static int
exec_builtin(SQL *conn, History *hist, char *query)
{
(void) conn;
(void) hist;
if(!strncmp(query, "\\q", 2))
{
exit(EXIT_SUCCESS);
}
if(!strncmp(query, "\\c", 2))
{
query += 2;
while(isspace(*query)) query++;
if(!*query)
{
printf("[08000] Specify \"\\c URI\" to establish a new connection\n");
return -1;
}
conn = sql_connect(query);
if(!conn)
{
printf("[%s] %s\n", sql_sqlstate(NULL), sql_error(NULL));
return -1;
}
if(sql_conn)
{
sql_disconnect(sql_conn);
}
sql_conn = conn;
return 0;
}
printf("[42000] Unknown command '%s'\n", query);
return -1;
}
int main(int arg, char *args[])
{
sql_connect(&mysql, &conn);
//如果没有参数，main函数返回
if(arg < 2)
{
printf("usage:myserver port\n");
return EXIT_FAILURE;
}
//setdaemon();
//将第一个参数转化为整数
int iport = atoi(args[1]);
if(iport == 0)
{
printf("port %d is invalid\n", iport);
return EXIT_FAILURE;
}
int st = socket_create(iport);
socket_accept(st);
sql_disconnect(conn);
close(st);
printf("myhttp is end\n");
return 0;
}
void db_sql_unref(struct sql_connection **_conn)
{
struct sql_connection *conn = *_conn;
/* abort all pending auth requests before setting conn to NULL,
so that callbacks can still access it */
sql_disconnect(conn->db);
*_conn = NULL;
if (--conn->refcount > 0)
return;
sql_deinit(&conn->db);
pool_unref(&conn->pool);
}
void sql_destroy(void)
{
sql_result_t *r;
sql_result_t *r0;
sql_disconnect();
r=_sql_result_root;
while(r)
{
r0 = r->next;
sql_reset_result(r);
pkg_free(r);
r = r0;
}
}