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// HTTPServer.cpp
// Implements the cHTTPServer class representing a HTTP webserver that uses cListenThread and cSocketThreads for processing
#include "Globals.h"
#include "HTTPServer.h"
#include "HTTPMessage.h"
#include "HTTPConnection.h"
#include "HTTPFormParser.h"
// Disable MSVC warnings:
#if defined(_MSC_VER)
#pragma warning(push)
#pragma warning(disable:4355) // 'this' : used in base member initializer list
#endif
class cDebugCallbacks :
public cHTTPServer::cCallbacks,
protected cHTTPFormParser::cCallbacks
{
virtual void OnRequestBegun(cHTTPConnection & a_Connection, cHTTPRequest & a_Request) override
{
if (cHTTPFormParser::HasFormData(a_Request))
{
a_Request.SetUserData(new cHTTPFormParser(a_Request, *this));
}
}
virtual void OnRequestBody(cHTTPConnection & a_Connection, cHTTPRequest & a_Request, const char * a_Data, int a_Size) override
{
cHTTPFormParser * FormParser = (cHTTPFormParser *)(a_Request.GetUserData());
if (FormParser != NULL)
{
FormParser->Parse(a_Data, a_Size);
}
}
virtual void OnRequestFinished(cHTTPConnection & a_Connection, cHTTPRequest & a_Request) override
{
cHTTPFormParser * FormParser = (cHTTPFormParser *)(a_Request.GetUserData());
if (FormParser != NULL)
{
if (FormParser->Finish())
{
cHTTPResponse Resp;
Resp.SetContentType("text/html");
a_Connection.Send(Resp);
a_Connection.Send("<html><body><table border=1 cellspacing=0><tr><th>Name</th><th>Value</th></tr>\r\n");
for (cHTTPFormParser::iterator itr = FormParser->begin(), end = FormParser->end(); itr != end; ++itr)
{
a_Connection.Send(Printf("<tr><td valign=\"top\"><pre>%s</pre></td><td valign=\"top\"><pre>%s</pre></td></tr>\r\n", itr->first.c_str(), itr->second.c_str()));
} // for itr - FormParser[]
a_Connection.Send("</table></body></html>");
return;
}
// Parsing failed:
cHTTPResponse Resp;
Resp.SetContentType("text/plain");
a_Connection.Send(Resp);
a_Connection.Send("Form parsing failed");
return;
}
cHTTPResponse Resp;
Resp.SetContentType("text/plain");
a_Connection.Send(Resp);
a_Connection.Send("Hello, world");
}
virtual void OnFileStart(cHTTPFormParser & a_Parser, const AString & a_FileName) override
{
// TODO
}
virtual void OnFileData(cHTTPFormParser & a_Parser, const char * a_Data, int a_Size) override
{
// TODO
}
virtual void OnFileEnd(cHTTPFormParser & a_Parser) override
{
// TODO
}
} g_DebugCallbacks;
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// cHTTPServer:
cHTTPServer::cHTTPServer(void) :
m_ListenThreadIPv4(*this, cSocket::IPv4, "WebServer IPv4"),
m_ListenThreadIPv6(*this, cSocket::IPv6, "WebServer IPv6"),
m_Callbacks(NULL)
{
}
bool cHTTPServer::Initialize(cIniFile & a_IniFile)
{
if (!a_IniFile.GetValueSetB("WebAdmin", "Enabled", false))
{
// The WebAdmin is disabled
return true;
}
bool HasAnyPort;
HasAnyPort = m_ListenThreadIPv4.Initialize(a_IniFile.GetValueSet("WebAdmin", "Port", "8081"));
HasAnyPort = m_ListenThreadIPv6.Initialize(a_IniFile.GetValueSet("WebAdmin", "PortsIPv6", "8082, 3300")) || HasAnyPort;
if (!HasAnyPort)
{
LOG("WebAdmin is disabled");
return false;
}
// DEBUG:
return Start(g_DebugCallbacks);
return true;
}
bool cHTTPServer::Start(cCallbacks & a_Callbacks)
{
m_Callbacks = &a_Callbacks;
if (!m_ListenThreadIPv4.Start())
{
return false;
}
if (!m_ListenThreadIPv6.Start())
{
m_ListenThreadIPv4.Stop();
return false;
}
return true;
}
void cHTTPServer::Stop(void)
{
m_ListenThreadIPv4.Stop();
m_ListenThreadIPv6.Stop();
// Drop all current connections:
cCSLock Lock(m_CSConnections);
for (cHTTPConnections::iterator itr = m_Connections.begin(), end = m_Connections.end(); itr != end; ++itr)
{
m_SocketThreads.RemoveClient(*itr);
} // for itr - m_Connections[]
}
void cHTTPServer::OnConnectionAccepted(cSocket & a_Socket)
{
cHTTPConnection * Connection = new cHTTPConnection(*this);
m_SocketThreads.AddClient(a_Socket, Connection);
cCSLock Lock(m_CSConnections);
m_Connections.push_back(Connection);
}
void cHTTPServer::CloseConnection(cHTTPConnection & a_Connection)
{
m_SocketThreads.RemoveClient(&a_Connection);
cCSLock Lock(m_CSConnections);
for (cHTTPConnections::iterator itr = m_Connections.begin(), end = m_Connections.end(); itr != end; ++itr)
{
if (*itr == &a_Connection)
{
m_Connections.erase(itr);
break;
}
}
}
void cHTTPServer::NotifyConnectionWrite(cHTTPConnection & a_Connection)
{
m_SocketThreads.NotifyWrite(&a_Connection);
}
void cHTTPServer::NewRequest(cHTTPConnection & a_Connection, cHTTPRequest & a_Request)
{
m_Callbacks->OnRequestBegun(a_Connection, a_Request);
}
void cHTTPServer::RequestBody(cHTTPConnection & a_Connection, cHTTPRequest & a_Request, const char * a_Data, int a_Size)
{
m_Callbacks->OnRequestBody(a_Connection, a_Request, a_Data, a_Size);
}
void cHTTPServer::RequestFinished(cHTTPConnection & a_Connection, cHTTPRequest & a_Request)
{
m_Callbacks->OnRequestFinished(a_Connection, a_Request);
a_Connection.AwaitNextRequest();
}
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