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asterisk/tests/test_abstract_jb.c
David M. Lee a2a53cc306 Stasis application WebSocket support 
This is the API that binds the Stasis dialplan application to external
Stasis applications. It also adds the beginnings of WebSocket
application support.

This module registers a dialplan function named Stasis, which is used
to put a channel into the named Stasis app. As a channel enters and
leaves the Stasis diaplan application, the Stasis app receives a
'stasis-start' and 'stasis-end' events.

Stasis apps register themselves using the stasis_app_register and
stasis_app_unregister functions. Messages are sent to an application
using stasis_app_send.

Finally, Stasis apps control channels through the use of the
stasis_app_control object, and the family of stasis_app_control_*
functions.

Other changes along for the ride are:
 * An ast_frame_dtor function that's RAII_VAR safe
 * Some common JSON encoders for name/number, timeval, and
   context/extension/priority

Review: https://reviewboard.asterisk.org/r/2361/


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@384879 65c4cc65-6c06-0410-ace0-fbb531ad65f3
2013-04-08 13:27:45 +00:00

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/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2012, Matt Jordan
*
* Matt Jordan <mjordan@digium.com>
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*!
* \file
* \brief Abstract Jitterbuffer Tests
*
* \author \verbatim Matt Jordan <mjordan@digium.com> \endverbatim
*
* Tests the abstract jitter buffer API. This tests both adaptive and fixed
* jitter buffers. Functions defined in abstract_jb that are not part of the
* abstract jitter buffer API are not tested by this unit test.
*
* \ingroup tests
*/
/*** MODULEINFO
<depend>TEST_FRAMEWORK</depend>
<support_level>core</support_level>
***/
#include "asterisk.h"
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include "asterisk/utils.h"
#include "asterisk/module.h"
#include "asterisk/test.h"
#include "asterisk/abstract_jb.h"
#include "asterisk/frame.h"
#define DEFAULT_FRAME_MS 160
#define DEFAULT_CONFIG_FLAGS 0
#define DEFAULT_CONFIG_SIZE (DEFAULT_FRAME_MS) * 10
#define DEFAULT_CONFIG_RESYNC_THRESHOLD (DEFAULT_FRAME_MS) * 2
#define DEFAULT_CONFIG_TARGET_EXTRA -1
/*! \internal \brief Destructor for a jitter buffer
* \param jb The jitter buffer to destroy
* \note This will destroy all frames still in the jitter buffer
*/
static void dispose_jitterbuffer(struct ast_jb *jb)
{
if (!jb || !jb->impl || !jb->jbobj) {
return;
}
jb->impl->empty_and_reset(jb->jbobj);
jb->impl->destroy(jb->jbobj);
jb->impl = NULL;
jb->jbobj = NULL;
}
/*! \internal \brief Create a test frame
* \param timestamp the time in ms of the frame
* \param seqno the frame's sequence number
* \returns a malloc'd frame
*/
static struct ast_frame *create_test_frame(long timestamp,
int seqno)
{
struct ast_frame f = {0};
f.subclass.format.id = AST_FORMAT_SLINEAR;
f.frametype = AST_FRAME_VOICE;
f.src = "TEST";
f.ts = timestamp;
f.len = DEFAULT_FRAME_MS;
f.seqno = seqno;
return ast_frisolate(&f);
}
/*! \internal
* \brief Test two numeric (long int) values.
*/
#define LONG_INT_TEST(actual, expected) do { \
if ((actual) != (expected)) { \
ast_test_status_update(test, #actual ": expected [%ld]; actual [%ld]\n", (long int)(expected), (long int)(actual)); \
return AST_TEST_FAIL; \
} } while (0)
/*! \internal
* \brief Test two numeric (int) values.
