eXosip中Event事件学习笔记

SIP Method

1. REGISTER
2. OPTIONS
3. INVITE
4. PUBLISH
5. SUBSCRIBE
6. MESSAGE
7. NOTIFY
8. ACK
9. BYE
10. CANCEL

eXosip_event_type_t 事件类型枚举

Evnet	Explain	method	type	translate
EXOSIP_REGISTRATION_SUCCESS	user is successfully registred.	REGISTER	Response	收到上级平台的 2xx 注册成功
EXOSIP_REGISTRATION_FAILURE	user is not registred.	REGISTER	Response	收到上级平台的 3456xx 注册失败
EXOSIP_CALL_INVITE	announce a new call	INVITE	Request	收到上级平台发送的INVITE请求
EXOSIP_CALL_REINVITE	announce a new INVITE within call	INVITE	Request	GB28181无多方通话，所以无此情况
EXOSIP_CALL_NOANSWER	announce no answer within the timeout	NONE(INVITE)	Event	向下级平台发送的INVITE请求 无响应
EXOSIP_CALL_PROCEEDING	announce processing by a remote app	INVITE	Response	向下级平台发送的INVITE请求 1xx 响应
EXOSIP_CALL_RINGING	announce ringback	INVITE	Response	向下级平台发送的INVITE请求 INVITE 1xx 响应
EXOSIP_CALL_ANSWERED	announce start of call	INVITE	Response	向下级平台发送的INVITE请求 INVITE 2xx 响应
EXOSIP_CALL_REDIRECTED	announce a redirection	INVITE	Response	向下级平台发送的INVITE请求 INVITE 3xx 响应
EXOSIP_CALL_REQUESTFAILURE	announce a request failure	INVITE	Response	向下级平台发送的INVITE请求 INVITE 4xx 响应
EXOSIP_CALL_SERVERFAILURE	announce a server failure	INVITE	Response	向下级平台发送的INVITE请求 INVITE 5xx 响应
EXOSIP_CALL_GLOBALFAILURE	announce a global failure	INVITE	Response	向下级平台发送的INVITE请求 INVITE 6xx 响应
EXOSIP_CALL_ACK	ACK received for 200ok to INVITE	ACK	Request	收到下级平台发送的ACK请求
EXOSIP_CALL_CANCELLED	announce that call has been cancelled	NONE	Event	GB28181无多方通话，所以无此情况
EXOSIP_CALL_MESSAGE_NEW	announce new incoming request.	MESSAGE,BYE,…	Request	收到上级发送的MESSAGE消息(会话中)
EXOSIP_CALL_MESSAGE_PROCEEDING	announce a 1xx for request.	MESSAGE	Response	向下级平台发送的MESSAGE请求(会话中) 1xx 响应
EXOSIP_CALL_MESSAGE_ANSWERED	announce a 200ok	MESSAGE	Response	向下级平台发送的MESSAGE请求(会话中) 2xx 响应
EXOSIP_CALL_MESSAGE_REDIRECTED	announce a failure.	MESSAGE	Response	向下级平台发送的MESSAGE请求(会话中) 3xx 响应
EXOSIP_CALL_MESSAGE_REQUESTFAILURE	announce a failure.	MESSAGE	Response	向下级平台发送的MESSAGE请求(会话中) 4xx 响应
EXOSIP_CALL_MESSAGE_SERVERFAILURE	announce a failure.	MESSAGE	Response	向下级平台发送的MESSAGE请求(会话中) 5xx 响应
EXOSIP_CALL_MESSAGE_GLOBALFAILURE	announce a failure.	MESSAGE	Response	向下级平台发送的MESSAGE请求(会话中) 6xx 响应
EXOSIP_CALL_CLOSED	a BYE was received for this call	BYE	Request	收到上级或者下级发送的BYE请求
EXOSIP_CALL_RELEASED	call context is cleared.	NONE	Event	会话释放
EXOSIP_MESSAGE_NEW	announce new incoming request.	MESSAGE,REGISTER,NOTIFY	Request	收到上级或者下级发送的MESSAGE消息
EXOSIP_MESSAGE_PROCEEDING	announce a 1xx for request.	MESSAGE	Response	向上级或者下级发送的MESSAGE请求 1xx 响应
EXOSIP_MESSAGE_ANSWERED	announce a 200ok	MESSAGE	Response	向上级或者下级发送的MESSAGE请求 2xx 响应
EXOSIP_MESSAGE_REDIRECTED	announce a failure.	MESSAGE	Response	向上级或者下级发送的MESSAGE请求 3xx 响应
EXOSIP_MESSAGE_REQUESTFAILURE	announce a failure.	MESSAGE	Response	向上级或者下级发送的MESSAGE请求 4xx 响应
EXOSIP_MESSAGE_SERVERFAILURE	announce a failure.	MESSAGE	Response	向上级或者下级发送的MESSAGE请求 5xx 响应
EXOSIP_MESSAGE_GLOBALFAILURE	announce a failure.	MESSAGE	Response	向上级或者下级发送的MESSAGE请求 6xx 响应
EXOSIP_SUBSCRIPTION_NOANSWER	announce no answer	NONE(SUBSCRIPTION)	Event	向下级平台发送的SUBSCRIBE/REFER请求 无响应
EXOSIP_SUBSCRIPTION_PROCEEDING	announce a 1xx	SUBSCRIPTION	Response	向下级平台发送的SUBSCRIBE/REFER请求 1xx 响应
EXOSIP_SUBSCRIPTION_ANSWERED	announce a 200ok	SUBSCRIPTION	Response	向下级平台发送的SUBSCRIBE/REFER请求 2xx 响应
EXOSIP_SUBSCRIPTION_REDIRECTED	announce a redirection	SUBSCRIPTION	Response	向下级平台发送的SUBSCRIBE/REFER请求 3xx 响应
EXOSIP_SUBSCRIPTION_REQUESTFAILURE	announce a request failure	SUBSCRIPTION	Response	向下级平台发送的SUBSCRIBE/REFER请求 4xx 响应
EXOSIP_SUBSCRIPTION_SERVERFAILURE	announce a server failure	SUBSCRIPTION	Response	向下级平台发送的SUBSCRIBE/REFER请求 5xx 响应
EXOSIP_SUBSCRIPTION_GLOBALFAILURE	announce a global failure	SUBSCRIPTION	Response	向下级平台发送的SUBSCRIBE/REFER请求 6xx 响应
EXOSIP_SUBSCRIPTION_NOTIFY	announce new NOTIFY request	NOTIFY	Request	收到下级平台发送的NOTIFY请求
EXOSIP_IN_SUBSCRIPTION_NEW	announce new incoming SUBSCRIBE/REFER.	SUBSCRIBE	Request	收到上级平台发送的SUBSCRIBE/REFER请求
EXOSIP_NOTIFICATION_NOANSWER	announce no answer	NONE(NOTIFY)	Event	向上级平台发送的Notify请求 无响应
EXOSIP_NOTIFICATION_PROCEEDING	announce a 1xx	NOTIFY	Response	向上级平台发送的Notify请求 1xx 响应
EXOSIP_NOTIFICATION_ANSWERED	announce a 200ok	NOTIFY	Response	向上级平台发送的Notify请求 2xx 响应
EXOSIP_NOTIFICATION_REDIRECTED	announce a redirection	NOTIFY	Response	向上级平台发送的Notify请求 3xx 响应
EXOSIP_NOTIFICATION_REQUESTFAILURE	announce a request failure	NOTIFY	Response	向上级平台发送的Notify请求 4xx 响应
EXOSIP_NOTIFICATION_SERVERFAILURE	announce a server failure	NOTIFY	Response	向上级平台发送的Notify请求 5xx 响应
EXOSIP_NOTIFICATION_GLOBALFAILURE	announce a global failure	NOTIFY	Response	向上级平台发送的Notify请求 6xx 响应
EXOSIP_EVENT_COUNT	MAX number of events	NONE	None	事件最大值

