add an option to easily disable per message deflate compression

* unittest working / uses shared_ptr for a bunch of things 🗿

* fix command line tools

* fix ws + add doc

* add more logging

DOCKER_VERSION

@@ -1 +1 @@
-2.2.1
+3.1.1

README.md

@@ -28,6 +28,9 @@ webSocket.setUrl(url);
 // to make sure that load balancers do not kill an idle connection.
 webSocket.setHeartBeatPeriod(45);
 
+// Per message deflate connection is enabled by default. You can tweak its parameters or disable it
+webSocket.disablePerMessageDeflate();
+
 // Setup a callback to be fired when a message or an event (open, close, error) is received
 webSocket.setOnMessageCallback(
     [](ix::WebSocketMessageType messageType,
@@ -129,33 +132,33 @@ Here is what the HTTP client API looks like. Note that HTTP client support is ve
 // Preparation
 //
 HttpClient httpClient;
-HttpRequestArgs args;
+HttpRequestArgsPtr args = httpClient.createRequest();
 
 // Custom headers can be set
 WebSocketHttpHeaders headers;
 headers["Foo"] = "bar";
-args.extraHeaders = headers;
+args->extraHeaders = headers;
 
 // Timeout options
-args.connectTimeout = connectTimeout;
-args.transferTimeout = transferTimeout;
+args->connectTimeout = connectTimeout;
+args->transferTimeout = transferTimeout;
 
 // Redirect options
-args.followRedirects = followRedirects;
-args.maxRedirects = maxRedirects;
+args->followRedirects = followRedirects;
+args->maxRedirects = maxRedirects;
 
 // Misc
-args.compress = compress; // Enable gzip compression
-args.verbose = verbose;
-args.logger = [](const std::string& msg)
+args->compress = compress; // Enable gzip compression
+args->verbose = verbose;
+args->logger = [](const std::string& msg)
 {
     std::cout << msg;
 };
 
 //
-// Request
+// Synchronous Request
 //
-HttpResponse out;
+HttpResponsePtr out;
 std::string url = "https://www.google.com";
 
