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, 21 insertions, 246 deletions

diff --git a/src/osmo-bts-trx/main.c b/src/osmo-bts-trx/main.c
index 13851095..6c2dabf7 100644
--- a/src/osmo-bts-trx/main.c
+++ b/src/osmo-bts-trx/main.c
@@ -1,6 +1,6 @@
 /* Main program for OsmoBTS-TRX */
 
-/* (C) 2011 by Harald Welte <laforge@gnumonks.org>
+/* (C) 2011-2015 by Harald Welte <laforge@gnumonks.org>
  * (C) 2013 by Andreas Eversberg <jolly@eversberg.eu>
  *
  * All Rights Reserved
@@ -39,6 +39,7 @@
 #include <osmocom/core/application.h>
 #include <osmocom/vty/telnet_interface.h>
 #include <osmocom/vty/logging.h>
+#include <osmocom/vty/ports.h>
 #include <osmocom/core/gsmtap.h>
 #include <osmocom/core/gsmtap_util.h>
 #include <osmocom/core/bits.h>
@@ -51,27 +52,21 @@
 #include <osmo-bts/bts_model.h>
 #include <osmo-bts/pcu_if.h>
 #include <osmo-bts/l1sap.h>
+#include <osmo-bts/control_if.h>
 
 #include "l1_if.h"
 #include "trx_if.h"
 #include "scheduler.h"
 
-const int pcu_direct = 0;
-
-int quit = 0;
-static const char *config_file = "osmo-bts.cfg";
-static int daemonize = 0;
-static char *gsmtap_ip = 0;
-static int rt_prio = -1;
-static int trx_num = 1;
-char *software_version = "0.0";
-char *bsc_host = "localhost";
-char *bts_id = "1801/0";
-
 int bts_model_init(struct gsm_bts *bts)
 {
 	void *l1h;
 	struct gsm_bts_trx *trx;
+	struct gsm_bts_role_bts *btsb = bts_role_bts(bts);
+
+	btsb->support.ciphers = CIPHER_A5(1) | CIPHER_A5(2);
+	if (!settsc_enabled && !setbsic_enabled)
+		settsc_enabled = setbsic_enabled = 1;
 
 	llist_for_each_entry(trx, &bts->trx_list, list) {
 		l1h = l1if_open(trx);
@@ -106,266 +101,46 @@ uint32_t trx_get_hlayer1(struct gsm_bts_trx *trx)
 	return 0;
 }
 
-static void print_help()
+void 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"
-		"  -t	--trx-num	Set number of TRX (default=%d)\n"
-		"  -i	--gsmtap-ip	The destination IP used for GSMTAP.\n"
-		"  -r	--realtime PRIO	Set realtime scheduler with given prio\n"
+	printf(
 		"  -I	--local-trx-ip	Local IP for transceiver to connect (default=%s)\n"
-		,trx_num, transceiver_ip);
+		, transceiver_ip
+		);
 }
 
-/* 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' },
-			{ "trx-num", 1, 0, 't' },
-			{ "gsmtap-ip", 1, 0, 'i' },
-			{ "realtime", 1, 0, 'r' },
+			/* specific to this hardware */
 			{ "local-trx-ip", 1, 0, 'I' },
 			{ 0, 0, 0, 0 }
 		};
 
-		c = getopt_long(argc, argv, "hc:d:Dc:sTVe:t:i:r:I:",
+		c = getopt_long(argc, argv, "I:",
 				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 't':
-			trx_num = atoi(optarg);
-			if (trx_num < 1)
-				trx_num = 1;
-			break;
-		case 'i':
-			gsmtap_ip = optarg;
-			break;
-		case 'r':
-			rt_prio = atoi(optarg);
-			break;
 		case 'I':
 			transceiver_ip = strdup(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);
-		if (!quit)
-			bts_shutdown(bts, "SIGINT");
-		quit++;
-		break;
-	case SIGABRT:
-	case SIGUSR1:
-	case SIGUSR2:
-		talloc_report_full(tall_bts_ctx, stderr);
-		break;
-	default:
-		break;
-	}
-}
-
-static int write_pid_file(char *procname)
-{
-	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;
+	return num_errors;
 }
 
 int main(int argc, char **argv)
 {
-	struct gsm_bts_role_bts *btsb;
-	struct gsm_bts_trx *trx;
-	struct e1inp_line *line;
-	void *tall_msgb_ctx;
-	int rc, i;
-
-	printf("((*))\n  |\n / \\ OsmoBTS\n");
-
-	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);
-
-	handle_options(argc, argv);
-
-	bts = gsm_bts_alloc(tall_bts_ctx);
-	if (!bts) {
-		fprintf(stderr, "Failed to create BTS structure\n");
-		exit(1);
-	}
-	for (i = 1; i < trx_num; i++) {
-		trx = gsm_bts_trx_alloc(bts);
-		if (!trx) {
-			fprintf(stderr, "Failed to TRX structure\n");
-			exit(1);
-		}
-	}
-
-	vty_init(&bts_vty_info);
-	e1inp_vty_init();
-	bts_vty_init(bts, &bts_log_info);
-
-	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);
-
-        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);
-	}
-
-	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 (!settsc_enabled && !setbsic_enabled)
-		settsc_enabled = setbsic_enabled = 1;
-
-	write_pid_file("osmo-bts");
-
-	bts_controlif_setup(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, "sysmoBTS");
-	if (!line) {
-		fprintf(stderr, "unable to connect to BSC\n");
-		exit(1);
-	}
-
-	if (daemonize) {
-		rc = osmo_daemonize();
-		if (rc < 0) {
-			perror("Error during daemonize");
-			exit(1);
-		}
-	}
-
-	if (rt_prio != -1) {
-		struct sched_param schedp;
-
-		/* high priority scheduling required for handling bursts */
-		memset(&schedp, 0, sizeof(schedp));
-		schedp.sched_priority = rt_prio;
-		rc = sched_setscheduler(0, SCHED_RR, &schedp);
-		if (rc) {
-			fprintf(stderr, "Error setting SCHED_RR with prio %d\n",
-				rt_prio);
-		}
-	}
-
-	while (quit < 2) {
-		log_reset_context();
-		osmo_select_main(0);
-	}
-
-#if 0
-	telnet_exit();
-
-	talloc_report_full(tall_bts_ctx, stderr);
-#endif
-
-	return 0;
+	return bts_main(argc, argv);
 }
-