a68570b5d9
1. Add computing offloading code 2. Add script.md 3. Add virsh_demo.xml Change-Id: Id9ef883e2f0eb727eb5448b9d1c47767f46b1021 Signed-off-by: Yikun Jiang <yikunkero@gmail.com>
82 lines
2.7 KiB
C
82 lines
2.7 KiB
C
/******************************************************************************
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* Copyright (c) Huawei Technologies Co., Ltd. 2023. All rights reserved.
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* qtfs licensed under the Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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* http://license.coscl.org.cn/MulanPSL2
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
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* PURPOSE.
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* See the Mulan PSL v2 for more details.
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* Author: Liqiang
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* Create: 2023-03-20
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* Description:
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*******************************************************************************/
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#ifndef __QTFS_UDS_EVENT_H__
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#define __QTFS_UDS_EVENT_H__
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#define UDS_EVENT_BUFLEN 4096
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#define UDS_PATH_MAX 1024
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#define UDS_EVENT_WAIT_TMOUT 5 // 5s timeout
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enum EVENT_RETCODE {
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EVENT_OK = 0,
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EVENT_ERR = -1,
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EVENT_DEL = -2, // del this event after return
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};
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enum TCP2TCP_TYPE {
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MSG_NORMAL = 0xa5a5, // 消息类型从特殊数字开始，防止误识别消息
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MSG_SCM_RIGHTS,
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MSG_SCM_CREDENTIALS, // unix domain 扩展消息，预留
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MSG_SCM_SECURITY, // unix domain 扩展消息，预留
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MSG_GET_TARGET, // 控制消息，用于获取对端的target fd
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MSG_SCM_PIPE, // 使用SCM传递了一个pipe
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MSG_END, // tcp消息的结束体
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};
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enum TCPCNTL_TYPE {
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MSGCNTL_UDS = 1, // uds代理模式
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MSGCNTL_PIPE, // pipe匿名管道代理模式
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};
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// 因为要区分SCM_RIGHTS和普通消息，TCP到TCP需要有一个协议头
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struct uds_tcp2tcp {
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int msgtype;
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int msglen; // len of data
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char data[0];
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};
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struct uds_msg_scmrights {
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int flags; // open flags
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char path[UDS_PATH_MAX];
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};
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enum {
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SCM_PIPE_READ = 0,
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SCM_PIPE_WRITE,
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SCM_PIPE_NUM,
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};
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struct uds_stru_scm_pipe {
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int dir; // 0: send read filedes; 1: send write filedes
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// proxy通过scm rights接收到员pipe fd，后面消息回来时事件
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// 会发生变化，所以需要回消息时带上，才能建立关联
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int srcfd;
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};
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int uds_event_uds_listener(void *arg, int epfd, struct uds_event_global_var *p_event_var);
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int uds_event_tcp_listener(void *arg, int epfd, struct uds_event_global_var *p_event_var);
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int uds_event_diag_info(void *arg, int epfd, struct uds_event_global_var *p_event_var);
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int uds_event_debug_level(void *arg, int epfd, struct uds_event_global_var *p_event_var);
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int uds_event_pre_handler(struct uds_event *evt);
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int uds_event_pre_hook(struct uds_event_global_var *p_event_var);
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int uds_event_post_hook(struct uds_event_global_var *p_event_var);
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int uds_event_module_init(struct uds_event_global_var *p_event_var);
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void uds_event_module_fini(struct uds_event_global_var *p);
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#endif
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