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Diffstat (limited to 'net/base/address_list.h')
| -rw-r--r-- | net/base/address_list.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/net/base/address_list.h b/net/base/address_list.h new file mode 100644 index 0000000..d91137f --- /dev/null +++ b/net/base/address_list.h @@ -0,0 +1,61 @@ +// 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_ADDRESS_LIST_H_ +#define NET_BASE_ADDRESS_LIST_H_ + +#include "base/ref_counted.h" + +struct addrinfo; + +namespace net { + +// An AddressList object contains a linked list of addrinfo structures. This +// class is designed to be copied around by value. +class AddressList { + public: + // Adopt the given addrinfo list in place of the existing one if any. This + // hands over responsibility for freeing the addrinfo list to the AddressList + // object. + void Adopt(struct addrinfo* head); + + // Get access to the head of the addrinfo list. + const struct addrinfo* head() const { return data_->head; } + + private: + struct Data : public base::RefCountedThreadSafe<Data> { + ~Data(); + struct addrinfo* head; + }; + scoped_refptr<Data> data_; +}; + +} // namespace net + +#endif // NET_BASE_ADDRESS_LIST_H_ |