60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
#ifndef MSGHELPERACK_H_
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#define MSGHELPERACK_H_
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#include <common/net/message/control/AckMsgEx.h>
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#include <common/Common.h>
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#include <components/DatagramListener.h>
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#include <app/App.h>
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// inliners
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static inline bool MsgHelperAck_respondToAckRequest(App* app, const char* ackID,
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fhgfs_sockaddr_in* fromAddr, Socket* sock, char* respBuf, size_t bufLen);
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/**
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* Note: This will only send a response if an ackID has been set.
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*
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* @return true if ackID was set
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*/
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bool MsgHelperAck_respondToAckRequest(App* app, const char* ackID,
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fhgfs_sockaddr_in* fromAddr, Socket* sock, char* respBuf, size_t bufLen)
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{
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Logger* log = App_getLogger(app);
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const char* logContext = "Ack response";
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AckMsgEx respMsg;
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unsigned respLen;
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bool serializeRes;
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ssize_t sendRes;
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if(!StringTk_hasLength(ackID) )
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return false;
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AckMsgEx_initFromValue(&respMsg, ackID);
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respLen = NetMessage_getMsgLength( (NetMessage*)&respMsg);
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serializeRes = NetMessage_serialize( (NetMessage*)&respMsg, respBuf, bufLen);
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if(unlikely(!serializeRes) )
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{
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Logger_logErrFormatted(log, logContext, "Unable to serialize response");
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goto err_uninit;
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}
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if(fromAddr)
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{ // datagram => sync via dgramLis send method
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DatagramListener* dgramLis = App_getDatagramListener(app);
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sendRes = DatagramListener_sendto_kernel(dgramLis, respBuf, respLen, 0, fromAddr);
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}
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else
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sendRes = Socket_sendto_kernel(sock, respBuf, respLen, 0, NULL);
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if(unlikely(sendRes <= 0) )
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Logger_logErrFormatted(log, logContext, "Send error. ErrCode: %lld", (long long)sendRes);
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err_uninit:
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return true;
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}
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#endif /* MSGHELPERACK_H_ */
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