List of usage examples for org.apache.http.protocol HttpContext removeAttribute
Object removeAttribute(String str);
From source file:org.apache.synapse.transport.nhttp.ServerHandler.java
/** * Process ready output by writing into the channel * @param conn the connection being processed * @param encoder the content encoder in use *///from www . j av a2s . co m public void outputReady(final NHttpServerConnection conn, final ContentEncoder encoder) { HttpContext context = conn.getContext(); HttpResponse response = conn.getHttpResponse(); ContentOutputBuffer outBuf = (ContentOutputBuffer) context.getAttribute(RESPONSE_SOURCE_BUFFER); if (outBuf == null) { // fix for SYNAPSE 584. This is a temporaly fix becuase of HTTPCORE-208 shutdownConnection(conn, false, null); return; } try { int bytesWritten = outBuf.produceContent(encoder); if (metrics != null && bytesWritten > 0) { metrics.incrementBytesSent(bytesWritten); } if (encoder.isCompleted()) { long currentTime = System.currentTimeMillis(); context.setAttribute(NhttpConstants.RES_TO_CLIENT_WRITE_END_TIME, currentTime); context.setAttribute(NhttpConstants.RES_DEPARTURE_TIME, currentTime); updateLatencyView(context); context.removeAttribute(NhttpConstants.REQ_ARRIVAL_TIME); context.removeAttribute(NhttpConstants.REQ_DEPARTURE_TIME); context.removeAttribute(NhttpConstants.RES_ARRIVAL_TIME); ((ServerConnectionDebug) conn.getContext().getAttribute(SERVER_CONNECTION_DEBUG)) .recordResponseCompletionTime(); Boolean reqRead = (Boolean) conn.getContext().getAttribute(NhttpConstants.REQUEST_READ); Boolean forceConnectionClose = (Boolean) conn.getContext() .getAttribute(NhttpConstants.FORCE_CONNECTION_CLOSE); if (reqRead != null && !reqRead) { try { // this is a connection we should not re-use conn.close(); } catch (Exception ignore) { } } else if (!connStrategy.keepAlive(response, context)) { conn.close(); } else if (forceConnectionClose != null && forceConnectionClose) { conn.close(); } else { conn.requestInput(); } } } catch (IOException e) { if (metrics != null) { metrics.incrementFaultsSending(); } handleException("I/O Error at outputReady : " + e.getMessage(), e, conn); } }
From source file:org.apache.synapse.transport.nhttp.ClientHandler.java
/** * Perform processing of the received response though Axis2 * * @param conn HTTP connection to be processed * @param context HTTP context associated with the connection * @param response HTTP response associated with the connection */// w ww .j av a2 s. c o m private void processResponse(final NHttpClientConnection conn, HttpContext context, HttpResponse response) { ContentInputBuffer inputBuffer = null; MessageContext outMsgContext = (MessageContext) context.getAttribute(OUTGOING_MESSAGE_CONTEXT); String endptPrefix = (String) context.getAttribute(NhttpConstants.ENDPOINT_PREFIX); String requestMethod = (String) context.getAttribute(NhttpConstants.HTTP_REQ_METHOD); int statusCode = response.getStatusLine().getStatusCode(); boolean expectEntityBody = false; if (!"HEAD".equals(requestMethod) && !"OPTIONS".equals(requestMethod) && statusCode >= HttpStatus.SC_OK && statusCode != HttpStatus.SC_NO_CONTENT && statusCode != HttpStatus.SC_NOT_MODIFIED && statusCode != HttpStatus.SC_RESET_CONTENT) { expectEntityBody = true; } else if (NhttpConstants.HTTP_HEAD.equals(requestMethod)) { // When invoking http HEAD request esb set content length as 0 to response header. Since there is no message // body content length cannot be calculated inside synapse. Hence additional two headers