 // HEAD request
@@ -175,13 +178,30 @@ out = httpClient.post(url, std::string("foo=bar"), args);
 //
 // Result
 //
-auto statusCode = std::get<0>(out);
-auto errorCode = std::get<1>(out);
-auto responseHeaders = std::get<2>(out);
-auto payload = std::get<3>(out);
-auto errorMsg = std::get<4>(out);
-auto uploadSize = std::get<5>(out);
-auto downloadSize = std::get<6>(out);
+auto errorCode = response->errorCode; // Can be HttpErrorCode::Ok, HttpErrorCode::UrlMalformed, etc...
+auto errorCode = response->errorCode; // 200, 404, etc...
+auto responseHeaders = response->headers; // All the headers in a special case-insensitive unordered_map of (string, string)
+auto payload = response->payload; // All the bytes from the response as an std::string
+auto errorMsg = response->errorMsg; // Descriptive error message in case of failure
+auto uploadSize = response->uploadSize; // Byte count of uploaded data
+auto downloadSize = response->downloadSize; // Byte count of downloaded data
+
+//
+// Asynchronous Request
+//
+bool async = true;
+HttpClient httpClient(async);
+auto args = httpClient.createRequest(url, HttpClient::kGet);
+
+// Push the request to a queue,
+bool ok = httpClient.performRequest(args, [](const HttpResponsePtr& response)
+    {
+        // This callback execute in a background thread. Make sure you uses appropriate protection such as mutex
+        auto statusCode = response->statusCode; // acess results
+    }
+);
+
+// ok will be false if your httpClient is not async
 ```
 
 ## Build
@@ -238,7 +258,7 @@ No manual polling to fetch data is required. Data is sent and received instantly
 
 ### Automatic reconnection
 
-If the remote end (server) breaks the connection, the code will try to perpetually reconnect, by using an exponential backoff strategy, capped at one retry every 10 seconds.
+If the remote end (server) breaks the connection, the code will try to perpetually reconnect, by using an exponential backoff strategy, capped at one retry every 10 seconds. This behavior can be disabled.
 
 ### Large messages
 

docker/Dockerfile.ubuntu_bionic

@@ -0,0 +1,23 @@
+# Build time
+FROM ubuntu:bionic as build
+
+ENV DEBIAN_FRONTEND noninteractive
+RUN apt-get update 
+RUN apt-get -y install wget 
+RUN mkdir -p /tmp/cmake
+WORKDIR /tmp/cmake
+RUN wget https://github.com/Kitware/CMake/releases/download/v3.14.0/cmake-3.14.0-Linux-x86_64.tar.gz 
+RUN tar zxf cmake-3.14.0-Linux-x86_64.tar.gz
+
+RUN apt-get -y install g++ 
+RUN apt-get -y install libssl-dev
+RUN apt-get -y install libz-dev
+RUN apt-get -y install make
+RUN apt-get -y install python
+
+COPY . .
+
+ARG CMAKE_BIN_PATH=/tmp/cmake/cmake-3.14.0-Linux-x86_64/bin
+ENV PATH="${CMAKE_BIN_PATH}:${PATH}"
+
+RUN ["make", "ws"]

ixwebsocket/IXHttpClient.cpp

@@ -21,24 +21,98 @@ namespace ix
     const std::string HttpClient::kPost = "POST";
     const std::string HttpClient::kGet = "GET";
     const std::string HttpClient::kHead = "HEAD";
+    const std::string HttpClient::kDel = "DEL";
+    const std::string HttpClient::kPut = "PUT";
 
-    HttpClient::HttpClient()
+    HttpClient::HttpClient(bool async) : _async(async), _stop(false)
     {
+        if (!_async) return;
 
+        _thread = std::thread(&HttpClient::run, this);
     }
 
     HttpClient::~HttpClient()
     {
+        if (!_thread.joinable()) return;
 
+        _stop = true;
+        _condition.notify_one();
+        _thread.join();
     }
 
-    HttpResponse HttpClient::request(
+    HttpRequestArgsPtr HttpClient::createRequest(const std::string& url,
+                                                 const std::string& verb)
+    {
+        auto request = std::make_shared<HttpRequestArgs>();
+        request->url = url;
+        request->verb = verb;
+        return request;
+    }
+
+    bool HttpClient::performRequest(HttpRequestArgsPtr args,
+                                    const OnResponseCallback& onResponseCallback)
+    {
+        if (!_async) return false;
+
+        // Enqueue the task
+        {
+            // acquire lock
+            std::unique_lock<std::mutex> lock(_queueMutex);
+
+            // add the task
+            _queue.push(std::make_pair(args, onResponseCallback));
+        } // release lock
+
+        // wake up one thread
+        _condition.notify_one();
+
+        return true;
+    }
+
+    void HttpClient::run()
+    {
+        while (true)
+        {
+            HttpRequestArgsPtr args;
+            OnResponseCallback onResponseCallback;
+
+            {
+                std::unique_lock<std::mutex> lock(_queueMutex);
+
+                while (!_stop && _queue.empty())
+                {
+                    _condition.wait(lock);
+                }
+
+                if (_stop) return;
+
+                auto p = _queue.front();
+                _queue.pop();
+
+                args = p.first;
+                onResponseCallback = p.second;
+            }
+
+            if (_stop) return;
+
+            HttpResponsePtr response = request(args->url, args->verb, args->body, args);
+            onResponseCallback(response);
+
+            if (_stop) return;
+        }
+    }
+
+    HttpResponsePtr HttpClient::request(
         const std::string& url,
         const std::string& verb,
         const std::string& body,
-        const HttpRequestArgs& args,
+        HttpRequestArgsPtr args,
         int redirects)
     {
+        // We only have one socket connection, so we cannot
+        // make multiple requests concurrently.
+        std::lock_guard<std::mutex> lock(_mutex);
+
         uint64_t uploadSize = 0;
         uint64_t downloadSize = 0;
         int code = 0;
@@ -52,9 +126,9 @@ namespace ix
         {
             std::stringstream ss;
             ss << "Cannot parse url: " << url;
-            return std::make_tuple(code, HttpErrorCode::UrlMalformed,
-                                   headers, payload, ss.str(),
-                                   uploadSize, downloadSize);
+            return std::make_shared<HttpResponse>(code, HttpErrorCode::UrlMalformed,
+                                headers, payload, ss.str(),
+                                uploadSize, downloadSize);
         }
 
         bool tls = protocol == "https";
@@ -63,35 +137,45 @@ namespace ix
 
         if (!_socket)
         {
-            return std::make_tuple(code, HttpErrorCode::CannotCreateSocket,
-                                   headers, payload, errorMsg,
-                                   uploadSize, downloadSize);
+            return std::make_shared<HttpResponse>(code, HttpErrorCode::CannotCreateSocket,
+                                headers, payload, errorMsg,
+                                uploadSize, downloadSize);
         }
 
         // Build request string
         std::stringstream ss;
         ss << verb << " " << path << " HTTP/1.1\r\n";
         ss << "Host: " << host << "\r\n";
-        ss << "User-Agent: ixwebsocket/1.0.0" << "\r\n";
-        ss << "Accept: */*" << "\r\n";
 
-        if (args.compress)
+        if (args->compress)
         {
             ss << "Accept-Encoding: gzip" << "\r\n";
         }
 
         // Append extra headers
-        for (auto&& it : args.extraHeaders)
+        for (auto&& it : args->extraHeaders)
         {
             ss << it.first << ": " << it.second << "\r\n";
         }
 
-        if (verb == kPost)
+        // Set a default Accept header if none is present
+        if (headers.find("Accept") == headers.end())
+        {
+            ss << "Accept: */*" << "\r\n";
+        }
+
+        // Set a default User agent if none is present
+        if (headers.find("User-Agent") == headers.end())
+        {
+            ss << "User-Agent: ixwebsocket" << "\r\n";
+        }
+
+        if (verb == kPost || verb == kPut)
         {
             ss << "Content-Length: " << body.size() << "\r\n";
 
             // Set default Content-Type if unspecified
-            if (args.extraHeaders.find("Content-Type") == args.extraHeaders.end())
+            if (args->extraHeaders.find("Content-Type") == args->extraHeaders.end())
             {
                 ss << "Content-Type: application/x-www-form-urlencoded" << "\r\n";
             }
@@ -109,23 +193,23 @@ namespace ix
 
         // Make a cancellation object dealing with connection timeout
         auto isCancellationRequested =
-            makeCancellationRequestWithTimeout(args.connectTimeout, requestInitCancellation);
