Add net to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@14 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 72 insertions, 0 deletions

diff --git a/net/base/host_resolver.h b/net/base/host_resolver.h
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+++ b/net/base/host_resolver.h
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+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef NET_BASE_HOST_RESOLVER_H__
+#define NET_BASE_HOST_RESOLVER_H__
+
+#include "base/basictypes.h"
+#include "base/ref_counted.h"
+#include "net/base/completion_callback.h"
+
+namespace net {
+
+class AddressList;
+
+// This class represents the task of resolving a single hostname.  To resolve
+// multiple hostnames, a new resolver will need to be created for each.
+class HostResolver {
+ public:
+  HostResolver();
+
+  // If a completion callback is pending when the resolver is destroyed, the
+  // host resolution is cancelled, and the completion callback will not be
+  // called.
+  ~HostResolver();
+
+  // Resolves the given hostname, filling out the |addresses| object upon
+  // success.  The |port| parameter is optional (will be set as the sin_port
+  // field of the sockaddr_in{6} struct).  Returns OK if successful or an error
+  // code upon failure.
+  //
+  // When callback is non-null, ERR_IO_PENDING is returned if the operation
+  // could not be completed synchronously, in which case the result code will
+  // be passed to the callback when available.
+  //
+  int Resolve(const std::string& hostname, int port,
+              AddressList* addresses, CompletionCallback* callback);
+
+ private:
+  DISALLOW_EVIL_CONSTRUCTORS(HostResolver);
+  struct Request;
+  scoped_refptr<Request> request_;
+};
+
+}  // namespace net
+
+#endif  // NET_BASE_HOST_RESOLVER_H__