diff options
Diffstat (limited to 'plugin/proc_info/proc_info.cc')
-rw-r--r-- | plugin/proc_info/proc_info.cc | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/plugin/proc_info/proc_info.cc b/plugin/proc_info/proc_info.cc new file mode 100644 index 00000000000..1ad867f27b4 --- /dev/null +++ b/plugin/proc_info/proc_info.cc @@ -0,0 +1,76 @@ +#include <my_global.h> +#include <table.h> +#include <sql_show.h> +#include <sql_class.h> +#include <mysql/plugin.h> + + +static ST_FIELD_INFO fields[]= +{ + { "NAME", 100, MYSQL_TYPE_STRING, 0, 0, 0, SKIP_OPEN_TABLE }, + { "VALUE", 21, MYSQL_TYPE_LONG, 0, MY_I_S_UNSIGNED, 0, SKIP_OPEN_TABLE }, + { 0, 0, MYSQL_TYPE_STRING, 0, 0, 0, 0 } +}; + + +static int fill(MYSQL_THD thd, TABLE_LIST *tables, COND *cond) +{ + TABLE *table= tables->table; + char name[1024]; + unsigned long value; + FILE *fp; + int res; + + if (!(fp= fopen("/proc/meminfo", "r"))) + return 1; + + while ((res= fscanf(fp, "%[^:]: %lu kB\n", name, &value)) != EOF) + { + if (res != 2) + continue; + table->field[0]->store(name, strlen(name), system_charset_info); + table->field[1]->store(value); + if (schema_table_store_record(thd, table)) + { + fclose(fp); + return 1; + } + } + fclose(fp); + + return 0; +} + + +static int init(void *p) +{ + ST_SCHEMA_TABLE *schema= (ST_SCHEMA_TABLE *) p; + + schema->fields_info= fields; + schema->fill_table= fill; + + return 0; +} + + +static struct st_mysql_information_schema plugin= +{ MYSQL_INFORMATION_SCHEMA_INTERFACE_VERSION }; + + +maria_declare_plugin(proc_info) +{ + MYSQL_INFORMATION_SCHEMA_PLUGIN, /* type */ + &plugin, /* information schema */ + "PROC_MEMINFO", /* name */ + "" , /* author */ + "Useful information from /proc", /* description */ + PLUGIN_LICENSE_BSD, /* license */ + init, /* init callback */ + 0, /* deinit callback */ + 0x0100, /* version as hex */ + NULL, /* status variables */ + NULL, /* system variables */ + "1.0", /* version as a string */ + MariaDB_PLUGIN_MATURITY_EXPERIMENTAL +} +maria_declare_plugin_end; |