<code>required int32 short_port = 3;</code>

<code>required int32 short_port = 3;</code>

<code>required string signature = 5;</code>

<code>required string signature = 5;</code>

<code>required string signature = 5;</code>

<code>optional string social = 12;</code>

<code>required int32 state = 2;</code> <pre> 0 normal; 1 deleted; </pre>

<code>required int32 state = 2;</code>

<code>required int32 status = 2;</code>

<code>required int32 status = 2;</code>

<code>optional int32 super_group = 16;</code>

<code>required string target = 2;</code>

<code>required string target = 1;</code>

<code>optional string target_id = 1;</code>

<code>required string target_id = 1;</code>

<code>required string target_uid = 1;</code>

<code>required string target_uid = 1;</code>

<code>required int64 timestamp = 3;</code>

<code>required int64 timestamp = 3;</code>

<code>required int64 timestamp = 3;</code>

<code>required string title = 1;</code>

<code>required string title = 1;</code>

<code>required string title = 1;</code>

<code>optional bool to_read_status = 7;</code>

<code>required string to_uid = 2;</code>

<code>required string to_uid = 2;</code>

<code>required string to_uid = 2;</code>

<code>required string token = 2;</code>

<code>required string token = 1;</code>

<code>required int32 total_count = 1;</code>

<code>required int32 total_count = 1;</code>

<code>required int32 total_count = 1;</code>

<code>required int32 type = 1;</code>

<code>required int32 type = 5;</code>

<code>required int32 type = 3;</code>

<code>required string type = 1;</code>

<code>required int32 type = 2;</code>

<code>required int32 type = 1;</code>

<code>required int32 type = 2;</code>

<code>required int32 type = 2;</code>

<code>required int32 type = 1;</code>

<code>required int32 type = 1;</code>

<code>required int32 type = 2;</code>

<code>required int32 type = 2;</code>

<code>required string uid = 1;</code>

<code>required string uid = 1;</code>

<code>required string uid = 1;</code>

<code>required string uid = 1;</code>

<code>required string uid = 1;</code>

<code>required int64 update_dt = 4;</code>

<code>required int64 update_dt = 3;</code>

<code>optional string url = 4;</code>

<code>required .User user = 1;</code>

<code>required .User user = 1;</code>

<code>required .User user = 1;</code>

<code>required string user_id = 1;</code>

<code>required string user_id = 1;</code>

<code>required string user_id = 1;</code>

<code>required string value = 3;</code>

<code>required string value = 3;</code>

<code>required string value = 2;</code>

<code>required string value = 3;</code>

<code>required string value = 3;</code>

<code>required int64 version = 1;</code>

<code>required int64 version = 1;</code>

<code>required int64 version = 1;</code>

健康检查 @return 健康检查结果 @throws Exception 请求失败时抛出异常

导入消息。只用在服务为正式使用之前，从别的IM服务进行导入历史消息。当导入时，只能部署一个节点，可以多线程导入。当导入结束后，检查有没有异常日志，如果有异常日志需要解决后重新导入。 当导入完成后，重启IM服务（不要用kill -9，需要等待缓存写入）。重启之后再用客户端验证是否有历史消息可以从远端加

Save the message msg with messageID, clientID as in flight @param clientID the client ID @param messageID the message ID @para

@return the inflight inbound (PUBREL for Qos2) message.