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      1 /* Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
      2  * Use of this source code is governed by a BSD-style license that can be
      3  * found in the LICENSE file.
      4  */
      5 
      6 #include <getopt.h>
      7 #include <signal.h>
      8 #include <syslog.h>
      9 
     10 #include "cras_config.h"
     11 #include "cras_iodev_list.h"
     12 #include "cras_server.h"
     13 #include "cras_system_state.h"
     14 #include "cras_dsp.h"
     15 
     16 static struct option long_options[] = {
     17 	{"dsp_config", required_argument, 0, 'd'},
     18 	{"syslog_mask", required_argument, 0, 'l'},
     19 	{"device_config_dir", required_argument, 0, 'c'},
     20 	{"disable_profile", required_argument, 0, 'D'},
     21 	{"internal_ucm_suffix", required_argument, 0, 'u'},
     22 	{0, 0, 0, 0}
     23 };
     24 
     25 /* Ignores sigpipe, we'll notice when a read/write fails. */
     26 static void set_signals()
     27 {
     28 	signal(SIGPIPE, SIG_IGN);
     29 	signal(SIGCHLD, SIG_IGN);
     30 }
     31 
     32 /* Entry point for the server. */
     33 int main(int argc, char **argv)
     34 {
     35 	int c, option_index;
     36 	int log_mask = LOG_ERR;
     37 	const char default_dsp_config[] = CRAS_CONFIG_FILE_DIR "/dsp.ini";
     38 	const char *dsp_config = default_dsp_config;
     39 	const char *device_config_dir = CRAS_CONFIG_FILE_DIR;
     40 	const char *internal_ucm_suffix = NULL;
     41 	unsigned int profile_disable_mask = 0;
     42 
     43 	set_signals();
     44 
     45 	while (1) {
     46 		c = getopt_long(argc, argv, "", long_options, &option_index);
     47 		if (c == -1)
     48 			break;
     49 
     50 		switch (c) {
     51 		/* To keep this code simple we ask the (technical)
     52 		   user to pass one of integer values defined in
     53 		   syslog.h - this is a development feature after
     54 		   all. While there is no formal standard for the
     55 		   integer values there is an informal standard:
     56 		   http://tools.ietf.org/html/rfc5424#page-11 */
     57 		case 'l':
     58 			log_mask = atoi(optarg);
     59 			break;
     60 
     61 		case 'c':
     62 			device_config_dir = optarg;
     63 			break;
     64 
     65 		case 'd':
     66 			dsp_config = optarg;
     67 			break;
     68 		/* --disable_profile option takes list of profile names separated by ',' */
     69 		case 'D':
     70 			while ((optarg != NULL) && (*optarg != 0)) {
     71 				if (strncmp(optarg, "hfp", 3) == 0) {
     72 					profile_disable_mask |= CRAS_SERVER_PROFILE_MASK_HFP;
     73 				}
     74 				if (strncmp(optarg, "hsp", 3) == 0) {
     75 					profile_disable_mask |= CRAS_SERVER_PROFILE_MASK_HSP;
     76 				}
     77 				if (strncmp(optarg, "a2dp", 4) == 0) {
     78 					profile_disable_mask |= CRAS_SERVER_PROFILE_MASK_A2DP;
     79 				}
     80 				optarg = strchr(optarg, ',');
     81 				if (optarg != NULL) {
     82 					optarg++;
     83 				}
     84 			}
     85 			break;
     86 		case 'u':
     87 			if (*optarg != 0)
     88 				internal_ucm_suffix = optarg;
     89 			break;
     90 		default:
     91 			break;
     92 		}
     93 	}
     94 
     95 	switch (log_mask) {
     96 		case LOG_EMERG: case LOG_ALERT: case LOG_CRIT: case LOG_ERR:
     97 		case LOG_WARNING: case LOG_NOTICE: case LOG_INFO:
     98 		case LOG_DEBUG:
     99 			break;
    100 		default:
    101 			fprintf(stderr,
    102 				"Unsupported syslog priority value: %d; using LOG_ERR=%d\n",
    103 				log_mask, LOG_ERR);
    104 			log_mask = LOG_ERR;
    105 			break;
    106 	}
    107 	setlogmask(LOG_UPTO(log_mask));
    108 
    109 	/* Initialize system. */
    110 	cras_server_init();
    111 	cras_system_state_init(device_config_dir);
    112 	if (internal_ucm_suffix)
    113 		cras_system_state_set_internal_ucm_suffix(internal_ucm_suffix);
    114 	cras_dsp_init(dsp_config);
    115 	cras_iodev_list_init();
    116 
    117 	/* Start the server. */
    118 	return cras_server_run(profile_disable_mask);
    119 }
    120