126 lines
4.2 KiB
C++
126 lines
4.2 KiB
C++
/*
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* ws_cobra_subscribe.cpp
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* Author: Benjamin Sergeant
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* Copyright (c) 2019 Machine Zone, Inc. All rights reserved.
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*/
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#include <atomic>
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#include <chrono>
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#include <iostream>
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#include <ixcobra/IXCobraConnection.h>
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#include <spdlog/spdlog.h>
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#include <sstream>
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#include <thread>
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namespace ix
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{
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void writeToStdout(bool fluentd, Json::FastWriter& jsonWriter, const Json::Value& msg)
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{
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Json::Value enveloppe;
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if (fluentd)
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{
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enveloppe["producer"] = "cobra";
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enveloppe["consumer"] = "fluentd";
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enveloppe["message"] = msg;
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}
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else
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{
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enveloppe = msg;
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}
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std::cout << jsonWriter.write(enveloppe);
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}
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int ws_cobra_subscribe_main(const ix::CobraConfig& config,
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const std::string& channel,
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const std::string& filter,
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bool quiet,
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bool fluentd)
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{
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ix::CobraConnection conn;
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conn.configure(config);
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conn.connect();
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Json::FastWriter jsonWriter;
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// Display incoming messages
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std::atomic<int> msgPerSeconds(0);
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std::atomic<int> msgCount(0);
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auto timer = [&msgPerSeconds, &msgCount] {
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while (true)
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{
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spdlog::info("#messages {} msg/s {}", msgCount, msgPerSeconds);
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msgPerSeconds = 0;
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auto duration = std::chrono::seconds(1);
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std::this_thread::sleep_for(duration);
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}
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};
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std::thread t(timer);
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conn.setEventCallback(
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[&conn, &channel, &jsonWriter, &filter, &msgCount, &msgPerSeconds, &quiet, &fluentd](
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ix::CobraConnectionEventType eventType,
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const std::string& errMsg,
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const ix::WebSocketHttpHeaders& headers,
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const std::string& subscriptionId,
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CobraConnection::MsgId msgId) {
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if (eventType == ix::CobraConnection_EventType_Open)
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{
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spdlog::info("Subscriber connected");
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for (auto it : headers)
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{
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spdlog::info("{}: {}", it.first, it.second);
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}
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}
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else if (eventType == ix::CobraConnection_EventType_Authenticated)
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{
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spdlog::info("Subscriber authenticated");
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conn.subscribe(channel,
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filter,
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[&jsonWriter, &quiet, &msgPerSeconds, &msgCount, &fluentd](
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const Json::Value& msg) {
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if (!quiet)
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{
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writeToStdout(fluentd, jsonWriter, msg);
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}
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msgPerSeconds++;
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msgCount++;
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});
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}
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else if (eventType == ix::CobraConnection_EventType_Subscribed)
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{
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spdlog::info("Subscriber: subscribed to channel {}", subscriptionId);
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}
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else if (eventType == ix::CobraConnection_EventType_UnSubscribed)
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{
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spdlog::info("Subscriber: unsubscribed from channel {}", subscriptionId);
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}
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else if (eventType == ix::CobraConnection_EventType_Error)
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{
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spdlog::error("Subscriber: error {}", errMsg);
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}
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else if (eventType == ix::CobraConnection_EventType_Published)
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{
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spdlog::error("Published message hacked: {}", msgId);
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}
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else if (eventType == ix::CobraConnection_EventType_Pong)
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{
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spdlog::info("Received websocket pong");
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}
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});
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while (true)
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{
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auto duration = std::chrono::seconds(1);
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std::this_thread::sleep_for(duration);
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}
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return 0;
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}
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} // namespace ix
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