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| -module(tcp_server).
| -author('Bin Shen <23420800@qq.com>').
| -compile(export_all).
|
| -export([listen/1, loop/2]).
| -import(handler,[doWork/2]).
|
| -define(TCP_OPTIONS, [binary, {packet, 0}, {active, false}, {reuseaddr, true}]).
|
| % Call echo:listen(Port) to start the service.
| listen(Port) ->
| {ok, LSocket} = gen_tcp:listen(Port, ?TCP_OPTIONS), accept(LSocket).
|
| % Wait for incoming connections and spawn the echo loop when we get one.
| accept(LSocket) ->
| {ok, Socket} = gen_tcp:accept(LSocket),
| spawn(fun() -> loop(Socket, <<>>) end),
| accept(LSocket).
|
| % Echo back whatever data we receive on Socket.
| loop(Socket, Chain) ->
|
| %% io:format("~p~n", [Chain]),
|
| case gen_tcp:recv(Socket, 0) of
|
| %% {ok, <<90, 0, 16, 1, 0, 1, A1, A2, A3, A4, A5, A6>>} ->
| %% io:format("recv +++++++"),
| %% io:format("recv ~p~n", [A1]),
| %% io:format("recv ~p~n", [A2]),
| %% io:format("recv ~p~n", [A3]),
| %% io:format("recv ~p~n", [A4]),
| %% io:format("recv ~p~n", [A5]),
| %% io:format("recv ~p~n", [A6]),
| %%
| %% loop(Socket);
|
| {ok, Data} ->
| % io:format("recv ~p~n", [Data]),
| % gen_tcp:send(Socket, Data),
|
| %% io:format("recv ~p~n", [Data]),
| %%
| %% X = binary_to_list(Data),
| %% io:format("recv ~w~n", [X]),
| %%
| %% Y = [ integer_to_list(N, 16) || N <- X],
| %% io:format("recv ~w~n", [Y]),
|
| L1 = byte_size(Chain),
| L2 = byte_size(Data),
| doWork(Socket, <<Chain:L1/binary, Data:L2/binary >>);
|
| %% loop(Socket);
| {error, closed} ->
| ok
| end.
|
|
