add ABIS IPA example as client (BTS)

2 files changed, 95 insertions, 1 deletions

diff --git a/examples/channel/Makefile.am b/examples/channel/Makefile.am
index 1906465..eb53c41 100644
--- a/examples/channel/Makefile.am
+++ b/examples/channel/Makefile.am
@@ -2,8 +2,13 @@ INCLUDES = $(all_includes) -I$(top_srcdir)/include
 AM_CFLAGS=-Wall -g $(LIBOSMOCORE_CFLAGS) $(LIBOSMOGSM_CFLAGS) $(LIBOSMOABIS_CFLAGS) $(COVERAGE_CFLAGS)
 AM_LDFLAGS = $(COVERAGE_LDFLAGS)
 
-noinst_PROGRAMS = abis_ipa_server
+noinst_PROGRAMS = abis_ipa_server	\
+		  abis_ipa_client
 
 abis_ipa_server_SOURCES = abis_ipa_server.c
 abis_ipa_server_LDADD = $(top_builddir)/src/libosmonetif.la 	\
 			$(LIBOSMOCORE_LIBS) $(LIBOSMOGSM_LIBS)
+
+abis_ipa_client_SOURCES = abis_ipa_client.c
+abis_ipa_client_LDADD = $(top_builddir)/src/libosmonetif.la 	\
+			$(LIBOSMOCORE_LIBS) $(LIBOSMOGSM_LIBS)
diff --git a/examples/channel/abis_ipa_client.c b/examples/channel/abis_ipa_client.c
new file mode 100644
index 0000000..8ff0c11
--- /dev/null
+++ b/examples/channel/abis_ipa_client.c
@@ -0,0 +1,89 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <osmocom/core/select.h>
+#include <osmocom/core/talloc.h>
+#include <osmocom/core/msgb.h>
+#include <osmocom/core/logging.h>
+#include <osmocom/core/application.h>
+
+#include <osmocom/netif/channel.h>
+#include <osmocom/netif/channel/abis_ipa_client.h>
+#include <osmocom/netif/ipa_unit.h>
+
+static void *tall_example;
+
+#define DEXAMPLE 0
+
+struct log_info_cat example_cat[] = {
+	[DEXAMPLE] = {
+		.name = "DEXAMPLE",
+		.description = "example",
+		.color = "\033[1;35m",
+		.enabled = 1, .loglevel = LOGL_DEBUG,
+	},
+};
+
+const struct log_info example_log_info = {
+	.filter_fn = NULL,
+	.cat = example_cat,
+	.num_cat = ARRAY_SIZE(example_cat),
+};
+
+void sighandler(int foo)
+{
+	LOGP(DEXAMPLE, LOGL_NOTICE, "closing test.\n");
+	exit(EXIT_SUCCESS);
+}
+
+static void signal_msg_cb(struct msgb *msg, int type)
+{
+	LOGP(DEXAMPLE, LOGL_NOTICE, "received signal message\n");
+}
+
+static struct osmo_chan *chan;
+
+int main(void)
+{
+	struct ipaccess_unit *unit;
+
+	tall_example = talloc_named_const(NULL, 1, "example");
+
+	osmo_init_logging(&example_log_info);
+	log_set_log_level(osmo_stderr_target, LOGL_DEBUG);
+
+	/* create channel. */
+	chan = osmo_chan_create(tall_example, CHAN_ABIS_IPA_CLI);
+	if (chan == NULL) {
+		LOGP(DEXAMPLE, LOGL_ERROR, "Cannot create A-bis IPA client\n");
+		exit(EXIT_FAILURE);
+	}
+
+	/* set specific parameters (depends on channel type). */
+	osmo_abis_ipa_cli_set_oml_addr(chan, "127.0.0.1");
+	osmo_abis_ipa_cli_set_rsl_addr(chan, "127.0.0.1");
+
+	unit = osmo_ipa_unit_alloc();
+	if (unit == NULL) {
+		LOGP(DEXAMPLE, LOGL_ERROR, "Cannot create IPA unit\n");
+		exit(EXIT_FAILURE);
+	}
+	osmo_ipa_unit_set_site_id(unit, 1801);
+
+	osmo_abis_ipa_cli_set_unit(chan, unit);
+	osmo_abis_ipa_cli_set_cb_signalmsg(chan, signal_msg_cb);
+
+	/* open channel. */
+	if (osmo_chan_open(chan) < 0) {
+		LOGP(DEXAMPLE, LOGL_ERROR, "Cannot create A-bis IPA client\n");
+		exit(EXIT_FAILURE);
+	}
+
+	LOGP(DEXAMPLE, LOGL_NOTICE, "Entering main loop\n");
+
+	while(1) {
+		osmo_select_main(0);
+	}
+}