mirror of
https://github.com/geode-sdk/geode.git
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110 lines
2.4 KiB
C
110 lines
2.4 KiB
C
#include "logging/logging.h"
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#include <stdio.h>
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#include <stdarg.h> // va_start
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#include <string.h>
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#include <fcntl.h>
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#if defined(_POSIX_VERSION) || defined(__APPLE__)
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#include <unistd.h>
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#include <syslog.h>
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#endif
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#if defined(_WIN32)
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#define PUBLIC
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#else
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#define PUBLIC __attribute__((visibility("default")))
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#define INTERNAL __attribute__((visibility("internal")))
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#endif
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static int _log_level = 1;
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PUBLIC void log_set_level(int level) {
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_log_level = level;
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}
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static int _syslog_enabled = 0;
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PUBLIC void log_switch_to_syslog(void) {
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_syslog_enabled = 1;
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}
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static int _file_log_enabled = 0;
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static const char *log_file_path = NULL;
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static int log_file_fd = -1;
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static FILE * log_file_stream = NULL;
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PUBLIC void log_switch_to_file(const char *path) {
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_file_log_enabled = 1;
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log_file_path = strdup(path);
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#if 0
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log_file_fd = open(log_file_path, O_WRONLY | O_CREAT | O_APPEND, 0666);
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#endif
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log_file_stream = fopen(log_file_path, "a+");
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}
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static int check_log_file_available() {
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if (log_file_stream)
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return 1;
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if (log_file_path) {
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log_file_stream = fopen(log_file_path, "a+");
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}
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if (log_file_stream)
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return 1;
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return 0;
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}
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PUBLIC int log_internal_impl(unsigned int level, const char *fmt, ...) {
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if ((int)level < _log_level)
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return 0;
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va_list ap;
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va_start(ap, fmt);
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#if defined(__clang__)
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#pragma clang diagnostic ignored "-Wformat"
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#endif
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#if defined(_POSIX_VERSION) || defined(__APPLE__)
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if (_syslog_enabled) {
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vsyslog(LOG_ERR, fmt, ap);
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}
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#endif
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if (_file_log_enabled) {
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if (check_log_file_available()) {
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#define MAX_PRINT_BUFFER_SIZE 1024
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char buffer[MAX_PRINT_BUFFER_SIZE] = {0};
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vsnprintf(buffer, MAX_PRINT_BUFFER_SIZE - 1, fmt, ap);
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if (fwrite(buffer, sizeof(char), strlen(buffer) + 1, log_file_stream) == -1) {
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// log_file_fd invalid
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log_file_stream = NULL;
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if (check_log_file_available()) {
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// try again
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fwrite(buffer, sizeof(char), strlen(buffer) + 1, log_file_stream);
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}
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}
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fflush(log_file_stream);
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} else {
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vprintf(fmt, ap);
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}
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}
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if (!_syslog_enabled && !_file_log_enabled) {
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#if defined(__ANDROID__)
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#define ANDROID_LOG_TAG "Dobby"
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#include <android/log.h>
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__android_log_vprint(ANDROID_LOG_INFO, ANDROID_LOG_TAG, fmt, ap);
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#else
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vprintf(fmt, ap);
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#endif
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}
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#if defined(__clang__)
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#pragma clang diagnostic warning "-Wformat"
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#endif
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va_end(ap);
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return 0;
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}
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