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I have client that send messages serialized by protobuf to the server via
linux fifo. I use ifstream and ofstream in my code for I / O operations.
If I write like this:
//clientClient::request() {
std::ofstream pipeOut;
pipeOut.open(outputPipeName);
msg.SerializeToOstream(&pipeOut);
pipeOut.close();
...}
//serverServer::process_requests() {
std::ifstream pipeIn;
while(isRunning) {
pipeIn.open(inputPipeName);
msg.ParseFromIstream(&pipeIn);
pipeIn.close();
...
}
}
everything works perfectly. But I don't want to constantly open and close
the streams. Instead, I want to write something like this:
//clientclass Client {
std::ofstream pipeOut;};
Client::Client() {
pipeOut.open(outputPipeName);}
Client::~Client() {
pipeOut.close();}
Client::request() {
msg.SerializeToOstream(&pipeOut);
...}
//serverServer::process_requests() {
std::ifstream pipeIn;
pipeIn.open(inputPipeName);
while(isRunning) {
msg.ParseFromIstream(&pipeIn);
...
}
pipeIn.close();}
but with this code server blockes inside ParseFromIstream function and the
execution of the program goes no further. Can anybody please tell me how to
write this correctly?
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