base::Bind: Convert HostResolver::Resolve.

net/http/http_network_transaction_unittest.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/http/http_network_transaction.h"
 
 #include <math.h>  // ceil
 #include <stdarg.h>
 #include <string>
 #include <vector>
@@ skipping 5874 matching lines @@
   SessionDependencies session_deps;
 
   // Select a host resolver that does caching.
   session_deps.host_resolver.reset(new MockCachingHostResolver);
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(
       CreateSession(&session_deps)));
 
   // Warm up the host cache so it has an entry for "www.google.com".
   AddressList addrlist;
-  TestOldCompletionCallback callback;
+  TestCompletionCallback callback;
+  TestOldCompletionCallback old_callback;
   int rv = session_deps.host_resolver->Resolve(
       HostResolver::RequestInfo(HostPortPair("www.google.com", 80)), &addrlist,
-      &callback, NULL, BoundNetLog());
+      callback.callback(), NULL, BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   // Verify that it was added to host cache, by doing a subsequent async lookup
   // and confirming it completes synchronously.
   rv = session_deps.host_resolver->Resolve(
       HostResolver::RequestInfo(HostPortPair("www.google.com", 80)), &addrlist,
-      &callback, NULL, BoundNetLog());
+      callback.callback(), NULL, BoundNetLog());
   ASSERT_EQ(OK, rv);
 
   // Inject a failure the next time that "www.google.com" is resolved. This way
   // we can tell if the next lookup hit the cache, or the "network".
   // (cache --> success, "network" --> failure).
   session_deps.host_resolver->rules()->AddSimulatedFailure("www.google.com");
 
   // Connect up a mock socket which will fail with ERR_UNEXPECTED during the
   // first read -- this won't be reached as the host resolution will fail first.
   MockRead data_reads[] = { MockRead(false, ERR_UNEXPECTED) };
   StaticSocketDataProvider data(data_reads, arraysize(data_reads), NULL, 0);
   session_deps.socket_factory.AddSocketDataProvider(&data);
 
   // Run the request.
-  rv = trans->Start(&request, &callback, BoundNetLog());
+  rv = trans->Start(&request, &old_callback, BoundNetLog());
   ASSERT_EQ(ERR_IO_PENDING, rv);
-  rv = callback.WaitForResult();
+  rv = old_callback.WaitForResult();
 
   // If we bypassed the cache, we would have gotten a failure while resolving
   // "www.google.com".
   EXPECT_EQ(ERR_NAME_NOT_RESOLVED, rv);
 }
 
 // There are multiple load flags that should trigger the host cache bypass.
 // Test each in isolation:
 TEST_F(HttpNetworkTransactionTest, BypassHostCacheOnRefresh1) {
   BypassHostCacheOnRefreshHelper(LOAD_BYPASS_CACHE);
@@ skipping 3038 matching lines @@
   host_resolver->rules()->AddIPLiteralRule(host, iplist, "");
 
   // Setup a HostPortProxyPair.
   HostPortPair host_port_pair(host, port);
   HostPortProxyPair pair = HostPortProxyPair(host_port_pair,
                                              ProxyServer::Direct());
 
   // Resolve the host and port.
   AddressList addresses;
   HostResolver::RequestInfo info(host_port_pair);
-  TestOldCompletionCallback callback;
-  int rv = host_resolver->Resolve(info, &addresses, &callback, NULL,
+  TestCompletionCallback callback;
+  int rv = host_resolver->Resolve(info, &addresses, callback.callback(), NULL,
                                   BoundNetLog());
   if (rv == ERR_IO_PENDING)
     rv = callback.WaitForResult();
   DCHECK_EQ(OK, rv);
 
   // Add the first address as an alias. It would have been better to call
   // MockClientSocket::GetPeerAddress but that returns 192.0.2.33 whereas
   // MockHostResolver returns 127.0.0.1 (MockHostResolverBase::Reset). So we use
   // the first address (127.0.0.1) returned by MockHostResolver as an alias for
   // the |pair|.
@@ skipping 47 matching lines @@
     CreateMockRead(*host2_resp_body, 6),
     MockRead(true, 0, 7),
   };
 
   scoped_refptr<OrderedSocketData> spdy_data(
       new OrderedSocketData(
           spdy_reads, arraysize(spdy_reads),
           spdy_writes, arraysize(spdy_writes)));
   session_deps.socket_factory.AddSocketDataProvider(spdy_data);
 
-  TestOldCompletionCallback callback;
+  TestCompletionCallback callback;
+  TestOldCompletionCallback old_callback;
   HttpRequestInfo request1;
   request1.method = "GET";
   request1.url = GURL("https://www.google.com/");
   request1.load_flags = 0;
   HttpNetworkTransaction trans1(session);
 
-  int rv = trans1.Start(&request1, &callback, BoundNetLog());
+  int rv = trans1.Start(&request1, &old_callback, BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
-  EXPECT_EQ(OK, callback.WaitForResult());
+  EXPECT_EQ(OK, old_callback.WaitForResult());
 
   const HttpResponseInfo* response = trans1.GetResponseInfo();
   ASSERT_TRUE(response != NULL);
   ASSERT_TRUE(response->headers != NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
 
   std::string response_data;
   ASSERT_EQ(OK, ReadTransaction(&trans1, &response_data));
   EXPECT_EQ("hello!", response_data);
 
   // Preload www.gmail.com into HostCache.
   HostPortPair host_port("www.gmail.com", 443);
   HostResolver::RequestInfo resolve_info(host_port);
   AddressList ignored;
-  rv = host_resolver.Resolve(resolve_info, &ignored, &callback, NULL,
+  rv = host_resolver.Resolve(resolve_info, &ignored, callback.callback(), NULL,
                              BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   // MockHostResolver returns 127.0.0.1, port 443 for https://www.google.com/
   // and https://www.gmail.com/. Add 127.0.0.1 as alias for host_port_pair:
   // (www.google.com, 443).
   IPPoolingAddAlias(&host_resolver, &pool_peer, "www.google.com", 443,
                     "127.0.0.1");
 