are added to // which contains content length of the backend response and the request method. These headers are removed // before submitting the actual response. response.addHeader(NhttpConstants.HTTP_REQUEST_METHOD, requestMethod); if (response.getFirstHeader(HTTP.CONTENT_LEN) != null) { response.addHeader(NhttpConstants.ORIGINAL_CONTENT_LEN, response.getFirstHeader(HTTP.CONTENT_LEN).getValue()); } } if (expectEntityBody) { inputBuffer = new SharedInputBuffer(cfg.getBufferSize(), conn, allocator); context.setAttribute(RESPONSE_SINK_BUFFER, inputBuffer); BasicHttpEntity entity = new BasicHttpEntity(); if (response.getStatusLine().getProtocolVersion().greaterEquals(HttpVersion.HTTP_1_1)) { entity.setChunked(true); } response.setEntity(entity); context.setAttribute(ExecutionContext.HTTP_RESPONSE, response); } else { conn.resetInput(); conn.resetOutput(); if (context.getAttribute(NhttpConstants.DISCARD_ON_COMPLETE) != null || !connStrategy.keepAlive(response, context)) { try { // this is a connection we should not re-use connpool.forget(conn); shutdownConnection(conn, false, null); context.removeAttribute(RESPONSE_SINK_BUFFER); context.removeAttribute(REQUEST_SOURCE_BUFFER); } catch (Exception ignore) { } } else { connpool.release(conn); } } workerPool .execute(new ClientWorker(cfgCtx, inputBuffer == null ? null : new ContentInputStream(inputBuffer), response, outMsgContext, endptPrefix)); }
From source file:org.apache.synapse.transport.nhttp.ClientHandler.java
public void requestReady(final NHttpClientConnection conn) throws IOException, HttpException { // The connection is ready for submission of a new request HttpContext context = conn.getContext(); ProxyTunnelHandler tunnelHandler = (ProxyTunnelHandler) context.getAttribute(TUNNEL_HANDLER); if (tunnelHandler != null && !tunnelHandler.isCompleted()) { if (!tunnelHandler.isRequested()) { HttpRequest request = tunnelHandler.generateRequest(context); if (proxyauthenticator != null) { proxyauthenticator.authenticatePreemptively(request, context); }// www.j a v a 2s . co m if (log.isDebugEnabled()) { log.debug(conn + ": Sending CONNECT request to " + tunnelHandler.getProxy()); } conn.submitRequest(request); tunnelHandler.setRequested(); } return; } Axis2HttpRequest axis2Req = (Axis2HttpRequest) context.removeAttribute(ATTACHMENT_KEY); if (axis2Req == null || axis2Req.isCompleted()) { return; } try { processConnection(conn, axis2Req); } catch (ConnectionClosedException e) { metrics.incrementFaultsSending(); handleException("I/O Error submitting request : " + e.getMessage(), e, conn); } }
From source file:org.apache.synapse.transport.nhttp.ClientHandler.java
/** * Handle connection close events// ww w . j a v a 2 s . c o m * * @param conn HTTP connection to be closed */ public void closed(final NHttpClientConnection conn) { connpool.forget(conn); String message = getErrorMessage("Connection close", conn); if (log.isTraceEnabled()) { log.trace(conn + ": " + message); } Axis2HttpRequest axis2Request = (Axis2HttpRequest) conn.getContext().getAttribute(AXIS2_HTTP_REQUEST); if (axis2Request == null) { axis2Request = (Axis2HttpRequest) conn.getContext().getAttribute(ATTACHMENT_KEY); } if (axis2Request != null && !axis2Request.isCompleted()) { checkAxisRequestComplete(conn, NhttpConstants.CONNECTION_CLOSED, message, null); shutdownConnection(conn, true, "Connection closed before response is received"); } else { if (log.isDebugEnabled()) { log.debug(conn + ": " + getErrorMessage("Keep-alive connection closed", conn)); } shutdownConnection(conn, false, null); } HttpContext context = conn.getContext(); context.removeAttribute(RESPONSE_SINK_BUFFER); context.removeAttribute(REQUEST_SOURCE_BUFFER); metrics.disconnected(); }
