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-rw-r--r--openbsc/tests/mgcp/mgcpgw_client_test.c165
1 files changed, 165 insertions, 0 deletions
diff --git a/openbsc/tests/mgcp/mgcpgw_client_test.c b/openbsc/tests/mgcp/mgcpgw_client_test.c
new file mode 100644
index 0000000..20e9b78
--- /dev/null
+++ b/openbsc/tests/mgcp/mgcpgw_client_test.c
@@ -0,0 +1,165 @@
+/*
+ * (C) 2016 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ * All Rights Reserved
+ *
+ * Author: Neels Hofmeyr
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <string.h>
+
+#include <osmocom/core/msgb.h>
+#include <osmocom/core/application.h>
+#include <openbsc/mgcp.h>
+#include <openbsc/mgcpgw_client.h>
+
+void *ctx;
+
+#define buf_len 4096
+
+#if 0
+static struct msgb *from_hex(const char *hex)
+{
+ struct msgb *msg = msgb_alloc(buf_len, "mgcpgw_test_from_hex");
+ unsigned int l = osmo_hexparse(hex, msg->data, buf_len);
+ msg->l2h = msgb_put(msg, l);
+ return msg;
+}
+
+static struct msgb *mgcp_from_str(const char *head, const char *params)
+{
+ struct msgb *msg = msgb_alloc(buf_len, "mgcp_from_str");
+ unsigned int l;
+ char *data;
+ l = strlen(head);
+ msg->l2h = msgb_put(msg, l);
+ data = (char*)msgb_l2(msg);
+ strncpy(data, head, l);
+
+ data = (char*)msgb_put(msg, 1);
+ *data = '\n';
+
+ l = strlen(params);
+ data = (char*)msgb_put(msg, l);
+ strncpy(data, params, l);
+
+ return msg;
+}
+#endif
+
+static struct msgb *from_str(const char *str)
+{
+ struct msgb *msg = msgb_alloc(buf_len, "from_str");
+ unsigned int l = strlen(str);
+ char *data;
+ msg->l2h = msgb_put(msg, l);
+ data = (char*)msgb_l2(msg);
+ strncpy(data, str, l);
+ return msg;
+}
+
+static struct mgcpgw_client_conf conf;
+struct mgcpgw_client *mgcp = NULL;
+
+static void reply_to(mgcp_trans_id_t trans_id, int code, const char *comment,
+ int conn_id, const char *params)
+{
+ static char compose[4096 - 128];
+ int len;
+
+ len = snprintf(compose, sizeof(compose),
+ "%d %u %s\r\nI: %d\n\n%s",
+ code, trans_id, comment, conn_id, params);
+ OSMO_ASSERT(len < sizeof(compose));
+ OSMO_ASSERT(len > 0);
+
+ printf("composed response:\n-----\n%s\n-----\n",
+ compose);
+ mgcpgw_client_rx(mgcp, from_str(compose));
+}
+
+void test_response_cb(struct mgcp_response *response, void *priv)
+{
+ OSMO_ASSERT(priv == mgcp);
+ mgcp_response_parse_params(response);
+
+ printf("response cb received:\n"
+ " head.response_code = %d\n"
+ " head.trans_id = %u\n"
+ " head.comment = %s\n"
+ " audio_port = %u\n",
+ response->head.response_code,
+ response->head.trans_id,
+ response->head.comment,
+ response->audio_port
+ );
+}
+
+mgcp_trans_id_t dummy_mgcp_send(struct msgb *msg)
+{
+ mgcp_trans_id_t trans_id;
+ trans_id = msg->cb[MSGB_CB_MGCP_TRANS_ID];
+ char *end;
+
+ OSMO_ASSERT(mgcpgw_client_pending_add(mgcp, trans_id, test_response_cb, mgcp));
+
+ end = (char*)msgb_put(msg, 1);
+ *end = '\0';
+ printf("composed:\n-----\n%s\n-----\n",
+ (char*)msgb_l2(msg));
+
+ talloc_free(msg);
+ return trans_id;
+}
+
+void test_crcx(void)
+{
+ struct msgb *msg;
+ mgcp_trans_id_t trans_id;
+
+ printf("\n===== %s =====\n", __func__);
+
+ if (mgcp)
+ talloc_free(mgcp);
+ mgcp = mgcpgw_client_init(ctx, &conf);
+
+ msg = mgcp_msg_crcx(mgcp, 23, 42, MGCP_CONN_LOOPBACK);
+ trans_id = dummy_mgcp_send(msg);
+
+ reply_to(trans_id, 200, "OK", 1,
+ "v=0\r\n"
+ "o=- 1 23 IN IP4 10.9.1.120\r\n"
+ "s=-\r\n"
+ "c=IN IP4 10.9.1.120\r\n"
+ "t=0 0\r\n"
+ "m=audio 16002 RTP/AVP 98\r\n"
+ "a=rtpmap:98 AMR/8000\r\n"
+ "a=ptime:20\r\n");
+}
+
+int main(int argc, char **argv)
+{
+ ctx = talloc_named_const(NULL, 1, "mgcpgw_client_test");
+ msgb_talloc_ctx_init(ctx, 0);
+ osmo_init_logging(&log_info);
+
+ mgcpgw_client_conf_init(&conf);
+
+ test_crcx();
+
+ printf("Done\n");
+ fprintf(stderr, "Done\n");
+ return EXIT_SUCCESS;
+}