84 lines
1.9 KiB
C++
84 lines
1.9 KiB
C++
/*
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* This is the source code of tgnet library v. 1.0
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* It is licensed under GNU GPL v. 2 or later.
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* You should have received a copy of the license in this archive (see LICENSE).
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*
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* Copyright Nikolai Kudashov, 2015.
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*/
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#include "ByteStream.h"
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#include "NativeByteBuffer.h"
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ByteStream::ByteStream() {
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}
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ByteStream::~ByteStream() {
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}
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void ByteStream::append(NativeByteBuffer *buffer) {
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if (buffer == nullptr) {
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return;
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}
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buffersQueue.push_back(buffer);
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}
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bool ByteStream::hasData() {
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size_t size = buffersQueue.size();
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for (uint32_t a = 0; a < size; a++) {
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if (buffersQueue[a]->hasRemaining()) {
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return true;
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}
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}
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return false;
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}
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void ByteStream::get(NativeByteBuffer *dst) {
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if (dst == nullptr) {
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return;
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}
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size_t size = buffersQueue.size();
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NativeByteBuffer *buffer;
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for (uint32_t a = 0; a < size; a++) {
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buffer = buffersQueue[a];
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if (buffer->remaining() > dst->remaining()) {
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dst->writeBytes(buffer->bytes(), buffer->position(), dst->remaining());
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break;
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}
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dst->writeBytes(buffer->bytes(), buffer->position(), buffer->remaining());
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if (!dst->hasRemaining()) {
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break;
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}
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}
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}
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void ByteStream::discard(uint32_t count) {
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uint32_t remaining;
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NativeByteBuffer *buffer;
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while (count > 0) {
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buffer = buffersQueue[0];
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remaining = buffer->remaining();
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if (count < remaining) {
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buffer->position(buffer->position() + count);
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break;
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}
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buffer->reuse();
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buffersQueue.erase(buffersQueue.begin());
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count -= remaining;
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}
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}
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void ByteStream::clean() {
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if (buffersQueue.empty()) {
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return;
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}
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size_t size = buffersQueue.size();
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for (uint32_t a = 0; a < size; a++) {
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NativeByteBuffer *buffer = buffersQueue[a];
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buffer->reuse();
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}
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buffersQueue.clear();
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}
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