int PlatDbAccess::exec_trans(const vector<string>& sqls, int & last_insert_id
, int & affected_rows, unsigned int uin)
{
int index = get_conn_index(uin);
ACE_Guard<ACE_Thread_Mutex> guard(db_conn_lock_[index]);
// 标识是否在使用 如果不使用了 请注意清理
db_conn_flag_[index] = 1;
ACE_DEBUG((LM_TRACE, "[%D] PlatDbAccess exec_trans sql vec size=%d,conn index=%d\n", sqls.size(), index));
PlatDbConn* db_conn = get_db_conn(index);
if (db_conn == NULL)
{
ACE_DEBUG((LM_ERROR, "[%D] PlatDbAccess get db conn failed\n"));
db_conn_flag_[index] = 0;
return -1;
}
int ret = 0;
ret = db_conn->exec_trans(sqls, last_insert_id, affected_rows);
if (ret != 0)
{
ACE_DEBUG((LM_ERROR, "[%D] PlatDbAccess exec_trans failed,%s\n", db_conn->get_err_msg() ));
if(ret == -1) // -1 表示服务器连接断开
{
ret = db_conn->exec_trans(sqls, last_insert_id, affected_rows);
if(ret == -1) //重连还失败，清理这个连接对象
{
fini(index);
}
}
}
db_conn_flag_[index] = 0;
return stat_return(ret);
}
int PlatDbAccess::exec_multi_query(const char* sql, vector<MYSQL_RES*>& result_set_list
, unsigned int uin)
{
int index = get_conn_index(uin);
ACE_Guard<ACE_Thread_Mutex> guard(db_conn_lock_[index]);
// 标识是否在使用 如果不使用了 请注意清理
db_conn_flag_[index] = 1; // 1表示正在使用
ACE_DEBUG(( LM_TRACE, "[%D] PlatDbAccess exec query sql=%s\n", sql ));
PlatDbConn* db_conn = get_db_conn(index);
if (db_conn == NULL)
{
ACE_DEBUG((LM_ERROR, "[%D] PlatDbAccess get db conn failed\n"));
db_conn_flag_[index] = 0;
return -1;
}
int ret = 0;
ret = db_conn->exec_multi_query(sql, result_set_list);
if (ret != 0)
{
ACE_DEBUG((LM_ERROR, "[%D] PlatDbAccess exec query failed,idx=%d,%s\n"
, index, db_conn->get_err_msg() ));
if(ret == -1) // -1 表示服务器连接断开，尝试重连 try again
{
ret = db_conn->exec_multi_query(sql, result_set_list);
if(ret == -1) //重连还失败，清理这个连接对象
{
fini(index);
}
}
}
db_conn_flag_[index] = 0;
return stat_return(ret);
}
//使用的时候连接状态db_conn_flag_ 设置为 1 使用完设置为 0
//线程和连接绑定的时候不受此变量影响
int PlatDbAccess::exec_update(const char* sql, int& last_insert_id
, int& affected_rows, unsigned int uin)
{
int index = get_conn_index(uin);
ACE_Guard<ACE_Thread_Mutex> guard(db_conn_lock_[index]);
// 标识是否在使用 如果不使用了 请注意清理
db_conn_flag_[index] = 1;
ACE_DEBUG((LM_TRACE, "[%D] PlatDbAccess exec update sql=%s,conn index=%d\n", sql, index));
PlatDbConn* db_conn = get_db_conn(index);
if (db_conn == NULL)
{
ACE_DEBUG((LM_ERROR, "[%D] PlatDbAccess get db conn failed\n"));
db_conn_flag_[index] = 0;
return -1;
}
int ret = 0;
ret = db_conn->exec_update(sql, last_insert_id, affected_rows);
if (ret != 0)
{
ACE_DEBUG((LM_ERROR, "[%D] PlatDbAccess exec update failed,ret=%d,%s,try again\n"
, ret, db_conn->get_err_msg() ));
if(ret == -1) // -1 表示服务器连接断开，尝试重连 try again
{
ret = db_conn->exec_update(sql, last_insert_id, affected_rows);
if(ret == -1) //重连还失败，清理这个连接对象
{
fini(index);
}
}
}
db_conn_flag_[index] = 0;
return stat_return(ret);
}
static uint32 _srv_SMBtcon_NT1(PSESS_HND sess_hnd, uint16 *conn_tid,
Q_TCON_ANDX_4 *q4,
Q_TCON_ANDX_D_4 *qd4,
R_TCON_ANDX_3 *r3,
R_TCON_ANDX_D_3 *rd3)
{
PCONN_HND conn_hnd = NULL;
int snum = -1;
SMBSTR *dir_path = NULL;
const char *path = smbstrA(&qd4->path);
const char *dev = smbstrA(&qd4->device);
char *service;
struct vfs_connection_struct *vfs_conn;
struct smb_connection_struct *conn;
BOOL is_ipc;
BOOL is_print;
uint32 err = NT_STATUS_NOPROBLEMO;
conn_hnd = find_conn_hnd_by_index(sess_hnd, *conn_tid);
if (conn_hnd != NULL)
{
DEBUG(10,("close connection %d\n", *conn_tid));
conn_close_hnd(conn_hnd);
}
if (path == NULL || dev == NULL)
return ERRDOS|ERRnosuchshare;
DEBUG(10,("path: [%s] device: [%s]\n", path, dev));
service = strchr(path+2, '\\') + 1;
snum = lp_servicenumber(service);
if (snum < 0)
{
err = ERRDOS|ERRnosuchshare;
goto end;
}
if (!create_conn_hnd(sess_hnd, &conn_hnd, NULL) ||
conn_hnd == NULL ||
!get_conn_index(conn_hnd, conn_tid))
{
err = NT_STATUS_INVALID_HANDLE;
goto end;
}
is_ipc = strequal(dev, "IPC") || strequal(service, "IPC$");
is_print = strequal(dev, "LPT:");
vfs_conn = g_new(struct vfs_connection_struct, 1);
if (vfs_conn == NULL)
{
err = NT_STATUS_NO_MEMORY;
goto end;
}
conn = g_new(struct smb_connection_struct, 1);
if (conn == NULL)
{
err = NT_STATUS_NO_MEMORY;
goto end;
}
if (is_ipc)
{
rd3->service = "IPC";
smbstr_initA(&rd3->nativefs, "", 0);
dir_path = NULL;
vfs_init_ipc(vfs_conn, snum);
smbvfs_init_ipc(conn, snum);
}
else if (is_print)
{
rd3->service = "LPT:";
smbstr_initA(&rd3->nativefs, "", 0);
dir_path = smbstr_setA("", 0);
vfs_init_print(vfs_conn, snum);
smbvfs_init_print(conn, snum);
}
else
{
rd3->service = "A:";
smbstr_initA(&rd3->nativefs, lp_fstype(snum), 0);
dir_path = smbstr_setA(lp_pathname(snum), 0);
vfs_init_fs(vfs_conn, snum);
smbvfs_init_fs(conn, snum);
}
vfs_conn->connectpath = smbstr_dup(dir_path);
if (!set_conn_info(conn_hnd, vfs_conn, conn,
smbstr_dup(&qd4->path), dir_path))
{
err = NT_STATUS_INVALID_HANDLE;
goto end;
}
DEBUG(10,("service: [%s] snum: [%d] tid: [%d]\n",
dir_path ? smbstrA(dir_path) : "",
snum, *conn_tid));
end:
if (err)
{
DEBUG(10,("error:[%x]\n", err));
conn_close_hnd(conn_hnd);
}
return err;
}
