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/******************************************************************************
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* The MIT License (MIT)
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*
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* Copyright (c) 2015-2017 Baldur Karlsson
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* Copyright (c) 2014 Crytek
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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 deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* 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 FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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******************************************************************************/
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#pragma once
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inline uint32_t RecvPacket(Network::Socket *sock)
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{
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if(sock == NULL)
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return ~0U;
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uint32_t t = 0;
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if(!sock->RecvDataBlocking(&t, sizeof(t)))
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return ~0U;
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return t;
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}
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template <typename PacketTypeEnum>
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bool RecvPacket(Network::Socket *sock, PacketTypeEnum &type, vector<byte> &payload)
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{
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if(sock == NULL)
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return false;
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uint32_t t = 0;
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if(!sock->RecvDataBlocking(&t, sizeof(t)))
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return false;
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uint32_t payloadLength = 0;
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if(!sock->RecvDataBlocking(&payloadLength, sizeof(payloadLength)))
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return false;
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if(payloadLength > 0)
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{
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payload.resize(payloadLength);
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if(!sock->RecvDataBlocking(&payload[0], payloadLength))
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return false;
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}
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type = (PacketTypeEnum)t;
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return true;
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}
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template <typename PacketTypeEnum>
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bool RecvPacket(Network::Socket *sock, PacketTypeEnum &type, Serialiser **ser)
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{
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if(sock == NULL)
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return false;
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vector<byte> payload;
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bool ret = RecvPacket(sock, type, payload);
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if(!ret)
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{
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*ser = NULL;
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return false;
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}
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*ser = new Serialiser(payload.size(), &payload[0], false);
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return true;
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}
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template <typename PacketTypeEnum>
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bool SendPacket(Network::Socket *sock, PacketTypeEnum type)
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{
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if(sock == NULL)
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return false;
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uint32_t t = (uint32_t)type;
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if(!sock->SendDataBlocking(&t, sizeof(t)))
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return false;
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return true;
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}
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template <typename PacketTypeEnum>
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bool SendPacket(Network::Socket *sock, PacketTypeEnum type, const Serialiser &ser)
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{
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if(sock == NULL)
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return false;
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uint32_t t = (uint32_t)type;
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if(!sock->SendDataBlocking(&t, sizeof(t)))
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return false;
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uint32_t payloadLength = ser.GetOffset() & 0xffffffff;
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if(!sock->SendDataBlocking(&payloadLength, sizeof(payloadLength)))
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return false;
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if(!sock->SendDataBlocking(ser.GetRawPtr(0), payloadLength))
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return false;
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return true;
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}
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template <typename PacketTypeEnum>
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bool RecvChunkedFile(Network::Socket *sock, PacketTypeEnum packetType, const char *logfile,
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Serialiser *&ser, float *progress)
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{
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if(sock == NULL)
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return false;
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vector<byte> payload;
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PacketTypeEnum type;
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if(!RecvPacket(sock, type, payload))
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return false;
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if(type != packetType)
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return false;
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ser = new Serialiser(payload.size(), &payload[0], false);
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uint64_t fileLength;
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uint32_t bufLength;
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uint32_t numBuffers;
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uint64_t sz = ser->GetSize();
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ser->SetOffset(sz - sizeof(uint64_t) - sizeof(uint32_t) * 2);
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ser->Serialise("", fileLength);
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ser->Serialise("", bufLength);
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ser->Serialise("", numBuffers);
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ser->SetOffset(0);
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FILE *f = FileIO::fopen(logfile, "wb");
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if(f == NULL)
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{
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return false;
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}
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if(progress)
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*progress = 0.0001f;
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for(uint32_t i = 0; i < numBuffers; i++)
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{
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if(!RecvPacket(sock, type, payload))
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{
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FileIO::fclose(f);
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return false;
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}
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if(type != packetType)
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{
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FileIO::fclose(f);
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return false;
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}
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FileIO::fwrite(&payload[0], 1, payload.size(), f);
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if(progress)
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*progress = float(i + 1) / float(numBuffers);
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}
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FileIO::fclose(f);
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return true;
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}
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template <typename PacketTypeEnum>
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bool SendChunkedFile(Network::Socket *sock, PacketTypeEnum type, const char *logfile,
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Serialiser &ser, float *progress)
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{
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if(sock == NULL)
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return false;
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FILE *f = FileIO::fopen(logfile, "rb");
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if(f == NULL)
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{
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return false;
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}
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FileIO::fseek64(f, 0, SEEK_END);
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uint64_t fileLen = FileIO::ftell64(f);
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FileIO::fseek64(f, 0, SEEK_SET);
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uint32_t bufLen = (uint32_t)RDCMIN((uint64_t)4 * 1024 * 1024, fileLen);
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uint64_t n = fileLen / (uint64_t)bufLen;
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uint32_t numBufs = (uint32_t)n;
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if(fileLen % (uint64_t)bufLen > 0)
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numBufs++; // last remaining buffer
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ser.Serialise("", fileLen);
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ser.Serialise("", bufLen);
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ser.Serialise("", numBufs);
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if(!SendPacket(sock, type, ser))
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{
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FileIO::fclose(f);
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return false;
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}
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byte *buf = new byte[bufLen];
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uint32_t t = (uint32_t)type;
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if(progress)
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*progress = 0.0001f;
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for(uint32_t i = 0; i < numBufs; i++)
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{
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uint32_t payloadLength = RDCMIN(bufLen, (uint32_t)(fileLen & 0xffffffff));
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FileIO::fread(buf, 1, payloadLength, f);
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if(!sock->SendDataBlocking(&t, sizeof(t)) ||
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!sock->SendDataBlocking(&payloadLength, sizeof(payloadLength)) ||
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!sock->SendDataBlocking(buf, payloadLength))
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{
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break;
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}
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fileLen -= payloadLength;
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if(progress)
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*progress = float(i + 1) / float(numBufs);
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}
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delete[] buf;
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FileIO::fclose(f);
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if(fileLen != 0)
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{
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return false;
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}
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return true;
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}
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