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2007-12-02 Complication

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* Commit SAM v2 patch from mkvore (thank you!)
    * Minor reformatting to preserve consistent whitespace
      in old SAM classes (new classes unaltered)
This commit is contained in:
complication
2007-12-03 04:19:25 +00:00
committed by zzz
parent 979a3e98d8
commit 17b719f3f7
8 changed files with 1011 additions and 72 deletions
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140
apps/sam/java/src/net/i2p/sam/SAMv1Handler.java
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@@ -35,6 +35,8 @@ import net.i2p.util.Log;
* @author human
*/
public class SAMv1Handler extends SAMHandler implements SAMRawReceiver, SAMDatagramReceiver, SAMStreamReceiver {
protected int verMajorId = 1;
protected int verMinorId = 0;
private final static Log _log = new Log(SAMv1Handler.class);
@@ -42,7 +44,7 @@ public class SAMv1Handler extends SAMHandler implements SAMRawReceiver, SAMDatag
private SAMRawSession rawSession = null;
private SAMDatagramSession datagramSession = null;
private SAMStreamSession streamSession = null;
protected SAMStreamSession streamSession = null;
private long _id;
private static volatile long __id = 0;
@@ -74,11 +76,15 @@ public class SAMv1Handler extends SAMHandler implements SAMRawReceiver, SAMDatag
_id = ++__id;
_log.debug("SAM version 1 handler instantiated");
if ((this.verMajor != 1) || (this.verMinor != 0)) {
if ( ! verifVersion() ) {
throw new SAMException("BUG! Wrong protocol version!");
}
}
public boolean verifVersion() {
return ( verMajor == 1 && verMinor == 0 ) ;
}
public void handle() {
String msg = null;
String domain = null;
@@ -248,7 +254,7 @@ public class SAMv1Handler extends SAMHandler implements SAMRawReceiver, SAMDatag
}
props.remove("DIRECTION");
streamSession = new SAMStreamSession(destKeystream, dir,props,this);
streamSession = newSAMStreamSession(destKeystream, dir,props);
} else {
_log.debug("Unrecognized SESSION STYLE: \"" + style +"\"");
return writeString("SESSION STATUS RESULT=I2P_ERROR MESSAGE=\"Unrecognized SESSION STYLE\"\n");
@@ -275,6 +281,13 @@ public class SAMv1Handler extends SAMHandler implements SAMRawReceiver, SAMDatag
}
}
SAMStreamSession newSAMStreamSession(String destKeystream, String direction, Properties props )
throws IOException, DataFormatException, SAMException
{
return new SAMStreamSession(destKeystream, direction, props, this) ;
}
/* Parse and execute a DEST message*/
private boolean execDestMessage(String opcode, Properties props) {
@@ -489,7 +502,7 @@ public class SAMv1Handler extends SAMHandler implements SAMRawReceiver, SAMDatag
}
/* Parse and execute a STREAM message */
private boolean execStreamMessage(String opcode, Properties props) {
protected boolean execStreamMessage(String opcode, Properties props) {
if (streamSession == null) {
_log.error("STREAM message received, but no STREAM session exists");
return false;
@@ -508,7 +521,7 @@ public class SAMv1Handler extends SAMHandler implements SAMRawReceiver, SAMDatag
}
}
private boolean execStreamSend(Properties props) {
protected boolean execStreamSend(Properties props) {
if (props == null) {
_log.debug("No parameters specified in STREAM SEND message");
return false;
@@ -570,7 +583,7 @@ public class SAMv1Handler extends SAMHandler implements SAMRawReceiver, SAMDatag
}
}
private boolean execStreamConnect(Properties props) {
protected boolean execStreamConnect(Properties props) {
if (props == null) {
_log.debug("No parameters specified in STREAM CONNECT message");
return false;
@@ -604,39 +617,38 @@ public class SAMv1Handler extends SAMHandler implements SAMRawReceiver, SAMDatag
props.remove("DESTINATION");
try {
if (!streamSession.connect(id, dest, props)) {
_log.debug("STREAM connection failed");
return false;
try {
if (!streamSession.connect(id, dest, props)) {
_log.debug("STREAM connection failed");
return false;
}
} catch (DataFormatException e) {
_log.debug("Invalid destination in STREAM CONNECT message");
notifyStreamOutgoingConnection ( id, "INVALID_KEY", null );
} catch (SAMInvalidDirectionException e) {
