84 lines
3.0 KiB
C++
84 lines
3.0 KiB
C++
//
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// Created by fred on 02/03/18.
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//
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#include <thread>
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#include <iostream>
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#include <frnetlib/WebFrame.h>
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#include <frnetlib/WebSocket.h>
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#include <frnetlib/TcpSocket.h>
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int main()
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{
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//Connect to the WebSocket server
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fr::WebSocket<fr::TcpSocket> socket; //Use an fr::SSLSocket for secure connections
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if(socket.connect("127.0.0.1", "9091", {}) != fr::Socket::Success)
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{
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std::cerr << "Failed to connect to server!" << std::endl;
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return EXIT_FAILURE;
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}
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//Loop to send messages. Not ideal due to a lack of locking, but should be okay for an example.
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auto message_loop = [&socket]() {
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std::string message;
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fr::WebFrame frame;
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while(socket.connected())
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{
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std::cout << "Message: " << std::endl;
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std::getline(std::cin, message);
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if(message == "exit")
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{
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socket.disconnect();
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return;
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}
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else if(message == "ping")
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{
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frame.set_opcode(fr::WebFrame::Ping);
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}
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frame.set_payload(std::move(message));
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socket.send(frame);
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message.clear(); //Returns message to a defined state after the std::move
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}
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};
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std::thread t1(message_loop);
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//Put the socket into non-blocking mode, for dealing with PINGs and whatnot without waiting.
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while(socket.connected())
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{
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//Receive the next frame
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fr::WebFrame frame;
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if(socket.receive(frame) != fr::Socket::Success)
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continue;
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//If it's a Ping then we need to send back a frame containing the same payload, but of type Pong.
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if(frame.get_opcode() == fr::WebFrame::Ping)
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{
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std::cout << "Server sent a ping!" << std::endl;
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frame.set_opcode(fr::WebFrame::Pong);
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socket.send(frame);
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continue;
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}
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//If it's a disconnect message, then we should finish sending across any messages, and then call disconnect
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if(frame.get_opcode() == fr::WebFrame::Disconnect)
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{
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socket.disconnect();
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continue;
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}
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//The payload type could be Text, Binary, or Continuation.
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//If it's Continuation, then this frame is a part of a fragmented message, and it's
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//a continuation from a previous message. You can check if it's the final part of the
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//message using fr::WebFrame::is_final().
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std::cout << "Got a new message from the server. It's a ";
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if(frame.get_opcode() == fr::WebFrame::Text) std::cout << "text";
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else if(frame.get_opcode() == fr::WebFrame::Binary) std::cout << "binary";
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else if(frame.get_opcode() == fr::WebFrame::Pong) std::cout << "pong";
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else std::cout << "continuation of a previous";
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std::cout << " message. It is ";
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if(!frame.is_final()) std::cout << "not ";
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std::cout << "the final part of the message. The payload contains: '" << frame.get_payload() << "'." << std::endl;
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}
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std::cout << "The server disconnected!" << std::endl;
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t1.join();
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} |