our current experimental Neutrino branch

git-svn-id: file:///home/bas/coolstream_public_svn/THIRDPARTY/applications/neutrino-experimental@27 e54a6e83-5905-42d5-8d5c-058d10e6a962

src/nhttpd/yhttpd_core/yconnection.cpp

@@ -0,0 +1,147 @@
+//=============================================================================
+// YHTTPD
+// Connection
+//=============================================================================
+
+// system
+#include <sys/time.h>
+#include <errno.h>
+#include <cstring>
+// yhttpd
+#include "yconfig.h"
+#include "ytypes_globals.h"
+#include "ywebserver.h"
+#include "yconnection.h"
+#include "helper.h"
+//=============================================================================
+// Initialization of static variables
+//=============================================================================
+long CWebserverConnection::GConnectionNumber = 0;
+
+//=============================================================================
+// Constructor & Destructor & Initialization
+//=============================================================================
+CWebserverConnection::CWebserverConnection(CWebserver *pWebserver)
+{
+	Webserver		= pWebserver;
+	Request.Webserver	= pWebserver;
+	Request.Connection	= this;
+	Response.Webserver	= pWebserver;
+	Response.Connection 	= this;
+	Method 			= M_UNKNOWN;
+	HttpStatus 		= 0;
+	RequestCanceled 	= false;
+#ifdef Y_CONFIG_FEATURE_KEEP_ALIVE
+	keep_alive 		= true;
+#else
+	keep_alive		= false;
+#endif
+}
+//-------------------------------------------------------------------------
+CWebserverConnection::CWebserverConnection()
+{
+//	aprintf("test CWebserverConnection::CWebserverConnection()\n");
+	ConnectionNumber = ++GConnectionNumber;
+}
+//-------------------------------------------------------------------------
+CWebserverConnection::~CWebserverConnection(void)
+{
+}
+//-------------------------------------------------------------------------
+// End The Connection. Request and Response allready handled.
+// do "after done" work, like create a www-Log entry.
+// Use "Hooks_EndConnection()" Handler to write own Hooks.
+//-------------------------------------------------------------------------
+void CWebserverConnection::EndConnection()
+{
+	HookHandler.HookVarList["enlapsed_request"] = itoa(enlapsed_request/1000);
+	HookHandler.HookVarList["enlapsed_response"] = itoa(enlapsed_response/1000);
+	HookHandler.Hooks_EndConnection();	// Handle Hooks
+	if(RequestCanceled)			// Canceled
+		keep_alive = false;
+	RequestCanceled = true;
+//	sock->Flush();
+#ifndef Y_CONFIG_FEATURE_KEEP_ALIVE
+	sock->close();
+#endif
+}
+//-------------------------------------------------------------------------
+// Main
+// Handle the Request, Handle (Send) Response), End the Connection
+//-------------------------------------------------------------------------
+void CWebserverConnection::HandleConnection()
+{
+	gettimeofday(&tv_connection_start, &tz_connection_start);
+
+	// get the request
+	if (Request.HandleRequest())
+	{
+		// determine time from Connection creation until now
+		gettimeofday(&tv_connection_Response_start, &tz_connection_Response_start);
+		enlapsed_request = ((tv_connection_Response_start.tv_sec - tv_connection_start.tv_sec) * 1000000
+			+ (tv_connection_Response_start.tv_usec - tv_connection_start.tv_usec));
+
+		// Keep-Alive checking
+#ifdef Y_CONFIG_FEATURE_KEEP_ALIVE
+		if(string_tolower(Request.HeaderList["Connection"]) == "close" 
+			|| (httprotocol != "HTTP/1.1" && string_tolower(Request.HeaderList["Connection"]) != "keep-alive")
+			|| !Webserver->CheckKeepAliveAllowedByIP(sock->get_client_ip()))
+			keep_alive = false;
+#else
+		keep_alive = false;
+#endif
+		// Send a response
+		Response.SendResponse();
+
+		// determine time for SendResponse
+		gettimeofday(&tv_connection_Response_end, &tz_connection_Response_end);
+		enlapsed_response = ((tv_connection_Response_end.tv_sec - tv_connection_Response_start.tv_sec) * 1000000
+			+ (tv_connection_Response_end.tv_usec - tv_connection_Response_start.tv_usec));
+
+		// print production times			
+		log_level_printf(1,"enlapsed time request:%ld response:%ld url:%s\n",
+			enlapsed_request, enlapsed_response, (Request.UrlData["fullurl"]).c_str());
+
+	}
+	else
+	{
+		RequestCanceled = true;
+		keep_alive = false;		// close this connection socket
+//		dperror("Error while parsing request\n");
+		log_level_printf(1,"request canceled: %s\n", strerror(errno));
+	}
+	EndConnection();
+}
+
+//-------------------------------------------------------------------------
+void CWebserverConnection::ShowEnlapsedRequest(char *text)
+{
+
+	long	enlapsed = GetEnlapsedRequestTime() / 1000;
+	log_level_printf(1,"enlapsed-f-start (%s) t:%ld url:%s\n",
+			text, enlapsed, (Request.UrlData["fullurl"]).c_str());
+}
+//-------------------------------------------------------------------------
+// Time from creation of socket until now in microseconds!
+//-------------------------------------------------------------------------
+long CWebserverConnection::GetEnlapsedRequestTime()
+{
+	struct 	timeval 	tv_now;
+	struct	timezone 	tz_now;
+		gettimeofday(&tv_now, &tz_now);
+	return ((tv_now.tv_sec - tv_connection_start.tv_sec) * 1000000
+			+ (tv_now.tv_usec - tv_connection_start.tv_usec));
+}
+
+//-------------------------------------------------------------------------
+// Time from beginning of response until now in microseconds!
+//-------------------------------------------------------------------------
+long CWebserverConnection::GetEnlapsedResponseTime()
+{
+	struct 	timeval 	tv_now;
+	struct	timezone 	tz_now;
+		gettimeofday(&tv_now, &tz_now);
+	return ((tv_now.tv_sec - tv_connection_Response_start.tv_sec) * 1000000
+			+ (tv_now.tv_usec - tv_connection_Response_start.tv_usec));
+}
+