_log.debug("STREAM CONNECT failed: " + e.getMessage());
notifyStreamOutgoingConnection ( id, "INVALID_DIRECTION", null );
} catch (ConnectException e) {
_log.debug("STREAM CONNECT failed: " + e.getMessage());
notifyStreamOutgoingConnection ( id, "CONNECTION_REFUSED", null );
} catch (NoRouteToHostException e) {
_log.debug("STREAM CONNECT failed: " + e.getMessage());
notifyStreamOutgoingConnection ( id, "CANT_REACH_PEER", null );
} catch (InterruptedIOException e) {
_log.debug("STREAM CONNECT failed: " + e.getMessage());
notifyStreamOutgoingConnection ( id, "TIMEOUT", null );
} catch (I2PException e) {
_log.debug("STREAM CONNECT failed: " + e.getMessage());
notifyStreamOutgoingConnection ( id, "I2P_ERROR", null );
}
return writeString("STREAM STATUS RESULT=OK ID=" + id + "\n");
} catch (DataFormatException e) {
_log.debug("Invalid destination in STREAM CONNECT message");
return writeString("STREAM STATUS RESULT=INVALID_KEY ID="
+ id + "\n");
} catch (SAMInvalidDirectionException e) {
_log.debug("STREAM CONNECT failed: " + e.getMessage());
return writeString("STREAM STATUS RESULT=INVALID_DIRECTION ID="
+ id + "\n");
} catch (ConnectException e) {
_log.debug("STREAM CONNECT failed: " + e.getMessage());
return writeString("STREAM STATUS RESULT=CONNECTION_REFUSED ID="
+ id + "\n");
} catch (NoRouteToHostException e) {
_log.debug("STREAM CONNECT failed: " + e.getMessage());
return writeString("STREAM STATUS RESULT=CANT_REACH_PEER ID="
+ id + "\n");
} catch (InterruptedIOException e) {
_log.debug("STREAM CONNECT failed: " + e.getMessage());
return writeString("STREAM STATUS RESULT=TIMEOUT ID="
+ id + "\n");
} catch (I2PException e) {
_log.debug("STREAM CONNECT failed: " + e.getMessage());
return writeString("STREAM STATUS RESULT=I2P_ERROR ID="
+ id + "\n");
} catch (IOException e) {
return false ;
}
return true ;
}
private boolean execStreamClose(Properties props) {
protected boolean execStreamClose(Properties props) {
if (props == null) {
_log.debug("No parameters specified in STREAM CLOSE message");
return false;
@@ -745,7 +757,41 @@ public class SAMv1Handler extends SAMHandler implements SAMRawReceiver, SAMDatag
}
// SAMStreamReceiver implementation
public void notifyStreamConnection(int id, Destination d) throws IOException {
public void streamSendAnswer( int id, String result, String bufferState ) throws IOException
{
if ( streamSession == null )
{
_log.error ( "BUG! Want to answer to stream SEND, but session is null!" );
throw new NullPointerException ( "BUG! STREAM session is null!" );
}
if ( !writeString ( "STREAM SEND ID=" + id
+ " RESULT=" + result
+ " STATE=" + bufferState
+ "\n" ) )
{
throw new IOException ( "Error notifying connection to SAM client" );
}
}
public void notifyStreamSendBufferFree( int id ) throws IOException
{
if ( streamSession == null )
{
_log.error ( "BUG! Stream outgoing buffer is free, but session is null!" );
throw new NullPointerException ( "BUG! STREAM session is null!" );
}
if ( !writeString ( "STREAM READY_TO_SEND ID=" + id + "\n" ) )
{
throw new IOException ( "Error notifying connection to SAM client" );
}
}
public void notifyStreamIncomingConnection(int id, Destination d) throws IOException {
if (streamSession == null) {
_log.error("BUG! Received stream connection, but session is null!");
throw new NullPointerException("BUG! STREAM session is null!");
@@ -758,6 +804,28 @@ public class SAMv1Handler extends SAMHandler implements SAMRawReceiver, SAMDatag
}
}
public void notifyStreamOutgoingConnection ( int id, String result, String msg ) throws IOException
{
if ( streamSession == null )
{
_log.error ( "BUG! Received stream connection, but session is null!" );
throw new NullPointerException ( "BUG! STREAM session is null!" );
}
String msgString = "" ;
if ( msg != null ) msgString = " MESSAGE=\"" + msg + "\"";
if ( !writeString ( "STREAM STATUS RESULT="
+ result
+ " ID=" + id
+ msgString
+ "\n" ) )
{
throw new IOException ( "Error notifying connection to SAM client" );
}
}
public void receiveStreamBytes(int id, byte data[], int len) throws IOException {
if (streamSession == null) {
_log.error("Received stream bytes, but session is null!");