int STDCALL mysql_server_init(int argc, char **argv, char **groups) if (opt_myisam_log) (void) mi_log( 1 ); - ft_init_stopwords(ft_precompiled_stopwords); /* SerG */ + ft_init_stopwords(ft_precompiled_stopwords); /* init signals & alarm @@ -532,12 +511,33 @@ int STDCALL mysql_server_init(int argc, char **argv, char **groups) mysql_server_end(); return 1; } + if (!opt_noacl) + (void) grant_init(); + init_max_user_conn(); #ifdef HAVE_DLOPEN if (!opt_noacl) udf_init(); #endif + if (opt_bin_log) + { + if (!opt_bin_logname) + { + char tmp[FN_REFLEN]; + /* TODO: The following should be using fn_format(); We just need to + first change fn_format() to cut the file name if it's too long. + */ + strmake(tmp,glob_hostname,FN_REFLEN-5); + strmov(strcend(tmp,'.'),"-bin"); + opt_bin_logname=my_strdup(tmp,MYF(MY_WME)); + } + mysql_bin_log.set_index_file_name(opt_binlog_index_name); + open_log(&mysql_bin_log, glob_hostname, opt_bin_logname, "-bin", + LOG_BIN); + using_update_log=1; + } + (void) thr_setconcurrency(concurrency); // 10 by default if ( @@ -548,12 +548,12 @@ int STDCALL mysql_server_init(int argc, char **argv, char **groups) { pthread_t hThread; if (pthread_create(&hThread,&connection_attrib,handle_manager,0)) - { sql_print_error("Warning: Can't create thread to manage maintenance"); - mysql_server_end(); - return 1; - } } + + /* Update mysqld variables from client variables */ + global_system_variables.max_allowed_packet=max_allowed_packet; + global_system_variables.net_buffer_length=net_buffer_length; return 0; } |