detectors/slsDetectorPackage
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esrf changes: Listener, DataProcessor, DataStreamer, Fifo, ZmqSocket constructors return an exception when it fails

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This commit is contained in:
maliakal_d
2018-05-02 16:49:27 +02:00
parent fdd19bc316
commit d3a0319863
16 changed files with 120 additions and 141 deletions
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34
slsReceiverSoftware/include/ZmqSocket.h
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@ -58,7 +58,7 @@ public:
struct addrinfo *result;
if ((ConvertHostnameToInternetAddress(hostname_or_ip, &result)) ||
(ConvertInternetAddresstoIpString(result, ip, MAX_STR_LENGTH)))
return;
throw std::exception();
// construct address
sprintf (serverAddress, "tcp://%s:%d", ip, portno);
@ -69,29 +69,32 @@ public:
// create context
contextDescriptor = zmq_ctx_new();
if (contextDescriptor == NULL)
return;
throw std::exception();
// create publisher
socketDescriptor = zmq_socket (contextDescriptor, ZMQ_SUB);
if (socketDescriptor == NULL) {
PrintError ();
Close ();
PrintError ();
Close ();
throw std::exception();
}
//Socket Options provided above
// an empty string implies receiving any messages
if ( zmq_setsockopt(socketDescriptor, ZMQ_SUBSCRIBE, "", 0)) {
PrintError ();
Close();
PrintError ();
Close();
throw std::exception();
}
//ZMQ_LINGER default is already -1 means no messages discarded. use this options if optimizing required
//ZMQ_SNDHWM default is 0 means no limit. use this to optimize if optimizing required
// eg. int value = -1;
int value = 0;
if (zmq_setsockopt(socketDescriptor, ZMQ_LINGER, &value,sizeof(value))) {
PrintError ();
Close();
}
if (zmq_setsockopt(socketDescriptor, ZMQ_LINGER, &value,sizeof(value))) {
PrintError ();
Close();
throw std::exception();
}
};
/**
@ -111,13 +114,13 @@ public:
// create context
contextDescriptor = zmq_ctx_new();
if (contextDescriptor == NULL)
return;
throw std::exception();
// create publisher
socketDescriptor = zmq_socket (contextDescriptor, ZMQ_PUB);
if (socketDescriptor == NULL) {
PrintError ();
Close ();
return;
throw std::exception();
}
//Socket Options provided above
@ -131,7 +134,7 @@ public:
if (zmq_bind (socketDescriptor, serverAddress) < 0) {
PrintError ();
Close ();
return;
throw std::exception();
}
//sleep for a few milliseconds to allow a slow-joiner
@ -146,11 +149,6 @@ public:
Close();
};
/**
* Returns error status
* @returns true if error else false
*/
bool IsError() { if (socketDescriptor == NULL) return true; return false; };
/**
* Returns Server Address