/** Tests the MultiThreadedHttpConnectionManager's ability to reclaim unused connections. */
public void testConnectionReclaiming() {
MultiThreadedHttpConnectionManager connectionManager = new MultiThreadedHttpConnectionManager();
connectionManager.getParams().setDefaultMaxConnectionsPerHost(1);
connectionManager.getParams().setMaxTotalConnections(1);
HostConfiguration host1 = new HostConfiguration();
host1.setHost("host1", -1, "http");
HostConfiguration host2 = new HostConfiguration();
host2.setHost("host2", -1, "http");
HttpConnection connection = connectionManager.getConnection(host1);
// now release this connection
connection.releaseConnection();
connection = null;
try {
// the connection from host1 should be reclaimed
connection = connectionManager.getConnectionWithTimeout(host2, 100);
} catch (ConnectTimeoutException e) {
e.printStackTrace();
fail("a httpConnection should have been available: " + e);
}
}
/**
* Tests the MultiThreadedHttpConnectionManager's ability to restrict the maximum number of
* connections.
*/
public void testMaxConnections() {
MultiThreadedHttpConnectionManager connectionManager = new MultiThreadedHttpConnectionManager();
connectionManager.getParams().setDefaultMaxConnectionsPerHost(1);
connectionManager.getParams().setMaxTotalConnections(2);
HostConfiguration host1 = new HostConfiguration();
host1.setHost("host1", -1, "http");
HostConfiguration host2 = new HostConfiguration();
host2.setHost("host2", -1, "http");
HttpConnection connection1 = connectionManager.getConnection(host1);
HttpConnection connection2 = connectionManager.getConnection(host2);
try {
// this should fail quickly since the connection has not been released
connectionManager.getConnectionWithTimeout(host2, 100);
fail("ConnectionPoolTimeoutException should not be available");
} catch (ConnectionPoolTimeoutException e) {
// this should throw an exception
}
// release one of the connections
connection2.releaseConnection();
connection2 = null;
try {
// there should be a connection available now
connection2 = connectionManager.getConnectionWithTimeout(host2, 100);
} catch (ConnectionPoolTimeoutException e) {
e.printStackTrace();
fail("a httpConnection should have been available: " + e);
}
}
public void testHttpPost() throws URISyntaxException, HttpException, IOException {
URI uri = new URI(HTTP_LOCALHOST_60198);
PostMethod postMethod = new PostMethod(uri.toString());
postMethod.setRequestEntity(new StringRequestEntity(TEST_MESSAGE));
HttpConnection cnn = new HttpConnection(uri.getHost(), uri.getPort());
cnn.open();
postMethod.execute(new HttpState(), cnn);
System.out.println("PostResponse: " + postMethod.getResponseBodyAsString());
}
protected String doHttpGet(String param) throws URISyntaxException, HttpException, IOException {
URI uri = new URI(HTTP_LOCALHOST_60198);
GetMethod getMethod = new GetMethod(uri.toString());
getMethod.setQueryString("param=" + param);
HttpConnection cnn = new HttpConnection(uri.getHost(), uri.getPort());
cnn.open();
getMethod.execute(new HttpState(), cnn);
System.out.println("GetResponse: " + getMethod.getResponseBodyAsString());
return getMethod.getResponseBodyAsString();
}
/**
* Since the same connection is about to be reused, make sure the previous request was completely
* processed, and if not consume it now.
*
* @param conn The connection
*/
static void finishLastResponse(HttpConnection conn) {
InputStream lastResponse = conn.getLastResponseInputStream();
if (lastResponse != null) {
conn.setLastResponseInputStream(null);
try {
lastResponse.close();
} catch (IOException ioe) {
// FIXME: badness - close to force reconnect.
conn.close();
}
}
}
public void testHostReusePreference() {
final MultiThreadedHttpConnectionManager connectionManager =
new MultiThreadedHttpConnectionManager();
connectionManager.getParams().setDefaultMaxConnectionsPerHost(1);
connectionManager.getParams().setMaxTotalConnections(1);
final HostConfiguration host1 = new HostConfiguration();
host1.setHost("host1", -1, "http");
final HostConfiguration host2 = new HostConfiguration();
host2.setHost("host2", -1, "http");
HttpConnection connection = connectionManager.getConnection(host1);
GetConnectionThread getHost1 = new GetConnectionThread(host1, connectionManager, 200);
GetConnectionThread getHost2 = new GetConnectionThread(host2, connectionManager, 200);
getHost2.start();
getHost1.start();
// give the threads some time to startup
try {
Thread.sleep(100);
} catch (InterruptedException e1) {
e1.printStackTrace();
}
// after the connection to host1 is released it should be given to getHost1
connection.releaseConnection();
connection = null;
try {
getHost1.join();
getHost2.join();
} catch (InterruptedException e) {
e.printStackTrace();
}
assertNotSame(
"Connection should have been given to someone",
getHost1.getConnection(),
getHost2.getConnection());
assertNotNull("Connection should have been given to host1", getHost1.getConnection());
assertNull("Connection should NOT have been given to host2", getHost2.getConnection());
}
public void testGetConnection() {
MultiThreadedHttpConnectionManager mgr = new MultiThreadedHttpConnectionManager();
HostConfiguration hostConfiguration = new HostConfiguration();
hostConfiguration.setHost("www.nosuchserver.com", 80, "http");
// Create a new connection
HttpConnection conn = mgr.getConnection(hostConfiguration);
// Validate the connection properties
assertEquals("Host", "www.nosuchserver.com", conn.getHost());
assertEquals("Port", 80, conn.getPort());
// Release the connection
mgr.releaseConnection(conn);
// Create a new connection
hostConfiguration.setHost("www.nosuchserver.com", -1, "https");
conn = mgr.getConnection(hostConfiguration);
// Validate the connection properties
assertEquals("Host", "www.nosuchserver.com", conn.getHost());
assertEquals("Port", 443, conn.getPort());
// Release the connection
mgr.releaseConnection(conn);
// Create a new connection
hostConfiguration.setHost("www.nowhere.org", 8080, "http");
conn = mgr.getConnection(hostConfiguration);
// Validate the connection properties
assertEquals("Host", "www.nowhere.org", conn.getHost());
assertEquals("Port", 8080, conn.getPort());
// Release the connection
mgr.releaseConnection(conn);
}
private void resetAppEngineConnection() {
mConnection = new HttpConnection("http://botczar.appspot.com/", port);
try {
mConnection.open();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/*
* Implementation copied from HttpMethodBase#readResponseHeaders(HttpState, HttpConnection) but changed to use a custom
* header parser (ZapHttpParser#parseHeaders(InputStream, String)).
