MQ_AppDevl.ppt

触发监控 Command issued by trigger monitor to start the application Other trigger monitors Client trigger monitor AIX, Digital OpenVMS, and OS/2 Warp only CICS AIX, OS/2 Warp, and Windows NT only AMQSTRG4 and AMQSERV4 OS/400 only runmqtrm 的例子程序: amqstrg0.c runmqtrm -m QMgrName -q InitiationQName To start a trigger monitor 触发监控错误处理 Messages are produced by the following Normal activities, e.g. Trigger monitor started Waiting for a trigger message Trigger monitor ended Abnormal conditions, e.g. Initiation queue could not be opened Use of trigger monitor not authorised Error starting triggered application A message may be written to: The standard output device An error log A trigger message is written to the dead letter queue if, for example: The trigger message structure is not valid The trigger message specifies an unsupported application type The trigger monitor is unable to start the specified application 议程5 程序流程 应用程序框架 触发程序 触发监控程序 出口程序 事务支持 死信队列的处理 消息通道出口程序 MQPUT Transmission queue MQGET Destination queue M C A M C A Security Security Send Receive Auto-definition Message Message Message-retry MQI通道出口程序 C L N T C O N N S V R C O N N Security Security Send Receive Auto-definition MQCONN ... MQOPEN ... MQPUT ... ... DataConversion Writing a channel exit program 详细资料请参阅 MQSeries Intercommunication The parameters for an exit are defined by the calls: MQCHANNELAUTODEFEXIT for an auto-definition exit MQCHANNELEXIT for the remaining exits Parameters for all exits include: MQCD the active channel definition for the channel instance MQCXP the channel exit parameter block Examples of what an exit can do: 停止消息的传输 改变传输消息头的域 在消息上下文中改变用户ID 改变应用程序数据 Supplied channel exit programs Version 5 queue managers only Security, message, send, and receive exits Windows 95 client supplies security, send, and receive exits Exit programs supplied in source and object format Uses DCE Security for: Authentication of a partner by token e