First compilation

+*.swp
+*.o
+WebServer.exe

+[submodule "socket"]
+	path = socket
+	url = https://github.com/ReneNyffenegger/Socket.cpp
+[submodule "base64"]
+	path = base64
+	url = https://github.com/ReneNyffenegger/cpp-base64

+/* 
+   Tracer.h
+
+   Copyright (C) 2002-2004 René Nyffenegger
+
+   This source code is provided 'as-is', without any express or implied
+   warranty. In no event will the author be held liable for any damages
+   arising from the use of this software.
+
+   Permission is granted to anyone to use this software for any purpose,
+   including commercial applications, and to alter it and redistribute it
+   freely, subject to the following restrictions:
+
+   1. The origin of this source code must not be misrepresented; you must not
+      claim that you wrote the original source code. If you use this source code
+      in a product, an acknowledgment in the product documentation would be
+      appreciated but is not required.
+
+   2. Altered source versions must be plainly marked as such, and must not be
+      misrepresented as being the original source code.
+
+   3. This notice may not be removed or altered from any source distribution.
+
+   René Nyffenegger rene.nyffenegger@adp-gmbh.ch
+*/
+
+#ifndef __TRACER_H__
+#define __TRACER_H__
+
+#ifdef DO_TRACE 
+
+#include <string>
+#include <sstream>
+#include <windows.h>
+
+#define StartTrace(x)    TraceFunc_::StartTrace_(x)
+#define Trace(x)         dummy_____for_trace_func______.Trace_(x)
+#define Trace2(x,y)      dummy_____for_trace_func______.Trace_(x,y)
+#define TraceFunc(x)     TraceFunc_ dummy_____for_trace_func______(x)
+#define TraceFunc2(x,y)  TraceFunc_ dummy_____for_trace_func______(x,y)
+
+class TraceFunc_ {
+  std::string func_name_;
+  public:
+    TraceFunc_(std::string const&);
+    TraceFunc_(std::string const&, std::string const&);
+   ~TraceFunc_();
+
+    static void StartTrace_(std::string const& file_name);
+
+    template <typename T>
+    void Trace_(T const& t) {
+      DWORD d;
+      std::string indent_s;
+      std::stringstream s;
+
+      s << t;
+  
+      for (int i=0; i< indent; i++) indent_s += " ";
+  
+      ::WriteFile(trace_file_,indent_s.c_str(), indent_s.size(), &d, 0);
+      ::WriteFile(trace_file_, s.str().c_str(), s.str().size() ,&d, 0);
+      ::WriteFile(trace_file_,"\x0a",1,&d,0);
+    }
+
+    template <class T, class U>
+    void Trace_(T const& t, U const& u) {
+      DWORD d;
+      std::string indent_s;
+      std::stringstream s;
+
+      s << t;
+      s << u;
+  
+      for (int i=0; i< indent; i++) indent_s += " ";
+  
+      ::WriteFile(trace_file_,indent_s.c_str(), indent_s.size(), &d, 0);
+      ::WriteFile(trace_file_, s.str().c_str(), s.str().size() ,&d, 0);
+      ::WriteFile(trace_file_,"\x0a",1,&d,0);
+    }
+
+    static int    indent;
+    static HANDLE trace_file_;
+};
+
+#else
+
+#define StartTrace(x)
+#define Trace(x)
+#define Trace2(x,y)
+#define TraceFunc(x)
+#define TraceFunc2(x,y)
+
+
+#endif  // DO_TRACE
+
+#endif  // __TRACER_H__
+