*/
#define INT_TEST(actual, expected) do { \
if ((actual) != (expected)) { \
ast_test_status_update(test, #actual ": expected [%d]; actual [%d]\n", (expected), (actual)); \
return AST_TEST_FAIL; \
} } while (0)
/*! \internal
* \brief Test two string values
*/
#define STRING_TEST(actual, expected) do { \
if (strcmp((actual), (expected))) { \
ast_test_status_update(test, #actual ": expected [%s]; actual [%s]\n", (expected), (actual)); \
return AST_TEST_FAIL; \
} } while (0)
/*! \internal
* \brief Verify that two frames have the same properties
*/
#define VERIFY_FRAME(actual, expected) do { \
INT_TEST((actual)->frametype, (expected)->frametype); \
INT_TEST((actual)->seqno, (expected)->seqno); \
LONG_INT_TEST((actual)->ts, (expected)->ts); \
LONG_INT_TEST((actual)->len, (expected)->len); \
STRING_TEST((actual)->src, (expected)->src); \
} while (0)
/*! \internal
* \brief Get the implementation for a jitter buffer
*/
#define OBTAIN_JITTERBUFFER_IMPL(impl, ast_jb_type, literal_name) do { \
(impl) = ast_jb_get_impl((ast_jb_type)); \
if (!(impl)) { \
ast_test_status_update(test, "Error: no %s jitterbuffer defined\n", (literal_name)); \
return AST_TEST_FAIL; \
} \
if (strcmp((impl)->name, (literal_name))) { \
ast_test_status_update(test, "Error: requested %s jitterbuffer and received %s\n", (literal_name), (impl)->name); \
return AST_TEST_FAIL; \
} } while (0)
/*! \internal
* \brief Make a jitter buffer configuration object with default values
*/
#define MAKE_DEFAULT_CONFIG(conf, impl) do { \
(conf)->flags = DEFAULT_CONFIG_FLAGS; \
strcpy((conf)->impl, (impl)->name); \
(conf)->max_size = DEFAULT_CONFIG_SIZE; \
(conf)->resync_threshold = DEFAULT_CONFIG_RESYNC_THRESHOLD; \
(conf)->target_extra = DEFAULT_CONFIG_TARGET_EXTRA; \
} while (0)
/*! \internal \brief A container object for the jitter buffers, used for all tests*/
static struct ast_jb default_jb = {
.impl = NULL,
.jbobj = NULL
};
/*! \internal \brief Construct a test name */
#define TEST_NAME(type_name, specifier) type_name ## _ ## specifier
#define TEST_NAME2(test_name) #test_name
#define STRINGIFY_TESTNAME(test_name) TEST_NAME2(test_name)
/*! \internal \brief Test nominal construction of a jitter buffer
* \param type_name The enum type of the jitter buffer to create
* \param literal_type_name The literal name of the type - "fixed" or "adaptive"
*/
#define test_create_nominal(type_name, literal_type_name) AST_TEST_DEFINE(TEST_NAME(type_name, create)) {\
RAII_VAR(struct ast_jb *, jb, &default_jb, dispose_jitterbuffer); \
const struct ast_jb_impl *impl; \
struct ast_jb_conf conf; \
\
switch (cmd) { \
case TEST_INIT: \
info->name = STRINGIFY_TESTNAME(TEST_NAME(type_name, create)); \
info->category = "/main/abstract_jb/"; \
info->summary = "Test nominal creation of a " literal_type_name " jitterbuffer"; \
info->description = \
"Tests nominal creation of a " literal_type_name " jitterbuffer using the " \
" jitterbuffer API."; \
return AST_TEST_NOT_RUN; \