+            makeCancellationRequestWithTimeout(args->connectTimeout, requestInitCancellation);
 
         bool success = _socket->connect(host, port, errMsg, isCancellationRequested);
         if (!success)
         {
             std::stringstream ss;
             ss << "Cannot connect to url: " << url << " / error : " << errMsg;
-            return std::make_tuple(code, HttpErrorCode::CannotConnect,
-                                   headers, payload, ss.str(),
-                                   uploadSize, downloadSize);
+            return std::make_shared<HttpResponse>(code, HttpErrorCode::CannotConnect,
+                                                  headers, payload, ss.str(),
+                                                  uploadSize, downloadSize);
         }
 
         // Make a new cancellation object dealing with transfer timeout
         isCancellationRequested =
-            makeCancellationRequestWithTimeout(args.transferTimeout, requestInitCancellation);
+            makeCancellationRequestWithTimeout(args->transferTimeout, requestInitCancellation);
 
-        if (args.verbose)
+        if (args->verbose)
         {
             std::stringstream ss;
             ss << "Sending " << verb << " request "
@@ -142,9 +226,9 @@ namespace ix
         if (!_socket->writeBytes(req, isCancellationRequested))
         {
             std::string errorMsg("Cannot send request");
-            return std::make_tuple(code, HttpErrorCode::SendError,
-                                   headers, payload, errorMsg,
-                                   uploadSize, downloadSize);
+            return std::make_shared<HttpResponse>(code, HttpErrorCode::SendError,
+                                                  headers, payload, errorMsg,
+                                                  uploadSize, downloadSize);
         }
 
         uploadSize = req.size();
@@ -156,12 +240,12 @@ namespace ix
         if (!lineValid)
         {
             std::string errorMsg("Cannot retrieve status line");
-            return std::make_tuple(code, HttpErrorCode::CannotReadStatusLine,
-                                   headers, payload, errorMsg,
-                                   uploadSize, downloadSize);
+            return std::make_shared<HttpResponse>(code, HttpErrorCode::CannotReadStatusLine,
+                                                  headers, payload, errorMsg,
+                                                  uploadSize, downloadSize);
         }
 
-        if (args.verbose)
+        if (args->verbose)
         {
             std::stringstream ss;
             ss << "Status line " << line;
@@ -171,9 +255,9 @@ namespace ix
         if (sscanf(line.c_str(), "HTTP/1.1 %d", &code) != 1)
         {
             std::string errorMsg("Cannot parse response code from status line");
-            return std::make_tuple(code, HttpErrorCode::MissingStatus,
-                                   headers, payload, errorMsg,
-                                   uploadSize, downloadSize);
+            return std::make_shared<HttpResponse>(code, HttpErrorCode::MissingStatus,
+                                                  headers, payload, errorMsg,
+                                                  uploadSize, downloadSize);
         }
 
         auto result = parseHttpHeaders(_socket, isCancellationRequested);
@@ -183,29 +267,29 @@ namespace ix
         if (!headersValid)
         {
             std::string errorMsg("Cannot parse http headers");
-            return std::make_tuple(code, HttpErrorCode::HeaderParsingError,
-                                   headers, payload, errorMsg,
-                                   uploadSize, downloadSize);
+            return std::make_shared<HttpResponse>(code, HttpErrorCode::HeaderParsingError,
+                                                  headers, payload, errorMsg,
+                                                  uploadSize, downloadSize);
         }
 
         // Redirect ?
-        if ((code >= 301 && code <= 308) && args.followRedirects)
+        if ((code >= 301 && code <= 308) && args->followRedirects)
         {
             if (headers.find("Location") == headers.end())
             {
                 std::string errorMsg("Missing location header for redirect");
-                return std::make_tuple(code, HttpErrorCode::MissingLocation,
-                                       headers, payload, errorMsg,
-                                       uploadSize, downloadSize);
+                return std::make_shared<HttpResponse>(code, HttpErrorCode::MissingLocation,
+                                                      headers, payload, errorMsg,
+                                                      uploadSize, downloadSize);
             }
 
-            if (redirects >= args.maxRedirects)
+            if (redirects >= args->maxRedirects)
             {
                 std::stringstream ss;
                 ss << "Too many redirects: " << redirects;
-                return std::make_tuple(code, HttpErrorCode::TooManyRedirects,
-                                       headers, payload, ss.str(),
-                                       uploadSize, downloadSize);
+                return std::make_shared<HttpResponse>(code, HttpErrorCode::TooManyRedirects,
+                                                      headers, payload, ss.str(),
+                                                      uploadSize, downloadSize);
             }
 
             // Recurse
@@ -215,9 +299,9 @@ namespace ix
 
         if (verb == "HEAD")
         {
-            return std::make_tuple(code, HttpErrorCode::Ok,
-                                   headers, payload, std::string(),
-                                   uploadSize, downloadSize);
+            return std::make_shared<HttpResponse>(code, HttpErrorCode::Ok,
+                                                  headers, payload, std::string(),
+                                                  uploadSize, downloadSize);
         }
 
         // Parse response:
@@ -231,14 +315,14 @@ namespace ix
             payload.reserve(contentLength);
 
             auto chunkResult = _socket->readBytes(contentLength,
-                                                  args.onProgressCallback,
+                                                  args->onProgressCallback,
                                                   isCancellationRequested);
             if (!chunkResult.first)
             {
                 errorMsg = "Cannot read chunk";
-                return std::make_tuple(code, HttpErrorCode::ChunkReadError,
-                                       headers, payload, errorMsg,
-                                       uploadSize, downloadSize);
+                return std::make_shared<HttpResponse>(code, HttpErrorCode::ChunkReadError,
+                                                      headers, payload, errorMsg,
+                                                      uploadSize, downloadSize);
             }
             payload += chunkResult.second;
         }
@@ -254,9 +338,9 @@ namespace ix
 
                 if (!lineResult.first)
                 {
-                    return std::make_tuple(code, HttpErrorCode::ChunkReadError,
-                                           headers, payload, errorMsg,
-                                           uploadSize, downloadSize);
+                    return std::make_shared<HttpResponse>(code, HttpErrorCode::ChunkReadError,
+                                                          headers, payload, errorMsg,
+                                                          uploadSize, downloadSize);
                 }
 
                 uint64_t chunkSize;
@@ -264,7 +348,7 @@ namespace ix
                 ss << std::hex << line;
                 ss >> chunkSize;
 
-                if (args.verbose)
+                if (args->verbose)
                 {
                     std::stringstream oss;
                     oss << "Reading " << chunkSize << " bytes"
@@ -276,14 +360,14 @@ namespace ix
 
                 // Read a chunk
                 auto chunkResult = _socket->readBytes((size_t) chunkSize,
-                                                      args.onProgressCallback,
+                                                      args->onProgressCallback,
                                                       isCancellationRequested);