+/* 
+   UrlHelper.cpp
+
+   Copyright (C) 2002-2004 René Nyffenegger
+
+   This source code is provided 'as-is', without any express or implied
+   warranty. In no event will the author be held liable for any damages
+   arising from the use of this software.
+
+   Permission is granted to anyone to use this software for any purpose,
+   including commercial applications, and to alter it and redistribute it
+   freely, subject to the following restrictions:
+
+   1. The origin of this source code must not be misrepresented; you must not
+      claim that you wrote the original source code. If you use this source code
+      in a product, an acknowledgment in the product documentation would be
+      appreciated but is not required.
+
+   2. Altered source versions must be plainly marked as such, and must not be
+      misrepresented as being the original source code.
+
+   3. This notice may not be removed or altered from any source distribution.
+
+   René Nyffenegger rene.nyffenegger@adp-gmbh.ch
+*/
+
+
+#include "UrlHelper.h"
+#include "Tracer.h"
+#include "stdHelpers.h"
+
+#include <windows.h>
+#include <sstream>
+#include <iostream>
+
+bool RemoveProtocolFromUrl(std::string const& url, std::string& protocol, std::string& rest) {
+  TraceFunc("RemoveProtocolFromUrl");
+  Trace(std::string("url='")+url+"'");
+  std::string::size_type pos_colon = url.find(":");
+
+  if (pos_colon == std::string::npos) {
+    rest = url;  
+    return false;
+  }
+
+  if (url.size() < pos_colon + 2) {
+    rest = url;
+    return false;
+  }
+
+  if (url[pos_colon+1] != '/' ||
+      url[pos_colon+2] != '/')  {
+    rest = url;
+    return false;
+  }
+
+  protocol = url.substr(0,pos_colon);
+  rest     = url.substr(3+pos_colon);  // Skipping three characters ( '://' )
+
+  return true;
+}
+
+void SplitGetReq(std::string get_req, std::string& path, std::map<std::string, std::string>& params) {
+  TraceFunc("SplitGetReq");
+
+  // Remove trailing newlines
+  if (get_req[get_req.size()-1] == '\x0d' ||
+      get_req[get_req.size()-1] == '\x0a')
+      get_req=get_req.substr(0, get_req.size()-1);
+
+  if (get_req[get_req.size()-1] == '\x0d' ||
+      get_req[get_req.size()-1] == '\x0a')
+      get_req=get_req.substr(0, get_req.size()-1);
+
+  // Remove potential Trailing HTTP/1.x
+  if (get_req.size() > 7) {
+    if (get_req.substr(get_req.size()-8, 7) == "HTTP/1.") {
+      get_req=get_req.substr(0, get_req.size()-9);
+    }
+  }
+
+  std::string::size_type qm = get_req.find("?");
+  if (qm != std::string::npos) {
+    std::string url_params = get_req.substr(qm+1);
+
+    path = get_req.substr(0, qm);
+
+    // Appending a '&' so that there are as many '&' as name-value pairs.
+    // It makes it easier to split the url for name value pairs, he he he
+    url_params += "&";
+
+    std::string::size_type next_amp = url_params.find("&");
+
+    while (next_amp != std::string::npos) {
+      std::string name_value = url_params.substr(0,next_amp);
+      url_params             = url_params.substr(next_amp+1);
+      next_amp               = url_params.find("&");
+
+      std::string::size_type pos_equal = name_value.find("=");
+
+      std::string nam = name_value.substr(0,pos_equal);
+      std::string val = name_value.substr(pos_equal+1);
+
+      std::string::size_type pos_plus;
+      while ( (pos_plus = val.find("+")) != std::string::npos ) {
+        val.replace(pos_plus, 1, " ");
+      }
+
+      // Replacing %xy notation
+      std::string::size_type pos_hex = 0;
+      while ( (pos_hex = val.find("%", pos_hex)) != std::string::npos ) {
+        std::stringstream h;
+        h << val.substr(pos_hex+1, 2);
+        h << std::hex;
+
+        int i;
+        h>>i;
+
+        std::stringstream f;
+        f << static_cast<char>(i);
+        std::string s;
+        f >> s;
+
+        val.replace(pos_hex, 3, s);
+        pos_hex ++;
+      }
+
+      params.insert(std::map<std::string,std::string>::value_type(nam, val));
+    }
+  }
+  else {
+    path = get_req;
+  }
+}
+
+void SplitUrl(std::string const& url, std::string& protocol, std::string& server, std::string& path) {
+  TraceFunc("SplitUrl");
+  RemoveProtocolFromUrl(url, protocol, server);
+
+  if (protocol == "http") {
+    std::string::size_type pos_slash = server.find("/");
+  
+    if (pos_slash != std::string::npos) {
+      Trace("slash found");
+      path   = server.substr(pos_slash);
+      server = server.substr(0, pos_slash);
+    }
+    else {
+      Trace("slash not found");
+      path = "/";
+    }
+  }
+  else if (protocol == "file") {
+    path = ReplaceInStr(server, "\\", "/");
+    server = "";
+  }
+  else {
+    std::cerr << "unknown protocol in SplitUrl: '" << protocol << "'" << std::endl;
+  }
+}

