C之基于signal信号的交互式的测试功能模块（触发时机）

最新推荐文章于 2021-05-13 13:40:17 发布

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本文详细阐述了基于signal的测试方式及其在信号处理中的应用，包括安装过滤器、处理信号中断以及通过SNMP协议进行消息处理的流程。

## 基于signal的测试方式

#define USE_FILTER
#ifdef USE_FILTER
VOID installFliter();
VOID do_filter(int num);
#endif

#ifdef USE_FILTER
    //[4]-install signal
    installFliter();
#endif

#ifdef USE_FILTER
VOID installFliter(){
    signal(SIGTSTP, do_filter);
}

VOID test1(CSnmpReply msg){
    cout << "++++++++++++++++++++++++++++++++++++++++++++process snmp replu++++++++++++++++" << endl;
    msg.output();

    IPC_MSG_S reply;
    reply.uiCmdMark = msg.iCmdMark;
    strcpy(reply.msgPara ,"<version>12</version>");
    reply.uiGetResult = 0; // maybe snmp can use this code to express the error by snmp
    CCUpgradeHelper::getInstance()->onReply(&reply);
}

VOID do_filter(int num){
    cout << "********************************Send Snmp Request****************************************" << endl;
    CSnmpMsg msg;
    msg.devSite = "4-1";
    msg.devType = 4;
    msg.cbFunction = CSnmpReplyHandle::handle_getVersion;
    msg.sOid = msg.sOid = OidManager::getOid(MSG_CMD_GET_VERSION ,msg.devType);
    msg.iRespFlag = 1;
    msg.iCmdMark = 12;
    HandleSnmpMsgThread::getInstance()->addSnmpMsg(msg);
    cout << "*****************************************************************************************" << endl;
}
#endif