eXosip_event_t 结构体

struct eXosip_event {
    eXosip_event_type_t type;               /**< type of the event 事件的类型 */
    char textinfo[256];                     /**< text description of event 事件描述 */
    void *external_reference;               /**< external reference (for calls) 扩展参考信息（针对于通话）  */

    osip_message_t *request;       /**< request within current transaction 当前事务的REQ */
    osip_message_t *response;      /**< last response within current transaction 当前事务的最后一个RES（最终相应前面可能存在1xx相应） */
    osip_message_t *ack;           /**< ack within current transaction 当前事务的ACK*/

    int tid; /**< unique id for transactions (to be used for answers) 唯一的事务ID（用于相应请求）*/
    int did; /**< unique id for SIP dialogs 唯一的会话ID */

    int rid; /**< unique id for registration 唯一的注册ID */
    int cid; /**< unique id for SIP calls (but multiple dialogs!) 唯一的会话ID(但是一个会话里可能有多个对话（dialog）) */
    int sid; /**< unique id for outgoing subscriptions 唯一的订阅ID （订阅别人时的ID） */
    int nid; /**< unique id for incoming subscriptions 唯一的通知ID （被别人订阅是的ID）*/

    int ss_status;  /**< current Subscription-State for subscription 当前的订阅状态 */
    int ss_reason;  /**< current Reason status for subscription 当前的状态原因 */
  };