+/* 
+   UrlHelper.h
+
+   Copyright (C) 2002-2004 René Nyffenegger
+
+   This source code is provided 'as-is', without any express or implied
+   warranty. In no event will the author be held liable for any damages
+   arising from the use of this software.
+
+   Permission is granted to anyone to use this software for any purpose,
+   including commercial applications, and to alter it and redistribute it
+   freely, subject to the following restrictions:
+
+   1. The origin of this source code must not be misrepresented; you must not
+      claim that you wrote the original source code. If you use this source code
+      in a product, an acknowledgment in the product documentation would be
+      appreciated but is not required.
+
+   2. Altered source versions must be plainly marked as such, and must not be
+      misrepresented as being the original source code.
+
+   3. This notice may not be removed or altered from any source distribution.
+
+   René Nyffenegger rene.nyffenegger@adp-gmbh.ch
+*/
+#ifndef __URL_HELPER_H__
+#define __URL_HELPER_H__
+
+#include <string>
+#include <map>
+
+void SplitUrl             (std::string const& url, std::string& protocol, std::string& server, std::string& path);
+bool RemoveProtocolFromUrl(std::string const& url, std::string& protocol, std::string& rest);
+
+void SplitGetReq          (std::string et_req,     std::string& path,     std::map<std::string, std::string>& params);
+
+
+#endif

++Subproject commit 26a73f38176434075d1f056bf5d207ee20918c26

+
+rem set INC_DIR_SOCKET=socket\src
+rem set GCC_FLAGS=-I %INC_DIR_SOCKET%
+
+g++ -I socket\src -I base64 -c webserver.cpp
+g++ -I socket\src           -c main.cpp
+g++                         -c stdHelpers.cpp
+g++                         -c UrlHelper.cpp
+g++ -I socket\src           -c socket\src\Socket.cpp -o Socket.o
+g++                         -c base64\base64.cpp     -o base64.o
+
+
+g++ webserver.o base64.o main.o stdHelpers.o UrlHelper.o Socket.o -lwsock32 -o WebServer.exe

+#include "webserver.h"
+#include "Socket.h"
+
+void Request_Handler(webserver::http_request* r) {
+  Socket s = *(r->s_);
+
+  std::string title;
+  std::string body;
+  std::string bgcolor="#ffffff";
+  std::string links =
+      "<p><a href='/red'>red</a> "
+      "<br><a href='/blue'>blue</a> "
+      "<br><a href='/form'>form</a> "
+      "<br><a href='/auth'>authentication example</a> [use <b>rene</b> as username and <b>secretGarden</b> as password"
+      "<br><a href='/header'>show some HTTP header details</a> "
+      ;
+
+  if(r->path_ == "/") {
+    title = "Web Server Example";
+    body  = "<h1>Welcome to Rene's Web Server</h1>"
+            "I wonder what you're going to click"  + links;
+  }
+  else if (r->path_ == "/red") {
+    bgcolor = "#ff4444";
+    title   = "You chose red";
+    body    = "<h1>Red</h1>" + links;
+  }
+  else if (r->path_ == "/blue") {
+    bgcolor = "#4444ff";
+    title   = "You chose blue";
+    body    = "<h1>Blue</h1>" + links;
+  }
+  else if (r->path_ == "/form") {
+    title   = "Fill a form";
+
+    body    = "<h1>Fill a form</h1>";
+    body   += "<form action='/form'>"
+              "<table>"
+              "<tr><td>Field 1</td><td><input name=field_1></td></tr>"
+              "<tr><td>Field 2</td><td><input name=field_2></td></tr>"
+              "<tr><td>Field 3</td><td><input name=field_3></td></tr>"
+              "</table>"
+              "<input type=submit></form>";
+
+
+    for (std::map<std::string, std::string>::const_iterator i = r->params_.begin();
+         i != r->params_.end();
+         i++) {
+
+      body += "<br>" + i->first + " = " + i->second;
+    }
+
+
+    body += "<hr>" + links;
+
+  }
+  else if (r->path_ == "/auth") {
+    if (r->authentication_given_) {
+      if (r->username_ == "rene" && r->password_ == "secretGarden") {
+         body = "<h1>Successfully authenticated</h1>" + links;
+      }
+      else {
+         body = "<h1>Wrong username or password</h1>" + links;
+         r->auth_realm_ = "Private Stuff";
+      }
+    }
+    else {
+      r->auth_realm_ = "Private Stuff";
+    }
+  }
+  else if (r->path_ == "/header") {
+    title   = "some HTTP header details";
+    body    = std::string ("<table>")                                   +
+              "<tr><td>Accept:</td><td>"          + r->accept_          + "</td></tr>" +
+              "<tr><td>Accept-Encoding:</td><td>" + r->accept_encoding_ + "</td></tr>" +
+              "<tr><td>Accept-Language:</td><td>" + r->accept_language_ + "</td></tr>" +
+              "<tr><td>User-Agent:</td><td>"      + r->user_agent_      + "</td></tr>" +
+              "</table>"                                                +
+              links;
+  }
+  else {
+    r->status_ = "404 Not Found";
+    title      = "Wrong URL";
+    body       = "<h1>Wrong URL</h1>";
+    body      += "Path is : &gt;" + r->path_ + "&lt;"; 
+  }
+
+  r->answer_  = "<html><head><title>";
+  r->answer_ += title;
+  r->answer_ += "</title></head><body bgcolor='" + bgcolor + "'>";
+  r->answer_ += body;
+  r->answer_ += "</body></html>";
+}
+
+int main() {
+  webserver(8080, Request_Handler);
+}