                 if (!chunkResult.first)
                 {
                     errorMsg = "Cannot read chunk";
-                    return std::make_tuple(code, HttpErrorCode::ChunkReadError,
-                                           headers, payload, errorMsg,
-                                           uploadSize, downloadSize);
+                    return std::make_shared<HttpResponse>(code, HttpErrorCode::ChunkReadError,
+                                                          headers, payload, errorMsg,
+                                                          uploadSize, downloadSize);
                 }
                 payload += chunkResult.second;
 
@@ -292,9 +376,9 @@ namespace ix
 
                 if (!lineResult.first)
                 {
-                    return std::make_tuple(code, HttpErrorCode::ChunkReadError,
-                                           headers, payload, errorMsg,
-                                           uploadSize, downloadSize);
+                    return std::make_shared<HttpResponse>(code, HttpErrorCode::ChunkReadError,
+                                                          headers, payload, errorMsg,
+                                                          uploadSize, downloadSize);
                 }
 
                 if (chunkSize == 0) break;
@@ -307,9 +391,9 @@ namespace ix
         else
         {
             std::string errorMsg("Cannot read http body");
-            return std::make_tuple(code, HttpErrorCode::CannotReadBody,
-                                   headers, payload, errorMsg,
-                                   uploadSize, downloadSize);
+            return std::make_shared<HttpResponse>(code, HttpErrorCode::CannotReadBody,
+                                                  headers, payload, errorMsg,
+                                                  uploadSize, downloadSize);
         }
 
         downloadSize = payload.size();
@@ -321,44 +405,64 @@ namespace ix
             if (!gzipInflate(payload, decompressedPayload))
             {
                 std::string errorMsg("Error decompressing payload");
-                return std::make_tuple(code, HttpErrorCode::Gzip,
-                                       headers, payload, errorMsg,
-                                       uploadSize, downloadSize);
+                return std::make_shared<HttpResponse>(code, HttpErrorCode::Gzip,
+                                                      headers, payload, errorMsg,
+                                                      uploadSize, downloadSize);
             }
             payload = decompressedPayload;
         }
 
-        return std::make_tuple(code, HttpErrorCode::Ok,
-                               headers, payload, std::string(),
-                               uploadSize, downloadSize);
+        return std::make_shared<HttpResponse>(code, HttpErrorCode::Ok,
+                                              headers, payload, std::string(),
+                                              uploadSize, downloadSize);
     }
 
-    HttpResponse HttpClient::get(const std::string& url,
-                                 const HttpRequestArgs& args)
+    HttpResponsePtr HttpClient::get(const std::string& url,
+                                    HttpRequestArgsPtr args)
     {
         return request(url, kGet, std::string(), args);
     }
 
-    HttpResponse HttpClient::head(const std::string& url,
-                                  const HttpRequestArgs& args)
+    HttpResponsePtr HttpClient::head(const std::string& url,
+                                     HttpRequestArgsPtr args)
     {
         return request(url, kHead, std::string(), args);
     }
 
-    HttpResponse HttpClient::post(const std::string& url,
-                                  const HttpParameters& httpParameters,
-                                  const HttpRequestArgs& args)
+    HttpResponsePtr HttpClient::del(const std::string& url,
+                                    HttpRequestArgsPtr args)
+    {
+        return request(url, kDel, std::string(), args);
+    }
+
+    HttpResponsePtr HttpClient::post(const std::string& url,
+                                     const HttpParameters& httpParameters,
+                                     HttpRequestArgsPtr args)
     {
         return request(url, kPost, serializeHttpParameters(httpParameters), args);
     }
 
-    HttpResponse HttpClient::post(const std::string& url,
-                                  const std::string& body,
-                                  const HttpRequestArgs& args)
+    HttpResponsePtr HttpClient::post(const std::string& url,
+                                     const std::string& body,
+                                     HttpRequestArgsPtr args)
     {
         return request(url, kPost, body, args);
     }
 
+    HttpResponsePtr HttpClient::put(const std::string& url,
+                                    const HttpParameters& httpParameters,
+                                    HttpRequestArgsPtr args)
+    {
+        return request(url, kPut, serializeHttpParameters(httpParameters), args);
+    }
+
+    HttpResponsePtr HttpClient::put(const std::string& url,
+                                    const std::string& body,
+                                    const HttpRequestArgsPtr args)
+    {
+        return request(url, kPut, body, args);
+    }
+
     std::string HttpClient::urlEncode(const std::string& value)
     {
         std::ostringstream escaped;
@@ -456,11 +560,11 @@ namespace ix
     }
 
     void HttpClient::log(const std::string& msg,
-                         const HttpRequestArgs& args)
+                         HttpRequestArgsPtr args)
     {
-        if (args.logger)
+        if (args->logger)
         {
-            args.logger(msg);
+            args->logger(msg);
         }
     }
 }

ixwebsocket/IXHttpClient.h

@@ -10,11 +10,13 @@
 #include "IXWebSocketHttpHeaders.h"
 #include <algorithm>
 #include <atomic>
+#include <condition_variable>
 #include <functional>
 #include <map>
 #include <memory>
 #include <mutex>
-#include <tuple>
+#include <queue>
+#include <thread>
 
 namespace ix
 {
@@ -34,23 +36,48 @@ namespace ix
         MissingLocation = 11,
         TooManyRedirects = 12,
         ChunkReadError = 13,
-        CannotReadBody = 14
+        CannotReadBody = 14,
+        Invalid = 100
     };
 
-    using HttpResponse = std::tuple<int,           // status
-                                    HttpErrorCode, // error code
-                                    WebSocketHttpHeaders,
-                                    std::string, // payload
-                                    std::string, // error msg
-                                    uint64_t,    // upload size
-                                    uint64_t>;   // download size
+    struct HttpResponse
+    {
+        int statusCode;
+        HttpErrorCode errorCode;
+        WebSocketHttpHeaders headers;
+        std::string payload;
+        std::string errorMsg;
+        uint64_t uploadSize;
+        uint64_t downloadSize;
 
+        HttpResponse(int s = 0,
+                     const HttpErrorCode& c = HttpErrorCode::Ok,
+                     const WebSocketHttpHeaders& h = WebSocketHttpHeaders(),
+                     const std::string& p = std::string(),
+                     const std::string& e = std::string(),
+                     uint64_t u = 0,
+                     uint64_t d = 0)
+            : statusCode(s)
+            , errorCode(c)
+            , headers(h)
+            , payload(p)
+            , errorMsg(e)
+            , uploadSize(u)
+            , downloadSize(d)
+        {
+            ;
+        }
+    };
+
+    using HttpResponsePtr = std::shared_ptr<HttpResponse>;
     using HttpParameters = std::map<std::string, std::string>;
     using Logger = std::function<void(const std::string&)>;
+    using OnResponseCallback = std::function<void(const HttpResponsePtr&)>;
 
     struct HttpRequestArgs
     {
         std::string url;
+        std::string verb;
         WebSocketHttpHeaders extraHeaders;
         std::string body;
         int connectTimeout;
@@ -63,41 +90,72 @@ namespace ix
         OnProgressCallback onProgressCallback;
     };
 
+    using HttpRequestArgsPtr = std::shared_ptr<HttpRequestArgs>;
+
     class HttpClient
     {
     public:
-        HttpClient();
+        HttpClient(bool async = false);
         ~HttpClient();
 
