public void sendRequest(MetaInfo meta) {
System.out.println(Thread.currentThread().getId() + " start sendRequest");
URI uri = null;
try {
System.out.println(meta.getParams());
uri = new URI(meta.getUrl());
} catch (URISyntaxException e) {
e.printStackTrace(); // To change body of catch statement use File | Settings | File
// Templates.
}
String host = uri.getHost();
int port = 80;
HttpRequest request =
new DefaultHttpRequest(
HttpVersion.HTTP_1_1, HttpMethod.valueOf(meta.getMethod()), uri.toASCIIString());
meta.buildHttpRequestHeader(request);
ChannelFuture future = bootstrap.connect(new InetSocketAddress(host, port));
Channel channel = future.getChannel();
channel.getPipeline().addLast("handler", new DownloaderHandler());
GlobalVar.metaInfoVar.set(channel, meta);
future.addListener(new ConnectOk(request));
channel.getCloseFuture().awaitUninterruptibly().addListener(new ConnectClose());
System.out.println(Thread.currentThread().getId() + " end sendRequest");
}
public File get() throws IOException {
ClientBootstrap bootstrap =
new ClientBootstrap(
new NioClientSocketChannelFactory(
Executors.newCachedThreadPool(), Executors.newCachedThreadPool()));
bootstrap.setOption("connectTimeoutMillis", 5000L); // set 5 sec
bootstrap.setOption("receiveBufferSize", 1048576); // set 1M
ChannelPipelineFactory factory = new HttpClientPipelineFactory(file);
bootstrap.setPipelineFactory(factory);
ChannelFuture future = bootstrap.connect(new InetSocketAddress(host, port));
// Wait until the connection attempt succeeds or fails.
Channel channel = future.awaitUninterruptibly().getChannel();
if (!future.isSuccess()) {
bootstrap.releaseExternalResources();
throw new IOException(future.getCause());
}
String query = uri.getPath() + (uri.getQuery() != null ? "?" + uri.getQuery() : "");
// Prepare the HTTP request.
HttpRequest request = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, query);
request.setHeader(HttpHeaders.Names.HOST, host);
LOG.info("Fetch: " + request.getUri());
request.setHeader(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.CLOSE);
request.setHeader(HttpHeaders.Names.ACCEPT_ENCODING, HttpHeaders.Values.GZIP);
// Send the HTTP request.
channel.write(request);
// Wait for the server to close the connection.
channel.getCloseFuture().awaitUninterruptibly();
// Shut down executor threads to exit.
bootstrap.releaseExternalResources();
return file;
}
