private void ComunicateWithTomcat()
{
int numOfBytesReceived = 0;
byte[] receivedPacketBuffer = new byte[BonCodeAJP13Consts.MAX_BONCODEAJP13_PACKET_LENGTH];
byte[] notProcessedBytes = null;
int sendPacketCount = 0;
p_IsLastPacket = false;
//send packages. If multiple forward requests (i.e. form data or files) there is a different behavior expected
if (p_PacketsToSend.Count > 1)
{
foreach (Object oIterate in p_PacketsToSend)
{
//we will continue sending all packets in queue unless tomcat sends us End Comm package
if (!p_IsLastPacket)
{
sendPacketCount++;
BonCodeAJP13Packet sendPacket = oIterate as BonCodeAJP13Packet; //only objects derived from this class should be in the collection
//send first two packets immediatly
p_NetworkStream.Write(sendPacket.GetDataBytes(), 0, sendPacket.PacketLength);
//log packet
if (p_Logger != null) p_Logger.LogPacket(sendPacket, false, BonCodeAJP13LogLevels.BONCODEAJP13_LOG_HEADERS);
//after the second packet in a packet collection we have to listen and receive a TomcatGetBodyChunk
if (sendPacketCount >= 2)
{
numOfBytesReceived = p_NetworkStream.Read(receivedPacketBuffer, 0, receivedPacketBuffer.Length);
notProcessedBytes = AnalyzePackage(receivedPacketBuffer, true); //no flush processing during sending of data
//we expect a 7 byte response except for the last package record, if not record a warning
if (sendPacketCount != p_PacketsToSend.Count && numOfBytesReceived > 7)
{
if (p_Logger != null) p_Logger.LogMessageAndType("Incorrect response received from Tomcat", "warning", 1);
}
}
}
else
{
break;
}
}
//if the last received message from tomcat is "GET_BODY_CHUNK" we need to send terminator package
if(p_PacketsReceived[p_PacketsReceived.Count-1] is TomcatGetBodyChunk) {
BonCodeAJP13Packet sendPacket = new BonCodeAJP13ForwardRequest(new byte[] { }); //create terminator (empty) package
p_NetworkStream.Write(sendPacket.GetDataBytes(), 0, sendPacket.PacketLength);
//log packet as it is sent
if (p_Logger != null) p_Logger.LogPacket(sendPacket, false, BonCodeAJP13LogLevels.BONCODEAJP13_LOG_HEADERS);
}
}
else if (p_PacketsToSend.Count == 1)
{
//send package
BonCodeAJP13Packet sendPacket = p_PacketsToSend[0] as BonCodeAJP13Packet; //only objects derived from this class should be in the collection
p_NetworkStream.Write(sendPacket.GetDataBytes(), 0, sendPacket.PacketLength);
//log each packet as it is sent
if (p_Logger != null) p_Logger.LogPacket(sendPacket, false, BonCodeAJP13LogLevels.BONCODEAJP13_LOG_HEADERS);
}
else
{
//nothing to do
CloseConnectionNoError("Nothing to send. Closing Connection.");
return;
}
//switch into Receiving Mode. Receive the TcpServer.response.
if (!p_IsLastPacket)
{
p_NetworkStream.Read(receivedPacketBuffer, 0, 0); //call empty read so we block this thread until we receive a response or we time out
}
numOfBytesReceived = 0;
try
{
int readCount = 0;
while (p_NetworkStream.CanRead && !p_AbortConnection && !p_IsLastPacket)
{
//check to see whether we need to send extra termination package
if (p_SendTermPacket)
{
p_SendTermPacket = false;
BonCodeAJP13ForwardRequest terminatorFR = new BonCodeAJP13ForwardRequest(new byte[] { });
p_NetworkStream.Write(terminatorFR.GetDataBytes(), 0, terminatorFR.PacketLength);
}
//clear reading array
Array.Clear(receivedPacketBuffer,0,receivedPacketBuffer.Length);
//read incoming packets until timeout or last package has been received.
