remove conn of iscsid

iscsid_mgmt_ipc.c

static mgmt_ipc_err_e
mgmt_ipc_conn_remove(queue_task_t *qtask)
{
    int sid = -1, cid = -1;
    iscsi_session_t *session;
    iscsi_conn_t *conn;
    int err = MGMT_IPC_OK;
    
    sid = qtask->req.u.conn.sid;
    cid = qtask->req.u.conn.cid;
    session = session_find_by_sid(sid);
    if (NULL == session) {
        err = MGMT_IPC_ERR;
        log_error("session not found,sid:%d cid:%d\n", 
                sid, cid);
        goto out;
    }
    if (cid >= ISCSI_CONN_MAX) {
        err = MGMT_IPC_ERR;
        log_error("cid invalid,sid:%d cid:%d\n", 
                sid, cid);
        goto out;
    }
    conn = &session->conn[cid];
    if (NULL == conn) {
        err = MGMT_IPC_ERR;
        log_error("conn not found,sid:%d cid:%d\n",
                sid, cid);
        goto out;
    }
    if (conn->socket_fd == -1) {
        err = MGMT_IPC_ERR;
        log_error("socket_fd:%d sid:%d cid:%d\n",
                conn->socket_fd, sid, cid);
        goto out;
    }
//    if (MGMT_IPC_OK != session_conn_shutdown(conn, NULL, MGMT_IPC_OK)) {
//        err = MGMT_IPC_ERR;
//        log_error("session_conn_shutdown error,socket_fd:%d sid:%d cid:%d\n",
//                conn->socket_fd, sid, cid);
//        goto out;
//    }
    if (ipc->stop_conn(session->t->handle, session->id,
                        conn->id, STOP_CONN_TERM)) {
        err = MGMT_IPC_ERR_INTERNAL;
        log_error("can't stop connection %d:%d (%d)",
                    session->id, conn->id, errno);
        goto out;
    }
    if (0 != close(conn->socket_fd)) {
        err = MGMT_IPC_ERR;
        log_error("close socket error,errno:%d socket_fd:%d sid:%d cid:%d\n", 
                errno, conn->socket_fd, sid, cid);
        goto out;
    }
    log_debug("close socket ok,socket_fd:%d sid:%d cid:%d\n",
            conn->socket_fd, sid, cid);
    conn->socket_fd = -1;

out:
    mgmt_ipc_write_rsp(qtask, err);
    return MGMT_IPC_OK;
}