org.apache.catalina.tribes.transport.Constants Java Examples
The following examples show how to use
org.apache.catalina.tribes.transport.Constants.
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Example #1
Source File: BioSender.java From Tomcat8-Source-Read with MIT License | 5 votes |
/** * Wait for Acknowledgement from other server. * FIXME Please, not wait only for three characters, better control that the wait ack message is correct. * @throws IOException An IO error occurred */ protected void waitForAck() throws java.io.IOException { try { boolean ackReceived = false; boolean failAckReceived = false; ackbuf.clear(); int bytesRead = 0; int i = soIn.read(); while ((i != -1) && (bytesRead < Constants.ACK_COMMAND.length)) { bytesRead++; byte d = (byte)i; ackbuf.append(d); if (ackbuf.doesPackageExist() ) { byte[] ackcmd = ackbuf.extractDataPackage(true).getBytes(); ackReceived = Arrays.equals(ackcmd,org.apache.catalina.tribes.transport.Constants.ACK_DATA); failAckReceived = Arrays.equals(ackcmd,org.apache.catalina.tribes.transport.Constants.FAIL_ACK_DATA); ackReceived = ackReceived || failAckReceived; break; } i = soIn.read(); } if (!ackReceived) { if (i == -1) throw new IOException(sm.getString("bioSender.ack.eof",getAddress(), Integer.valueOf(socket.getLocalPort()))); else throw new IOException(sm.getString("bioSender.ack.wrong",getAddress(), Integer.valueOf(socket.getLocalPort()))); } else if ( failAckReceived && getThrowOnFailedAck()) { throw new RemoteProcessException(sm.getString("bioSender.fail.AckReceived")); } } catch (IOException x) { String errmsg = sm.getString("bioSender.ack.missing", getAddress(), Integer.valueOf(socket.getLocalPort()), Long.valueOf(getTimeout())); if ( SenderState.getSenderState(getDestination()).isReady() ) { SenderState.getSenderState(getDestination()).setSuspect(); if ( log.isWarnEnabled() ) log.warn(errmsg, x); } else { if ( log.isDebugEnabled() )log.debug(errmsg, x); } throw x; } finally { ackbuf.clear(); } }
Example #2
Source File: BioReplicationTask.java From Tomcat8-Source-Read with MIT License | 5 votes |
protected void execute(ObjectReader reader) throws Exception{ int pkgcnt = reader.count(); if ( pkgcnt > 0 ) { ChannelMessage[] msgs = reader.execute(); for ( int i=0; i<msgs.length; i++ ) { /** * Use send ack here if you want to ack the request to the remote * server before completing the request * This is considered an asynchronous request */ if (ChannelData.sendAckAsync(msgs[i].getOptions())) sendAck(Constants.ACK_COMMAND); try { //process the message getCallback().messageDataReceived(msgs[i]); /** * Use send ack here if you want the request to complete on this * server before sending the ack to the remote server * This is considered a synchronized request */ if (ChannelData.sendAckSync(msgs[i].getOptions())) sendAck(Constants.ACK_COMMAND); }catch ( Exception x ) { if (ChannelData.sendAckSync(msgs[i].getOptions())) sendAck(Constants.FAIL_ACK_COMMAND); log.error(sm.getString("bioReplicationTask.messageDataReceived.error"),x); } if ( getUseBufferPool() ) { BufferPool.getBufferPool().returnBuffer(msgs[i].getMessage()); msgs[i].setMessage(null); } } } }
Example #3
Source File: BioSender.java From Tomcat7.0.67 with Apache License 2.0 | 5 votes |
/** * Wait for Acknowledgement from other server. * FIXME Please, not wait only for three characters, better control that the wait ack message is correct. * @throws java.io.IOException * @throws java.net.SocketTimeoutException */ protected void waitForAck() throws java.io.IOException { try { boolean ackReceived = false; boolean failAckReceived = false; ackbuf.clear(); int bytesRead = 0; int i = soIn.read(); while ((i != -1) && (bytesRead < Constants.ACK_COMMAND.length)) { bytesRead++; byte d = (byte)i; ackbuf.append(d); if (ackbuf.doesPackageExist() ) { byte[] ackcmd = ackbuf.extractDataPackage(true).getBytes(); ackReceived = Arrays.equals(ackcmd,org.apache.catalina.tribes.transport.Constants.ACK_DATA); failAckReceived = Arrays.equals(ackcmd,org.apache.catalina.tribes.transport.Constants.FAIL_ACK_DATA); ackReceived = ackReceived || failAckReceived; break; } i = soIn.read(); } if (!ackReceived) { if (i == -1) throw new IOException(sm.getString("IDataSender.ack.eof",getAddress(), Integer.valueOf(socket.getLocalPort()))); else throw new IOException(sm.getString("IDataSender.ack.wrong",getAddress(), Integer.valueOf(socket.getLocalPort()))); } else if ( failAckReceived && getThrowOnFailedAck()) { throw new RemoteProcessException("Received a failed ack:org.apache.catalina.tribes.transport.Constants.FAIL_ACK_DATA"); } } catch (IOException x) { String errmsg = sm.getString("IDataSender.ack.missing", getAddress(), Integer.valueOf(socket.getLocalPort()), Long.valueOf(getTimeout())); if ( SenderState.getSenderState(getDestination()).isReady() ) { SenderState.getSenderState(getDestination()).setSuspect(); if ( log.isWarnEnabled() ) log.warn(errmsg, x); } else { if ( log.isDebugEnabled() )log.debug(errmsg, x); } throw x; } finally { ackbuf.clear(); } }
