mirror of https://github.com/swaywm/sway.git
126 lines
2.7 KiB
C
126 lines
2.7 KiB
C
#include <signal.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include <unistd.h>
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#include "log.h"
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static terminate_callback_t log_terminate = exit;
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void _sway_abort(const char *format, ...) {
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va_list args;
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va_start(args, format);
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_sway_vlog(SWAY_ERROR, format, args);
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va_end(args);
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log_terminate(EXIT_FAILURE);
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}
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bool _sway_assert(bool condition, const char *format, ...) {
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if (condition) {
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return true;
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}
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va_list args;
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va_start(args, format);
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_sway_vlog(SWAY_ERROR, format, args);
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va_end(args);
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#ifndef NDEBUG
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raise(SIGABRT);
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#endif
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return false;
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}
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static bool colored = true;
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static sway_log_importance_t log_importance = SWAY_ERROR;
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static struct timespec start_time = {-1, -1};
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static const char *verbosity_colors[] = {
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[SWAY_SILENT] = "",
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[SWAY_ERROR ] = "\x1B[1;31m",
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[SWAY_INFO ] = "\x1B[1;34m",
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[SWAY_DEBUG ] = "\x1B[1;90m",
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};
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static const char *verbosity_headers[] = {
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[SWAY_SILENT] = "",
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[SWAY_ERROR] = "[ERROR]",
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[SWAY_INFO] = "[INFO]",
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[SWAY_DEBUG] = "[DEBUG]",
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};
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static void timespec_sub(struct timespec *r, const struct timespec *a,
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const struct timespec *b) {
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const long NSEC_PER_SEC = 1000000000;
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r->tv_sec = a->tv_sec - b->tv_sec;
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r->tv_nsec = a->tv_nsec - b->tv_nsec;
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if (r->tv_nsec < 0) {
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r->tv_sec--;
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r->tv_nsec += NSEC_PER_SEC;
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}
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}
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static void init_start_time(void) {
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if (start_time.tv_sec >= 0) {
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return;
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}
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clock_gettime(CLOCK_MONOTONIC, &start_time);
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}
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static void sway_log_stderr(sway_log_importance_t verbosity, const char *fmt,
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va_list args) {
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init_start_time();
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if (verbosity > log_importance) {
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return;
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}
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struct timespec ts = {0};
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clock_gettime(CLOCK_MONOTONIC, &ts);
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timespec_sub(&ts, &ts, &start_time);
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fprintf(stderr, "%02d:%02d:%02d.%03ld ", (int)(ts.tv_sec / 60 / 60),
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(int)(ts.tv_sec / 60 % 60), (int)(ts.tv_sec % 60),
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ts.tv_nsec / 1000000);
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unsigned c = (verbosity < SWAY_LOG_IMPORTANCE_LAST) ? verbosity :
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SWAY_LOG_IMPORTANCE_LAST - 1;
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if (colored && isatty(STDERR_FILENO)) {
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fprintf(stderr, "%s", verbosity_colors[c]);
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} else {
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fprintf(stderr, "%s ", verbosity_headers[c]);
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}
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vfprintf(stderr, fmt, args);
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if (colored && isatty(STDERR_FILENO)) {
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fprintf(stderr, "\x1B[0m");
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}
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fprintf(stderr, "\n");
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}
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void sway_log_init(sway_log_importance_t verbosity, terminate_callback_t callback) {
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init_start_time();
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if (verbosity < SWAY_LOG_IMPORTANCE_LAST) {
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log_importance = verbosity;
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}
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if (callback) {
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log_terminate = callback;
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}
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}
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void _sway_vlog(sway_log_importance_t verbosity, const char *fmt, va_list args) {
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sway_log_stderr(verbosity, fmt, args);
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}
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void _sway_log(sway_log_importance_t verbosity, const char *fmt, ...) {
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va_list args;
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va_start(args, fmt);
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sway_log_stderr(verbosity, fmt, args);
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va_end(args);
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}
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