private void dispatchSomePendingEvents(boolean flag)
throws IOException, ParseException, HttpException
{
if (GoogleAnalyticsTracker.getInstance().getDebug() && flag)
{
Log.v("GoogleAnalyticsTracker", "dispatching events in dry run mode");
}
int i = 0;
while (i < events.size() && i < maxEventsPerRequest)
{
Event event = (Event)events.get(i);
String s;
BasicHttpRequest basichttprequest;
if ("__##GOOGLEPAGEVIEW##__".equals(event.category))
{
s = NetworkRequestUtil.constructPageviewRequestPath(event, referrer);
} else
if ("__##GOOGLETRANSACTION##__".equals(event.category))
{
s = NetworkRequestUtil.constructTransactionRequestPath(event, referrer);
} else
if ("__##GOOGLEITEM##__".equals(event.category))
{
s = NetworkRequestUtil.constructItemRequestPath(event, referrer);
} else
{
s = NetworkRequestUtil.constructEventRequestPath(event, referrer);
}
basichttprequest = new BasicHttpRequest("GET", s);
basichttprequest.addHeader("Host", NetworkDispatcher.access$200().getHostName());
basichttprequest.addHeader("User-Agent", userAgent);
if (GoogleAnalyticsTracker.getInstance().getDebug())
{
Log.i("GoogleAnalyticsTracker", basichttprequest.getRequestLine().toString());
}
if (flag)
{
requesterCallBacks.requestSent();
} else
{
pipelinedRequester.addRequest(basichttprequest);
}
i++;
}
if (!flag)
{
pipelinedRequester.sendRequests();
}
}
/**
* Opens the connection to a http server or proxy.
*
* @return the opened low level connection
* @throws IOException if the connection fails for any reason.
*/
@Override
AndroidHttpClientConnection openConnection(Request req) throws IOException {
SSLSocket sslSock = null;
if (mProxyHost != null) {
// If we have a proxy set, we first send a CONNECT request
// to the proxy; if the proxy returns 200 OK, we negotiate
// a secure connection to the target server via the proxy.
// If the request fails, we drop it, but provide the event
// handler with the response status and headers. The event
// handler is then responsible for cancelling the load or
// issueing a new request.
AndroidHttpClientConnection proxyConnection = null;
Socket proxySock = null;
try {
proxySock = new Socket(mProxyHost.getHostName(), mProxyHost.getPort());
proxySock.setSoTimeout(60 * 1000);
proxyConnection = new AndroidHttpClientConnection();
HttpParams params = new BasicHttpParams();
HttpConnectionParams.setSocketBufferSize(params, 8192);
proxyConnection.bind(proxySock, params);
} catch (IOException e) {
if (proxyConnection != null) {
proxyConnection.close();
}
String errorMessage = e.getMessage();
if (errorMessage == null) {
errorMessage = "failed to establish a connection to the proxy";
}
throw new IOException(errorMessage);
}
StatusLine statusLine = null;
int statusCode = 0;
Headers headers = new Headers();
try {
BasicHttpRequest proxyReq = new BasicHttpRequest("CONNECT", mHost.toHostString());
// add all 'proxy' headers from the original request, we also need
// to add 'host' header unless we want proxy to answer us with a
// 400 Bad Request
for (Header h : req.mHttpRequest.getAllHeaders()) {
String headerName = h.getName().toLowerCase(Locale.ROOT);
if (headerName.startsWith("proxy")
|| headerName.equals("keep-alive")
|| headerName.equals("host")) {
proxyReq.addHeader(h);
}
}
proxyConnection.sendRequestHeader(proxyReq);
proxyConnection.flush();
// it is possible to receive informational status
// codes prior to receiving actual headers;
// all those status codes are smaller than OK 200
// a loop is a standard way of dealing with them
do {
statusLine = proxyConnection.parseResponseHeader(headers);
statusCode = statusLine.getStatusCode();