case TEST_EXECUTE: \
break; \
} \
\
ast_test_status_update(test, "Executing " STRINGIFY_TESTNAME(TEST_NAME(type_name, create))"...\n"); \
OBTAIN_JITTERBUFFER_IMPL(impl, (type_name), (literal_type_name)); \
MAKE_DEFAULT_CONFIG(&conf, impl); \
\
jb->jbobj = impl->create(&conf); \
jb->impl = impl; \
if (!jb->jbobj) { \
ast_test_status_update(test, "Error: Failed to adaptive jitterbuffer\n"); \
return AST_TEST_FAIL; \
} \
\
return AST_TEST_PASS; \
}
/*! \internal \brief Test putting the initial frame into a jitter buffer
* \param type_name The enum type of the jitter buffer to create
* \param literal_type_name The literal name of the type - "fixed" or "adaptive"
*/
#define test_put_first(type_name, literal_type_name) AST_TEST_DEFINE(TEST_NAME(type_name, put_first)) {\
RAII_VAR(struct ast_jb *, jb, &default_jb, dispose_jitterbuffer); \
const struct ast_jb_impl *impl; \
struct ast_jb_conf conf; \
RAII_VAR(struct ast_frame *, expected_frame, NULL, ast_frame_dtor); \
RAII_VAR(struct ast_frame *, actual_frame, NULL, ast_frame_dtor); \
int res; \
\
switch (cmd) { \
case TEST_INIT: \
info->name = STRINGIFY_TESTNAME(TEST_NAME(type_name, put_first)); \
info->category = "/main/abstract_jb/"; \
info->summary = "Test putting a frame into a " literal_type_name " jitterbuffer"; \
info->description = \
"This tests putting a single frame into a " literal_type_name " jitterbuffer " \
"when the jitterbuffer is empty and verifying that it is indeed " \
"the first frame on the jitterbufffer"; \
return AST_TEST_NOT_RUN; \
case TEST_EXECUTE: \
break; \
} \
\
ast_test_status_update(test, "Executing " STRINGIFY_TESTNAME(TEST_NAME(type_name, create))"...\n"); \
OBTAIN_JITTERBUFFER_IMPL(impl, (type_name), (literal_type_name)); \
MAKE_DEFAULT_CONFIG(&conf, impl); \
jb->jbobj = impl->create(&conf); \
jb->impl = impl; \
if (!jb->jbobj) { \
ast_test_status_update(test, "Error: Failed to adaptive jitterbuffer\n"); \
return AST_TEST_FAIL; \
} \
\
expected_frame = create_test_frame(1000, 0); \
res = jb->impl->put_first(jb->jbobj, \
expected_frame, \
1100); \
if (res != AST_JB_IMPL_OK) { \
ast_test_status_update(test, "Error: Got %d back from put_first (expected %d)\n", \
res, AST_JB_IMPL_OK); \
return AST_TEST_FAIL; \
} \
\
res = jb->impl->remove(jb->jbobj, &actual_frame); \
if (!actual_frame || res != AST_JB_IMPL_OK) { \
ast_test_status_update(test, "Error: failed to retrieve first frame\n"); \
return AST_TEST_FAIL; \
} \
expected_frame = create_test_frame(1000, 0); \
VERIFY_FRAME(actual_frame, expected_frame); \
return AST_TEST_PASS; \
}
/*! \internal \brief Test putting a voice frames into a jitter buffer
* \param type_name The enum type of the jitter buffer to create
* \param literal_type_name The literal name of the type - "fixed" or "adaptive"
*/
#define test_put(type_name, literal_type_name) AST_TEST_DEFINE(TEST_NAME(type_name, put)) {\
RAII_VAR(struct ast_jb *, jb, &default_jb, dispose_jitterbuffer); \
const struct ast_jb_impl *impl; \
