78 lines
2.7 KiB
D
78 lines
2.7 KiB
D
module handy_http_transport.http1.task_pool;
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import std.socket;
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import std.parallelism;
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import handy_http_transport.http1.transport;
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import handy_http_primitives;
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import slf4d;
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/**
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* An implementation of Http1Transport which uses D's standard library
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* parallelization, where each incoming client request is turned into a task
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* and submitted to the standard task pool.
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*/
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class TaskPoolHttp1Transport : Http1Transport {
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private TaskPool httpTaskPool;
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this(HttpRequestHandler requestHandler, ushort port = 8080) {
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super(requestHandler, port);
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this.httpTaskPool = new TaskPool(5);
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}
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override void runServer() {
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Socket serverSocket = new TcpSocket();
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serverSocket.setOption(SocketOptionLevel.SOCKET, SocketOption.REUSEADDR, 1);
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serverSocket.bind(parseAddress("127.0.0.1", port));
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debugF!"Bound the server socket to %s"(serverSocket.localAddress);
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serverSocket.listen(1024);
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debug_("Server is now listening.");
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while (super.isRunning) {
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try {
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trace("Waiting to accept a new socket.");
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Socket clientSocket = serverSocket.accept();
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trace("Accepted a new socket.");
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auto t = task!handleClient(clientSocket, requestHandler);
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this.httpTaskPool.put(t);
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trace("Added handleClient() task to the task pool.");
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} catch (SocketAcceptException e) {
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warn("Failed to accept socket connection.", e);
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}
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}
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serverSocket.close();
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this.httpTaskPool.stop();
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}
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override void stop() {
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super.stop();
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// Send a dummy request to cause the server's blocking accept() call to end.
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try {
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Socket dummySocket = new TcpSocket(new InternetAddress("127.0.0.1", port));
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dummySocket.shutdown(SocketShutdown.BOTH);
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dummySocket.close();
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} catch (SocketOSException e) {
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warn("Failed to send empty request to stop server.", e);
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}
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}
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}
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unittest {
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import slf4d.default_provider;
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auto logProvider = DefaultProvider.builder().withRootLoggingLevel(Levels.DEBUG).build();
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configureLoggingProvider(logProvider);
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HttpRequestHandler handler = HttpRequestHandler.of(
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(ref ServerHttpRequest request, ref ServerHttpResponse response) {
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response.status = HttpStatus.OK;
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});
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testHttp1Transport(new TaskPoolHttp1Transport(handler));
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HttpRequestHandler handler2 = HttpRequestHandler.of(
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(ref ServerHttpRequest request, ref ServerHttpResponse response) {
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response.status = HttpStatus.OK;
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response.writeBodyString("Testing");
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});
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testHttp1Transport(new TaskPoolHttp1Transport(handler2));
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}
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