move sentry code around and add a stub unittest for it

ixsentry/CMakeLists.txt

@@ -0,0 +1,24 @@
+#
+# Author: Benjamin Sergeant
+# Copyright (c) 2019 Machine Zone, Inc. All rights reserved.
+#
+
+set (IXSENTRY_SOURCES
+    ixsentry/IXSentryClient.cpp
+)
+
+set (IXSENTRY_HEADERS
+    ixsentry/IXSentryClient.h
+)
+
+add_library(ixsentry STATIC
+  ${IXSENTRY_SOURCES}
+  ${IXSENTRY_HEADERS}
+)
+
+set(IXSENTRY_INCLUDE_DIRS
+    .
+    ../third_party
+    ../third_party/spdlog/include)
+
+target_include_directories( ixsentry PUBLIC ${IXSENTRY_INCLUDE_DIRS} )

ixsentry/ixsentry/IXSentryClient.cpp

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+/*
+ *  IXSentryClient.cpp
+ *  Author: Benjamin Sergeant
+ *  Copyright (c) 2019 Machine Zone. All rights reserved.
+ */
+
+#include "IXSentryClient.h"
+
+#include <chrono>
+#include <iostream>
+#include <ixwebsocket/IXWebSocketHttpHeaders.h>
+#include <spdlog/spdlog.h>
+
+
+namespace ix
+{
+    SentryClient::SentryClient(const std::string& dsn)
+        : _dsn(dsn)
+        , _validDsn(false)
+        , _luaFrameRegex("\t([^/]+):([0-9]+): in function '([^/]+)'")
+    {
+        const std::regex dsnRegex("(http[s]?)://([^:]+):([^@]+)@([^/]+)/([0-9]+)");
+        std::smatch group;
+
+        if (std::regex_match(dsn, group, dsnRegex) && group.size() == 6)
+        {
+            _validDsn = true;
+
+            const auto scheme = group.str(1);
+            const auto host = group.str(4);
+            const auto project_id = group.str(5);
+            _url = scheme + "://" + host + "/api/" + project_id + "/store/";
+
+            _publicKey = group.str(2);
+            _secretKey = group.str(3);
+        }
+    }
+
+    int64_t SentryClient::getTimestamp()
+    {
+        const auto tp = std::chrono::system_clock::now();
+        const auto dur = tp.time_since_epoch();
+        return std::chrono::duration_cast<std::chrono::seconds>(dur).count();
+    }
+
+    std::string SentryClient::getIso8601()
+    {
+        std::time_t now;
+        std::time(&now);
+        char buf[sizeof("2011-10-08T07:07:09Z")];
+        std::strftime(buf, sizeof(buf), "%Y-%m-%dT%H:%M:%SZ", std::gmtime(&now));
+        return buf;
+    }
+
+    std::string SentryClient::computeAuthHeader()
+    {
+        std::string securityHeader("Sentry sentry_version=5");
+        securityHeader += ",sentry_client=ws/1.0.0";
+        securityHeader += ",sentry_timestamp=" + std::to_string(SentryClient::getTimestamp());
+        securityHeader += ",sentry_key=" + _publicKey;
+        securityHeader += ",sentry_secret=" + _secretKey;
+
+        return securityHeader;
+    }
+
+    Json::Value SentryClient::parseLuaStackTrace(const std::string& stack)
+    {
+        Json::Value frames;
+
+        // Split by lines
+        std::string line;
+        std::stringstream tokenStream(stack);
+
+        std::smatch group;
+
+        while (std::getline(tokenStream, line))
+        {
+            //	MapScene.lua:2169: in function 'singleCB'
+            if (std::regex_match(line, group, _luaFrameRegex))
+            {
+                const auto fileName = group.str(1);
+                const auto linenoStr = group.str(2);
+                const auto function = group.str(3);
+
+                std::stringstream ss;
+                ss << linenoStr;
+                uint64_t lineno;
+                ss >> lineno;
+
+                Json::Value frame;
+                frame["lineno"] = Json::UInt64(lineno);
+                frame["filename"] = fileName;
+                frame["function"] = function;
+
+                frames.append(frame);
+            }
+        }
+
+        std::reverse(frames.begin(), frames.end());
+
+        return frames;
+    }
+
+    std::string parseExceptionName(const std::string& stack)
+    {
+        // Split by lines
+        std::string line;
+        std::stringstream tokenStream(stack);
+
+        // Extract the first line
+        std::getline(tokenStream, line);
+
+        return line;
+    }
+
+    std::string SentryClient::computePayload(const Json::Value& msg)
+    {
+        Json::Value payload;
+
