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Feat: support environment variables

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Feat: set default config file to /etc/mymmpd/mympd.conf
Feat: use defaults, if config file doesn't exists
This commit is contained in:
jcorporation
2019-01-29 23:49:40 +00:00
parent 9053f7f419
commit dbfdef524d
1 changed files with 73 additions and 28 deletions
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101
src/main.c
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@@ -44,18 +44,18 @@
#include "../dist/src/inih/ini.h"
static void signal_handler(int sig_num) {
signal(sig_num, signal_handler); // Reinstantiate signal handler
static void mympd_signal_handler(int sig_num) {
signal(sig_num, mympd_signal_handler); // Reinstantiate signal handler
s_signal_received = sig_num;
//Wakeup mympd_api_loop
pthread_cond_signal(&mympd_api_queue->wakeup);
}
static int inihandler(void *user, const char *section, const char *name, const char* value) {
static int mympd_inihandler(void *user, const char *section, const char *name, const char* value) {
t_config* p_config = (t_config*)user;
char *crap;
#define MATCH(s, n) strcmp(section, s) == 0 && strcmp(name, n) == 0
#define MATCH(s, n) strcasecmp(section, s) == 0 && strcasecmp(name, n) == 0
if (MATCH("mpd", "mpdhost")) {
free(p_config->mpdhost);
@@ -164,7 +164,7 @@ static int inihandler(void *user, const char *section, const char *name, const c
return 1;
}
static void free_config(t_config *config) {
static void mympd_free_config(t_config *config) {
free(config->mpdhost);
free(config->mpdpass);
free(config->webport);
@@ -183,6 +183,35 @@ static void free_config(t_config *config) {
free(config);
}
static void mympd_parse_env(struct t_config *config, const char *envvar) {
char *name, *section;
const char *value = getenv(envvar);
if (value != NULL) {
char *var = strdup(envvar);
section = strtok_r(var, "_", &name);
if (section != NULL && name != NULL) {
LOG_DEBUG() printf("DEBUG: Using environment variable %s_%s: %s\n", section, name, value);
mympd_inihandler(config, section, name, value);
}
value = NULL;
}
}
static void mympd_get_env(struct t_config *config) {
const char* env_vars[]={"MPD_MPDHOST", "MPD_MPDPORT", "MPD_STREAMPORT",
"WEBSERVER_WEBPORT", "WEBSERVER_SSL", "WEBSERVER_SSLPORT", "WEBSERVER_SSLCERT", "WEBSERVER_SSLKEY",
"MYMPD_LOGLEVEL", "MYMPD_USER", "MYMPD_LOCALPLAYER", "MYMPD_COVERIMAGE", "MYMPD_COVERIMAGENAME",
"MYMPD_COVERIMAGESIZE", "MYMPD_VARLIBDIR", "MYMPD_MIXRAMP", "MYMPD_STICKERS", "MYMPD_TAGLIST",
"MYMPD_SEARCHTAGLIST", "MYMPD_BROWSETAGLIST", "MYMPD_SMARTPLS", "MYMPD_SYSCMDS",
"MYMPD_MAX_ELEMENTS_PER_PAGE", "MYMPD_LAST_PLAYED_COUNT",
"THEME_BACKGROUNDCOLOR", 0};
const char** ptr = env_vars;
while (*ptr != 0) {
mympd_parse_env(config, *ptr);
++ptr;
}
}
int main(int argc, char **argv) {
s_signal_received = 0;
char testdirname[400];
@@ -223,34 +252,49 @@ int main(int argc, char **argv) {
config->smartpls = true;
config->max_elements_per_page = 100;
config->last_played_count = 20;
char *etcdir = strdup(argv[1]);
config->etcdir = strdup(dirname(etcdir));
free(etcdir);
config->etcdir = strdup("/etc/mympd");
config->syscmds = false;
config->localplayer = true;
config->loglevel = 1;
config->backgroundcolor = strdup("#888");
char *configfile = strdup("/etc/mympd/mympd.conf");
if (argc == 2) {
printf("Starting myMPD %s\n", MYMPD_VERSION);
printf("Libmpdclient %i.%i.%i\n", LIBMPDCLIENT_MAJOR_VERSION, LIBMPDCLIENT_MINOR_VERSION, LIBMPDCLIENT_PATCH_VERSION);
printf("Parsing config file: %s\n", argv[1]);
if (ini_parse(argv[1], inihandler, config) < 0) {
printf("Can't load config file \"%s\"\n", argv[1]);
if (strncmp(argv[1], "/", 1) == 0) {
printf("Starting myMPD %s\n", MYMPD_VERSION);
printf("Libmpdclient %i.%i.%i\n", LIBMPDCLIENT_MAJOR_VERSION, LIBMPDCLIENT_MINOR_VERSION, LIBMPDCLIENT_PATCH_VERSION);
free(configfile);
configfile = argv[1];
char *etcdir = strdup(configfile);
free(config->etcdir);
config->etcdir = strdup(dirname(etcdir));
free(etcdir);
}
else {
printf("myMPD %s\n"
"Copyright (C) 2018-2019 Juergen Mang <mail@jcgames.de>\n"
"https://github.com/jcorporation/myMPD\n"
"Built " __DATE__ " "__TIME__"\n\n"
"Usage: %s [/path/to/mympd.conf]\n",
MYMPD_VERSION,
argv[0]
);
goto cleanup;
}
}
else {
printf("myMPD %s\n"
"Copyright (C) 2018-2019 Juergen Mang <mail@jcgames.de>\n"
"https://github.com/jcorporation/myMPD\n"
"Built " __DATE__ " "__TIME__"\n\n"
"Usage: %s /path/to/mympd.conf\n",
MYMPD_VERSION,
argv[0]
);
goto cleanup;
}
if (access(configfile, F_OK ) != -1) {
printf("Parsing config file: %s\n", configfile);
if (ini_parse(configfile, mympd_inihandler, config) < 0) {
printf("Can't load config file \"%s\"\n", configfile);
goto cleanup;
}
}
else {
printf("No config file found, using defaults\n");
}
//read environment - overwrites config file definitions
mympd_get_env(config);
#ifdef DEBUG
printf("Debug flag enabled, setting loglevel to debug\n");
@@ -259,8 +303,9 @@ int main(int argc, char **argv) {
printf("Setting loglevel to %ld\n", config->loglevel);
loglevel = config->loglevel;
signal(SIGTERM, signal_handler);
signal(SIGINT, signal_handler);
//set signal handler
signal(SIGTERM, mympd_signal_handler);
signal(SIGINT, mympd_signal_handler);
setvbuf(stdout, NULL, _IOLBF, 0);
setvbuf(stderr, NULL, _IOLBF, 0);
@@ -369,6 +414,6 @@ int main(int argc, char **argv) {
tiny_queue_free(web_server_queue);
tiny_queue_free(mpd_client_queue);
tiny_queue_free(mympd_api_queue);
free_config(config);
mympd_free_config(config);
return rc;
}