client.cpp

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#include <iostream>
#include "client.hpp"
 
Client::Client(asio::ip::tcp::socket&& socket) : socket(std::move(socket)) {  }
 
void Client::readDescription(CompletionCallback onComplete){
        using namespace std::placeholders;
        inMsg.async_readMsg(socket,
                        std::bind(&Client::readNameComplete,
                                shared_from_this(), std::ref(socket), onComplete, _1));
}
 
void Client::readNameComplete(asio::ip::tcp::socket& socket,
                CompletionCallback onComplete,
                CompletionStatus status)
{
        if(status != CompletionStatus::Success){
                onComplete(*this, status);
                return;
        }
 
        clientName = std::string(inMsg.getStr());
        using namespace std::placeholders;
        inMsg.async_readMsg(socket,
                        std::bind(&Client::readRoomComplete,
                                shared_from_this(), std::ref(socket), onComplete, _1));
}
 
void Client::readRoomComplete(asio::ip::tcp::socket& socket,
                CompletionCallback onComplete,
                CompletionStatus status)
{
        if(status != CompletionStatus::Success){
                onComplete(*this, status);
                return;
        }
 
        roomName = std::string(inMsg.getStr());
        using namespace std::placeholders;
        inMsg.async_readMsg(socket,
                        std::bind(&Client::readDescComplete, shared_from_this(), onComplete, _1));
}
 
void Client::readDescComplete(
                CompletionCallback onComplete,
                CompletionStatus status)
{
        if(status != CompletionStatus::Success){
                onComplete(*this, status);
                return;
        }
 
        sdpDesc = std::string(inMsg.getStr());
        onComplete(*this, CompletionStatus::Success);
}
 
void Client::readCandidate(CompletionCallback onComplete){
        using namespace std::placeholders;
        inMsg.async_readMsg(socket,
                        std::bind(&Client::readCandidateComplete,
                                shared_from_this(), onComplete, _1));
}
 
void Client::readCandidateComplete(
                CompletionCallback onComplete,
                CompletionStatus status)
{
        if(status != CompletionStatus::Success){
                onComplete(*this, status);
                return;
        }
 
        if(inMsg.getStr() == "disconnect"){
                onComplete(*this, CompletionStatus::GracefulDisconnect);
                return;
        }
 
        candidates.emplace_back(inMsg.getStr());
        onComplete(*this, CompletionStatus::Success);
}
 
bool Client::isSendCallbackPending() const{
        return !sendQueue.empty() || outMsg.isSendingNow();
}
 
 
void Client::sendMsg(std::string_view msg){
        if(isSendCallbackPending()){
                sendQueue.emplace(msg);
                return;
        }
 
        outMsg.setStr(msg);
        using namespace std::placeholders;
        outMsg.async_sendMsg(socket, std::bind(&Client::onMsgSent, shared_from_this(), _1));
}
 
void Client::onMsgSent(CompletionStatus status){
        if(status != CompletionStatus::Success){
                std::cerr << "Failed to send a message\n";
        }
 
        if(sendQueue.empty())
                return;
 
        using namespace std::placeholders;
        outMsg.setStr(sendQueue.front());
        sendQueue.pop();
        outMsg.async_sendMsg(socket, std::bind(&Client::onMsgSent, shared_from_this(), _1));
}