readCount++;
numOfBytesReceived = p_NetworkStream.Read(receivedPacketBuffer, 0, receivedPacketBuffer.Length);
//analyze packet so far (adjust bytes from Receiving buffer):combine notProcessed with new Read bytes into new Received buffer if needed
if (notProcessedBytes != null)
{
//create tempArray that contains new set of bytes to be send a combination of newly received bytes as well as bytes that we were not able to process yet
byte[] tempArray = new byte[numOfBytesReceived + notProcessedBytes.Length];
Array.Copy(notProcessedBytes, 0, tempArray, 0, notProcessedBytes.Length);
Array.Copy(receivedPacketBuffer, 0, tempArray, notProcessedBytes.Length, numOfBytesReceived);
notProcessedBytes = AnalyzePackage(tempArray);
}
else
{
//send bytes we received for analysis
byte[] tempArray = new byte[numOfBytesReceived];
Array.Copy(receivedPacketBuffer, 0, tempArray, 0, numOfBytesReceived);
notProcessedBytes = AnalyzePackage(tempArray);
}
}
}
catch (System.IO.IOException ex)
{
ConnectionError("Server Connection is closing, Read timeout reached and no tomcat activity was detected.", "TimeOut");
if (p_Logger != null) p_Logger.LogException(ex);
return;
}
if (p_AbortConnection)
{
ConnectionError("Server Connection was aborted:" , "Failed");
return;
}
if (numOfBytesReceived == 0)
{
// Nothing received from tomcat!
ConnectionError("Nothing received from the tomcat. Closing the Connection.", "Failed");
return;
}
if (p_IsLastPacket == true)
{
// keep alive timer needs reset (we are maintaining connection but resetting the timer
if (p_KeepAliveTimer != null)
{
p_KeepAliveTimer.Stop();
p_KeepAliveTimer.Start();
}
//CloseConnectionNoError();
}
else
{
//do nothing for now
}
}
private void ComunicateWithTomcat()
{
int numOfBytesReceived = 0;
byte[] receivedPacketBuffer = new byte[BonCodeAJP13Settings.MAX_BONCODEAJP13_PACKET_LENGTH];
byte[] notProcessedBytes = null;
int sendPacketCount = 0;
p_IsLastPacket = false;
int listenAfterPacket = 2; //this is standard behavior, we sent first two packets for posts then listen
if (BonCodeAJP13Settings.BONCODEAJP13_ADOBE_SUPPORT || p_IsChunked)
{
listenAfterPacket = 1;
}
//send packages. If multiple forward requests (i.e. form data or files) there is a different behavior expected
if (p_PacketsToSend.Count > 1)
{
bool delayWrite = false;
//TODO: move this loop to a function by itself so we can reuse it.