-        HttpResponse get(const std::string& url, const HttpRequestArgs& args);
-        HttpResponse head(const std::string& url, const HttpRequestArgs& args);
+        HttpResponsePtr get(const std::string& url, HttpRequestArgsPtr args);
+        HttpResponsePtr head(const std::string& url, HttpRequestArgsPtr args);
+        HttpResponsePtr del(const std::string& url, HttpRequestArgsPtr args);
 
-        HttpResponse post(const std::string& url,
-                          const HttpParameters& httpParameters,
-                          const HttpRequestArgs& args);
-        HttpResponse post(const std::string& url,
-                          const std::string& body,
-                          const HttpRequestArgs& args);
-
-    private:
-        HttpResponse request(const std::string& url,
-                             const std::string& verb,
+        HttpResponsePtr post(const std::string& url,
+                             const HttpParameters& httpParameters,
+                             HttpRequestArgsPtr args);
+        HttpResponsePtr post(const std::string& url,
                              const std::string& body,
-                             const HttpRequestArgs& args,
-                             int redirects = 0);
+                             HttpRequestArgsPtr args);
+
+        HttpResponsePtr put(const std::string& url,
+                            const HttpParameters& httpParameters,
+                            HttpRequestArgsPtr args);
+        HttpResponsePtr put(const std::string& url,
+                            const std::string& body,
+                            HttpRequestArgsPtr args);
+
+        HttpResponsePtr request(const std::string& url,
+                                const std::string& verb,
+                                const std::string& body,
+                                HttpRequestArgsPtr args,
+                                int redirects = 0);
+
+        // Async API
+        HttpRequestArgsPtr createRequest(const std::string& url = std::string(),
+                                         const std::string& verb = HttpClient::kGet);
+
+        bool performRequest(HttpRequestArgsPtr request,
+                            const OnResponseCallback& onResponseCallback);
 
         std::string serializeHttpParameters(const HttpParameters& httpParameters);
 
         std::string urlEncode(const std::string& value);
 
-        void log(const std::string& msg, const HttpRequestArgs& args);
-
-        bool gzipInflate(const std::string& in, std::string& out);
-
-        std::shared_ptr<Socket> _socket;
-
         const static std::string kPost;
         const static std::string kGet;
         const static std::string kHead;
+        const static std::string kDel;
+        const static std::string kPut;
+
+    private:
+        void log(const std::string& msg, HttpRequestArgsPtr args);
+
+        bool gzipInflate(const std::string& in, std::string& out);
+
+        // Async API background thread runner
+        void run();
+
+        // Async API
+        bool _async;
+        std::queue<std::pair<HttpRequestArgsPtr, OnResponseCallback>> _queue;
+        mutable std::mutex _queueMutex;
+        std::condition_variable _condition;
+        std::atomic<bool> _stop;
+        std::thread _thread;
+
+        std::shared_ptr<Socket> _socket;
+        std::mutex _mutex; // to protect accessing the _socket (only one socket per client)
     };
 } // namespace ix

ixwebsocket/IXSocketMbedTLS.cpp

@@ -55,13 +55,13 @@ namespace ix
         // FIXME: cert verification is disabled
         mbedtls_ssl_conf_authmode(&_conf, MBEDTLS_SSL_VERIFY_NONE);
 
-        if (mbedtls_ssl_setup( &_ssl, &_conf ) != 0)
+        if (mbedtls_ssl_setup(&_ssl, &_conf) != 0)
         {
             errMsg = "SSL setup failed";
             return false;
         }
 
-        if (mbedtls_ssl_set_hostname( &_ssl, host.c_str()) != 0)
+        if (mbedtls_ssl_set_hostname(&_ssl, host.c_str()) != 0)
         {
             errMsg = "SNI setup failed";
             return false;

ixwebsocket/IXWebSocket.cpp

@@ -135,6 +135,13 @@ namespace ix
         _enablePong = false;
     }
 
+    void WebSocket::disablePerMessageDeflate()
+    {
+        std::lock_guard<std::mutex> lock(_configMutex);
+        WebSocketPerMessageDeflateOptions perMessageDeflateOptions(false);
+        _perMessageDeflateOptions = perMessageDeflateOptions;
+    }
+
     void WebSocket::start()
     {
         if (_thread.joinable()) return; // we've already been started

ixwebsocket/IXWebSocket.h

@@ -95,6 +95,7 @@ namespace ix
         void setPingTimeout(int pingTimeoutSecs);
         void enablePong();
         void disablePong();
+        void disablePerMessageDeflate();
 
         // Run asynchronously, by calling start and stop.
         void start();

makefile

@@ -9,7 +9,7 @@ install: brew
 # on osx it is good practice to make /usr/local user writable
 # sudo chown -R `whoami`/staff /usr/local
 brew:
-	mkdir -p build && (cd build ; cmake -DUSE_TLS=1 -DUSE_WS=1 -DUSE_MBED_TLS=1 .. ; make -j install)
+	mkdir -p build && (cd build ; cmake -DUSE_TLS=1 -DUSE_WS=1 .. ; make -j install)
 
 ws:
 	mkdir -p build && (cd build ; cmake -DUSE_TLS=1 -DUSE_WS=1 -DUSE_MBED_TLS=1 .. ; make -j)
@@ -44,7 +44,7 @@ trail:
 	sh third_party/remote_trailing_whitespaces.sh
 
 format:
-	sh third_party/indent.sh
+	find test ixwebsocket ws -name '*.cpp' -o -name '*.h' -exec clang-format -i {} \;
 
 # That target is used to start a node server, but isn't required as we have 
 # a builtin C++ server started in the unittest now

test/CMakeLists.txt

@@ -37,6 +37,7 @@ set (SOURCES
   IXWebSocketTestConnectionDisconnection.cpp
   IXUrlParserTest.cpp
   IXWebSocketServerTest.cpp
+  IXHttpClientTest.cpp
 )
 
 # Some unittest don't work on windows yet

test/IXHttpClientTest.cpp

@@ -0,0 +1,233 @@
+/*
+ *  IXSocketTest.cpp
+ *  Author: Benjamin Sergeant
+ *  Copyright (c) 2019 Machine Zone. All rights reserved.
+ */
+
+#include <iostream>
+#include <ixwebsocket/IXHttpClient.h>
+
+#include "catch.hpp"
+
+using namespace ix;
+
+TEST_CASE("http client", "[http]")
+{
+    SECTION("Connect to a remote HTTP server")
+    {
+        HttpClient httpClient;
+        WebSocketHttpHeaders headers;
+
+        std::string url("http://httpbin.org/");
+        auto args = httpClient.createRequest(url);
+
+        args->extraHeaders = headers;
+        args->connectTimeout = 60;
+        args->transferTimeout = 60;
+        args->followRedirects = true;
+        args->maxRedirects = 10;
+        args->verbose = true;
+        args->compress = true;
+        args->logger = [](const std::string& msg)
+        {
+            std::cout << msg;
+        };
+        args->onProgressCallback = [](int current, int total) -> bool
+        {
+            std::cerr << "\r" << "Downloaded "
+                      << current << " bytes out of " << total;
+            return true;
+        };
+
+        auto response = httpClient.get(url, args);
+
+        for (auto it : response->headers)
+        {
+            std::cerr << it.first << ": " << it.second << std::endl;
+        }
+
+        std::cerr << "Upload size: " << response->uploadSize << std::endl;
+        std::cerr << "Download size: " << response->downloadSize << std::endl;
+        std::cerr << "Status: " << response->statusCode << std::endl;
+        std::cerr << "Error message: " << response->errorMsg << std::endl;
+
+        REQUIRE(response->errorCode == HttpErrorCode::Ok);
+        REQUIRE(response->statusCode == 200);
+    }
+
+    SECTION("Connect to a remote HTTPS server")
+    {
+        HttpClient httpClient;
+        WebSocketHttpHeaders headers;
+
+        std::string url("https://httpbin.org/");
+        auto args = httpClient.createRequest(url);
+
+        args->extraHeaders = headers;
+        args->connectTimeout = 60;
+        args->transferTimeout = 60;
+        args->followRedirects = true;
+        args->maxRedirects = 10;
+        args->verbose = true;
+        args->compress = true;
+        args->logger = [](const std::string& msg)
+        {
+            std::cout << msg;
+        };
+        args->onProgressCallback = [](int current, int total) -> bool
+        {
+            std::cerr << "\r" << "Downloaded "
+                      << current << " bytes out of " << total;
+            return true;
+        };
+
+        auto response = httpClient.get(url, args);
+