   HttpRequestInfo request2;
   request2.method = "GET";
   request2.url = GURL("https://www.gmail.com/");
   request2.load_flags = 0;
   HttpNetworkTransaction trans2(session);
 
-  rv = trans2.Start(&request2, &callback, BoundNetLog());
+  rv = trans2.Start(&request2, &old_callback, BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
-  EXPECT_EQ(OK, callback.WaitForResult());
+  EXPECT_EQ(OK, old_callback.WaitForResult());
 
   response = trans2.GetResponseInfo();
   ASSERT_TRUE(response != NULL);
   ASSERT_TRUE(response->headers != NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
   EXPECT_TRUE(response->was_fetched_via_spdy);
   EXPECT_TRUE(response->was_npn_negotiated);
   ASSERT_EQ(OK, ReadTransaction(&trans2, &response_data));
   EXPECT_EQ("hello!", response_data);
 
   HttpStreamFactory::set_next_protos(std::vector<std::string>());
   HttpStreamFactory::set_use_alternate_protocols(false);
 }
 
 class OneTimeCachingHostResolver : public net::HostResolver {
  public:
   explicit OneTimeCachingHostResolver(const HostPortPair& host_port)
       : host_port_(host_port) {}
   virtual ~OneTimeCachingHostResolver() {}
 
   RuleBasedHostResolverProc* rules() { return host_resolver_.rules(); }
 
   // HostResolver methods:
   virtual int Resolve(const RequestInfo& info,
                       AddressList* addresses,
-                      OldCompletionCallback* callback,
+                      const CompletionCallback& callback,
                       RequestHandle* out_req,
                       const BoundNetLog& net_log) OVERRIDE {
     return host_resolver_.Resolve(
         info, addresses, callback, out_req, net_log);
   }
 
   virtual int ResolveFromCache(const RequestInfo& info,
                                AddressList* addresses,
                                const BoundNetLog& net_log) OVERRIDE {
     int rv = host_resolver_.ResolveFromCache(info, addresses, net_log);
@@ skipping 70 matching lines @@
     CreateMockRead(*host2_resp_body, 6),
     MockRead(true, 0, 7),
   };
 
   scoped_refptr<OrderedSocketData> spdy_data(
       new OrderedSocketData(
           spdy_reads, arraysize(spdy_reads),
           spdy_writes, arraysize(spdy_writes)));
   session_deps.socket_factory.AddSocketDataProvider(spdy_data);
 
-  TestOldCompletionCallback callback;
+  TestCompletionCallback callback;
   HttpRequestInfo request1;
   request1.method = "GET";
   request1.url = GURL("https://www.google.com/");
   request1.load_flags = 0;
   HttpNetworkTransaction trans1(session);
 
-  int rv = trans1.Start(&request1, &callback, BoundNetLog());
+  TestOldCompletionCallback old_callback;
+  int rv = trans1.Start(&request1, &old_callback, BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
-  EXPECT_EQ(OK, callback.WaitForResult());
+  EXPECT_EQ(OK, old_callback.WaitForResult());
 
   const HttpResponseInfo* response = trans1.GetResponseInfo();
   ASSERT_TRUE(response != NULL);
   ASSERT_TRUE(response->headers != NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
 
   std::string response_data;
   ASSERT_EQ(OK, ReadTransaction(&trans1, &response_data));
   EXPECT_EQ("hello!", response_data);
 
   // Preload cache entries into HostCache.
   HostResolver::RequestInfo resolve_info(HostPortPair("www.gmail.com", 443));
   AddressList ignored;
-  rv = host_resolver.Resolve(resolve_info, &ignored, &callback, NULL,
+  rv = host_resolver.Resolve(resolve_info, &ignored, callback.callback(), NULL,
                              BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   HttpRequestInfo request2;
   request2.method = "GET";
   request2.url = GURL("https://www.gmail.com/");
   request2.load_flags = 0;
   HttpNetworkTransaction trans2(session);
 
   // MockHostResolver returns 127.0.0.1, port 443 for https://www.google.com/
   // and https://www.gmail.com/. Add 127.0.0.1 as alias for host_port_pair:
   // (www.google.com, 443).
   IPPoolingAddAlias(host_resolver.GetMockHostResolver(), &pool_peer,
                     "www.google.com", 443, "127.0.0.1");
 
-  rv = trans2.Start(&request2, &callback, BoundNetLog());
+  rv = trans2.Start(&request2, &old_callback, BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
-  EXPECT_EQ(OK, callback.WaitForResult());
+  EXPECT_EQ(OK, old_callback.WaitForResult());
 
   response = trans2.GetResponseInfo();
   ASSERT_TRUE(response != NULL);
   ASSERT_TRUE(response->headers != NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
   EXPECT_TRUE(response->was_fetched_via_spdy);
   EXPECT_TRUE(response->was_npn_negotiated);
   ASSERT_EQ(OK, ReadTransaction(&trans2, &response_data));
   EXPECT_EQ("hello!", response_data);
 
@@ skipping 42 matching lines @@
   StaticSocketDataProvider* data[] = { &data1, &data2 };
 
   SimpleGetHelperResult out = SimpleGetHelperForData(data, arraysize(data));
 
   EXPECT_EQ(OK, out.rv);
   EXPECT_EQ("HTTP/1.0 200 OK", out.status_line);
   EXPECT_EQ("hello world", out.response_data);
 }
 
 }  // namespace net