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Tweak caching topics to fix CEL tests

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The Stasis changes in r395954 had an unanticipated side effect: messages
published directly to an _all topic does not get forwarded to the
corresponding caching topic.

This patch fixes that by changing how caching topics forward messages,
and how the caching pattern forwards are setup.

For the caching pattern, the all_topic is forwarded to the
all_topic_cached. This forwards messages published directly to the
all_topic to all_topic_cached.

In order to avoid duplicate messages on all_topic_cached, caching topics
were changed to no longer forward uncached messages. Subscribers to an
individual caching topic should only expect to receive cache updates,
and subscription change messages. Since individual caching topics are
new, this shouldn't be a problem.

There are a few minor changes to the pre-cache split behavior.

 * For topics changed to use the caching pattern, the all_topic_cached
   will forward snapshots in addition to cache updates. Since
   subscribers by design ignore unexpected messages, this should be
   fine.

 * Caching topics that don't use the caching pattern no longer forward
   non-cache updates. This makes no difference for the current caching
   topics.

   * mwi_topic_cached, channel_by_name_topic and
     presence_state_topic_cached have no subscribers

   * device_state_topic_cached's only subscriber only processes cache
     udpates

(issue ASTERISK-22243)
Review: https://reviewboard.asterisk.org/r/2738


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@396329 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
David M. Lee
2013-08-06 14:28:23 +00:00
parent dfa5be76d4
commit b97d318b7b
4 changed files with 40 additions and 40 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
tests/test_stasis.c
View File

@@ -610,7 +610,7 @@ static const char *cache_test_data_id(struct stasis_message *message) {
return cachable->id;
}
AST_TEST_DEFINE(cache_passthrough)
AST_TEST_DEFINE(cache_filter)
{
RAII_VAR(struct stasis_message_type *, non_cache_type, NULL, ao2_cleanup);
RAII_VAR(struct stasis_topic *, topic, NULL, ao2_cleanup);
@@ -620,14 +620,13 @@ AST_TEST_DEFINE(cache_passthrough)
RAII_VAR(struct stasis_subscription *, sub, NULL, stasis_unsubscribe);
RAII_VAR(struct stasis_message *, test_message, NULL, ao2_cleanup);
int actual_len;
struct stasis_message_type *actual_type;
switch (cmd) {
case TEST_INIT:
info->name = __func__;
info->category = test_category;
info->summary = "Test passing messages through cache topic unscathed.";
info->description = "Test passing messages through cache topic unscathed.";
info->summary = "Test caching topics only forward cache_update messages.";
info->description = "Test caching topics only forward cache_update messages.";
return AST_TEST_NOT_RUN;
case TEST_EXECUTE:
break;
@@ -652,13 +651,8 @@ AST_TEST_DEFINE(cache_passthrough)
stasis_publish(topic, test_message);
actual_len = consumer_wait_for(consumer, 1);
ast_test_validate(test, 1 == actual_len);
actual_type = stasis_message_type(consumer->messages_rxed[0]);
ast_test_validate(test, non_cache_type == actual_type);
ast_test_validate(test, test_message == consumer->messages_rxed[0]);
actual_len = consumer_should_stay(consumer, 0);
ast_test_validate(test, 0 == actual_len);
return AST_TEST_PASS;
}
@@ -1113,8 +1107,9 @@ AST_TEST_DEFINE(router_cache_updates)
ast_test_validate(test, 1 == actual_len);
actual_len = consumer_wait_for(consumer2, 1);
ast_test_validate(test, 1 == actual_len);
actual_len = consumer_wait_for(consumer3, 1);
ast_test_validate(test, 1 == actual_len);
/* Uncacheable message should not be passed through */
actual_len = consumer_should_stay(consumer3, 0);
ast_test_validate(test, 0 == actual_len);
actual = consumer1->messages_rxed[0];
ast_test_validate(test, stasis_cache_update_type() == stasis_message_type(actual));
@@ -1128,9 +1123,6 @@ AST_TEST_DEFINE(router_cache_updates)
ast_test_validate(test, test_message_type2 == update->type);
ast_test_validate(test, test_message2 == update->new_snapshot);
actual = consumer3->messages_rxed[0];
ast_test_validate(test, test_message3 == actual);
/* consumer1 and consumer2 do not get the final message. */
ao2_cleanup(consumer1);
ao2_cleanup(consumer2);
@@ -1287,7 +1279,7 @@ static int unload_module(void)
AST_TEST_UNREGISTER(publish);
AST_TEST_UNREGISTER(unsubscribe_stops_messages);
AST_TEST_UNREGISTER(forward);
AST_TEST_UNREGISTER(cache_passthrough);
AST_TEST_UNREGISTER(cache_filter);
AST_TEST_UNREGISTER(cache);
AST_TEST_UNREGISTER(cache_dump);
AST_TEST_UNREGISTER(route_conflicts);
@@ -1309,7 +1301,7 @@ static int load_module(void)
AST_TEST_REGISTER(publish);
AST_TEST_REGISTER(unsubscribe_stops_messages);
AST_TEST_REGISTER(forward);
AST_TEST_REGISTER(cache_passthrough);
AST_TEST_REGISTER(cache_filter);
AST_TEST_REGISTER(cache);
AST_TEST_REGISTER(cache_dump);
AST_TEST_REGISTER(route_conflicts);