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