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database.c
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database.c
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/epoll.h>
#include "database.h"
#include "log.h"
#include "list.h"
int efd;
#if 0
void insert_db_list(struct mysql_poll *entry, struct mysql_info *mi)
{
if (mi->list == NULL) {
mi->list = entry;
}
entry->next = mi->list;
mi->list = entry;
}
#endif
void init_db_connection(struct mysql_info *mi)
{
struct mysql_poll *poll;
if ((poll = calloc(1, sizeof(struct mysql_poll))) == NULL) {
logg("[init_db_connection]failed to alloc struct mysql_poll");
}
insert_list(mi->list, poll);
if ((mi->list->my = mysql_init(NULL)) == NULL) {
logg("[init_db_connection]mysql_init error");
}
if (mysql_real_connect(mi->list->my, mi->host, mi->user, mi->passwd,
mi->name, 0, mi->u_socket, 0) == NULL) {
logg("[init_db_connection]mysql_real_connect:%s", mysql_error(mi->list->my));
mysql_close(mi->list->my);
}
}
void db_close(MYSQL *m)
{
if (m)
mysql_close(m);
}
int reconnect(struct mysql_info *mi)
{
MYSQL *m = mi->list->my;
if (m) {
mysql_close(m);
m = NULL;
}
if ((m = mysql_init(NULL)) == NULL) {
logg("[reconnect]mysql_init error");
return -1;
}
if (mysql_real_connect(m, mi->host, mi->user, mi->passwd,
mi->name, 0, mi->u_socket, 0) == NULL) {
logg("[reconnect]mysql_real_connect:%s", mysql_error(mi->list->my));
mysql_close(mi->list->my);
m = NULL;
return -1;
}
return 1;
}
void deal_db_return(struct mysql_info *minfo)
{
MYSQL *my;
my = minfo->list->my;
if (mysql_read_query_result(my) != 0) {
logg("[deal_db_return]mysql_query:%s", mysql_error(my));
if (mysql_errno(my) == CR_SERVER_GONE_ERROR) {
mysql_close(my);
my = NULL;
}
}
minfo->list->used = 0;
}
int db_insert(struct push *p)
{
char escaped[SEND_BUF_SIZE * 2 + 1];
struct mysql_poll *mp;
struct epoll_event ev;
MYSQL *my;
mp = p->m_info->list;
while (mp) {
if (mp->used == 0)
break;
mp = mp->next;
}
if (mp == NULL) {
if ((mp = calloc(1, sizeof(struct mysql_poll))) == NULL) {
logg("[init_db_connection]failed to alloc struct mysql_poll");
}
insert_list(p->m_info->list, mp);
if ((mp->my = mysql_init(NULL)) == NULL) {
logg("[init_db_connection]mysql_init error");
}
if (mysql_real_connect(mp->my,
p->m_info->host,
p->m_info->user,
p->m_info->passwd,
p->m_info->name, 0,
p->m_info->u_socket, 0) == NULL) {
logg("[init_db_connection]mysql_real_connect:%s", mysql_error(mp->my));
mysql_close(mp->my);
}
}
my = mp->my;
mysql_real_escape_string(my, escaped, p->mysql_buf.buf, SEND_BUF_SIZE);
if (my != NULL) {
mysql_send_query(my, escaped, strlen(escaped));
ev.events = EPOLLIN|EPOLLOUT|EPOLLET|EPOLLONESHOT;
ev.data.ptr = p->m_info;
epoll_ctl(efd, EPOLL_CTL_ADD, my->net.fd, &ev);
mp->used = 1;
}
return 1;
}