++Subproject commit 713768b97514363aede0b77a96fa8af59e952b5f

+/* 
+   stdHelpers.cpp
+
+   Copyright (C) 2002-2004 René Nyffenegger
+
+   This source code is provided 'as-is', without any express or implied
+   warranty. In no event will the author be held liable for any damages
+   arising from the use of this software.
+
+   Permission is granted to anyone to use this software for any purpose,
+   including commercial applications, and to alter it and redistribute it
+   freely, subject to the following restrictions:
+
+   1. The origin of this source code must not be misrepresented; you must not
+      claim that you wrote the original source code. If you use this source code
+      in a product, an acknowledgment in the product documentation would be
+      appreciated but is not required.
+
+   2. Altered source versions must be plainly marked as such, and must not be
+      misrepresented as being the original source code.
+
+   3. This notice may not be removed or altered from any source distribution.
+
+   René Nyffenegger rene.nyffenegger@adp-gmbh.ch
+*/
+
+#include "stdHelpers.h"
+#include <algorithm>
+#include <cctype>
+
+std::string ReplaceInStr(const std::string& in, const std::string& search_for, const std::string& replace_with) {
+  std::string ret = in;
+
+  std::string::size_type pos = ret.find(search_for);
+
+  while (pos != std::string::npos) {
+    ret = ret.replace(pos, search_for.size(), replace_with);
+    pos = pos - search_for.size() + replace_with.size() + 1;
+    pos = ret.find(search_for, pos);
+  }
+
+  return ret;
+}
+
+// std:toupper and std::tolower are overloaded. Well...
+// http://gcc.gnu.org/ml/libstdc++/2002-11/msg00180.html
+char toLower_ (char c) { return std::tolower(c); } 
+char toUpper_ (char c) { return std::toupper(c); } 
+
+void ToUpper(std::string& s) {
+  std::transform(s.begin(), s.end(), s.begin(),toUpper_);
+}
+
+void ToLower(std::string& s) {
+  std::transform(s.begin(), s.end(), s.begin(),toLower_);
+}