+        payload["platform"] = "python";
+        payload["sdk"]["name"] = "ws";
+        payload["sdk"]["version"] = "1.0.0";
+        payload["timestamp"] = SentryClient::getIso8601();
+
+        bool isNoisyTypes = msg["id"].asString() == "game_noisytypes_id";
+
+        std::string stackTraceFieldName = isNoisyTypes ? "traceback" : "stack";
+        std::string stack(msg["data"][stackTraceFieldName].asString());
+
+        Json::Value exception;
+        exception["stacktrace"]["frames"] = parseLuaStackTrace(stack);
+        exception["value"] = isNoisyTypes ? parseExceptionName(stack) : msg["data"]["message"];
+
+        payload["exception"].append(exception);
+
+        Json::Value extra;
+        extra["cobra_event"] = msg;
+        extra["cobra_event"] = msg;
+
+        //
+        // "tags": [
+        //   [
+        //     "a",
+        //     "b"
+        //   ],
+        //  ]
+        //
+        Json::Value tags;
+
+        Json::Value gameTag;
+        gameTag.append("game");
+        gameTag.append(msg["device"]["game"]);
+        tags.append(gameTag);
+
+        Json::Value userIdTag;
+        userIdTag.append("userid");
+        userIdTag.append(msg["device"]["user_id"]);
+        tags.append(userIdTag);
+
+        Json::Value environmentTag;
+        environmentTag.append("environment");
+        environmentTag.append(msg["device"]["environment"]);
+        tags.append(environmentTag);
+
+        payload["tags"] = tags;
+
+        return _jsonWriter.write(payload);
+    }
+
+    std::pair<HttpResponsePtr, std::string> SentryClient::send(const Json::Value& msg, bool verbose)
+    {
+        auto args = _httpClient.createRequest();
+        args->extraHeaders["X-Sentry-Auth"] = SentryClient::computeAuthHeader();
+        args->connectTimeout = 60;
+        args->transferTimeout = 5 * 60;
+        args->followRedirects = true;
+        args->verbose = verbose;
+        args->logger = [](const std::string& msg) { spdlog::info("request logger: {}", msg); };
+
+        std::string body = computePayload(msg);
+        HttpResponsePtr response = _httpClient.post(_url, body, args);
+
+        if (verbose)
+        {
+            for (auto it : response->headers)
+            {
+                spdlog::info("{}: {}", it.first, it.second);
+            }
+
+            spdlog::info("Upload size: {}", response->uploadSize);
+            spdlog::info("Download size: {}", response->downloadSize);
+
+            spdlog::info("Status: {}", response->statusCode);
+            if (response->errorCode != HttpErrorCode::Ok)
+            {
+                spdlog::info("error message: {}", response->errorMsg);
+            }
+
+            if (response->headers["Content-Type"] != "application/octet-stream")
+            {
+                spdlog::info("payload: {}", response->payload);
+            }
+        }
+
+        return std::make_pair(response, body);
+    }
+} // namespace ix

ixsentry/ixsentry/IXSentryClient.h

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+/*
+ *  IXSentryClient.h
+ *  Author: Benjamin Sergeant
+ *  Copyright (c) 2019 Machine Zone. All rights reserved.
+ */
+
+#pragma once
+
+#include <algorithm>
+#include <ixwebsocket/IXHttpClient.h>
+#include <jsoncpp/json/json.h>
+#include <regex>
+
+namespace ix
+{
+    class SentryClient
+    {
+    public:
+        SentryClient(const std::string& dsn);
+        ~SentryClient() = default;
+
+        std::pair<HttpResponsePtr, std::string> send(const Json::Value& msg, bool verbose);
+
+    private:
+        int64_t getTimestamp();
+        std::string computeAuthHeader();
+        std::string getIso8601();
+        std::string computePayload(const Json::Value& msg);
+
+        Json::Value parseLuaStackTrace(const std::string& stack);
+
+        std::string _dsn;
+        bool _validDsn;
+        std::string _url;
+
+        // Used for authentication with a header
+        std::string _publicKey;
+        std::string _secretKey;
+
+        Json::FastWriter _jsonWriter;
+
+        std::regex _luaFrameRegex;
+
+        HttpClient _httpClient;
+    };
+
+} // namespace ix