mirror of
https://github.com/TorqueGameEngines/Torque3D.git
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64 lines
2.7 KiB
C++
64 lines
2.7 KiB
C++
//-----------------------------------------------------------------------------
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// Copyright (c) 2012 GarageGames, LLC
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//-----------------------------------------------------------------------------
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#ifndef PLATFORM_NET_ASYNC_H
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#define PLATFORM_NET_ASYNC_H
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#include "platform/platform.h"
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#include "platform/platformNet.h"
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#include "core/util/tVector.h"
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// class for doing asynchronous network operations on unix (linux and
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// hopefully osx) platforms. right now it only implements dns lookups
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class NetAsync
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{
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private:
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struct NameLookupRequest;
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struct NameLookupWorkItem;
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typedef Vector< NameLookupRequest > RequestVector;
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typedef RequestVector::iterator RequestIterator;
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RequestVector mLookupRequests;
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public:
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NetAsync();
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// queue a DNS lookup. only one dns lookup can be queued per socket at
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// a time. subsequent queue request for the socket are ignored. use
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// checkLookup() to check the status of a request.
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void queueLookup(const char* remoteAddr, NetSocket socket);
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// check on the status of a dns lookup for a socket. if the lookup is
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// not yet complete, the function will return false. if it is
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// complete, the function will return true, and out_h_addr and
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// out_h_length will be set appropriately. if out_h_length is -1, then
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// name could not be resolved. otherwise, it provides the number of
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// address bytes copied into out_h_addr.
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bool checkLookup(NetSocket socket, char* out_h_addr, int* out_h_length, int out_h_addr_size);
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};
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// the global net async object
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extern NetAsync gNetAsync;
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#endif
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