mirror of
https://gitee.com/ldcsaa/HP-Socket.git
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53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
/*
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* Copyright: JessMA Open Source (ldcsaa@gmail.com)
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*
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* Author : Bruce Liang
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* Website : https://github.com/ldcsaa
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* Project : https://github.com/ldcsaa/HP-Socket
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* Blog : http://www.cnblogs.com/ldcsaa
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* Wiki : http://www.oschina.net/p/hp-socket
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* QQ Group : 44636872, 75375912
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "stdafx.h"
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#include "MiscHelper.h"
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BOOL AddPackHeader(const WSABUF * pBuffers, int iCount, unique_ptr<WSABUF[]>& buffers, DWORD dwMaxPackSize, USHORT usPackHeaderFlag, DWORD& dwHeader)
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{
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ASSERT(pBuffers && iCount > 0);
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DWORD iLength = 0;
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for(int i = 0; i < iCount; i++)
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{
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const WSABUF& buf = pBuffers[i];
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buffers[i + 1] = buf;
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iLength += buf.len;
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}
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if(iLength == 0 || iLength > dwMaxPackSize)
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{
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::SetLastError(ERROR_BAD_LENGTH);
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return FALSE;
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}
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dwHeader = ::HToLE32((usPackHeaderFlag << TCP_PACK_LENGTH_BITS) | iLength);
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buffers[0].len = sizeof(dwHeader);
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buffers[0].buf = (char*)&dwHeader;
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return TRUE;
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}
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