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Diffstat (limited to 'openbsc/tests/mgcp/mgcp_test.c')
-rw-r--r--openbsc/tests/mgcp/mgcp_test.c135
1 files changed, 85 insertions, 50 deletions
diff --git a/openbsc/tests/mgcp/mgcp_test.c b/openbsc/tests/mgcp/mgcp_test.c
index 30bc625c0..f07db2f79 100644
--- a/openbsc/tests/mgcp/mgcp_test.c
+++ b/openbsc/tests/mgcp/mgcp_test.c
@@ -116,43 +116,75 @@ static struct msgb *from(const uint8_t *data, uint16_t len)
return msg;
}
-#define FROM(array) \
- from(array, sizeof(array))
+struct pdata {
+ const uint8_t *data;
+ uint16_t len;
+};
-void test_compress()
+static const struct pdata marker_normal[] = {
+ { .data = packet_1, .len = sizeof(packet_1), },
+ { .data = packet_2, .len = sizeof(packet_2), },
+ { .data = packet_3, .len = sizeof(packet_3), },
+ { .data = packet_4, .len = sizeof(packet_4), },
+};
+
+struct estate {
+ const struct pdata *data;
+ int plen;
+
+ const struct mgcp_rtp_compr_state state;
+ int output_size;
+};
+
+static const struct estate test_scenarious[] = {
+ { .data = marker_normal, .plen = ARRAY_SIZE(marker_normal),
+ .output_size = 17 *4 + 3 + 4 *1,
+ .state = {
+ .last_ts = UCHAR_MAX,
+ .generated_ssrc = 0x6f0fb1da,
+ .sequence = 52103,
+ .timestamp = 4157323848u,
+ },
+ },
+ { .data = &marker_normal[1], .plen = ARRAY_SIZE(marker_normal) - 1,
+ .output_size = 17 * 3 + 3,
+ .state = {
+ .last_ts = UCHAR_MAX,
+ .generated_ssrc = 0x6f0fb1da,
+ .sequence = 52104,
+ .timestamp = 4157324008u,
+ },
+ },
+};
+
+static void test_compress_one(const struct estate *edata, char *t)
{
+ const struct pdata *data = edata->data;
+ const int len = edata->plen;
+
int i = 0;
struct msgb *msg;
-
- struct msgb *msg1 = FROM(packet_1);
- struct msgb *msg2 = FROM(packet_2);
- struct msgb *msg3 = FROM(packet_3);
- struct msgb *msg4 = FROM(packet_4);
-
+ struct msgb *msgs[len];
struct llist_head list;
+
INIT_LLIST_HEAD(&list);
- msgb_enqueue(&list, msg1);
- msgb_enqueue(&list, msg2);
- msgb_enqueue(&list, msg3);
- msgb_enqueue(&list, msg4);
-
- struct mgcp_rtp_compr_state state;
- memset(&state, 0, sizeof(state));
- state.last_ts = UCHAR_MAX;
- state.generated_ssrc = 0x6f0fb1da;
- state.sequence = 52103;
- state.timestamp = 4157323848u;
+
+ for (i = 0; i < len; ++i) {
+ msgs[i] = from(data[i].data, data[i].len);
+ msgb_enqueue(&list, msgs[i]);
+ }
struct msgb *out = msgb_alloc_headroom(4096, 128, "out");
out->l2h = msgb_put(out, 0);
+ struct mgcp_rtp_compr_state state = edata->state;
int rc = rtp_compress(&state, out, 23, &list);
- if (rc != 4) {
- fprintf(stderr, "Result is not 4: %d\n", rc);
+ if (rc != len) {
+ fprintf(stderr, "Result is not %d: %d\n", len, rc);
abort();
}
- if (msgb_l2len(out) != (17*4 + 3)) {
+ if (msgb_l2len(out) != edata->output_size) {
fprintf(stderr, "Result is wrong size: %d\n", msgb_l2len(out));
abort();
}
@@ -160,49 +192,52 @@ void test_compress()
printf("output is: %s\n", osmo_hexdump(out->l2h, msgb_l2len(out)));
- list = rtp_decompress(&state, out);
+ INIT_LLIST_HEAD(&list);
+ if (rtp_decompress(&state, &list, out) != 0) {
+ fprintf(stderr, "Failed to decompress the code.\n");
+ abort();
+ }
+ i = 0;
llist_for_each_entry(msg, &list, list) {
- const uint8_t *data;
- int len;
-
- switch (++i) {
- case 1:
- data = packet_1;
- len = sizeof(packet_1);
- break;
- case 2:
- data = packet_2;
- len = sizeof(packet_2);
- break;
- case 3:
- data = packet_3;
- len = sizeof(packet_3);
- break;
- case 4:
- data = packet_4;
- len = sizeof(packet_4);
- break;
- default:
- fprintf(stderr, "Should not be reached.\n");
- abort();
- }
+ const struct pdata *got_data = &data[i];
- if (msgb_l2len(msg) != len) {
+ if (msgb_l2len(msg) != got_data->len) {
fprintf(stderr, "Wrong len for %d %d\n", i, msgb_l2len(msg));
abort();
}
- if (memcmp(msg->l2h, data, len) != 0) {
+ if (memcmp(msg->l2h, got_data->data, len) != 0) {
fprintf(stderr, "Wrong data for %d, '%s'\n",
i, osmo_hexdump(msg->l2h, msgb_l2len(msg)));
abort();
}
+
+ i += 1;
+ }
+
+ if (len != i) {
+ fprintf(stderr, "Failed to decode all packets: %d vs. %d\n", len, i);
}
msgb_free(out);
}
+void test_compress()
+{
+ /**
+ * This tests that we correctly encode/decode a marker bit
+ */
+ test_compress_one(&test_scenarious[0], "Test marker");
+
+
+ /**
+ * This tests the code path that will go through a smaller encoding
+ */
+ test_compress_one(&test_scenarious[1], "No marker");
+
+}
+
int main(int argc, char **argv)
{
osmo_init_logging(&log_info);