merge bts-specific main function into common/main.c:bts_main()

This removes a lot of copy+paste duplication between different BTS
models.

1 files changed, 15 insertions, 224 deletions

diff --git a/src/osmo-bts-octphy/main.c b/src/osmo-bts-octphy/main.c
index 1cb7cfc2..1f516e4a 100644
--- a/src/osmo-bts-octphy/main.c
+++ b/src/osmo-bts-octphy/main.c
@@ -40,266 +40,57 @@
 #include <osmocom/core/application.h>
 #include <osmocom/vty/telnet_interface.h>
 #include <osmocom/vty/logging.h>
-#include <osmocom/core/gsmtap_util.h>
-#include <osmocom/core/gsmtap.h>
 
 #include <osmo-bts/logging.h>
-#include <osmo-bts/abis.h>
 #include <osmo-bts/bts.h>
 #include <osmo-bts/vty.h>
-#include <osmo-bts/pcu_if.h>
 #include <osmo-bts/l1sap.h>
 
 #include "l1_if.h"
 
-int pcu_direct = 0;
 #define RF_LOCK_PATH	"/var/lock/bts_rf_lock"
 
-static const char *config_file = "osmo-bts.cfg";
-static int daemonize = 0;
-static int rt_prio = -1;
-static char *gsmtap_ip = 0;
+extern int pcu_direct;
 
-static void print_help()
+static struct gsm_bts *bts;
+
+int bts_model_print_help()
 {
-	printf( "Some useful options:\n"
-		"  -h	--help		this text\n"
-		"  -d	--debug MASK	Enable debugging (e.g. -d DRSL:DOML:DLAPDM)\n"
-		"  -D	--daemonize	For the process into a background daemon\n"
-		"  -c	--config-file 	Specify the filename of the config file\n"
-		"  -s	--disable-color	Don't use colors in stderr log output\n"
-		"  -T	--timestamp	Prefix every log line with a timestamp\n"
-		"  -V	--version	Print version information and exit\n"
-		"  -e 	--log-level	Set a global log-level\n"
-		"  -r	--realtime PRIO	Use SCHED_RR with the specified priority\n"
-		"  -i	--gsmtap-ip	The destination IP used for GSMTAP.\n"
-		);
 }
 
-/* FIXME: finally get some option parsing code into libosmocore */
-static void handle_options(int argc, char **argv)
+int bts_model_handle_options(int argc, char **argv)
 {
+	int num_errors = 0;
+
 	while (1) {
 		int option_idx = 0, c;
 		static const struct option long_options[] = {
-			/* FIXME: all those are generic Osmocom app options */
-			{ "help", 0, 0, 'h' },
-			{ "debug", 1, 0, 'd' },
-			{ "daemonize", 0, 0, 'D' },
-			{ "config-file", 1, 0, 'c' },
-			{ "disable-color", 0, 0, 's' },
-			{ "timestamp", 0, 0, 'T' },
-			{ "version", 0, 0, 'V' },
-			{ "log-level", 1, 0, 'e' },
-			{ "realtime", 1, 0, 'r' },
-			{ "gsmtap-ip", 1, 0, 'i' },
+			/* specific to this hardware */
 			{ 0, 0, 0, 0 }
 		};
 
-		c = getopt_long(argc, argv, "hc:d:Dc:sTVe:r:i:m:l:",
+		c = getopt_long(argc, argv, "",
 				long_options, &option_idx);
 		if (c == -1)
 			break;
 
 		switch (c) {
-		case 'h':
-			print_help();
-			exit(0);
-			break;
-		case 's':
-			log_set_use_color(osmo_stderr_target, 0);
-			break;
-		case 'd':
-			log_parse_category_mask(osmo_stderr_target, optarg);
-			break;
-		case 'D':
-			daemonize = 1;
-			break;
-		case 'c':
-			config_file = strdup(optarg);
-			break;
-		case 'T':
-			log_set_print_timestamp(osmo_stderr_target, 1);
-			break;
-		case 'V':
-			print_version(1);
-			exit(0);
-			break;
-		case 'e':
-			log_set_log_level(osmo_stderr_target, atoi(optarg));
-			break;
-		case 'r':
-			rt_prio = atoi(optarg);
-			break;
-		case 'i':
-			gsmtap_ip = optarg;
-			break;
 		default:
+			num_errors++;
 			break;
 		}
 	}
-}
-
-static struct gsm_bts *bts;
-
-static void signal_handler(int signal)
-{
-	fprintf(stderr, "signal %u received\n", signal);
 
-	switch (signal) {
-	case SIGINT:
-		//osmo_signal_dispatch(SS_GLOBAL, S_GLOBAL_SHUTDOWN, NULL);
-		bts_shutdown(bts, "SIGINT");
-		break;
-	case SIGABRT:
-	case SIGUSR1:
-	case SIGUSR2:
-		talloc_report_full(tall_bts_ctx, stderr);
-		break;
-	default:
-		break;
-	}
+	return num_errors;
 }
 
