lib/cpp-httplib
1
0
Fork 0
mirror of synced 2025-04-20 11:47:43 +03:00
Code

Performance imporovement for Keep-Alive

Browse Source
This commit is contained in:
yhirose 2024-09-05 23:58:34 -04:00
parent dfa641ca41
commit cb74e4191b
1 changed files with 22 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
httplib.h
View File

@ -3191,18 +3191,36 @@ private:
#endif #endif
inline bool keep_alive(socket_t sock, time_t keep_alive_timeout_sec) { inline bool keep_alive(socket_t sock, time_t keep_alive_timeout_sec) {
using namespace std::chrono; const auto timeout = keep_alive_timeout_sec * 1000;
auto timeout = keep_alive_timeout_sec * 1000;
auto start = steady_clock::now(); #ifdef CPPHTTPLIB_USE_STEADY_TIMER_FOR_KEEP_ALIVE
const auto start = std::chrono::steady_clock::now();
#else
time_t elapse = 0;
#endif
while (true) { while (true) {
auto val = select_read(sock, 0, 10000); auto val = select_read(sock, 0, 10000);
#ifndef CPPHTTPLIB_USE_STEADY_TIMER_FOR_KEEP_ALIVE
elapse += 12; // heuristic...
#endif
if (val < 0) { if (val < 0) {
return false; return false;
} else if (val == 0) { } else if (val == 0) {
auto current = steady_clock::now(); #ifdef CPPHTTPLIB_USE_STEADY_TIMER_FOR_KEEP_ALIVE
auto current = std::chrono::steady_clock::now();
auto duration = duration_cast<milliseconds>(current - start); auto duration = duration_cast<milliseconds>(current - start);
if (duration.count() > timeout) { return false; } if (duration.count() > timeout) { return false; }
#else
if (elapse > timeout) { return false; }
#endif
std::this_thread::sleep_for(std::chrono::milliseconds{10}); std::this_thread::sleep_for(std::chrono::milliseconds{10});
#ifndef CPPHTTPLIB_USE_STEADY_TIMER_FOR_KEEP_ALIVE
elapse += 12; // heuristic...
#endif
} else { } else {
return true; return true;
} }