83 lines
3 KiB
C++
83 lines
3 KiB
C++
#pragma once
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#include <memory>
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#include <string>
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#include <rtc/rtc.hpp>
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#include <cereal/cereal.hpp>
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#include <unordered_map>
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#include <functional>
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#include <cereal/cereal.hpp>
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#include <cereal/archives/portable_binary.hpp>
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#include <queue>
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#include "ByteStream.hpp"
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#include "NetLibrary.hpp"
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typedef std::function<void(cereal::PortableBinaryInputArchive&)> NetClientRecvCallback;
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class NetClient : public std::enable_shared_from_this<NetClient> {
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public:
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NetClient(const std::string& serverFullID);
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NetClient(NetServer& server);
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template <typename... Args> void send_items_to_server(const std::string& channel, Args&&... items) {
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if(isDisconnected)
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return;
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auto ss(std::make_shared<std::stringstream>());
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{
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cereal::PortableBinaryOutputArchive m(*ss);
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(m(items), ...);
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}
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std::vector<std::shared_ptr<std::stringstream>> fragmentedMessage = fragment_message(ss->view(), NetLibrary::FRAGMENT_MESSAGE_STRIDE);
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auto& messageQueue = messageQueues[channel];
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if(fragmentedMessage.empty())
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messageQueue.emplace(ss);
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else if(channel != UNRELIABLE_COMMAND_CHANNEL) { // Just drop unreliable messages that are fragmented
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for(auto& ss2 : fragmentedMessage)
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messageQueue.emplace(ss2);
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}
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}
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void update();
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void add_recv_callback(MessageCommandType commandID, const NetClientRecvCallback& callback);
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bool is_disconnected();
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private:
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std::string localID;
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void init_channel(const std::string& channelName, std::shared_ptr<rtc::DataChannel> channel);
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void parse_received_messages();
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void send_queued_messages();
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void send_str_as_bytes(std::shared_ptr<rtc::DataChannel> channel, const std::string& str);
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std::unordered_map<std::string, std::queue<std::shared_ptr<std::stringstream>>> messageQueues;
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struct ReceiveQueue {
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std::mutex mut;
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struct ReceivedMessage {
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std::string channel;
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rtc::binary data;
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};
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std::queue<ReceivedMessage> messages;
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};
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std::shared_ptr<ReceiveQueue> receiveQueue;
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std::unordered_map<std::string, std::shared_ptr<rtc::DataChannel>> channels;
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struct PartialFragmentMessage {
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std::string partialFragmentMessage;
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uint64_t partialFragmentMessageLoc = 0;
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};
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std::unordered_map<std::string, PartialFragmentMessage> pfm;
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std::unordered_map<MessageCommandType, NetClientRecvCallback> recvCallbacks;
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NetServer* directConnectServer = nullptr;
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std::atomic<bool> isDisconnected = false;
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MessageOrder nextMessageOrderToSend = 0;
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MessageOrder nextMessageOrderToExpect = 0;
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std::string serverFullID;
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bool fullyRegistered = false;
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std::chrono::steady_clock::time_point lastMessageTime;
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friend class NetLibrary;
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friend class NetServer;
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};
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