1 files changed, 101 insertions, 0 deletions

diff --git a/src/HTTPServer/HTTPConnection.h b/src/HTTPServer/HTTPConnection.h
new file mode 100644
index 000000000..14603bb70
--- /dev/null
+++ b/src/HTTPServer/HTTPConnection.h
@@ -0,0 +1,101 @@
+
+// HTTPConnection.h
+
+// Declares the cHTTPConnection class representing a single persistent connection in the HTTP server.
+
+
+
+
+
+#pragma once
+
+#include "../OSSupport/SocketThreads.h"
+
+
+
+
+
+// fwd:
+class cHTTPServer;
+class cHTTPResponse;
+class cHTTPRequest;
+
+
+
+
+
+class cHTTPConnection :
+	public cSocketThreads::cCallback
+{
+public:
+	
+	enum eState
+	{
+		wcsRecvHeaders,  ///< Receiving request headers (m_CurrentRequest is created if NULL)
+		wcsRecvBody,     ///< Receiving request body    (m_CurrentRequest is valid)
+		wcsRecvIdle,     ///< Has received the entire body, waiting to send the response (m_CurrentRequest == NULL)
+		wcsSendingResp,  ///< Sending response body     (m_CurrentRequest == NULL)
+		wcsInvalid,      ///< The request was malformed, the connection is closing
+	} ;
+	
+	cHTTPConnection(cHTTPServer & a_HTTPServer);
+	~cHTTPConnection();
+	
+	/// Sends HTTP status code together with a_Reason (used for HTTP errors)
+	void SendStatusAndReason(int a_StatusCode, const AString & a_Reason);
+	
+	/// Sends the "401 unauthorized" reply together with instructions on authorizing, using the specified realm
+	void SendNeedAuth(const AString & a_Realm);
+	
+	/// Sends the headers contained in a_Response
+	void Send(const cHTTPResponse & a_Response);
+	
+	/// Sends the data as the response (may be called multiple times)
+	void Send(const void * a_Data, int a_Size);
+
+	/// Sends the data as the response (may be called multiple times)
+	void Send(const AString & a_Data) { Send(a_Data.data(), a_Data.size()); }
+	
+	/// Indicates that the current response is finished, gets ready for receiving another request (HTTP 1.1 keepalive)
+	void FinishResponse(void);
+	
+	/// Resets the connection for a new request. Depending on the state, this will send an "InternalServerError" status or a "ResponseEnd"
+	void AwaitNextRequest(void);
+	
+	/// Terminates the connection; finishes any request being currently processed
+	void Terminate(void);
+	
+protected:
+	typedef std::map<AString, AString> cNameValueMap;
+	
+	/// The parent webserver that is to be notified of events on this connection
+	cHTTPServer & m_HTTPServer;
+	
+	/// All the incoming data until the entire request header is parsed
+	AString m_IncomingHeaderData;
+	
+	/// Status in which the request currently is
+	eState m_State;
+	
+	/// Data that is queued for sending, once the socket becomes writable
+	AString m_OutgoingData;
+	
+	/// The request being currently received (valid only between having parsed the headers and finishing receiving the body)
+	cHTTPRequest * m_CurrentRequest;
+
+	/// Number of bytes that remain to read for the complete body of the message to be received. Valid only in wcsRecvBody
+	int m_CurrentRequestBodyRemaining;
+	
+	
+	// cSocketThreads::cCallback overrides:
+	virtual void DataReceived   (const char * a_Data, int a_Size) override;  // Data is received from the client
+	virtual void GetOutgoingData(AString & a_Data) override;  // Data can be sent to client
+	virtual void SocketClosed   (void) override;  // The socket has been closed for any reason
+} ;
+
+typedef std::vector<cHTTPConnection *> cHTTPConnections;
+
+
+
+
+