struct ast_jb_conf conf; \
RAII_VAR(struct ast_frame *, expected_frame, NULL, ast_frame_dtor); \
RAII_VAR(struct ast_frame *, actual_frame, NULL, ast_frame_dtor); \
int res; \
long next; \
int i; \
\
switch (cmd) { \
case TEST_INIT: \
info->name = STRINGIFY_TESTNAME(TEST_NAME(type_name, put)); \
info->category = "/main/abstract_jb/"; \
info->summary = "Test putting frames onto a " literal_type_name " jitterbuffer"; \
info->description = \
"This tests putting multiple frames into a " literal_type_name " jitterbuffer"; \
return AST_TEST_NOT_RUN; \
case TEST_EXECUTE: \
break; \
} \
\
ast_test_status_update(test, "Executing "STRINGIFY_TESTNAME(TEST_NAME(type_name, put))"...\n"); \
OBTAIN_JITTERBUFFER_IMPL(impl, (type_name), (literal_type_name)); \
MAKE_DEFAULT_CONFIG(&conf, impl); \
jb->jbobj = impl->create(&conf); \
jb->impl = impl; \
\
expected_frame = create_test_frame(1000, 0); \
jb->impl->put_first(jb->jbobj, expected_frame, 1100); \
for (i = 1; i < 10; i++) { \
expected_frame = create_test_frame(1000 + i * DEFAULT_FRAME_MS, 0); \
res = jb->impl->put(jb->jbobj, \
expected_frame, \
1100 + i * DEFAULT_FRAME_MS); \
if (res != AST_JB_IMPL_OK) { \
ast_test_status_update(test, "Error: On frame %d, got %d back from put (expected %d)\n", \
i, res, AST_JB_IMPL_OK); \
return AST_TEST_FAIL; \
} \
} \
\
for (i = 0; i < 10; i++) { \
expected_frame = create_test_frame(1000 + i * DEFAULT_FRAME_MS, 0); \
next = jb->impl->next(jb->jbobj); \
res = jb->impl->get(jb->jbobj, &actual_frame, next, DEFAULT_FRAME_MS); \
if (res != AST_JB_IMPL_OK) { \
ast_test_status_update(test, "Error: failed to retrieve frame %i at time %ld\n", \
i, next); \
return AST_TEST_FAIL; \
} \
VERIFY_FRAME(actual_frame, expected_frame); \
ast_frfree(expected_frame); \
expected_frame = NULL; \
} \
return AST_TEST_PASS; \
}
/*! \internal \brief Test overflowing the limits of a jitter buffer
* \param type_name The enum type of the jitter buffer to create
* \param literal_type_name The literal name of the type - "fixed" or "adaptive"
* \param overflow_limit The number of frames at which we expect the buffer to overflow
*/
#define test_put_overflow(type_name, literal_type_name, overflow_limit) AST_TEST_DEFINE(TEST_NAME(type_name, put_overflow)) {\
RAII_VAR(struct ast_jb *, jb, &default_jb, dispose_jitterbuffer); \
const struct ast_jb_impl *impl; \
struct ast_jb_conf conf; \
RAII_VAR(struct ast_frame *, expected_frame, NULL, ast_frame_dtor); \
int res; \
int i; \
\
switch (cmd) { \
case TEST_INIT: \
info->name = STRINGIFY_TESTNAME(TEST_NAME(type_name, put_overflow)); \
info->category = "/main/abstract_jb/"; \
info->summary = "Test putting frames onto a " literal_type_name " jitterbuffer " \
"that ends up overflowing the maximum allowed slots in the buffer"; \
info->description = \
"This tests putting multiple frames into a " literal_type_name " jitterbuffer " \
"until the jitterbuffer overflows"; \
return AST_TEST_NOT_RUN; \
case TEST_EXECUTE: \
