handle master session creation

libi2pd_client/SAM.cpp

@@ -352,6 +352,7 @@ namespace client
 		if (style == SAM_VALUE_STREAM) type = eSAMSessionTypeStream;
 		else if (style == SAM_VALUE_DATAGRAM) type = eSAMSessionTypeDatagram;
 		else if (style == SAM_VALUE_RAW) type = eSAMSessionTypeRaw;
+		else if (style == SAM_VALUE_MASTER) type = eSAMSessionTypeMaster;
 		if (type == eSAMSessionTypeUnknown)
 		{
 			// unknown style

libi2pd_client/SAM.h

@@ -76,6 +76,7 @@ namespace client
 	const char SAM_VALUE_STREAM[] = "STREAM";
 	const char SAM_VALUE_DATAGRAM[] = "DATAGRAM";
 	const char SAM_VALUE_RAW[] = "RAW";
+	const char SAM_VALUE_MASTER[] = "MASTER";	
 	const char SAM_VALUE_TRUE[] = "true";
 	const char SAM_VALUE_FALSE[] = "false";
 
@@ -171,7 +172,8 @@ namespace client
 		eSAMSessionTypeUnknown,
 		eSAMSessionTypeStream,
 		eSAMSessionTypeDatagram,
-		eSAMSessionTypeRaw
+		eSAMSessionTypeRaw,
+		eSAMSessionTypeMaster
 	};
 
 	struct SAMSession