+/* 
+   stdHelpers.h
+
+   Copyright (C) 2002-2005 René Nyffenegger
+
+   This source code is provided 'as-is', without any express or implied
+   warranty. In no event will the author be held liable for any damages
+   arising from the use of this software.
+
+   Permission is granted to anyone to use this software for any purpose,
+   including commercial applications, and to alter it and redistribute it
+   freely, subject to the following restrictions:
+
+   1. The origin of this source code must not be misrepresented; you must not
+      claim that you wrote the original source code. If you use this source code
+      in a product, an acknowledgment in the product documentation would be
+      appreciated but is not required.
+
+   2. Altered source versions must be plainly marked as such, and must not be
+      misrepresented as being the original source code.
+
+   3. This notice may not be removed or altered from any source distribution.
+
+   René Nyffenegger rene.nyffenegger@adp-gmbh.ch
+*/
+
+#ifndef STDHELPERS_H__
+#define STDHELPERS_H__
+
+#include <string>
+#include <sstream>
+
+std::string ReplaceInStr(const std::string& in, const std::string& search_for, const std::string& replace_with);
+
+void ToUpper(std::string& s);
+void ToLower(std::string& s);
+
+template <class T>
+T To(std::string const& s) {
+  T ret;
+
+  std::stringstream stream;
+  stream << s;
+  stream >> ret;
+
+  return ret;
+}
+
+template<class T>
+std::string StringFrom(T const& t) {
+  std::string ret;
+
+  std::stringstream stream;
+  stream << t;
+  stream >> ret;
+
+  return ret;
+}
+
+#endif

+/*
+   WebServer.cpp
+
+   Copyright (C) 2003-2004 René Nyffenegger
+
+   This source code is provided 'as-is', without any express or implied
+   warranty. In no event will the author be held liable for any damages
+   arising from the use of this software.
+
+   Permission is granted to anyone to use this software for any purpose,
+   including commercial applications, and to alter it and redistribute it
+   freely, subject to the following restrictions:
+
+   1. The origin of this source code must not be misrepresented; you must not
+      claim that you wrote the original source code. If you use this source code
+      in a product, an acknowledgment in the product documentation would be
+      appreciated but is not required.
+
+   2. Altered source versions must be plainly marked as such, and must not be
+      misrepresented as being the original source code.
+
+   3. This notice may not be removed or altered from any source distribution.
+
+   René Nyffenegger rene.nyffenegger@adp-gmbh.ch
+
+   Thanks to Tom Lynn who pointed out an error in this source code.
+*/
+
+#include <ctime>
+#include <process.h>
+#include <iostream>
+#include <string>
+#include <map>
+#include <sstream>
+//<process.h>
+
+
+#include "webserver.h"
+#include "socket.h"
+#include "UrlHelper.h"
+#include "base64.h"
+
+webserver::request_func webserver::request_func_=0;
+
+unsigned webserver::Request(void* ptr_s) {
+  Socket s = *(reinterpret_cast<Socket*>(ptr_s));
+  
+  std::string line = s.ReceiveLine();
+  if (line.empty()) {
+    return 1;
+  }
+
+  http_request req;
+
+  if (line.find("GET") == 0) {
+    req.method_="GET";
+  }
+  else if (line.find("POST") == 0) {
+    req.method_="POST";
+  }
+
+  std::string path;
+  std::map<std::string, std::string> params;
+
+  size_t posStartPath = line.find_first_not_of(" ",3);
+
+  SplitGetReq(line.substr(posStartPath), path, params);
+
+  req.status_ = "202 OK";
+  req.s_      = &s;
+  req.path_   = path;
+  req.params_ = params;
+
+  static const std::string authorization   = "Authorization: Basic ";
+  static const std::string accept          = "Accept: "             ;
+  static const std::string accept_language = "Accept-Language: "    ;
+  static const std::string accept_encoding = "Accept-Encoding: "    ;
+  static const std::string user_agent      = "User-Agent: "         ;
+
+  while(1) {
+    line=s.ReceiveLine();
+
+    if (line.empty()) break;
+
+    unsigned int pos_cr_lf = line.find_first_of("\x0a\x0d");
+    if (pos_cr_lf == 0) break;
+
+    line = line.substr(0,pos_cr_lf);
+
+    if (line.substr(0, authorization.size()) == authorization) {
+      req.authentication_given_ = true;
+      std::string encoded = line.substr(authorization.size());
+      std::string decoded = base64_decode(encoded);
+
+      unsigned int pos_colon = decoded.find(":");
+
+      req.username_ = decoded.substr(0, pos_colon);
+      req.password_ = decoded.substr(pos_colon+1 );
+    }
+    else if (line.substr(0, accept.size()) == accept) {
+      req.accept_ = line.substr(accept.size());
+    }
+    else if (line.substr(0, accept_language.size()) == accept_language) {
+      req.accept_language_ = line.substr(accept_language.size());
+    }
+    else if (line.substr(0, accept_encoding.size()) == accept_encoding) {
+      req.accept_encoding_ = line.substr(accept_encoding.size());
+    }
+    else if (line.substr(0, user_agent.size()) == user_agent) {
+      req.user_agent_ = line.substr(user_agent.size());
+    }
+  }
+
+  request_func_(&req);
+
+  std::stringstream str_str;
+  str_str << req.answer_.size();
+
+  time_t ltime;
+  time(&ltime);
+  tm* gmt= gmtime(&ltime);
+
+  static std::string const serverName = "RenesWebserver (Windows)";
+
+  char* asctime_remove_nl = asctime(gmt);
+  asctime_remove_nl[24] = 0;
+
+  s.SendBytes("HTTP/1.1 ");
+
+  if (! req.auth_realm_.empty() ) {
+    s.SendLine("401 Unauthorized");
+    s.SendBytes("WWW-Authenticate: Basic Realm=\"");
+    s.SendBytes(req.auth_realm_);
+    s.SendLine("\"");
+  }
+  else {
+    s.SendLine(req.status_);
+  }
+  s.SendLine(std::string("Date: ") + asctime_remove_nl + " GMT");
+  s.SendLine(std::string("Server: ") +serverName);
+  s.SendLine("Connection: close");
+  s.SendLine("Content-Type: text/html; charset=ISO-8859-1");
+  s.SendLine("Content-Length: " + str_str.str());
+  s.SendLine("");
+  s.SendLine(req.answer_);
+
+  s.Close();
+  
+
+  return 0;
+}
+
+webserver::webserver(unsigned int port_to_listen, request_func r) {
+  SocketServer in(port_to_listen,5);
+
+  request_func_ = r;
+
+  while (1) {
+    Socket* ptr_s=in.Accept();
+
+    unsigned ret;
+    _beginthreadex(0,0,Request,(void*) ptr_s,0,&ret);
+  }
+}

