Wesley Irvin
75b5767e36
Added colored output to the logs. Also added the logs to zone for outputting errors using our logger instead of printf().
60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
#include "logger.h"
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#include "../defines.h"
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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typedef enum level_color {
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COLOR_FATAL,
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COLOR_ERROR,
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COLOR_WARN,
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COLOR_INFO,
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COLOR_DEBUG,
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} level_color;
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void send_to_console(const char *message, level_color color) {
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const char *color_strings[] = {"41;97", "0;91", "0;93", "0;94", "0;92"};
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printf("\033[%sm%s\033[0m\n", color_strings[color], message);
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}
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void send_to_error_log(const char *message) {
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// TODO: Add in file handling here so that we can write the log messages
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// to file as well instead of just to console
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printf("send_to_error_log() called...\n");
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}
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void log_output(log_level level, const char *message, ...) {
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const char *level_strings[] = {
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"[FATAL]: ", "[ERROR]: ", "[WARN]: ", "[INFO]: ", "[DEBUG]: "};
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// We are going to impose a 32K char limit on a single log entry
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// we will hold this in format_message as a place to collect all
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// the variadic arguments and process them together. We make sure
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// that the memory is cleared to 0 before we start working on it.
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const i32 msg_length = 32000;
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char format_message[msg_length];
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memset(format_message, 0, sizeof(format_message));
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// Now we need to assemble the message from the message +
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// the variadic arguments
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__builtin_va_list arg_ptr;
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va_start(arg_ptr, message);
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vsnprintf(format_message, msg_length, message, arg_ptr);
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va_end(arg_ptr);
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// Now we prepend the message with our message level
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char log_message[msg_length];
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sprintf(log_message, "%s%s", level_strings[level], format_message);
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// Now we call the appropriate function depending on the level
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if (level <= 1) {
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send_to_console(log_message, level == FATAL ? COLOR_FATAL : COLOR_ERROR);
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send_to_error_log(log_message);
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} else {
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send_to_console(log_message, (level_color)level);
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}
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}
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