gen_tcp stands for 'Generic TCP' and is a module in Erlang that provides functions for TCP/IP communication.
Questions tagged [gen-tcp]
80 questions
0
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1 answer
Receiving TCP packets as messages instead of using gen_tcp:recv/2
I'm writing a distributed chat application in Erlang for my own learning/benefit. I have a client and a server which maintain a persistent TCP connection. The client initiates the connection using gen_tcp:connect/3. The server is actually…
Cody Poll
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2 answers
What's the binary that gen_tcp:recv received?
loop(Socket) ->
case gen_tcp:recv(Socket, 0) of
{ok, Bin} ->
io:format("Bin=~p~n", [Bin]),
loop(Socket);
{error, Reason} ->
io:format("Reason=~p~n", [Reason])
end.
{env, [
…
goofansu
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1 answer
Send exact number of bytes over a socket
I have read that in Erlang using gen_tcp the data sent over the socket can be aggregated in a single stream. How can i force the socket to send exactly a specific number of bytes?
user601836
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1 answer
how long before a process receives a socket closed message
Suppose you have an Erlang process which is handling a socket (gen_tcp/ssl) and the peer closes the connection.
How long does it take before the process receives a message like:
{tcp_closed, Socket}
or
{ssl_closed, Socket}
Is this amount of time…
user601836
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0
votes
2 answers
receive specific amount of data from gen_tcp socket
I have the following code using a gen_tcp socket, which should receive using {active, true} some binary commands that are always of size 5 (e.g. Command = <<"hello">>)
{ok, ListenSocket} = gen_tcp:listen(5555, [{active, true}, {mode, binary},
…
user601836
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