+/*
+   WebServer.h
+
+   Copyright (C) 2003-2004 René Nyffenegger
+
+   This source code is provided 'as-is', without any express or implied
+   warranty. In no event will the author be held liable for any damages
+   arising from the use of this software.
+
+   Permission is granted to anyone to use this software for any purpose,
+   including commercial applications, and to alter it and redistribute it
+   freely, subject to the following restrictions:
+
+   1. The origin of this source code must not be misrepresented; you must not
+      claim that you wrote the original source code. If you use this source code
+      in a product, an acknowledgment in the product documentation would be
+      appreciated but is not required.
+
+   2. Altered source versions must be plainly marked as such, and must not be
+      misrepresented as being the original source code.
+
+   3. This notice may not be removed or altered from any source distribution.
+
+   René Nyffenegger rene.nyffenegger@adp-gmbh.ch
+
+*/
+
+#include <string>
+#include <map>
+
+class Socket;
+
+class webserver {
+  public:
+    struct http_request {
+    
+      http_request() : authentication_given_(false) {}
+    
+      Socket*                            s_;
+      std::string                        method_;
+      std::string                        path_;
+      std::map<std::string, std::string> params_;
+
+      std::string                        accept_;
+      std::string                        accept_language_;
+      std::string                        accept_encoding_;
+      std::string                        user_agent_;
+    
+      /* status_: used to transmit server's error status, such as
+         o  202 OK
+         o  404 Not Found 
+         and so on */
+      std::string                        status_;
+    
+      /* auth_realm_: allows to set the basic realm for an authentication,
+         no need to additionally set status_ if set */
+      std::string                        auth_realm_;
+    
+      std::string                        answer_;
+    
+      /*   authentication_given_ is true when the user has entered a username and password.
+           These can then be read from username_ and password_ */
+      bool authentication_given_;
+      std::string username_;
+      std::string password_;
+    };
+
+    typedef   void (*request_func) (http_request*);
+    webserver(unsigned int port_to_listen, request_func);
+
+
+  private:
+    static unsigned __stdcall Request(void*);
+    static request_func request_func_;
+};
+