embedded_test_server.h revision 90dce4d38c5ff5333bea97d859d4e484e27edf0c
1// Copyright (c) 2012 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef NET_TEST_EMBEDDED_TEST_SERVER_EMBEDDED_TEST_SERVER_H_ 6#define NET_TEST_EMBEDDED_TEST_SERVER_EMBEDDED_TEST_SERVER_H_ 7 8#include <map> 9#include <string> 10#include <vector> 11 12#include "base/basictypes.h" 13#include "base/compiler_specific.h" 14#include "base/memory/ref_counted.h" 15#include "base/memory/weak_ptr.h" 16#include "base/threading/thread_checker.h" 17#include "googleurl/src/gurl.h" 18#include "net/socket/tcp_listen_socket.h" 19 20namespace base { 21class FilePath; 22} 23 24namespace net { 25namespace test_server { 26 27class HttpConnection; 28class HttpResponse; 29struct HttpRequest; 30 31// This class is required to be able to have composition instead of inheritance, 32class HttpListenSocket : public TCPListenSocket { 33 public: 34 HttpListenSocket(const SocketDescriptor socket_descriptor, 35 StreamListenSocket::Delegate* delegate); 36 virtual void Listen(); 37 38 private: 39 virtual ~HttpListenSocket(); 40 41 base::ThreadChecker thread_checker_; 42}; 43 44// Class providing an HTTP server for testing purpose. This is a basic server 45// providing only an essential subset of HTTP/1.1 protocol. Especially, 46// it assumes that the request syntax is correct. It *does not* support 47// a Chunked Transfer Encoding. 48// 49// The common use case is below: 50// 51// base::Thread io_thread_; 52// scoped_ptr<EmbeddedTestServer> test_server_; 53// 54// void SetUp() { 55// base::Thread::Options thread_options; 56// thread_options.message_loop_type = MessageLoop::TYPE_IO; 57// ASSERT_TRUE(io_thread_.StartWithOptions(thread_options)); 58// 59// test_server_.reset( 60// new EmbeddedTestServer(io_thread_.message_loop_proxy())); 61// ASSERT_TRUE(test_server_.InitializeAndWaitUntilReady()); 62// test_server_->RegisterRequestHandler( 63// base::Bind(&FooTest::HandleRequest, base::Unretained(this))); 64// } 65// 66// scoped_ptr<HttpResponse> HandleRequest(const HttpRequest& request) { 67// GURL absolute_url = test_server_->GetURL(request.relative_url); 68// if (absolute_url.path() != "/test") 69// return scoped_ptr<HttpResponse>(); 70// 71// scoped_ptr<HttpResponse> http_response(new HttpResponse()); 72// http_response->set_code(test_server::SUCCESS); 73// http_response->set_content("hello"); 74// http_response->set_content_type("text/plain"); 75// return http_response.Pass(); 76// } 77// 78class EmbeddedTestServer : public StreamListenSocket::Delegate { 79 public: 80 typedef base::Callback<scoped_ptr<HttpResponse>( 81 const HttpRequest& request)> HandleRequestCallback; 82 83 // Creates a http test server. |io_thread| is a task runner 84 // with IO message loop, used as a backend thread. 85 // InitializeAndWaitUntilReady() must be called to start the server. 86 explicit EmbeddedTestServer( 87 const scoped_refptr<base::SingleThreadTaskRunner>& io_thread); 88 virtual ~EmbeddedTestServer(); 89 90 // Initializes and waits until the server is ready to accept requests. 91 bool InitializeAndWaitUntilReady() WARN_UNUSED_RESULT; 92 93 // Shuts down the http server and waits until the shutdown is complete. 94 bool ShutdownAndWaitUntilComplete() WARN_UNUSED_RESULT; 95 96 // Checks if the server is started. 97 bool Started() const { 98 return listen_socket_.get() != NULL; 99 } 100 101 // Returns the base URL to the server, which looks like 102 // http://127.0.0.1:<port>/, where <port> is the actual port number used by 103 // the server. 104 const GURL& base_url() const { return base_url_; } 105 106 // Returns a URL to the server based on the given relative URL, which 107 // should start with '/'. For example: GetURL("/path?query=foo") => 108 // http://127.0.0.1:<port>/path?query=foo. 109 GURL GetURL(const std::string& relative_url) const; 110 111 // Returns the port number used by the server. 112 int port() const { return port_; } 113 114 // Registers request handler which serves files from |directory|. 115 // For instance, a request to "/foo.html" is served by "foo.html" under 116 // |directory|. Files under sub directories are also handled in the same way 117 // (i.e. "/foo/bar.html" is served by "foo/bar.html" under |directory|). 118 void ServeFilesFromDirectory(const base::FilePath& directory); 119 120 // The most general purpose method. Any request processing can be added using 121 // this method. Takes ownership of the object. The |callback| is called 122 // on UI thread. 123 void RegisterRequestHandler(const HandleRequestCallback& callback); 124 125 private: 126 // Initializes and starts the server. If initialization succeeds, Starts() 127 // will return true. 128 void InitializeOnIOThread(); 129 130 // Shuts down the server. 131 void ShutdownOnIOThread(); 132 133 // Handles a request when it is parsed. It passes the request to registed 134 // request handlers and sends a http response. 135 void HandleRequest(HttpConnection* connection, 136 scoped_ptr<HttpRequest> request); 137 138 // StreamListenSocket::Delegate overrides: 139 virtual void DidAccept(StreamListenSocket* server, 140 StreamListenSocket* connection) OVERRIDE; 141 virtual void DidRead(StreamListenSocket* connection, 142 const char* data, 143 int length) OVERRIDE; 144 virtual void DidClose(StreamListenSocket* connection) OVERRIDE; 145 146 HttpConnection* FindConnection(StreamListenSocket* socket); 147 148 scoped_refptr<base::SingleThreadTaskRunner> io_thread_; 149 150 scoped_refptr<HttpListenSocket> listen_socket_; 151 int port_; 152 GURL base_url_; 153 154 // Owns the HttpConnection objects. 155 std::map<StreamListenSocket*, HttpConnection*> connections_; 156 157 // Vector of registered request handlers. 158 std::vector<HandleRequestCallback> request_handlers_; 159 160 // Note: This should remain the last member so it'll be destroyed and 161 // invalidate its weak pointers before any other members are destroyed. 162 base::WeakPtrFactory<EmbeddedTestServer> weak_factory_; 163 164 base::ThreadChecker thread_checker_; 165 166 DISALLOW_COPY_AND_ASSIGN(EmbeddedTestServer); 167}; 168 169} // namespace test_servers 170} // namespace net 171 172#endif // NET_TEST_EMBEDDED_TEST_SERVER_EMBEDDED_TEST_SERVER_H_ 173