+        for (auto it : response->headers)
+        {
+            std::cerr << it.first << ": " << it.second << std::endl;
+        }
+
+        std::cerr << "Upload size: " << response->uploadSize << std::endl;
+        std::cerr << "Download size: " << response->downloadSize << std::endl;
+        std::cerr << "Status: " << response->statusCode << std::endl;
+        std::cerr << "Error message: " << response->errorMsg << std::endl;
+
+        REQUIRE(response->errorCode == HttpErrorCode::Ok);
+        REQUIRE(response->statusCode == 200);
+    }
+
+    SECTION("Async API, one call")
+    {
+        bool async = true;
+        HttpClient httpClient(async);
+        WebSocketHttpHeaders headers;
+
+        std::string url("https://httpbin.org/");
+        auto args = httpClient.createRequest(url);
+
+        args->extraHeaders = headers;
+        args->connectTimeout = 60;
+        args->transferTimeout = 60;
+        args->followRedirects = true;
+        args->maxRedirects = 10;
+        args->verbose = true;
+        args->compress = true;
+        args->logger = [](const std::string& msg)
+        {
+            std::cout << msg;
+        };
+        args->onProgressCallback = [](int current, int total) -> bool
+        {
+            std::cerr << "\r" << "Downloaded "
+                      << current << " bytes out of " << total;
+            return true;
+        };
+
+        std::atomic<bool> requestCompleted(false);
+        std::atomic<int> statusCode(0);
+
+        httpClient.performRequest(args, [&requestCompleted, &statusCode]
+            (const HttpResponsePtr& response)
+            {
+                std::cerr << "Upload size: " << response->uploadSize << std::endl;
+                std::cerr << "Download size: " << response->downloadSize << std::endl;
+                std::cerr << "Status: " << response->statusCode << std::endl;
+                std::cerr << "Error message: " << response->errorMsg << std::endl;
+
+                // In case of failure, print response->errorMsg
+                statusCode = response->statusCode;
+                requestCompleted = true;
+            }
+        );
+
+        int wait = 0;
+        while (wait < 5000)
+        {
+            if (requestCompleted) break;
+
+            std::chrono::duration<double, std::milli> duration(10);
+            std::this_thread::sleep_for(duration);
+            wait += 10;
+        }
+
+        std::cerr << "Done" << std::endl;
+        REQUIRE(statusCode == 200);
+    }
+
+    SECTION("Async API, multiple calls")
+    {
+        bool async = true;
+        HttpClient httpClient(async);
+        WebSocketHttpHeaders headers;
+
+        std::string url("http://httpbin.org/");
+        auto args = httpClient.createRequest(url);
+
+        args->extraHeaders = headers;
+        args->connectTimeout = 60;
+        args->transferTimeout = 60;
+        args->followRedirects = true;
+        args->maxRedirects = 10;
+        args->verbose = true;
+        args->compress = true;
+        args->logger = [](const std::string& msg)
+        {
+            std::cout << msg;
+        };
+        args->onProgressCallback = [](int current, int total) -> bool
+        {
+            std::cerr << "\r" << "Downloaded "
+                      << current << " bytes out of " << total;
+            return true;
+        };
+
+        std::atomic<bool> requestCompleted(false);
+        std::atomic<int> statusCode0(0);
+        std::atomic<int> statusCode1(0);
+        std::atomic<int> statusCode2(0);
+
+        for (int i = 0; i < 3; ++i)
+        {
+            httpClient.performRequest(args, [i, &requestCompleted, &statusCode0, &statusCode1, &statusCode2]
+                (const HttpResponsePtr& response)
+                {
+                    std::cerr << "Upload size: " << response->uploadSize << std::endl;
+                    std::cerr << "Download size: " << response->downloadSize << std::endl;
+                    std::cerr << "Status: " << response->statusCode << std::endl;
+                    std::cerr << "Error message: " << response->errorMsg << std::endl;
+
+                    // In case of failure, print response->errorMsg
+                    if (i == 0)
+                    {
+                        statusCode0 = response->statusCode;
+                    }
+                    else if (i == 1)
+                    {
+                        statusCode1 = response->statusCode;
+                    }
+                    else if (i == 2)
+                    {
+                        statusCode2 = response->statusCode;
+                        requestCompleted = true;
+                    }
+                }
+            );
+        }
+
+        int wait = 0;
+        while (wait < 10000)
+        {
+            if (requestCompleted) break;
+
+            std::chrono::duration<double, std::milli> duration(10);
+            std::this_thread::sleep_for(duration);
+            wait += 10;
+        }
+
+        std::cerr << "Done" << std::endl;
+        REQUIRE(statusCode0 == 200);
+        REQUIRE(statusCode1 == 200);
+        REQUIRE(statusCode2 == 200);
+    }
+}

test/IXTest.h

@@ -6,13 +6,13 @@
 
 #pragma once
 
-#include <string>
-#include <vector>
-#include <sstream>
 #include <iostream>
+#include <ixwebsocket/IXWebSocketServer.h>
 #include <mutex>
 #include <spdlog/spdlog.h>
-#include <ixwebsocket/IXWebSocketServer.h>
+#include <sstream>
+#include <string>
+#include <vector>
 
 namespace ix
 {
@@ -28,20 +28,20 @@ namespace ix
 
     struct Logger
     {
-        public:
-            template <typename T>
-            Logger& operator<<(T const& obj)
-            {
-                std::lock_guard<std::mutex> lock(_mutex);
+    public:
+        template<typename T>
+        Logger& operator<<(T const& obj)
+        {
+            std::lock_guard<std::mutex> lock(_mutex);
 
-                std::stringstream ss;
-                ss << obj;
-                spdlog::info(ss.str());
-                return *this;
-            }
+            std::stringstream ss;
+            ss << obj;
+            spdlog::info(ss.str());
+            return *this;
+        }
 
-        private:
-            static std::mutex _mutex;
+    private:
+        static std::mutex _mutex;
     };
 
     void log(const std::string& msg);
@@ -49,4 +49,4 @@ namespace ix
     int getFreePort();
 
     bool startWebSocketEchoServer(ix::WebSocketServer& server);
-}
+} // namespace ix

ws/IXSentryClient.cpp

@@ -8,6 +8,7 @@
 
 #include <chrono>
 #include <iostream>
+#include <spdlog/spdlog.h>
 
 #include <ixwebsocket/IXWebSocketHttpHeaders.h>
 
@@ -88,7 +89,7 @@ namespace ix
                 ss >> lineno;
 
                 Json::Value frame;
-                frame["lineno"] = lineno;
+                frame["lineno"] = Json::UInt64(lineno);
                 frame["filename"] = fileName;
                 frame["function"] = function;
 
@@ -114,6 +115,7 @@ namespace ix
     std::string SentryClient::computePayload(const Json::Value& msg)
     {
         Json::Value payload;
+
         payload["platform"] = "python";
         payload["sdk"]["name"] = "ws";
         payload["sdk"]["version"] = "1.0.0";
@@ -132,59 +134,77 @@ namespace ix
 
         Json::Value extra;
         extra["cobra_event"] = msg;
+        extra["cobra_event"] = msg;
 
-        exception["extra"] = extra;
+        //
+        // "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);
     }
 
-    bool SentryClient::send(const Json::Value& msg,
-                            bool verbose)
+    std::pair<HttpResponsePtr, std::string> SentryClient::send(const Json::Value& msg,
+                                                               bool verbose)
     {
-        HttpRequestArgs args;
-        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)
+        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)
         {
-            std::cout << msg;
+            spdlog::info("request logger: {}", msg);
         };
 
         std::string body = computePayload(msg);
-        HttpResponse out = _httpClient.post(_url, body, args);
-
-        auto statusCode = std::get<0>(out);
-        auto errorCode = std::get<1>(out);
-        auto responseHeaders = std::get<2>(out);
-        auto payload = std::get<3>(out);
-        auto errorMsg = std::get<4>(out);
-        auto uploadSize = std::get<5>(out);
-        auto downloadSize = std::get<6>(out);