} while (statusCode < HttpStatus.SC_OK);
} catch (ParseException e) {
String errorMessage = e.getMessage();
if (errorMessage == null) {
errorMessage = "failed to send a CONNECT request";
}
throw new IOException(errorMessage);
} catch (HttpException e) {
String errorMessage = e.getMessage();
if (errorMessage == null) {
errorMessage = "failed to send a CONNECT request";
}
throw new IOException(errorMessage);
} catch (IOException e) {
String errorMessage = e.getMessage();
if (errorMessage == null) {
errorMessage = "failed to send a CONNECT request";
}
throw new IOException(errorMessage);
}
if (statusCode == HttpStatus.SC_OK) {
try {
sslSock =
(SSLSocket)
getSocketFactory()
.createSocket(proxySock, mHost.getHostName(), mHost.getPort(), true);
} catch (IOException e) {
if (sslSock != null) {
sslSock.close();
}
String errorMessage = e.getMessage();
if (errorMessage == null) {
errorMessage = "failed to create an SSL socket";
}
throw new IOException(errorMessage);
}
} else {
// if the code is not OK, inform the event handler
ProtocolVersion version = statusLine.getProtocolVersion();
req.mEventHandler.status(
version.getMajor(), version.getMinor(), statusCode, statusLine.getReasonPhrase());
req.mEventHandler.headers(headers);
req.mEventHandler.endData();
proxyConnection.close();
// here, we return null to indicate that the original
// request needs to be dropped
return null;
}
} else {
// if we do not have a proxy, we simply connect to the host
try {
sslSock = (SSLSocket) getSocketFactory().createSocket(mHost.getHostName(), mHost.getPort());
sslSock.setSoTimeout(SOCKET_TIMEOUT);
} catch (IOException e) {
if (sslSock != null) {
sslSock.close();
}
String errorMessage = e.getMessage();
if (errorMessage == null) {
errorMessage = "failed to create an SSL socket";
}
throw new IOException(errorMessage);
}
}
// do handshake and validate server certificates
SslError error =
CertificateChainValidator.getInstance()
.doHandshakeAndValidateServerCertificates(this, sslSock, mHost.getHostName());
// Inform the user if there is a problem
if (error != null) {
// handleSslErrorRequest may immediately unsuspend if it wants to
// allow the certificate anyway.
// So we mark the connection as suspended, call handleSslErrorRequest
// then check if we're still suspended and only wait if we actually
// need to.
synchronized (mSuspendLock) {
mSuspended = true;
}
// don't hold the lock while calling out to the event handler
boolean canHandle = req.getEventHandler().handleSslErrorRequest(error);
if (!canHandle) {
throw new IOException("failed to handle " + error);
}
synchronized (mSuspendLock) {
if (mSuspended) {
try {
// Put a limit on how long we are waiting; if the timeout
// expires (which should never happen unless you choose
// to ignore the SSL error dialog for a very long time),
// we wake up the thread and abort the request. This is
// to prevent us from stalling the network if things go
// very bad.
mSuspendLock.wait(10 * 60 * 1000);
if (mSuspended) {
// mSuspended is true if we have not had a chance to
// restart the connection yet (ie, the wait timeout
// has expired)
mSuspended = false;
mAborted = true;
if (HttpLog.LOGV) {
HttpLog.v(
"HttpsConnection.openConnection():"
+ " SSL timeout expired and request was cancelled!!!");
}
}
} catch (InterruptedException e) {
// ignore
}
}
if (mAborted) {
// The user decided not to use this unverified connection
// so close it immediately.
sslSock.close();
throw new SSLConnectionClosedByUserException("connection closed by the user");
}
}
}
// All went well, we have an open, verified connection.
