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// HTTPServer.h
// Declares the cHTTPServer class representing a HTTP webserver that uses cListenThread and cSocketThreads for processing
#pragma once
#include "../OSSupport/Network.h"
#include "../IniFile.h"
#include "mbedTLS++/CryptoKey.h"
#include "mbedTLS++/X509Cert.h"
// fwd:
class cHTTPIncomingRequest;
class cHTTPServerConnection;
class cSslConfig;
class cHTTPServer
{
public:
class cCallbacks
{
public:
virtual ~cCallbacks() {}
/** Called when a new request arrives over a connection and all its headers have been parsed.
The request body needn't have arrived yet. */
virtual void OnRequestBegun(cHTTPServerConnection & a_Connection, cHTTPIncomingRequest & a_Request) = 0;
/** Called when another part of request body has arrived.
May be called multiple times for a single request. */
virtual void OnRequestBody(cHTTPServerConnection & a_Connection, cHTTPIncomingRequest & a_Request, const char * a_Data, size_t a_Size) = 0;
/** Called when the request body has been fully received in previous calls to OnRequestBody() */
virtual void OnRequestFinished(cHTTPServerConnection & a_Connection, cHTTPIncomingRequest & a_Request) = 0;
} ;
cHTTPServer(void);
virtual ~cHTTPServer();
/** Initializes the server - reads the cert files etc. */
bool Initialize(void);
/** Starts the server and assigns the callbacks to use for incoming requests */
bool Start(cCallbacks & a_Callbacks, const AStringVector & a_Ports);
/** Stops the server, drops all current connections */
void Stop(void);
protected:
friend class cHTTPServerConnection;
friend class cSslHTTPServerConnection;
friend class cHTTPServerListenCallbacks;
/** The cNetwork API handle for the listening socket. */
cServerHandlePtrs m_ServerHandles;
/** The callbacks to call for various events */
cCallbacks * m_Callbacks;
/** Configuration for server ssl connections. */
std::shared_ptr<const cSslConfig> m_SslConfig;
/** Called by cHTTPServerListenCallbacks when there's a new incoming connection.
Returns the connection instance to be used as the cTCPLink callbacks. */
cTCPLink::cCallbacksPtr OnIncomingConnection(const AString & a_RemoteIPAddress, UInt16 a_RemotePort);
/** Called by cHTTPServerConnection when it finishes parsing the request header */
void NewRequest(cHTTPServerConnection & a_Connection, cHTTPIncomingRequest & a_Request);
/** Called by cHTTPConenction when it receives more data for the request body.
May be called multiple times for a single request. */
void RequestBody(cHTTPServerConnection & a_Connection, cHTTPIncomingRequest & a_Request, const void * a_Data, size_t a_Size);
/** Called by cHTTPServerConnection when it detects that the request has finished (all of its body has been received) */
void RequestFinished(cHTTPServerConnection & a_Connection, cHTTPIncomingRequest & a_Request);
} ;
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