Background:
I've developed a C++ RPC server using protobufs as the IDL. It works
great. Thanks for protobufs!
Problem:
When a client connects to the RPC server, a seperate thread in the
server handles the connection and blocks, waiting for data from the
client.
My message parsing function for the connection object starts like
this:
FileInputStream raw_input(fd); //fd is the socket file
descriptor
CodedInputStream input(&raw_input);
uint32 tag = input.ReadTag();
...
This is all fine and dandy except when I want to shutdown the server
or connection (not client initiated). The ReadTag (as well as the
other Read functions) blocks until data is received but I want it to
timeout after a specified amount of time. So in essence a polling read
instead of a blocking one. This will allow me to check that the
connection is still valid and either re-enter my message parsing
function or cleanup and exit.
Any ideas on how I can accomplish this?
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