1 /* 2 * Copyright (c) 2004-2007 Marcus Overhagen <marcus@overhagen.de> 3 * 4 * Permission is hereby granted, free of charge, to any person 5 * obtaining a copy of this software and associated documentation 6 * files (the "Software"), to deal in the Software without restriction, 7 * including without limitation the rights to use, copy, modify, 8 * merge, publish, distribute, sublicense, and/or sell copies of 9 * the Software, and to permit persons to whom the Software is 10 * furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be 13 * included in all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 17 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 19 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 20 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 */ 24 25 #include <stdio.h> 26 #include <fcntl.h> 27 #include <unistd.h> 28 #include <stdlib.h> 29 #include <string.h> 30 31 #include "Packet.h" 32 33 #define PACKET 34 #ifdef PACKET 35 #define TRACE printf 36 #else 37 #define TRACE(a...) 38 #endif 39 40 41 Packet::Packet(size_t init_size) 42 : fBuffer(malloc(init_size)) 43 , fBufferSize(0) 44 , fBufferSizeMax(init_size) 45 , fTimeStamp(0) 46 { 47 } 48 49 50 Packet::Packet(const Packet &clone) 51 { 52 fBufferSize = clone.Size(); 53 fBufferSizeMax = fBufferSize; 54 fBuffer = malloc(fBufferSize); 55 fTimeStamp = clone.TimeStamp(); 56 memcpy(fBuffer, clone.Data(), fBufferSize); 57 } 58 59 60 Packet::Packet(const void *data, size_t size, bigtime_t time_stamp) 61 : fBuffer(malloc(size)) 62 , fBufferSize(size) 63 , fBufferSizeMax(size) 64 , fTimeStamp(time_stamp) 65 { 66 memcpy(fBuffer, data, size); 67 } 68 69 70 Packet::~Packet() 71 { 72 free(fBuffer); 73 } 74 75 76 void 77 Packet::AddData(const void *data, size_t size) 78 { 79 if (fBufferSize + size > fBufferSizeMax) { 80 fBufferSizeMax = (fBufferSize + size + 8191) & ~8191; 81 fBuffer = realloc(fBuffer, fBufferSizeMax); 82 } 83 84 memcpy((char *)fBuffer + fBufferSize, data, size); 85 fBufferSize += size; 86 } 87