foreach (Object oIterate in p_PacketsToSend)
{
//we will continue sending all packets in queue unless tomcat sends us End Comm package
if (!p_IsLastPacket)
{
sendPacketCount++;
BonCodeAJP13Packet sendPacket = oIterate as BonCodeAJP13Packet; //only objects derived from this class should be in the collection
//send first packet immediatly (most likely a post), unless there is a delay write indicator (will be set during analysis)
if (!delayWrite)
{
p_NetworkStream.Write(sendPacket.GetDataBytes(), 0, sendPacket.PacketLength);
}
else
{
delayWrite = false;
}
//log packet
if (p_Logger != null) p_Logger.LogPacket(sendPacket, false, BonCodeAJP13LogLevels.BONCODEAJP13_LOG_HEADERS);
//after the second packet (first packet for Adobe) in a packet collection we have to listen and receive a TomcatGetBodyChunk
if (sendPacketCount >= listenAfterPacket)
{
bool subRoutineReadInProgress = true;
int sanityCheck = 0;
while (subRoutineReadInProgress)
{
sanityCheck++;
try {
numOfBytesReceived = p_NetworkStream.Read(receivedPacketBuffer, 0, receivedPacketBuffer.Length);
notProcessedBytes = AnalyzePackage(ref delayWrite, receivedPacketBuffer, true); //no flush processing during sending of data
//we expect a 7 byte response except for the last package record, if not record a warning
if (sendPacketCount != p_PacketsToSend.Count && numOfBytesReceived > 7)
{
if (p_Logger != null) p_Logger.LogMessageAndType("Incorrect response received from Tomcat", "warning", BonCodeAJP13LogLevels.BONCODEAJP13_LOG_BASIC);
}
//check whether we are finished with subroutine
if (delayWrite)
{
delayWrite = false; // assume that we will exit with next loop unless Analyze package resets this to true;
}
else
{
subRoutineReadInProgress = false;
}
} catch (Exception e)
{
if (p_Logger != null)
{
p_Logger.LogMessageAndType("Stream reading problem (1). Null packet received in stream.", "warning", BonCodeAJP13LogLevels.BONCODEAJP13_LOG_BASIC);
p_Logger.LogException(e);
}
}
//in case we go in cycle without receiving data
if (sanityCheck > 500)
{
if (p_Logger != null) p_Logger.LogMessageAndType("SubRoutine Communication Process suspicious iterations (>500). This indicates problems with communication to tomcat", "warning", BonCodeAJP13LogLevels.BONCODEAJP13_LOG_BASIC);
subRoutineReadInProgress = false;
}
}
}
}
else
{
break;
}
}
// if the last received message from tomcat is "GET_BODY_CHUNK" we need to send terminator package
// We have to do a complex type multi-comparison rather than using just one 'is' operator since c# seems to have an issue determining class type in collection
if (p_PacketsReceived[p_PacketsReceived.Count - 1] is TomcatSendBodyChunk || p_PacketsReceived[p_PacketsReceived.Count - 1].GetType() == typeof(TomcatGetBodyChunk) || p_PacketsReceived[p_PacketsReceived.Count - 1] is BonCodeAJP13.TomcatPackets.TomcatSendBodyChunk) {
BonCodeAJP13Packet sendPacket = new BonCodeAJP13ForwardRequest(new byte[] { }); //create terminator (empty) package
p_NetworkStream.Write(sendPacket.GetDataBytes(), 0, sendPacket.PacketLength);
//log packet as it is sent
if (p_Logger != null) p_Logger.LogPacket(sendPacket, false, BonCodeAJP13LogLevels.BONCODEAJP13_LOG_HEADERS);
}
}
else if (p_PacketsToSend.Count == 1)
{
//send package
BonCodeAJP13Packet sendPacket = p_PacketsToSend[0] as BonCodeAJP13Packet; //only objects derived from this class should be in the collection
p_NetworkStream.Write(sendPacket.GetDataBytes(), 0, sendPacket.PacketLength);
//log each packet as it is sent
if (p_Logger != null) p_Logger.LogPacket(sendPacket, false, BonCodeAJP13LogLevels.BONCODEAJP13_LOG_HEADERS);
}
else
{
//nothing to do
CloseConnectionNoError("Nothing to send. Closing Connection.");
return;
}
//switch into Receiving Mode. Receive the TcpServer.response.
