tdlight-team/tdlight
tdlight-team/tdlight
1
1
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Improve MemoryLog.

Browse Source 
GitOrigin-RevId: 8ba9661f6b673ca0082f7bd4d75b2046faed93fe
This commit is contained in:
levlam 2020-08-04 01:19:45 +03:00
parent 4cbc6035e7
commit 37e87bddf5
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
tdutils/td/utils/MemoryLog.h
View File

@ -19,6 +19,7 @@ namespace td {
template <int buffer_size = 32 * (1 << 10)> template <int buffer_size = 32 * (1 << 10)>
class MemoryLog : public LogInterface { class MemoryLog : public LogInterface {
static constexpr size_t MAX_OUTPUT_SIZE = buffer_size / 16 < (8 << 10) ? buffer_size / 16 : (8 << 10); static constexpr size_t MAX_OUTPUT_SIZE = buffer_size / 16 < (8 << 10) ? buffer_size / 16 : (8 << 10);
static_assert((buffer_size & 15) == 0 && buffer_size >= (8 << 10), "Invalid buffer size");
public: public:
MemoryLog() { MemoryLog() {
@ -43,13 +44,13 @@ class MemoryLog : public LogInterface {
uint32 end_pos = start_pos + total_size; uint32 end_pos = start_pos + total_size;
if (likely(end_pos <= buffer_size)) { if (likely(end_pos <= buffer_size)) {
std::memcpy(&buffer_[start_pos + MAGIC_SIZE], slice.data(), slice_size); std::memcpy(&buffer_[start_pos + MAGIC_SIZE], slice.data(), slice_size);
std::memcpy(&buffer_[start_pos + MAGIC_SIZE + slice_size], " ", pad_size); std::memcpy(&buffer_[start_pos + MAGIC_SIZE + slice_size], " ", pad_size);
} else { } else {
size_t first = buffer_size - start_pos - MAGIC_SIZE; size_t first = buffer_size - start_pos - MAGIC_SIZE;
size_t second = slice_size - first; size_t second = slice_size - first;
std::memcpy(&buffer_[start_pos + MAGIC_SIZE], slice.data(), first); std::memcpy(&buffer_[start_pos + MAGIC_SIZE], slice.data(), first);
std::memcpy(&buffer_[0], slice.data() + first, second); std::memcpy(&buffer_[0], slice.data() + first, second);
std::memcpy(&buffer_[second], " ", pad_size); std::memcpy(&buffer_[second], " ", pad_size);
} }
CHECK((start_pos & 15) == 0); CHECK((start_pos & 15) == 0);