Add basic http server

CMakeLists.txt

@@ -261,6 +261,7 @@ set(MODULES
     src/WavFileWriter.cpp
     src/madlld-1.1p1/bstdfile.c
     src/pdjson/pdjson.c
+    src/HttpServer.cpp
 )
 
 set(SRCS

src/HttpServer.cpp

@@ -0,0 +1,15 @@
+#include "HttpServer.h"
+#include <iostream>
+#include "crow/crow_all.h"
+
+void HttpServer::run() {
+    std::cout << "Starting Http server" << std::endl;
+
+    crow::SimpleApp app;
+
+    CROW_ROUTE(app, "/")([](){
+        return "Hello!";
+    });
+
+    app.port(18080).multithreaded().run();
+}

src/HttpServer.h

@@ -0,0 +1,6 @@
+#pragma once
+
+class HttpServer {
+    public:
+    void run();
+};

src/OptionHandler.cpp

@@ -30,6 +30,7 @@
 #include "FileFormat.h"
 #include "FileUtil.h"
 #include "GdImageRenderer.h"
+#include "HttpServer.h"
 #include "Mp3AudioFileReader.h"
 #include "Log.h"
 #include "Options.h"
@@ -688,6 +689,12 @@ bool OptionHandler::run(const Options& options)
 
     setLogLevel(options.getQuiet());
 
+    if(options.serverMode()) {
+        HttpServer httpServer{};
+        httpServer.run();
+        return true;
+    }
+
     bool success = true;
 
     try {

src/Options.cpp

@@ -71,7 +71,8 @@ Options::Options() :
     amplitude_scale_(1.0),
     png_compression_level_(-1), // default
     raw_sample_rate_(0),
-    raw_channels_(0)
+    raw_channels_(0),
+    server_mode_(false)
 {
 }
 
@@ -268,6 +269,9 @@ bool Options::parseCommandLine(int argc, const char* const* argv)
         "format for raw audio input "
         "(s8, u8, s16le, s16be, s24le, s24be, s32le, s32be, "
         "f32le, f32be, f64le, f64be)"
+    )(
+        "server",
+        "run in server mode"
     );
 
     po::variables_map variables_map;
@@ -279,11 +283,13 @@ bool Options::parseCommandLine(int argc, const char* const* argv)
 
         help_    = variables_map.count("help") != 0;
         version_ = variables_map.count("version") != 0;
+        server_mode_ = hasOptionValue(variables_map, "server");
 
-        if (help_ || version_) {
+        if (help_ || version_ || server_mode_) {
             return true;
         }
 
+
         quiet_ = variables_map.count("quiet") != 0;
 
         split_channels_ = variables_map.count("split-channels") != 0;
@@ -324,11 +330,15 @@ bool Options::parseCommandLine(int argc, const char* const* argv)
         bool has_raw_channels    = hasOptionValue(variables_map, "raw-channels");
         bool has_raw_format      = hasOptionValue(variables_map, "raw-format");
 
-        if (input_filename_.empty() && !has_input_format_) {
-            reportError("Must specify either input filename or input format");
+        if (input_filename_.empty() && !has_input_format_ && !server_mode_) {
+            reportError("Must specify either input filename, input format or start in server mode");
             return false;
         }
 
+        if(server_mode_) {
+            return true;
+        }
+
         input_format_ = has_input_format_ ?
             FileFormat::fromString(input_format) :
             getFormatFromFileExtension(input_filename_);

src/Options.h

@@ -130,6 +130,8 @@ class Options
 
         void reportError(const std::string& message) const;
 
+        bool serverMode() const {return server_mode_;}
+
     private:
         void handleAmplitudeScaleOption(const std::string& option_value);
         void handleZoomOption(const std::string& option_value);
@@ -198,6 +200,8 @@ class Options
         int raw_sample_rate_;
         int raw_channels_;
         std::string raw_format_;
+
+        bool server_mode_;
 };
 
 //------------------------------------------------------------------------------