if (!p_IsLastPacket)
{
try
{
p_NetworkStream.Read(receivedPacketBuffer, 0, 0); //call empty read so we block this thread until we receive a response or we time out
} catch (Exception e)
{
p_Logger.LogException(e);
}
}
numOfBytesReceived = 0;
try
{
int readCount = 0;
while (p_NetworkStream.CanRead && !p_AbortConnection && !p_IsLastPacket)
{
//check to see whether we need to send extra termination package
if (p_SendTermPacket)
{
p_SendTermPacket = false;
BonCodeAJP13ForwardRequest terminatorFR = new BonCodeAJP13ForwardRequest(new byte[] { });
p_NetworkStream.Write(terminatorFR.GetDataBytes(), 0, terminatorFR.PacketLength);
}
//clear reading array
Array.Clear(receivedPacketBuffer,0,receivedPacketBuffer.Length);
//flush detection by ticks check if we we have no data on channel
//check whether we need monitor for tomcat flush signs
if (!p_NetworkStream.DataAvailable && BonCodeAJP13Settings.BONCODEAJP13_AUTOFLUSHDETECTION_TICKS > 0)
{
long elapsedTicks = p_StopWatch.ElapsedTicks;
p_TickDelta = elapsedTicks - p_LastTick;
p_LastTick = elapsedTicks;
if (p_TickDelta > BonCodeAJP13Settings.BONCODEAJP13_AUTOFLUSHDETECTION_TICKS)
{
//flush has been detected set the flag. We should flush after this receiveBuffer has been processed.
//no flush is needed if we see end marker during receiveBuffer processing since all data would have been transferred
p_IsFlush = true;
p_TimeFlushOccurred = true;
}
}
//read incoming packets until timeout or last package has been received.
readCount++;
try
{
//read or wait on next package
numOfBytesReceived = p_NetworkStream.Read(receivedPacketBuffer, 0, receivedPacketBuffer.Length);
//flush detection by bytes -- in case where time flush is also defined (ticks>0) we will wait until a time flush occurs (p_TimeFlushOccurred)
//before we trigger a byte flushes
if (BonCodeAJP13Settings.BONCODEAJP13_AUTOFLUSHDETECTION_BYTES > 0 &&
(BonCodeAJP13Settings.BONCODEAJP13_AUTOFLUSHDETECTION_TICKS == 0 ||
(BonCodeAJP13Settings.BONCODEAJP13_AUTOFLUSHDETECTION_TICKS > 0 && p_TimeFlushOccurred))
)
{
p_BytesInBuffer = p_BytesInBuffer + numOfBytesReceived;
if (p_BytesInBuffer > BonCodeAJP13Settings.BONCODEAJP13_AUTOFLUSHDETECTION_BYTES)
{
p_IsFlush = true;
p_BytesInBuffer = 0;
}
}
//analyze packet so far (adjust bytes from Receiving buffer):combine notProcessed with new Read bytes into new Received buffer if needed
if (notProcessedBytes != null)
{
//create tempArray that contains new set of bytes to be send a combination of newly received bytes as well as bytes that we were not able to process yet
byte[] tempArray = new byte[numOfBytesReceived + notProcessedBytes.Length];
Array.Copy(notProcessedBytes, 0, tempArray, 0, notProcessedBytes.Length);
Array.Copy(receivedPacketBuffer, 0, tempArray, notProcessedBytes.Length, numOfBytesReceived);
notProcessedBytes = AnalyzePackage(tempArray);
}
else
{
//send bytes we received for analysis
byte[] tempArray = new byte[numOfBytesReceived];
Array.Copy(receivedPacketBuffer, 0, tempArray, 0, numOfBytesReceived);
notProcessedBytes = AnalyzePackage(tempArray);
}
} catch (Exception e)
{
p_AbortConnection = true;
p_Logger.LogMessageAndType("Stream reading problem (2)(" + readCount.ToString() + "), you may have shutdown Tomcat unexpectedly", "warning", BonCodeAJP13LogLevels.BONCODEAJP13_LOG_BASIC);
//p_Logger.LogException(e);
}
}
//check error condition that tomcat produces sometimes where additional data is sent after end_transmission has been indicated
int sanityCheck = 0;
while (p_NetworkStream.DataAvailable && sanityCheck < 100)
{