Example #4
Source File: BioReplicationTask.java From Tomcat7.0.67 with Apache License 2.0 | 5 votes |
protected void execute(ObjectReader reader) throws Exception{ int pkgcnt = reader.count(); if ( pkgcnt > 0 ) { ChannelMessage[] msgs = reader.execute(); for ( int i=0; i<msgs.length; i++ ) { /** * Use send ack here if you want to ack the request to the remote * server before completing the request * This is considered an asynchronized request */ if (ChannelData.sendAckAsync(msgs[i].getOptions())) sendAck(Constants.ACK_COMMAND); try { //process the message getCallback().messageDataReceived(msgs[i]); /** * Use send ack here if you want the request to complete on this * server before sending the ack to the remote server * This is considered a synchronized request */ if (ChannelData.sendAckSync(msgs[i].getOptions())) sendAck(Constants.ACK_COMMAND); }catch ( Exception x ) { if (ChannelData.sendAckSync(msgs[i].getOptions())) sendAck(Constants.FAIL_ACK_COMMAND); log.error("Error thrown from messageDataReceived.",x); } if ( getUseBufferPool() ) { BufferPool.getBufferPool().returnBuffer(msgs[i].getMessage()); msgs[i].setMessage(null); } } } }
Example #5
Source File: BioSender.java From tomcatsrc with Apache License 2.0 | 5 votes |
/** * Wait for Acknowledgement from other server. * FIXME Please, not wait only for three characters, better control that the wait ack message is correct. * @throws java.io.IOException * @throws java.net.SocketTimeoutException */ protected void waitForAck() throws java.io.IOException { try { boolean ackReceived = false; boolean failAckReceived = false; ackbuf.clear(); int bytesRead = 0; int i = soIn.read(); while ((i != -1) && (bytesRead < Constants.ACK_COMMAND.length)) { bytesRead++; byte d = (byte)i; ackbuf.append(d); if (ackbuf.doesPackageExist() ) { byte[] ackcmd = ackbuf.extractDataPackage(true).getBytes(); ackReceived = Arrays.equals(ackcmd,org.apache.catalina.tribes.transport.Constants.ACK_DATA); failAckReceived = Arrays.equals(ackcmd,org.apache.catalina.tribes.transport.Constants.FAIL_ACK_DATA); ackReceived = ackReceived || failAckReceived; break; } i = soIn.read(); } if (!ackReceived) { if (i == -1) throw new IOException(sm.getString("IDataSender.ack.eof",getAddress(), Integer.valueOf(socket.getLocalPort()))); else throw new IOException(sm.getString("IDataSender.ack.wrong",getAddress(), Integer.valueOf(socket.getLocalPort()))); } else if ( failAckReceived && getThrowOnFailedAck()) { throw new RemoteProcessException("Received a failed ack:org.apache.catalina.tribes.transport.Constants.FAIL_ACK_DATA"); } } catch (IOException x) { String errmsg = sm.getString("IDataSender.ack.missing", getAddress(), Integer.valueOf(socket.getLocalPort()), Long.valueOf(getTimeout())); if ( SenderState.getSenderState(getDestination()).isReady() ) { SenderState.getSenderState(getDestination()).setSuspect(); if ( log.isWarnEnabled() ) log.warn(errmsg, x); } else { if ( log.isDebugEnabled() )log.debug(errmsg, x); } throw x; } finally { ackbuf.clear(); } }
Example #6
Source File: BioReplicationTask.java From tomcatsrc with Apache License 2.0 | 5 votes |
protected void execute(ObjectReader reader) throws Exception{ int pkgcnt = reader.count(); if ( pkgcnt > 0 ) { ChannelMessage[] msgs = reader.execute(); for ( int i=0; i<msgs.length; i++ ) { /** * Use send ack here if you want to ack the request to the remote * server before completing the request * This is considered an asynchronized request */ if (ChannelData.sendAckAsync(msgs[i].getOptions())) sendAck(Constants.ACK_COMMAND); try { //process the message getCallback().messageDataReceived(msgs[i]); /** * Use send ack here if you want the request to complete on this * server before sending the ack to the remote server * This is considered a synchronized request */ if (ChannelData.sendAckSync(msgs[i].getOptions())) sendAck(Constants.ACK_COMMAND); }catch ( Exception x ) { if (ChannelData.sendAckSync(msgs[i].getOptions())) sendAck(Constants.FAIL_ACK_COMMAND); log.error("Error thrown from messageDataReceived.",x); } if ( getUseBufferPool() ) { BufferPool.getBufferPool().returnBuffer(msgs[i].getMessage()); msgs[i].setMessage(null); } } } }