AndroidHttpClientConnection conn = new AndroidHttpClientConnection();
BasicHttpParams params = new BasicHttpParams();
params.setIntParameter(HttpConnectionParams.SOCKET_BUFFER_SIZE, 8192);
conn.bind(sslSock, params);
return conn;
}
public void run() {
try {
Socket socket = new Socket(host.getHostName(), host.getPort());
conn.bind(socket, params);
// build request
BasicHttpRequest request;
if (!this.getRequest().getBody().isEmpty()) {
request =
new BasicHttpEntityEnclosingRequest(
this.getRequest().getMethod(), this.getRequest().getPath());
} else {
request = new BasicHttpRequest(this.getRequest().getMethod(), this.getRequest().getPath());
}
// add headers
Map<String, String> headers = this.getRequest().getHeaders();
Iterator<Map.Entry<String, String>> it = headers.entrySet().iterator();
while (it.hasNext()) {
Map.Entry<String, String> pairs = it.next();
request.addHeader(pairs.getKey(), pairs.getValue());
}
// set body
if (request instanceof BasicHttpEntityEnclosingRequest) {
StringEntity body = new StringEntity(this.getRequest().getBody());
((BasicHttpEntityEnclosingRequest) request).setEntity(body);
}
logger.info("> " + request.getRequestLine().getUri());
// request
request.setParams(params);
httpexecutor.preProcess(request, httpproc, context);
HttpResponse response = httpexecutor.execute(request, conn, context);
response.setParams(params);
httpexecutor.postProcess(response, httpproc, context);
logger.info("< " + response.getStatusLine());
// set all request headers
Header[] allHeaders = request.getAllHeaders();
for (int i = 0; i < allHeaders.length; i++) {
this.getRequest().setHeader(allHeaders[i].getName(), allHeaders[i].getValue());
}
// create response
String content = "";
HttpEntity entity = response.getEntity();
if (entity != null) {
content = EntityUtils.toString(entity);
}
this.response = new Response(response, content);
// call callback
callback.onResponse(this.request, this.response);
} catch (Exception e) {
Aletheia.handleException(e);
} finally {
try {
conn.close();
} catch (Exception e) {
Aletheia.handleException(e);
}
}
}
public static void main(String[] args) throws Exception {
HttpParams params = new SyncBasicHttpParams();
HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);
HttpProtocolParams.setContentCharset(params, "UTF-8");
HttpProtocolParams.setUserAgent(params, "HttpComponents/1.1");
HttpProtocolParams.setUseExpectContinue(params, true);
HttpProcessor httpproc =
new ImmutableHttpProcessor(
new HttpRequestInterceptor[] {
new RequestContent(),
new RequestTargetHost(),
new RequestConnControl(),
new RequestUserAgent(),
new RequestExpectContinue()
});
HttpRequestExecutor httpexecutor = new HttpRequestExecutor();
HttpContext context = new BasicHttpContext(null);
HttpHost host = new HttpHost("localhost", 8080);
DefaultHttpClientConnection conn = new DefaultHttpClientConnection();
ConnectionReuseStrategy connStrategy = new DefaultConnectionReuseStrategy();
context.setAttribute(ExecutionContext.HTTP_CONNECTION, conn);
context.setAttribute(ExecutionContext.HTTP_TARGET_HOST, host);
try {
String[] targets = {"/t.html"};
for (int i = 0; i < targets.length; i++) {
if (!conn.isOpen()) {
Socket socket = new Socket(host.getHostName(), host.getPort());
conn.bind(socket, params);
}
BasicHttpRequest request = new BasicHttpRequest("GET", targets[i]);
System.out.println(">> Request URI: " + request.getRequestLine().getUri());
request.setParams(params);
httpexecutor.preProcess(request, httpproc, context);
HttpResponse response = httpexecutor.execute(request, conn, context);
response.setParams(params);
httpexecutor.postProcess(response, httpproc, context);
System.out.println("<< Response: " + response.getStatusLine());
System.out.println(EntityUtils.toString(response.getEntity()));
System.out.println("==============");
if (!connStrategy.keepAlive(response, context)) {
conn.close();
} else {
System.out.println("Connection kept alive...");
}
}
} finally {
conn.close();
}
}