//we need to clear the tcp pipe so the next request does not pick up data we will do this up to 100 times and write warning
try
{
numOfBytesReceived = p_NetworkStream.Read(receivedPacketBuffer, 0, receivedPacketBuffer.Length);
} catch
{
//do nothing here
}
if (sanityCheck == 0)
{
if (p_Logger != null) p_Logger.LogMessageAndType("extra data after transmission-end from tomcat" ,"warning", BonCodeAJP13LogLevels.BONCODEAJP13_LOG_HEADERS);
}
sanityCheck++;
}
}
catch (System.IO.IOException ex)
{
ConnectionError("Server Connection is closing, Read timeout reached and no tomcat activity was detected.", "TimeOut");
if (p_Logger != null) p_Logger.LogException(ex);
return;
}
if (p_AbortConnection)
{
ConnectionError("Server Connection was aborted" , "failed");
return;
}
if (numOfBytesReceived == 0)
{
// Nothing received from tomcat, log warning
p_Logger.LogMessageAndType("Empty packet received from tomcat", "warning", BonCodeAJP13LogLevels.BONCODEAJP13_LOG_BASIC);
//return;
}
if (p_IsLastPacket == true)
{
// keep alive timer needs reset (we are maintaining connection but resetting the timer
if (p_KeepAliveTimer != null)
{
p_KeepAliveTimer.Stop();
p_KeepAliveTimer.Start();
}
CloseConnectionNoError();
}
else
{
//do nothing for now
}
}
static void Main(string[] args)
{
//KeyTest();
//sample setting
//Console.WriteLine("Sample Setting " + Properties.Settings.Default.SampleSetting);
//read parameters from console first parameter is server second port
if (args.Length >= 1)
{
myURL = (string)args[0];
}
if (args.Length >= 2) {
myServer = (string)args[1];
}
if (args.Length >= 3)
{
myPort = (string)args[2];
}
string myDNS = myServer; // +":" + myPort;
ushort iPort = Convert.ToUInt16(myPort);
//test search
byte[] sourceBytes = new byte[20] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A };
byte[] searchBytes = new byte[2] { 0x02, 0x04 };
int foundPos = ByteSearch(sourceBytes, searchBytes, 0);
Console.WriteLine(Environment.GetFolderPath(Environment.SpecialFolder.InternetCache));
Console.WriteLine(BonCodeAJP13Settings.BONCODEAJP13_LOG_DIR);
ConnectViaString(myDNS, myData);
//test config
//Test myTest = new Test();
//myTest.fHeaderTest();
//log level
//Console.WriteLine("Log Level " + BonCodeAJP13Settings.BONCODEAJP13_LOG_LEVEL);
//create intance of forward request
BonCodeAJP13ForwardRequest FR = new BonCodeAJP13ForwardRequest(BonCodeAJP13HTTPMethods.BONCODEAJP13_GET,
"HTTP/1.1",
myURL,
"::1",
"::1", myServer,iPort ,false,1);
//create cping request
BonCodeAJP13ForwardRequest FR2 = new BonCodeAJP13ForwardRequest(BonCodeAJP13HTTPMethods.BONCODEAJP13_GET,
"HTTP/1.1",
myURL,
"::1",
"::1", myServer, iPort, false, 1);
byte[] testBytes = FR.GetDataBytes(); //this returns the contructed databytes
//byte[] testBytes = FR.WriteServerTestPacket();
Console.WriteLine("Server: {0} , Port: {1}, URL: {2}", myServer, myPort, myURL);
//call server request
BonCodeAJP13ServerConnection sconn = new BonCodeAJP13ServerConnection(FR,true);
sconn.Server = myServer;
sconn.Port = System.Convert.ToInt32(myPort);
sconn.FlushDelegateFunction = PrintFlush; //this function will do the printing to console
//run connection
sconn.BeginConnection();
//write the response to screen that has not been flushed yet
foreach (Object oIterate in sconn.ReceivedDataCollection)
{
BonCodeAJP13Packet Packet = oIterate as BonCodeAJP13Packet; //only objects derived from this class should be in the collection
Console.WriteLine(Packet.GetDataString());
}
Console.WriteLine("Last Size:" + sconn.ReceivedDataCollection.Count);
//call connect function
//ConnectViaString(myDNS, myData);
//Connect(myDNS, testBytes);
int a = 2;
a++;
}