+        HttpResponsePtr response = _httpClient.post(_url, body, args);
 
         if (verbose)
         {
-            for (auto it : responseHeaders)
+            for (auto it : response->headers)
             {
-                std::cerr << it.first << ": " << it.second << std::endl;
+                spdlog::info("{}: {}", it.first, it.second);
             }
 
-            std::cerr << "Upload size: " << uploadSize << std::endl;
-            std::cerr << "Download size: " << downloadSize << std::endl;
+            spdlog::info("Upload size: {}", response->uploadSize);
+            spdlog::info("Download size: {}", response->downloadSize);
 
-            std::cerr << "Status: " << statusCode << std::endl;
-            if (errorCode != HttpErrorCode::Ok)
+            spdlog::info("Status: {}", response->statusCode);
+            if (response->errorCode != HttpErrorCode::Ok)
             {
-                std::cerr << "error message: " << errorMsg << std::endl;
+                spdlog::info("error message: {}", response->errorMsg);
             }
 
-            if (responseHeaders["Content-Type"] != "application/octet-stream")
+            if (response->headers["Content-Type"] != "application/octet-stream")
             {
-                std::cerr << "payload: " << payload << std::endl;
+                spdlog::info("payload: {}", response->payload);
             }
         }
 
-        return statusCode == 200;
+        return std::make_pair(response, body);
     }
 } // namespace ix

ws/IXSentryClient.h

@@ -6,6 +6,7 @@
 
 #pragma once
 
+#include <algorithm>
 #include <ixwebsocket/IXHttpClient.h>
 #include <jsoncpp/json/json.h>
 #include <regex>
@@ -18,7 +19,7 @@ namespace ix
         SentryClient(const std::string& dsn);
         ~SentryClient() = default;
 
-        bool send(const Json::Value& msg, bool verbose);
+        std::pair<HttpResponsePtr, std::string> send(const Json::Value& msg, bool verbose);
 
     private:
         int64_t getTimestamp();

ws/ixcobra/IXCobraMetricsPublisher.cpp

@@ -184,7 +184,7 @@ namespace ix
         msg["data"] = data;
         msg["session"] = _session;
         msg["version"] = kVersion;
-        msg["timestamp"] = getMillisecondsSinceEpoch();
+        msg["timestamp"] = Json::UInt64(getMillisecondsSinceEpoch());
 
         {
             std::lock_guard<std::mutex> lock(_device_mutex);

ws/ixcobra/IXCobraMetricsThreadedPublisher.cpp

@@ -99,7 +99,7 @@ namespace ix
     void CobraMetricsThreadedPublisher::pushMessage(MessageKind messageKind,
                                                     const Json::Value& msg)
     {
-        // Now actually enqueue the task
+        // Enqueue the task
         {
             // acquire lock
             std::unique_lock<std::mutex> lock(_queue_mutex);

ws/ixcobra/IXCobraMetricsThreadedPublisher.h

@@ -25,7 +25,6 @@ namespace ix
         ~CobraMetricsThreadedPublisher();
 
         /// Configuration / set keys, etc...
-        /// All input data but the channel name is encrypted with rc4
         void configure(const std::string& appkey,
                        const std::string& endpoint,
                        const std::string& channel,

ws/ixcrypto/IXHMac.cpp

@@ -10,7 +10,6 @@
 #if defined(IXWEBSOCKET_USE_MBED_TLS)
 # include <mbedtls/md.h>
 #elif defined(__APPLE__)
-#  include <ixwebsocket/IXSocketMbedTLS.h>
 # include <CommonCrypto/CommonHMAC.h>
 #else
 # include <openssl/hmac.h>

ws/ws.cpp

@@ -80,6 +80,7 @@ int main(int argc, char** argv)
     bool strict = false;
     bool stress = false;
     bool disableAutomaticReconnection = false;
+    bool disablePerMessageDeflate = false;
     int port = 8008;
     int redisPort = 6379;
     int statsdPort = 8125;
@@ -110,6 +111,7 @@ int main(int argc, char** argv)
     CLI::App* connectApp = app.add_subcommand("connect", "Connect to a remote server");
     connectApp->add_option("url", url, "Connection url")->required();
     connectApp->add_flag("-d", disableAutomaticReconnection, "Disable Automatic Reconnection");
+    connectApp->add_flag("-x", disablePerMessageDeflate, "Disable per message deflate");
 
     CLI::App* chatApp = app.add_subcommand("chat", "Group chat");
     chatApp->add_option("url", url, "Connection url")->required();
@@ -241,7 +243,8 @@ int main(int argc, char** argv)
     }
     else if (app.got_subcommand("connect"))
     {
-        ret = ix::ws_connect_main(url, disableAutomaticReconnection);
+        ret = ix::ws_connect_main(url, disableAutomaticReconnection,
+                                  disablePerMessageDeflate);
     }
     else if (app.got_subcommand("chat"))
     {

ws/ws.h

@@ -30,7 +30,9 @@ namespace ix
 
     int ws_chat_main(const std::string& url, const std::string& user);
 
-    int ws_connect_main(const std::string& url, bool disableAutomaticReconnection);
+    int ws_connect_main(const std::string& url,
+                        bool disableAutomaticReconnection,
+                        bool disablePerMessageDeflate);
 
     int ws_receive_main(const std::string& url, bool enablePerMessageDeflate, int delayMs);
 

ws/ws_cobra_to_sentry.cpp

@@ -14,6 +14,7 @@
 #include <mutex>
 #include <condition_variable>
 #include <ixcobra/IXCobraConnection.h>
+#include <spdlog/spdlog.h>
 
 #include "IXSentryClient.h"
 
@@ -50,6 +51,8 @@ namespace ix
                              &queue, verbose, &errorSending, &sentCount,
                              &stop, &dsn]
         {
+            SentryClient sentryClient(dsn);
+
             while (true)
             {
                 Json::Value msg;
@@ -62,10 +65,13 @@ namespace ix
                     queue.pop();
                 }
 
-                SentryClient sc(dsn);
-
-                if (!sc.send(msg, verbose))
+                auto ret = sentryClient.send(msg, verbose);
+                HttpResponsePtr response = ret.first;
+                if (response->statusCode != 200)
                 {
+                    spdlog::error("Error sending data to sentry: {}", response->statusCode);
+                    spdlog::error("Body: {}", ret.second);
+                    spdlog::error("Response: {}", response->payload);
                     errorSending = true;
                 }
                 else
@@ -99,16 +105,16 @@ namespace ix
             {
                 if (eventType == ix::CobraConnection_EventType_Open)
                 {
-                    std::cerr << "Subscriber: connected" << std::endl;
+                    spdlog::info("Subscriber connected");
 
                     for (auto it : headers)
                     {
-                        std::cerr << it.first << ": " << it.second << std::endl;
+                        spdlog::info("{}: {}", it.first, it.second);
                     }
                 }
                 if (eventType == ix::CobraConnection_EventType_Closed)
                 {
-                    std::cerr << "Subscriber: closed" << std::endl;
+                    spdlog::info("Subscriber closed");
                 }
                 else if (eventType == ix::CobraConnection_EventType_Authenticated)
                 {
@@ -122,7 +128,7 @@ namespace ix
                                    {
                                        if (verbose)
                                        {
-                                           std::cerr << jsonWriter.write(msg) << std::endl;
+                                           spdlog::info(jsonWriter.write(msg));
                                        }
 
                                        // If we cannot send to sentry fast enough, drop the message
@@ -132,8 +138,7 @@ namespace ix
                                            receivedCount != 0 &&
                                            (sentCount * scaleFactor < receivedCount))
                                        {
-                                           std::cerr << "message dropped: sending is backlogged !"
-                                                     << std::endl;
+                                           spdlog::warn("message dropped: sending is backlogged !");
 
                                            condition.notify_one();
                                            progressCondition.notify_one();
@@ -153,15 +158,15 @@ namespace ix
                 }
                 else if (eventType == ix::CobraConnection_EventType_Subscribed)
                 {