From source file:org.apache.synapse.transport.nhttp.ClientHandler.java
/** * Handle connection timeouts by shutting down the connections. These are established * that have reached the SO_TIMEOUT of the socket * /* ww w .ja v a2s . com*/ * @param conn the connection being processed */ public void timeout(final NHttpClientConnection conn) { String message = getErrorMessage("Connection timeout", conn); if (log.isDebugEnabled()) { log.debug(conn + ": " + message); } Axis2HttpRequest axis2Request = (Axis2HttpRequest) conn.getContext().getAttribute(AXIS2_HTTP_REQUEST); if (axis2Request == null) { axis2Request = (Axis2HttpRequest) conn.getContext().getAttribute(ATTACHMENT_KEY); } if (axis2Request != null && !axis2Request.isCompleted()) { checkAxisRequestComplete(conn, NhttpConstants.CONNECTION_TIMEOUT, message, null); shutdownConnection(conn, true, "Connection timeout before response is received"); } else { if (log.isDebugEnabled()) { log.debug(conn + ": " + getErrorMessage("Keep-alive connection timed out", conn)); } shutdownConnection(conn, false, null); } HttpContext context = conn.getContext(); context.removeAttribute(RESPONSE_SINK_BUFFER); context.removeAttribute(REQUEST_SOURCE_BUFFER); }
From source file:org.apache.synapse.transport.nhttp.ClientHandler.java
/** * Process ready input (i.e. response from remote server) * /*from ww w . ja va 2s .c o m*/ * @param conn connection being processed * @param decoder the content decoder in use */ public void inputReady(final NHttpClientConnection conn, final ContentDecoder decoder) { HttpContext context = conn.getContext(); HttpResponse response = conn.getHttpResponse(); ContentInputBuffer inBuf = (ContentInputBuffer) context.getAttribute(RESPONSE_SINK_BUFFER); try { int bytesRead = inBuf.consumeContent(decoder); if (metrics != null && bytesRead > 0) { if (metrics.getLevel() == MetricsCollector.LEVEL_FULL) { metrics.incrementBytesReceived(getMessageContext(conn), bytesRead); } else { metrics.incrementBytesReceived(bytesRead); } } if (decoder.isCompleted()) { setServerContextAttribute(NhttpConstants.RES_ARRIVAL_TIME, System.currentTimeMillis(), conn); setServerContextAttribute(NhttpConstants.RES_FROM_BACKEND_READ_END_TIME, System.currentTimeMillis(), conn); ClientConnectionDebug ccd = (ClientConnectionDebug) conn.getContext() .getAttribute(CLIENT_CONNECTION_DEBUG); if (ccd != null) { ccd.recordResponseCompletionTime(); } if (metrics != null) { if (metrics.getLevel() == MetricsCollector.LEVEL_FULL) { MessageContext mc = getMessageContext(conn); metrics.incrementMessagesReceived(mc); metrics.notifyReceivedMessageSize(mc, conn.getMetrics().getReceivedBytesCount()); metrics.notifySentMessageSize(mc, conn.getMetrics().getSentBytesCount()); metrics.reportResponseCode(mc, response.getStatusLine().getStatusCode()); } else { metrics.incrementMessagesReceived(); metrics.notifyReceivedMessageSize(conn.getMetrics().getReceivedBytesCount()); metrics.notifySentMessageSize(conn.getMetrics().getSentBytesCount()); } } // reset metrics on connection conn.getMetrics().reset(); if (context.getAttribute(NhttpConstants.DISCARD_ON_COMPLETE) != null) { try { // this is a connection we should not re-use connpool.forget(conn); shutdownConnection(conn, false, null); context.removeAttribute(RESPONSE_SINK_BUFFER); context.removeAttribute(REQUEST_SOURCE_BUFFER); } catch (Exception ignore) { } } else if (!connStrategy.keepAlive(response, context)) { shutdownConnection(conn, false, null); context.removeAttribute(RESPONSE_SINK_BUFFER); context.removeAttribute(REQUEST_SOURCE_BUFFER); } else { connpool.release(conn); } } } catch (IOException e) { if (metrics != null) { if (metrics.getLevel() == MetricsCollector.LEVEL_FULL) { metrics.incrementFaultsReceiving(NhttpConstants.SND_IO_ERROR_RECEIVING, getMessageContext(conn)); } else { metrics.incrementFaultsReceiving(); } } handleException("I/O Error at inputReady : " + e.getMessage(), e, conn); } }
From source file:org.apache.synapse.transport.nhttp.ClientHandler.java
/** * Process a response received for the request sent out * /* ww w . ja v a 2s. com*/ * @param conn the connection being processed */ public void responseReceived(final NHttpClientConnection conn) { setServerContextAttribute(NhttpConstants.RES_FROM_BACKEND_READ_START_TIME, System.currentTimeMillis(), conn); HttpContext context = conn.getContext(); HttpResponse response = conn.getHttpResponse(); ProxyTunnelHandler tunnelHandler = (ProxyTunnelHandler) context.getAttribute(TUNNEL_HANDLER); if (tunnelHandler != null && !tunnelHandler.isCompleted()) { context.removeAttribute(TUNNEL_HANDLER); tunnelHandler.handleResponse(response, conn); if (tunnelHandler.isSuccessful()) { log.debug(conn + ": Tunnel established"); conn.resetInput(); conn.requestOutput(); return; } else { Axis2HttpRequest axis2Req = (Axis2HttpRequest) context.getAttribute(ATTACHMENT_KEY); context.setAttribute(AXIS2_HTTP_REQUEST, axis2Req); context.setAttribute(OUTGOING_MESSAGE_CONTEXT, axis2Req.getMsgContext()); ContentOutputBuffer outputBuffer = new SharedOutputBuffer(cfg.getBufferSize(), conn, allocator); axis2Req.setOutputBuffer(outputBuffer); context.setAttribute(REQUEST_SOURCE_BUFFER, outputBuffer); context.setAttribute(NhttpConstants.DISCARD_ON_COMPLETE, Boolean.TRUE); } } setServerContextAttribute(NhttpConstants.RES_HEADER_ARRIVAL_TIME, System.currentTimeMillis(), conn); if (response.getStatusLine().getStatusCode() == HttpStatus.SC_CONTINUE) { if (log.isDebugEnabled()) { log.debug(conn + ": Received a 100 Continue response"); } // according to the HTTP 1.1 specification HTTP status 100 continue implies that // the response will be followed, and the client should just ignore the 100 Continue // and wait for the response return; } ClientConnectionDebug ccd = (ClientConnectionDebug) conn.getContext().getAttribute(CLIENT_CONNECTION_DEBUG); if (ccd != null) { ccd.recordResponseStartTime(response.getStatusLine().toString()); } // Have we sent out our request fully in the first place? if not, forget about it now.. Axis2HttpRequest req = (Axis2HttpRequest) conn.getContext().getAttribute(AXIS2_HTTP_REQUEST); if (req != null) { req.setCompleted(true); if (log.isDebugEnabled()) { log.debug(conn + ": Response Received for Request : " + req); } if (!req.isSendingCompleted()) { req.getMsgContext().setProperty(NhttpConstants.ERROR_CODE, NhttpConstants.SEND_ABORT); SharedOutputBuffer outputBuffer = (SharedOutputBuffer) conn.getContext() .getAttribute(REQUEST_SOURCE_BUFFER); if (outputBuffer != null) { outputBuffer.shutdown(); } if (log.isDebugEnabled()) { log.debug(conn + ": Remote server aborted request being sent and replied : " + conn + " for request : " + conn.getContext().getAttribute(NhttpConstants.HTTP_REQ_METHOD)); } context.setAttribute(NhttpConstants.DISCARD_ON_COMPLETE, Boolean.TRUE); if (metrics != null) { metrics.incrementFaultsSending(NhttpConstants.SEND_ABORT, req.getMsgContext()); } } } switch (response.getStatusLine().getStatusCode()) { case HttpStatus.SC_ACCEPTED: { if (log.isDebugEnabled()) { log.debug(conn + ": Received a 202 Accepted response"); } // Process response body if Content-Type header is present in the response // If Content-Type header is null, We will ignore entity body Header contentType = response.getFirstHeader(HTTP.CONTENT_TYPE); if (contentType != null) { processResponse(conn, context, response); return; } // sometimes, some http clients sends an "\r\n" as the content body with a // HTTP 202 OK.. we will just get it into this temp buffer and ignore it.. ContentInputBuffer inputBuffer = new SharedInputBuffer(8, conn, allocator); context.setAttribute(RESPONSE_SINK_BUFFER, inputBuffer); // create a dummy message with an empty SOAP envelope and a property // NhttpConstants.SC_ACCEPTED set to Boolean.TRUE to indicate this is a // placeholder message for the transport to send a HTTP 202 to the // client. Should / would be ignored by any transport other than // nhttp. For example, JMS would not send a reply message for one-way // operations. MessageContext outMsgCtx = (MessageContext) context.getAttribute(OUTGOING_MESSAGE_CONTEXT); MessageReceiver mr = outMsgCtx.getAxisOperation().getMessageReceiver(); // the following check is to support the dual channel invocation. Hence the // response will be sent as a new request to the client over a different channel // client sends back a 202 Accepted response to synapse and we need to neglect that // 202 Accepted message if (!outMsgCtx.isPropertyTrue(NhttpConstants.IGNORE_SC_ACCEPTED)) { try { MessageContext responseMsgCtx = outMsgCtx.getOperationContext() .getMessageContext(WSDL2Constants.MESSAGE_LABEL_IN); if (responseMsgCtx == null || outMsgCtx.getOptions().isUseSeparateListener() || outMsgCtx.getOperationContext().isComplete()) { if (responseMsgCtx != null && responseMsgCtx.getProperty("synapse.send") == null) { return; } } else if (responseMsgCtx == null || outMsgCtx.getOptions().isUseSeparateListener()) { // Since we need to notify the SynapseCallback receiver to remove the // call backs registered we set a custom property setHeaders(context, response, outMsgCtx, responseMsgCtx); outMsgCtx.setProperty(NhttpConstants.HTTP_202_RECEIVED, "true"); mr.receive(outMsgCtx); return; } if (responseMsgCtx == null) { return; } setHeaders(context, response, outMsgCtx, responseMsgCtx); responseMsgCtx.setServerSide(true); responseMsgCtx.setDoingREST(outMsgCtx.isDoingREST()); responseMsgCtx.setProperty(MessageContext.TRANSPORT_IN, outMsgCtx.getProperty(MessageContext.TRANSPORT_IN)); responseMsgCtx.setTransportIn(outMsgCtx.getTransportIn()); responseMsgCtx.setTransportOut(outMsgCtx.getTransportOut()); responseMsgCtx.setAxisMessage( outMsgCtx.getAxisOperation().getMessage(WSDLConstants.MESSAGE_LABEL_IN_VALUE)); responseMsgCtx.setOperationContext(outMsgCtx.getOperationContext()); responseMsgCtx.setConfigurationContext(outMsgCtx.getConfigurationContext()); responseMsgCtx.setTo(null); if (!outMsgCtx.isDoingREST() && !outMsgCtx.isSOAP11()) { responseMsgCtx.setEnvelope(new SOAP12Factory().getDefaultEnvelope()); } else { responseMsgCtx.setEnvelope(new SOAP11Factory().getDefaultEnvelope()); } responseMsgCtx.setProperty(AddressingConstants.DISABLE_ADDRESSING_FOR_OUT_MESSAGES, Boolean.TRUE); responseMsgCtx.setProperty(NhttpConstants.SC_ACCEPTED, Boolean.TRUE); int statusCode = response.getStatusLine().getStatusCode(); responseMsgCtx.setProperty(NhttpConstants.HTTP_SC, statusCode); mr.receive(responseMsgCtx); } catch (org.apache.axis2.AxisFault af) { log.debug(conn + ": Unable to report back " + "202 Accepted state to the message receiver"); } } return; } case HttpStatus.SC_OK: { processResponse(conn, context, response); return; } case HttpStatus.SC_INTERNAL_SERVER_ERROR: { if (warnOnHttp500(response)) { log.warn(getErrorMessage( "Received an internal server error : " + response.getStatusLine().getReasonPhrase(), conn)); } processResponse(conn, context, response); return; } default: { if (log.isDebugEnabled()) { log.debug(conn + ": " + getErrorMessage("HTTP status code received : " + response.getStatusLine().getStatusCode() + " :: " + response.getStatusLine().getReasonPhrase(), conn)); } Header contentType = response.getFirstHeader(HTTP.CONTENT_TYPE); if (contentType != null) { if ((contentType.getValue().indexOf(SOAP11Constants.SOAP_11_CONTENT_TYPE) >= 0) || contentType.getValue().indexOf(SOAP12Constants.SOAP_12_CONTENT_TYPE) >= 0) { if (log.isDebugEnabled()) { log.debug(conn + ": Received an unexpected response with a SOAP payload"); } } else if (contentType.getValue().indexOf("html") == -1) { if (log.isDebugEnabled()) { log.debug(conn + ": Received an unexpected response with a POX/REST payload"); } } else { log.warn(getErrorMessage( "Received an unexpected response - " + "of content type : " + contentType.getValue() + " and status code : " + response.getStatusLine().getStatusCode() + " with reason : " + response.getStatusLine().getReasonPhrase(), conn)); } } else { if (log.isDebugEnabled()) { log.debug(conn + ": " + getErrorMessage( "Received a response - " + "without a content type with status code : " + response.getStatusLine().getStatusCode() + " and reason : " + response.getStatusLine().getReasonPhrase(), conn)); } } processResponse(conn, context, response); } } }
From source file:org.apache.synapse.transport.nhttp.ClientHandler.java
/** * Shutdown the connection ignoring any IO errors during the process * * @param conn the connection to be shutdown * @param isError whether shutdown is due to an error * @param errorMsg error message if shutdown happens on error *///from w w w . j ava 2 s.co m private void shutdownConnection(final NHttpClientConnection conn, boolean isError, String errorMsg) { if (conn instanceof HttpInetConnection) { HttpInetConnection inetConnection = (HttpInetConnection) conn; if (log.isWarnEnabled() && (isError || log.isDebugEnabled())) { String msg = "Connection from local address : " + inetConnection.getLocalAddress() + ":" + inetConnection.getLocalPort() + " to remote address : " + inetConnection.getRemoteAddress() + ":" + inetConnection.getRemotePort() + " is closed!" + (errorMsg != null ? " - On error : " + errorMsg : ""); if (isError) { log.warn(msg); } else { log.debug(msg); } } if (countConnections) { removeConnectionRecord(inetConnection); } } HttpContext context = conn.getContext(); SharedOutputBuffer outputBuffer = (SharedOutputBuffer) context.getAttribute(REQUEST_SOURCE_BUFFER); if (outputBuffer != null) { outputBuffer.close(); } SharedInputBuffer inputBuffer = (SharedInputBuffer) context.getAttribute(RESPONSE_SINK_BUFFER); if (inputBuffer != null) { inputBuffer.close(); } try { conn.shutdown(); } catch (IOException ignore) { } context.removeAttribute(RESPONSE_SINK_BUFFER); context.removeAttribute(REQUEST_SOURCE_BUFFER); context.removeAttribute(CLIENT_CONNECTION_DEBUG); context.removeAttribute(CONNECTION_CREATION_TIME); }