*/
@Override
protected void readResponseHeaders(HttpState state, HttpConnection conn)
throws IOException, HttpException {
getResponseHeaderGroup().clear();
Header[] headers =
ZapHttpParser.parseHeaders(
conn.getResponseInputStream(), getParams().getHttpElementCharset());
// Wire logging moved to HttpParser
getResponseHeaderGroup().setHeaders(headers);
}
/**
* Tests that {@link MultiThreadedHttpConnectionManager#shutdown()} closes all resources and makes
* the connection manger unusable.
*/
public void testShutdown() {
MultiThreadedHttpConnectionManager connectionManager = new MultiThreadedHttpConnectionManager();
connectionManager.getParams().setDefaultMaxConnectionsPerHost(1);
connectionManager.getParams().setMaxTotalConnections(1);
HostConfiguration host1 = new HostConfiguration();
host1.setHost("host1", -1, "http");
// hold on to the only connection
HttpConnection connection = connectionManager.getConnection(host1);
// wait for a connection on another thread
GetConnectionThread getConn = new GetConnectionThread(host1, connectionManager, 0);
getConn.start();
connectionManager.shutdown();
// now release this connection, this should close the connection, but have no other effect
connection.releaseConnection();
connection = null;
try {
getConn.join();
} catch (InterruptedException e) {
e.printStackTrace();
}
// this thread should have caught an exception without getting a connection
assertNull("Not connection should have been checked out", getConn.getConnection());
assertNotNull("There should have been an exception", getConn.getException());
try {
connectionManager.getConnection(host1);
fail("An exception should have occurred");
} catch (Exception e) {
// this is expected
}
}
private void resetConnection() {
// Log.e("server", server);
try {
String ip = new URL(putUrl).getHost();
int port = new URL(putUrl).getPort();
mConnection = new HttpConnection(ip, port == -1 ? 80 : port);
mConnection.open();
} catch (MalformedURLException e1) {
e1.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* Closes connections that have been idle for at least the given amount of time.
*
* @param idleTime the minimum idle time, in milliseconds, for connections to be closed
*/
public void closeIdleConnections(long idleTime) {
// the latest time for which connections will be closed
long idleTimeout = System.currentTimeMillis() - idleTime;
if (LOG.isDebugEnabled()) {
LOG.debug("Checking for connections, idleTimeout: " + idleTimeout);
}
Iterator connectionIter = connectionToAdded.keySet().iterator();
while (connectionIter.hasNext()) {
HttpConnection conn = (HttpConnection) connectionIter.next();
Long connectionTime = (Long) connectionToAdded.get(conn);
if (connectionTime.longValue() <= idleTimeout) {
if (LOG.isDebugEnabled()) {
LOG.debug("Closing connection, connection time: " + connectionTime);
}
connectionIter.remove();
conn.close();
}
}
}
public void testDeleteClosedConnections() {
MultiThreadedHttpConnectionManager manager = new MultiThreadedHttpConnectionManager();
HttpConnection conn = manager.getConnection(client.getHostConfiguration());
assertEquals("connectionsInPool", manager.getConnectionsInPool(), 1);
assertEquals(
"connectionsInPool(host)", manager.getConnectionsInPool(client.getHostConfiguration()), 1);
conn.close();
conn.releaseConnection();
assertEquals("connectionsInPool", manager.getConnectionsInPool(), 1);
assertEquals(
"connectionsInPool(host)", manager.getConnectionsInPool(client.getHostConfiguration()), 1);
manager.deleteClosedConnections();
assertEquals("connectionsInPool", manager.getConnectionsInPool(), 0);
assertEquals(
"connectionsInPool(host)", manager.getConnectionsInPool(client.getHostConfiguration()), 0);
}
public HttpConnection getConnection(HostConfiguration hostConfiguration) {
// make sure the host and proxy are correct for this connection
// close it and set the values if they are not
if (!hostConfiguration.hostEquals(connection) || !hostConfiguration.proxyEquals(connection)) {
if (connection.isOpen()) {
connection.close();
}
connection.setHost(hostConfiguration.getHost());
connection.setPort(hostConfiguration.getPort());
connection.setProtocol(hostConfiguration.getProtocol());
connection.setLocalAddress(hostConfiguration.getLocalAddress());
connection.setProxyHost(hostConfiguration.getProxyHost());
connection.setProxyPort(hostConfiguration.getProxyPort());
} else {
finishLastResponse(connection);
}
connectionReleased = false;
return connection;
}
/** @param connection */
public void setConnection(HttpConnection connection) {
this.connection = connection;
connection.setHttpConnectionManager(this);
connection.getParams().setDefaults(this.params);
}