-                    std::cerr << "Subscriber: subscribed to channel " << subscriptionId << std::endl;
+                    spdlog::info("Subscriber: subscribed to channel {}", subscriptionId);
                 }
                 else if (eventType == ix::CobraConnection_EventType_UnSubscribed)
                 {
-                    std::cerr << "Subscriber: unsubscribed from channel " << subscriptionId << std::endl;
+                    spdlog::info("Subscriber: unsubscribed from channel {}", subscriptionId);
                 }
                 else if (eventType == ix::CobraConnection_EventType_Error)
                 {
-                    std::cerr << "Subscriber: error" << errMsg << std::endl;
+                    spdlog::error("Subscriber: error {}", errMsg);
                 }
             }
         );
@@ -172,18 +177,21 @@ namespace ix
             std::unique_lock<std::mutex> lock(progressConditionVariableMutex);
             progressCondition.wait(lock);
 
-            std::cout << "messages"
-                      << " received " << receivedCount
-                      << " sent " << sentCount
-                      << std::endl;
+            spdlog::info("messages received {} sent {}", receivedCount, sentCount);
 
             if (strict && errorSending) break;
         }
 
         conn.disconnect();
 
-        // FIXME: join all the bg threads and stop them.
+        // join all the bg threads and stop them.
+        stop = true;
+        for (int i = 0; i < jobs; i++)
+        {
+            spdlog::error("joining thread {}", i);
+            pool[i].join();
+        }
 
-        return 0;
+        return (strict && errorSending) ? 1 : 0;
     }
 }

ws/ws_connect.cpp

@@ -15,7 +15,8 @@ namespace ix
     {
         public:
             WebSocketConnect(const std::string& _url,
-                             bool disableAutomaticReconnection);
+                             bool disableAutomaticReconnection,
+                             bool disablePerMessageDeflate);
 
             void subscribe(const std::string& channel);
             void start();
@@ -26,13 +27,16 @@ namespace ix
         private:
             std::string _url;
             ix::WebSocket _webSocket;
+            bool _disablePerMessageDeflate;
 
             void log(const std::string& msg);
     };
 
     WebSocketConnect::WebSocketConnect(const std::string& url,
-                                       bool disableAutomaticReconnection) :
-        _url(url)
+                                       bool disableAutomaticReconnection,
+                                       bool disablePerMessageDeflate) :
+        _url(url),
+        _disablePerMessageDeflate(disablePerMessageDeflate)
     {
         if (disableAutomaticReconnection)
         {
@@ -54,9 +58,16 @@ namespace ix
     {
         _webSocket.setUrl(_url);
 
-        ix::WebSocketPerMessageDeflateOptions webSocketPerMessageDeflateOptions(
-            true, false, false, 15, 15);
-        _webSocket.setPerMessageDeflateOptions(webSocketPerMessageDeflateOptions);
+        if (_disablePerMessageDeflate)
+        {
+            _webSocket.disablePerMessageDeflate();
+        }
+        else
+        {
+            ix::WebSocketPerMessageDeflateOptions webSocketPerMessageDeflateOptions(
+                true, false, false, 15, 15);
+            _webSocket.setPerMessageDeflateOptions(webSocketPerMessageDeflateOptions);
+        }
 
         std::stringstream ss;
         log(std::string("Connecting to url: ") + _url);
@@ -130,10 +141,14 @@ namespace ix
         _webSocket.send(text);
     }
 
-    int ws_connect_main(const std::string& url, bool disableAutomaticReconnection)
+    int ws_connect_main(const std::string& url,
+                        bool disableAutomaticReconnection,
+                        bool disablePerMessageDeflate)
     {
         std::cout << "Type Ctrl-D to exit prompt..." << std::endl;
-        WebSocketConnect webSocketChat(url, disableAutomaticReconnection);
+        WebSocketConnect webSocketChat(url,
+                                       disableAutomaticReconnection,
+                                       disablePerMessageDeflate);
         webSocketChat.start();
 
         while (true)

ws/ws_http_client.cpp

@@ -95,19 +95,20 @@ namespace ix
                             const std::string& output,
                             bool compress)
     {
-        HttpRequestArgs args;
-        args.extraHeaders = parseHeaders(headersData);
-        args.connectTimeout = connectTimeout;
-        args.transferTimeout = transferTimeout;
-        args.followRedirects = followRedirects;
-        args.maxRedirects = maxRedirects;
-        args.verbose = verbose;
-        args.compress = compress;
-        args.logger = [](const std::string& msg)
+        HttpClient httpClient;
+        auto args = httpClient.createRequest();
+        args->extraHeaders = parseHeaders(headersData);
+        args->connectTimeout = connectTimeout;
+        args->transferTimeout = transferTimeout;
+        args->followRedirects = followRedirects;
+        args->maxRedirects = maxRedirects;
+        args->verbose = verbose;
+        args->compress = compress;
+        args->logger = [](const std::string& msg)
         {
             std::cout << msg;
         };
-        args.onProgressCallback = [](int current, int total) -> bool
+        args->onProgressCallback = [](int current, int total) -> bool
         {
             std::cerr << "\r" << "Downloaded "
                       << current << " bytes out of " << total;
@@ -116,46 +117,37 @@ namespace ix
 
         HttpParameters httpParameters = parsePostParameters(data);
 
-        HttpClient httpClient;
-        HttpResponse out;
+        HttpResponsePtr response;
         if (headersOnly)
         {
-            out = httpClient.head(url, args);
+            response = httpClient.head(url, args);
         }
         else if (data.empty())
         {
-            out = httpClient.get(url, args);
+            response = httpClient.get(url, args);
         }
         else
         {
-            out = httpClient.post(url, httpParameters, args);
+            response = httpClient.post(url, httpParameters, args);
         }
 
         std::cerr << std::endl;
 
-        auto statusCode = std::get<0>(out);
-        auto errorCode = std::get<1>(out);
-        auto responseHeaders = std::get<2>(out);
-        auto payload = std::get<3>(out);
-        auto errorMsg = std::get<4>(out);
-        auto uploadSize = std::get<5>(out);
-        auto downloadSize = std::get<6>(out);
-
-        for (auto it : responseHeaders)
+        for (auto it : response->headers)
         {
             std::cerr << it.first << ": " << it.second << std::endl;
         }
 
-        std::cerr << "Upload size: " << uploadSize << std::endl;
-        std::cerr << "Download size: " << downloadSize << std::endl;
+        std::cerr << "Upload size: " << response->uploadSize << std::endl;
+        std::cerr << "Download size: " << response->downloadSize << std::endl;
 
-        std::cerr << "Status: " << statusCode << std::endl;
-        if (errorCode != HttpErrorCode::Ok)
+        std::cerr << "Status: " << response->statusCode << std::endl;
+        if (response->errorCode != HttpErrorCode::Ok)
         {
-            std::cerr << "error message: " << errorMsg << std::endl;
+            std::cerr << "error message: " << response->errorMsg << std::endl;
         }
 
-        if (!headersOnly && errorCode == HttpErrorCode::Ok)
+        if (!headersOnly && response->errorCode == HttpErrorCode::Ok)
         {
             if (save || !output.empty())
             {
@@ -168,14 +160,14 @@ namespace ix
 
                 std::cout << "Writing to disk: " << filename << std::endl;
                 std::ofstream out(filename);
-                out.write((char*)&payload.front(), payload.size());
+                out.write((char*)&response->payload.front(), response->payload.size());
                 out.close();
             }
             else
             {
-                if (responseHeaders["Content-Type"] != "application/octet-stream")
+                if (response->headers["Content-Type"] != "application/octet-stream")
                 {
-                    std::cout << "payload: " << payload << std::endl;
+                    std::cout << "payload: " << response->payload << std::endl;
                 }
                 else
                 {