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#include "util.hpp"
#include <cerrno>
#include <cstdarg>
#include <cstdio>
#include <cstdlib>
#include <ctime>
#include <unistd.h>
struct strftime_cache {
time_t time;
char buf[128];
};
static void log_(char const *log_type, FILE *stream, char const *fmt,
va_list args) {
static struct strftime_cache strft;
time_t t = time(nullptr);
if (t != strft.time) {
strft.time = t;
struct tm tm;
struct tm *tmp = localtime_r(&t, &tm);
strftime(strft.buf, sizeof(strft.buf), "%Y-%m-%dT%H:%M:%S", tmp);
}
fputs(program_invocation_short_name, stream);
fputs(" ", stream);
fputs(strft.buf, stream);
fputs(" ", stream);
fputs(log_type, stream);
fputs(" ", stream);
vfprintf(stream, fmt, args);
fputs("\n", stream);
}
void lognotice(char const *fmt, ...) {
va_list a;
va_start(a, fmt);
log_("notice", stdout, fmt, a);
va_end(a);
}
void logerror(char const *fmt, ...) {
va_list a;
va_start(a, fmt);
log_("error", stderr, fmt, a);
va_end(a);
}
void fatal(char const *fmt, ...) {
va_list a;
va_start(a, fmt);
log_("fatal", stderr, fmt, a);
va_end(a);
abort();
}
#ifdef DEBUG_OUTPUT
void logdebug(char const *fmt, ...) {
va_list a;
va_start(a, fmt);
log_("debug", stdout, fmt, a);
va_end(a);
}
#endif
void Poller::add_fd(int fd, std::function<int(int)> handler) {
pfds.emplace_back(pollfd{.fd = fd, .events = POLLIN, .revents = 0});
handlers.emplace_back(std::move(handler));
}
int Poller::check_events() {
int ret = 0;
if ((ret = poll(this->pfds.data(), this->pfds.size(), -1)) != -1 &&
errno != EINTR) {
for (unsigned i = 0; i < pfds.size(); i++) {
if ((pfds[i].revents & POLLIN) != 0) {
if (handlers[i](pfds[i].fd) == -1) {
return -1;
}
pfds[i].revents = 0;
pfds[i].events = POLLIN;
}
}
}
return ret;
}
unique_fd::~unique_fd() {
if (this->fd != -1) {
close(this->fd);
}
}
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