-static int write_pid_file(char *procname)
+void bts_model_abis_close(struct gsm_bts *bts)
 {
-	FILE *outf;
-	char tmp[PATH_MAX + 1];
-
-	snprintf(tmp, sizeof(tmp) - 1, "/var/run/%s.pid", procname);
-	tmp[PATH_MAX - 1] = '\0';
-
-	outf = fopen(tmp, "w");
-	if (!outf)
-		return -1;
-
-	fprintf(outf, "%d\n", getpid());
-
-	fclose(outf);
-
-	return 0;
+	/* for now, we simply terminate the program and re-spawn */
+	bts_shutdown(bts, "Abis close");
 }
 
 int main(int argc, char **argv)
 {
-	struct stat st;
-	struct sched_param param;
-	struct gsm_bts_role_bts *btsb;
-	struct e1inp_line *line;
-	void *tall_msgb_ctx;
-	int rc;
-
-	tall_bts_ctx = talloc_named_const(NULL, 1, "OsmoBTS context");
-	tall_msgb_ctx = talloc_named_const(tall_bts_ctx, 1, "msgb");
-	msgb_set_talloc_ctx(tall_msgb_ctx);
-
-	bts_log_init(NULL);
-
-	bts = gsm_bts_alloc(tall_bts_ctx);
-	vty_init(&bts_vty_info);
-	e1inp_vty_init();
-	bts_vty_init(bts, &bts_log_info);
-
-	handle_options(argc, argv);
-
-	/* enable realtime priority for us */
-	if (rt_prio != -1) {
-		memset(&param, 0, sizeof(param));
-		param.sched_priority = rt_prio;
-		rc = sched_setscheduler(getpid(), SCHED_RR, &param);
-		if (rc != 0) {
-			fprintf(stderr,
-				"Setting SCHED_RR priority(%d) failed: %s\n",
-				param.sched_priority, strerror(errno));
-			exit(1);
-		}
-	}
-
-	if (gsmtap_ip) {
-		gsmtap = gsmtap_source_init(gsmtap_ip, GSMTAP_UDP_PORT, 1);
-		if (!gsmtap) {
-			fprintf(stderr, "Failed during gsmtap_init()\n");
-			exit(1);
-		}
-		gsmtap_source_add_sink(gsmtap);
-	}
-
-	if (bts_init(bts) < 0) {
-		fprintf(stderr, "unable to to open bts\n");
-		exit(1);
-	}
-	btsb = bts_role_bts(bts);
-	btsb->support.ciphers = CIPHER_A5(1) | CIPHER_A5(2) | CIPHER_A5(3);
-
-	abis_init(bts);
-
-	rc = vty_read_config_file(config_file, NULL);
-	if (rc < 0) {
-		fprintf(stderr, "Failed to parse the config file: '%s'\n",
-			config_file);
-		exit(1);
-	}
-
-	if (stat(RF_LOCK_PATH, &st) == 0) {
-		LOGP(DL1C, LOGL_NOTICE,
-		     "Not starting BTS due to RF_LOCK file present\n");
-		exit(23);
-	}
-	write_pid_file("osmo-bts");
-
-	rc = telnet_init(tall_bts_ctx, NULL, 4241);
-	if (rc < 0) {
-		fprintf(stderr, "Error initializing telnet\n");
-		exit(1);
-	}
-
-	if (pcu_sock_init()) {
-		fprintf(stderr, "PCU L1 socket failed\n");
-		exit(-1);
-	}
-
-	signal(SIGINT, &signal_handler);
-	//signal(SIGABRT, &signal_handler);
-	signal(SIGUSR1, &signal_handler);
-	signal(SIGUSR2, &signal_handler);
-	osmo_init_ignore_signals();
-
-	if (!btsb->bsc_oml_host) {
-		fprintf(stderr,
-			"Cannot start BTS without knowing BSC OML IP\n");
-		exit(1);
-	}
-
-	line = abis_open(bts, btsb->bsc_oml_host, "OsmoBTS-OCTPHY");
-	if (!line) {
-		fprintf(stderr, "unable to connect to BSC\n");
-		exit(1);
-	}
-
-	/* Open L1 interface */
-	rc = l1if_open(bts->c0->role_bts.l1h);
-	if (rc < 0) {
-		LOGP(DL1C, LOGL_FATAL, "Cannot open L1 Interface\n");
-		exit(1);
-	}
-
-	if (daemonize) {
-		rc = osmo_daemonize();
-		if (rc < 0) {
-			perror("Error during daemonize");
-			exit(1);
-		}
-	}
-
-	while (1) {
-		log_reset_context();
-		osmo_select_main(0);
-	}
-
-}
-
-void bts_model_abis_close(struct gsm_bts *bts)
-{
-	/* for now, we simply terminate the program and re-spawn */
-	bts_shutdown(bts, "Abis close");
+	return bts_main(argc, argv);
 }