break; \
} \
\
ast_test_status_update(test, "Executing "STRINGIFY_TESTNAME(TEST_NAME(type_name, put_overflow))"...\n"); \
OBTAIN_JITTERBUFFER_IMPL(impl, (type_name), (literal_type_name)); \
MAKE_DEFAULT_CONFIG(&conf, impl); \
jb->jbobj = impl->create(&conf); \
jb->impl = impl; \
\
expected_frame = create_test_frame(1000, 0); \
jb->impl->put_first(jb->jbobj, expected_frame, 1100); \
for (i = 1; i <= (overflow_limit); i++) { \
expected_frame = create_test_frame(1000 + i * DEFAULT_FRAME_MS, 0); \
res = jb->impl->put(jb->jbobj, \
expected_frame, \
1100 + i * DEFAULT_FRAME_MS); \
if (res != AST_JB_IMPL_OK) { \
ast_test_status_update(test, "Error: On frame %d, got %d back from put (expected %d)\n", \
i, res, AST_JB_IMPL_OK); \
return AST_TEST_FAIL; \
} \
} \
\
for (i = (overflow_limit)+1; i < (overflow_limit) + 5; i++) { \
expected_frame = create_test_frame(1000 + i * DEFAULT_FRAME_MS, 0); \
res = jb->impl->put(jb->jbobj, \
expected_frame, \
1100 + i * DEFAULT_FRAME_MS); \
if (res != AST_JB_IMPL_DROP) { \
expected_frame = NULL; \
ast_test_status_update(test, "Error: On frame %d, got %d back from put (expected %d)\n", \
i, res, AST_JB_IMPL_DROP); \
return AST_TEST_FAIL; \
} \
ast_frfree(expected_frame); \
expected_frame = NULL;\
} \
\
return AST_TEST_PASS; \
}
/*! \internal \brief Test putting voice frames into a jitter buffer out of order
* \param type_name The enum type of the jitter buffer to create
* \param literal_type_name The literal name of the type - "fixed" or "adaptive"
* \param synch_limit The synchronization limit for this particular type of jitter buffer
*/
#define test_put_out_of_order(type_name, literal_type_name, synch_limit) AST_TEST_DEFINE(TEST_NAME(type_name, put_out_of_order)) {\
RAII_VAR(struct ast_jb *, jb, &default_jb, dispose_jitterbuffer); \
const struct ast_jb_impl *impl; \
struct ast_jb_conf conf; \
RAII_VAR(struct ast_frame *, actual_frame, NULL, ast_frame_dtor); \
RAII_VAR(struct ast_frame *, expected_frame, NULL, ast_frame_dtor); \
int res; \
long next; \
int i; \
\
switch (cmd) { \
case TEST_INIT: \
info->name = STRINGIFY_TESTNAME(TEST_NAME(type_name, put_out_of_order)); \
info->category = "/main/abstract_jb/"; \
info->summary = "Test putting out of order frames onto a " literal_type_name " jitterbuffer"; \
info->description = \
"This tests putting multiple frames into a " literal_type_name " jitterbuffer " \
"that arrive out of order. Every 3rd frame is put in out of order."; \
return AST_TEST_NOT_RUN; \
case TEST_EXECUTE: \
break; \
} \
\
ast_test_status_update(test, "Executing " STRINGIFY_TESTNAME(TEST_NAME(type_name, put_out_of_order)) "...\n"); \
OBTAIN_JITTERBUFFER_IMPL(impl, (type_name), (literal_type_name)); \
MAKE_DEFAULT_CONFIG(&conf, impl); \
conf.resync_threshold = (synch_limit); \
jb->jbobj = impl->create(&conf); \
jb->impl = impl; \
\
expected_frame = create_test_frame(1000, 0); \
jb->impl->put_first(jb->jbobj, expected_frame, 1100); \
for (i = 1; i <= 10; i++) { \
