diff options
Diffstat (limited to 'tests/iuup/iuup_test.c')
| -rw-r--r-- | tests/iuup/iuup_test.c | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/tests/iuup/iuup_test.c b/tests/iuup/iuup_test.c new file mode 100644 index 000000000..e6f2ca57a --- /dev/null +++ b/tests/iuup/iuup_test.c @@ -0,0 +1,156 @@ +#include <stdint.h> +#include <string.h> + +#include <osmocom/core/msgb.h> +#include <osmocom/core/application.h> +#include <osmocom/core/logging.h> + +#include <osmocom/mgcp/iuup_cn_node.h> +#include <osmocom/mgcp/iuup_protocol.h> + +void *ctx = NULL; + +static const char *dump(struct msgb *msg) +{ + return osmo_hexdump_nospc(msg->data, msg->len); +} + +struct msgb *msgb_from_hex(const char *label, const char *hex) +{ + struct msgb *msg = msgb_alloc_headroom(4096 + OSMO_IUUP_HEADROOM, + OSMO_IUUP_HEADROOM, label); + unsigned char *rc; + msg->l2h = msg->data; + rc = msgb_put(msg, osmo_hexparse(hex, msg->data, msgb_tailroom(msg))); + OSMO_ASSERT(rc == msg->l2h); + return msg; +} + +const char *expect_rx_payload = NULL; +int rx_payload(struct msgb *msg, void *node_priv) +{ + printf("rx_payload() invoked by iuup_cn!\n"); + printf(" [IuUP] -RTP->\n"); + printf("%s\n", dump(msg)); + printf("node_priv=%p\n", node_priv); + if (!expect_rx_payload) { + printf("ERROR: did not expect rx_payload()\n"); + exit(-1); + } else if (strcmp(expect_rx_payload, dump(msg))) { + printf("ERROR: mismatches expected msg %s\n", expect_rx_payload); + exit(-1); + } else + printf("ok: matches expected msg\n"); + expect_rx_payload = NULL; + return 0; +} + +const char *expect_tx_msg = NULL; +int tx_msg(struct msgb *msg, void *node_priv) +{ + printf("tx_msg() invoked by iuup_cn!\n"); + printf(" <-PDU- [IuUP]\n"); + printf("%s\n", dump(msg)); + printf("node_priv=%p\n", node_priv); + if (!expect_tx_msg) { + printf("ERROR: did not expect tx_msg()\n"); + exit(-1); + } else if (strcmp(expect_tx_msg, dump(msg))) { + printf("ERROR: mismatches expected msg %s\n", expect_tx_msg); + exit(-1); + } else + printf("ok: matches expected msg\n"); + expect_tx_msg = NULL; + return 0; +} + +static int rx_pdu(struct osmo_iuup_cn *cn, struct msgb *msg) +{ + int rc; + printf(" -PDU-> [IuUP]\n"); + printf("%s\n", dump(msg)); + rc = osmo_iuup_cn_rx_pdu(cn, msg); + printf("rc=%d\n", rc); + return rc; +} + +static int tx_payload(struct osmo_iuup_cn *cn, struct msgb *msg) +{ + int rc; + printf(" [IuUP] <-RTP-\n"); + printf("%s\n", dump(msg)); + rc = osmo_iuup_cn_tx_payload(cn, msg); + printf("rc=%d\n", rc); + return rc; +} + +void test_cn_session() +{ + void *node_priv = (void*)0x2342; + + struct osmo_iuup_cn_cfg cfg = { + .node_priv = node_priv, + .rx_payload = rx_payload, + .tx_msg = tx_msg, + }; + + struct osmo_iuup_cn *cn = osmo_iuup_cn_init(ctx, &cfg, __func__); + OSMO_ASSERT(cn); + + printf("\nSend IuUP Initialization. Expecting direct tx_msg() of the Initialization Ack\n"); + expect_tx_msg = "8060dc5219495e3f00010111" /* RTP header */ + "e4002400"; /* IuUP Init Ack */ + rx_pdu(cn, + msgb_from_hex("IuUP-Init", + "8060dc5219495e3f00010111" /* <- RTP header */ + "e000df99" /* <- IuUP header */ + "160051673c01270000820000001710000100" /* IuUP params */)); + +#define RTP_HEADER "8060944c6256042c00010102" +#define IUUP_HEADER "0100e2b3" +#define RTP_PAYLOAD "6cfb23bc46d18180c3e5ffe040045600005a7d35b625b80005fff03214ced0" + printf("\nReceive payload encapsulated in IuUP. Expecting rx_payload() of just RTP packet\n"); + printf("i.e. should strip away " IUUP_HEADER "\n"); + expect_rx_payload = RTP_HEADER "f03c" RTP_PAYLOAD; + rx_pdu(cn, + msgb_from_hex("IuUP-Data", + RTP_HEADER IUUP_HEADER RTP_PAYLOAD)); + + printf("\nTransmit RTP. Expecting tx_msg() with inserted IuUP header\n"); + expect_tx_msg = RTP_HEADER "000002b3" RTP_PAYLOAD; + tx_payload(cn, + msgb_from_hex("RTP data", RTP_HEADER "f03c" RTP_PAYLOAD)); + + printf("\nMore RTP, each time the Frame Nr advances, causing a new header CRC.\n"); + expect_tx_msg = RTP_HEADER "0100e2b3" RTP_PAYLOAD; + tx_payload(cn, + msgb_from_hex("RTP data", RTP_HEADER "f03c" RTP_PAYLOAD)); + expect_tx_msg = RTP_HEADER "02007eb3" RTP_PAYLOAD; + tx_payload(cn, + msgb_from_hex("RTP data", RTP_HEADER "f03c" RTP_PAYLOAD)); + expect_tx_msg = RTP_HEADER "03009eb3" RTP_PAYLOAD; + tx_payload(cn, + msgb_from_hex("RTP data", RTP_HEADER "f03c" RTP_PAYLOAD)); + + printf("All done.\n"); +} + +static const struct log_info_cat log_categories[] = { +}; + +const struct log_info log_info = { + .cat = log_categories, + .num_cat = ARRAY_SIZE(log_categories), +}; + +int main(void) +{ + ctx = talloc_named_const(NULL, 0, __FILE__); + void *msgb_ctx = msgb_talloc_ctx_init(ctx, 0); + osmo_init_logging2(ctx, &log_info); + + test_cn_session(); + + talloc_free(msgb_ctx); + return 0; +} |