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#include "splugin.h"
using namespace std;
/*
Table data structures and fill functions
*/
static ST_FIELD_INFO os_nwif_schema[]=
{
{"NAME", 16, MYSQL_TYPE_VARCHAR, 0, 0, "Name"},
{"TYPE", 64, MYSQL_TYPE_VARCHAR, 0, 0, "Type"},
{"DESCRIPTION", 256, MYSQL_TYPE_VARCHAR, 0, 0, "Desc"},
{"MAC_ADDRESS", SP_MAC_ADDR_LENGTH, MYSQL_TYPE_VARCHAR, 0, 0, "Mac_addr"},
{"IP_ADDRESS", SP_INET_ADDR_LENGTH, MYSQL_TYPE_VARCHAR, 0, 0, "Ip_addr"},
{"DESTINATION", SP_INET_ADDR_LENGTH, MYSQL_TYPE_VARCHAR, 0, 0, "Dest"},
{"BROADCAST", SP_INET_ADDR_LENGTH, MYSQL_TYPE_VARCHAR, 0, 0, "Broadcast"},
{"NETMASK", SP_INET_ADDR_LENGTH, MYSQL_TYPE_VARCHAR, 0, 0, "Netmask"},
{"FLAGS", SP_ANY_INT64_LENGTH, MYSQL_TYPE_LONGLONG, 0, MY_I_S_UNSIGNED,
"Flags"},
{"MTU", SP_ANY_INT64_LENGTH, MYSQL_TYPE_LONGLONG, 0, MY_I_S_UNSIGNED,
"Mtu"},
{"METRICS", SP_ANY_INT64_LENGTH, MYSQL_TYPE_LONGLONG, 0, MY_I_S_UNSIGNED,
"Metrics"},
{0, 0, MYSQL_TYPE_NULL, 0, 0, 0}
};
/*
Transform internet address into human readable form. Address
could be one of the following: MAC, IPv4 or undefined.
*/
static char* inet_addr_to_str(sigar_net_address_t *net_addr)
{
char *A, *B, *C, *D;
char *str_addr;
sigar_uint32_t addr= net_addr->addr.in;
unsigned char *mac= &net_addr->addr.mac[0];
switch (net_addr->family){
case SIGAR_AF_INET:
asprintf(&D, SP_UINT32, addr >> 24);
asprintf(&C, SP_UINT32, (addr << 8) >> 24);
asprintf(&B, SP_UINT32, (addr << 16) >> 24);
asprintf(&A, SP_UINT32, (addr << 24) >> 24);
asprintf(&str_addr, "%s.%s.%s.%s", A, B, C, D);
return str_addr;
case SIGAR_AF_LINK:
asprintf(&str_addr, "%02X:%02X:%02X:%02X:%02X:%02X", (mac[0] & 0xff),
(mac[1] & 0xff), (mac[2] & 0xff), (mac[3] & 0xff), (mac[4] & 0xff),
(mac[5] & 0xff));
return str_addr;
default:
asprintf(&str_addr, "%s", "UNDEFINED");
return str_addr;
}
}
int os_nwif_fill_table(THD *thd, TABLE_LIST *tables, COND *cond)
{
DBUG_ENTER("nwif_plugin_fill_table");
CHARSET_INFO *scs= system_charset_info;
TABLE *table= tables->table;
int error= 0;
SP_RETURN_TYPE return_code;
size_t i;
char *inet_address;
/* init sigar */
sigar_t *t;
return_code= sigar_open(&t);
if (return_code == SIGAR_OK)
{
/* get data on each nw interface */
sigar_net_interface_list_t iflist;
return_code= sigar_net_interface_list_get(t, &iflist);
if (return_code == SIGAR_OK)
{
for (i = 0; i < iflist.number; i++)
{
sigar_net_interface_config_t *ifconfig;
ifconfig= (sigar_net_interface_config_t*)
malloc(sizeof(sigar_net_interface_config_t));
return_code= sigar_net_interface_config_get(t, iflist.data[i],
ifconfig);
//inet_address= (char*) malloc(SIGAR_INET6_ADDRSTRLEN);
if (return_code == SIGAR_OK)
{
table->field[0]->store(ifconfig->name, strlen(ifconfig->name), scs);
table->field[1]->store(ifconfig->type, strlen(ifconfig->type), scs);
table->field[2]->store(ifconfig->description,
strlen(ifconfig->description), scs);
/* convert mac && ip addresses to string */
inet_address= inet_addr_to_str(&ifconfig->hwaddr);
table->field[3]->store(inet_address, strlen(inet_address), scs);
inet_address= inet_addr_to_str(&ifconfig->address);
table->field[4]->store(inet_address, strlen(inet_address), scs);
inet_address= inet_addr_to_str(&ifconfig->destination);
table->field[5]->store(inet_address, strlen(inet_address), scs);
inet_address= inet_addr_to_str(&ifconfig->broadcast);
table->field[6]->store(inet_address, strlen(inet_address), scs);
inet_address= inet_addr_to_str(&ifconfig->netmask);
table->field[7]->store(inet_address, strlen(inet_address), scs);
table->field[8]->store(ifconfig->flags, SP_UNSIGNED);
table->field[9]->store(ifconfig->mtu, SP_UNSIGNED);
table->field[10]->store(ifconfig->metric, SP_UNSIGNED);
}
else
{
sql_print_warning("OS_NETWORK_INTERFACES: Couldn't fetch data for %s",
iflist.data[i]);
}
error= error | schema_table_store_record(thd, table);
free(ifconfig);
}
sigar_net_interface_list_destroy(t, &iflist);
}
else
{
my_error(ER_SP_FETCH_NO_DATA, MYF(0));
}
/* deinit sigar */
sigar_close(t);
}
else
{
my_error(ER_SP_FETCH_NO_DATA, MYF(0));
}
DBUG_RETURN(error);
}
/*
Plugin init and deinit functions
*/
static int os_nwif_plugin_init(void *p)
{
DBUG_ENTER("init_nwif_plugin");
ST_SCHEMA_TABLE *schema= (ST_SCHEMA_TABLE *)p;
schema->fields_info= os_nwif_schema;
schema->fill_table= os_nwif_fill_table;
DBUG_RETURN(0);
}
static int os_nwif_plugin_deinit(void *p)
{
DBUG_ENTER("deinit_nwif_plugin");
DBUG_RETURN(0);
}
struct st_mysql_information_schema os_nwif_plugin=
{ MYSQL_INFORMATION_SCHEMA_INTERFACE_VERSION };
struct st_mysql_plugin os_nwif=
{
MYSQL_INFORMATION_SCHEMA_PLUGIN,
&os_nwif_plugin,
"OS_NETWORK_INTERFACES",
SP_AUTHOR,
"SIGAR Network Interfaces.",
PLUGIN_LICENSE_GPL,
os_nwif_plugin_init,
os_nwif_plugin_deinit,
SP_MAJOR_VERSION | SP_MINOR_VERSION,
NULL,
NULL,
NULL
};
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