diff options
Diffstat (limited to 'openbsc/tests/mgcp/mgcp_test.c')
| -rw-r--r-- | openbsc/tests/mgcp/mgcp_test.c | 60 |
1 files changed, 57 insertions, 3 deletions
diff --git a/openbsc/tests/mgcp/mgcp_test.c b/openbsc/tests/mgcp/mgcp_test.c index 41a51dea0..02bcddb2e 100644 --- a/openbsc/tests/mgcp/mgcp_test.c +++ b/openbsc/tests/mgcp/mgcp_test.c @@ -1,6 +1,6 @@ /* - * (C) 2011 by Holger Hans Peter Freyther <zecke@selfish.org> - * (C) 2011 by On-Waves + * (C) 2011-2012 by Holger Hans Peter Freyther <zecke@selfish.org> + * (C) 2011-2012 by On-Waves * All Rights Reserved * * This program is free software; you can redistribute it and/or modify @@ -23,6 +23,7 @@ #include <osmocom/core/application.h> #include <osmocom/core/talloc.h> #include <string.h> +#include <limits.h> #define AUEP1 "AUEP 158663169 ds/e1-1/2@172.16.6.66 MGCP 1.0\r\n" #define AUEP1_RET "200 158663169 OK\r\n" @@ -71,7 +72,7 @@ "C: 2\r\n" #define DLCX_RET "250 7 OK\r\n" \ - "P: PS=0, OS=0, PR=0, OR=0\r\n" + "P: PS=0, OS=0, PR=0, OR=0, PL=0\r\n" struct mgcp_test { @@ -136,11 +137,64 @@ static void test_messages(void) talloc_free(cfg); } +struct pl_test { + int cycles; + uint16_t base_seq; + uint16_t max_seq; + uint32_t packets; + + uint32_t expected; + int loss; +}; + +static const struct pl_test pl_test_dat[] = { + /* basic.. just one package */ + { .cycles = 0, .base_seq = 0, .max_seq = 0, .packets = 1, .expected = 1, .loss = 0}, + /* some packages and a bit of loss */ + { .cycles = 0, .base_seq = 0, .max_seq = 100, .packets = 100, .expected = 101, .loss = 1}, + /* wrap around */ + { .cycles = 1<<16, .base_seq = 0xffff, .max_seq = 2, .packets = 4, .expected = 4, .loss = 0}, + /* min loss */ + { .cycles = 0, .base_seq = 0, .max_seq = 0, .packets = UINT_MAX, .expected = 1, .loss = INT_MIN }, + /* max loss, with wrap around on expected max */ + { .cycles = INT_MAX, .base_seq = 0, .max_seq = UINT16_MAX, .packets = 0, .expected = ((uint32_t)(INT_MAX) + UINT16_MAX + 1), .loss = INT_MAX }, +}; + +static void test_packet_loss_calc(void) +{ + int i; + printf("Testing packet loss calculation.\n"); + + for (i = 0; i < ARRAY_SIZE(pl_test_dat); ++i) { + uint32_t expected; + int loss; + struct mgcp_rtp_state state; + struct mgcp_rtp_end rtp; + memset(&state, 0, sizeof(state)); + memset(&rtp, 0, sizeof(rtp)); + + state.initialized = 1; + state.base_seq = pl_test_dat[i].base_seq; + state.max_seq = pl_test_dat[i].max_seq; + state.cycles = pl_test_dat[i].cycles; + + rtp.packets = pl_test_dat[i].packets; + mgcp_state_calc_loss(&state, &rtp, &expected, &loss); + + if (loss != pl_test_dat[i].loss || expected != pl_test_dat[i].expected) { + printf("FAIL: Wrong exp/loss at idx(%d) Loss(%d vs. %d) Exp(%u vs. %u)\n", + i, loss, pl_test_dat[i].loss, + expected, pl_test_dat[i].expected); + } + } +} + int main(int argc, char **argv) { osmo_init_logging(&log_info); test_messages(); + test_packet_loss_calc(); printf("Done\n"); return EXIT_SUCCESS; |