1 /* 2 * Copyright 2011 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 #include "SkNetPipeController.h" 8 9 SkNetPipeController::SkNetPipeController(SkCanvas* target) : fReader(target) { 10 fBlock = NULL; 11 fBlockSize = fBytesWritten = 0; 12 fPlayback = true; 13 fStatus = SkGPipeReader::kDone_Status; 14 fTotalWritten = 0; 15 fAtomsWritten = 0; 16 } 17 SkNetPipeController::~SkNetPipeController() { 18 sk_free(fBlock); 19 } 20 21 int SkNetPipeController::writeToSocket(SkSocket* sockfd, SkSocket::DataType type) { 22 if (NULL != sockfd && fTotalWritten > 4) 23 return sockfd->writePacket(fBlock, fBytesWritten, type); 24 else 25 return -1; 26 } 27 28 void* SkNetPipeController::requestBlock(size_t minRequest, size_t* actual) { 29 sk_free(fBlock); 30 31 fBlockSize = minRequest * 4; 32 fBlock = sk_malloc_throw(fBlockSize); 33 fBytesWritten = 0; 34 *actual = fBlockSize; 35 return fBlock; 36 } 37 38 void SkNetPipeController::notifyWritten(size_t bytes) { 39 SkASSERT(fBytesWritten + bytes <= fBlockSize); 40 41 if (fPlayback) { 42 fStatus = fReader.playback((const char*)fBlock + fBytesWritten, bytes); 43 } 44 45 SkASSERT(SkGPipeReader::kError_Status != fStatus); 46 fBytesWritten += bytes; 47 fTotalWritten += bytes; 48 49 fAtomsWritten += 1; 50 } 51