if (i % 3 == 1 && i != 10) { \
expected_frame = create_test_frame(1000 + ((i + 1) * DEFAULT_FRAME_MS), 0); \
} else if (i % 3 == 2) { \
expected_frame = create_test_frame(1000 + ((i - 1) * DEFAULT_FRAME_MS), 0); \
} else { \
expected_frame = create_test_frame(1000 + i * DEFAULT_FRAME_MS, 0); \
} \
res = jb->impl->put(jb->jbobj, \
expected_frame, \
1100 + i * DEFAULT_FRAME_MS); \
if (res != AST_JB_IMPL_OK) { \
ast_test_status_update(test, "Error: On frame %d, got %d back from put (expected %d)\n", \
i, res, AST_JB_IMPL_OK); \
return AST_TEST_FAIL; \
} \
} \
\
for (i = 0; i <= 10; i++) { \
expected_frame = create_test_frame(1000 + i * DEFAULT_FRAME_MS, 0); \
next = jb->impl->next(jb->jbobj); \
res = jb->impl->get(jb->jbobj, &actual_frame, next, DEFAULT_FRAME_MS); \
if (res != AST_JB_IMPL_OK) { \
ast_test_status_update(test, "Error: failed to retrieve frame at %ld\n", \
next); \
return AST_TEST_FAIL; \
} \
VERIFY_FRAME(actual_frame, expected_frame); \
ast_frfree(expected_frame); \
expected_frame = NULL; \
} \
\
return AST_TEST_PASS; \
}
test_create_nominal(AST_JB_ADAPTIVE, "adaptive")
test_put_first(AST_JB_ADAPTIVE, "adaptive")
test_put(AST_JB_ADAPTIVE, "adaptive")
test_put_overflow(AST_JB_ADAPTIVE, "adaptive", 10)
test_put_out_of_order(AST_JB_ADAPTIVE, "adaptive", DEFAULT_FRAME_MS * 2)
test_create_nominal(AST_JB_FIXED, "fixed")
test_put_first(AST_JB_FIXED, "fixed")
test_put(AST_JB_FIXED, "fixed")
test_put_overflow(AST_JB_FIXED, "fixed", 12)
test_put_out_of_order(AST_JB_FIXED, "fixed", DEFAULT_CONFIG_RESYNC_THRESHOLD)
static int unload_module(void)
{
AST_TEST_UNREGISTER(TEST_NAME(AST_JB_ADAPTIVE, create));
AST_TEST_UNREGISTER(TEST_NAME(AST_JB_ADAPTIVE, put_first));
AST_TEST_UNREGISTER(TEST_NAME(AST_JB_ADAPTIVE, put));
AST_TEST_UNREGISTER(TEST_NAME(AST_JB_ADAPTIVE, put_overflow));
AST_TEST_UNREGISTER(TEST_NAME(AST_JB_ADAPTIVE, put_out_of_order));
AST_TEST_UNREGISTER(TEST_NAME(AST_JB_FIXED, create));
AST_TEST_UNREGISTER(TEST_NAME(AST_JB_FIXED, put_first));
AST_TEST_UNREGISTER(TEST_NAME(AST_JB_FIXED, put));
AST_TEST_UNREGISTER(TEST_NAME(AST_JB_FIXED, put_overflow));
AST_TEST_UNREGISTER(TEST_NAME(AST_JB_FIXED, put_out_of_order));
return 0;
}
static int load_module(void)
{
AST_TEST_REGISTER(TEST_NAME(AST_JB_ADAPTIVE, create));
AST_TEST_REGISTER(TEST_NAME(AST_JB_ADAPTIVE, put_first));
AST_TEST_REGISTER(TEST_NAME(AST_JB_ADAPTIVE, put));
AST_TEST_REGISTER(TEST_NAME(AST_JB_ADAPTIVE, put_overflow));
AST_TEST_REGISTER(TEST_NAME(AST_JB_ADAPTIVE, put_out_of_order));
AST_TEST_REGISTER(TEST_NAME(AST_JB_FIXED, create));
AST_TEST_REGISTER(TEST_NAME(AST_JB_FIXED, put_first));
AST_TEST_REGISTER(TEST_NAME(AST_JB_FIXED, put));
AST_TEST_REGISTER(TEST_NAME(AST_JB_FIXED, put_overflow));
AST_TEST_REGISTER(TEST_NAME(AST_JB_FIXED, put_out_of_order));
return AST_MODULE_LOAD_SUCCESS;
}
AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Abstract JitterBuffer API Tests");
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