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/* ==========================================================================
Licensed under BSD 2clause license See LICENSE file for more information
Author: Michał Łyszczek <michal.lyszczek@bofc.pl>
========================================================================== */
#include "embedlog.h"
#define EL_OPTIONS_OBJECT &opts
void like_this(void) { el_print(ELN, "yup, I really like this!"); }
void or_this(void) { el_print(ELN, "this I like too"); }
void too_long_function_to_present_trimming_but_it_could_be_impossible(void)
{
el_print(ELN, "trimmed (I hope) function name");
}
#ifdef EMBEDLOG_DEMO_LIBRARY
int el_demo_print_options_main(void)
#else
int main(void)
#endif
{
struct el opts;
el_init();
el_print(ELI, "most common options can be set with special functions");
el_set_timestamp(EL_TS_LONG, EL_TS_TM_REALTIME, EL_TS_FRACT_US);
el_print_extra_info(1);
el_print(ELI, "like, printing timestamp and log location in a file");
el_enable_colors(1);
el_print(ELI, "or enabling colors in output");
el_print(ELA, "to make it easy to spot error");
el_set_log_level(EL_DBG);
el_print(ELD, "These options are enough for vast majority of use cases. "
"But it more fine tuning is necessary, you can always use "
"el_option(3) function, to really fine tune your experience");
el_puts("log");
el_set_timestamp(EL_TS_OFF, 0, 0);
el_print_extra_info(0);
el_enable_colors(0);
el_print(ELI, "We can disable information about log level\b");
el_print(ELF, "message still will be filtered by log level");
el_print(ELA, "but there is no way to tell what level message is");
el_print(ELD, "like this message will not be printed");
el_option(EL_TS, EL_TS_SHORT);
el_print(ELF, "As every respected logger, we also have timestamps");
el_print(ELF, "which work well with time from clock()");
el_option(EL_TS_TM, EL_TS_TM_MONOTONIC);
el_print(ELF, "or CLOCK_MONOTONIC from POSIX");
el_option(EL_TS, EL_TS_LONG);
el_option(EL_TS_TM, EL_TS_TM_TIME);
el_print(ELF, "we also have long format that works well with time()");
el_option(EL_TS_TM, EL_TS_TM_REALTIME);
el_print(ELF, "if higher precision is needed we can use CLOCK_REALTIME");
el_option(EL_TS, EL_TS_SHORT);
el_print(ELF, "we can also mix REALTIME with short format");
el_option(EL_TS_FRACT, EL_TS_FRACT_OFF);
el_print(ELF, "and iff you don't need high resolution");
el_print(ELF, "you can disable fractions of seconds to save space!");
el_option(EL_TS_FRACT, EL_TS_FRACT_MS);
el_print(ELF, "or enable only millisecond resolution");
el_option(EL_TS_FRACT, EL_TS_FRACT_US);
el_print(ELF, "or enable only microsecond resolution");
el_option(EL_TS_FRACT, EL_TS_FRACT_NS);
el_print(ELF, "or enable only nanosecond resolution");
el_option(EL_TS, EL_TS_LONG);
el_option(EL_TS_TM, EL_TS_TM_CLOCK);
el_print(ELF, "or long with clock() if you desire");
el_option(EL_TS, EL_TS_OFF);
el_print(ELF, "no time information, if your heart desire it");
el_option(EL_TS_FRACT, EL_TS_FRACT_NS);
el_option(EL_FUNCINFO, 1);
el_print(ELN, "logs can contain function name from which they were called");
like_this();
or_this();
too_long_function_to_present_trimming_but_it_could_be_impossible();
el_option(EL_FINFO, 1);
el_print(ELF, "log location is very usefull for debuging");
el_option(EL_TS, EL_TS_LONG);
el_option(EL_TS_TM, EL_TS_TM_REALTIME);
el_option(EL_PRINT_LEVEL, 1);
el_print(ELF, "Different scenarios need different el object");
el_print(ELA, "So we can mix options however we want");
el_option(EL_PRINT_NL, 0);
el_print(ELF, "you can also remove printing new line ");
el_puts("to join el_print and el_puts in a single ");
el_puts("long line as needed\n");
el_option(EL_PRINT_NL, 1);
el_option(EL_COLORS, 1);
el_option(EL_LEVEL, EL_DBG);
el_print(ELD, "And if we have");
el_print(ELI, "modern terminal");
el_print(ELN, "we can enable colors");
el_print(ELW, "to spot warnings");
el_print(ELE, "or errors");
el_print(ELC, "with a quick");
el_print(ELA, "glance into");
el_print(ELF, "log file");
el_option(EL_PREFIX, "embedlog: ");
el_print(ELI, "you can also use prefixes");
el_print(ELI, "to every message you send");
el_option(EL_PREFIX, NULL);
el_print(ELI, "set prefix to null to disable it");
el_cleanup();
el_oinit(&opts);
el_ooption(&opts, EL_OUT, EL_OUT_STDERR);
el_oprint(ELI, &opts, "you can do same thing as about with custom");
el_oprint(ELI, &opts, "el object for two or more logger.");
el_oprint(OELE, "and if you define EL_OPTIONS_OBJECT you will be");
el_oprint(OELF, "able to print messages without passing el object");
el_oprint(OELW, "each time to print functions");
el_ocleanup(&opts);
return 0;
}
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