diff options
author | John Snow <jsnow@redhat.com> | 2018-03-10 03:27:46 -0500 |
---|---|---|
committer | Kevin Wolf <kwolf@redhat.com> | 2018-03-19 12:01:24 +0100 |
commit | fb367e039fca2ac95a4e06dce22108f76cd4d232 (patch) | |
tree | 58f7fc82103d29ba469fa1b8269c4a4ba1de33c3 /tests/test-blockjob.c | |
parent | 6d8be9676278ae41c79bfde820fbccbd021e5ac2 (diff) |
tests/test-blockjob: test cancellations
Whatever the state a blockjob is in, it should be able to be canceled
by the block layer.
Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'tests/test-blockjob.c')
-rw-r--r-- | tests/test-blockjob.c | 233 |
1 files changed, 229 insertions, 4 deletions
diff --git a/tests/test-blockjob.c b/tests/test-blockjob.c index 599e28d732..8946bfd37b 100644 --- a/tests/test-blockjob.c +++ b/tests/test-blockjob.c @@ -24,14 +24,15 @@ static void block_job_cb(void *opaque, int ret) { } -static BlockJob *do_test_id(BlockBackend *blk, const char *id, - bool should_succeed) +static BlockJob *mk_job(BlockBackend *blk, const char *id, + const BlockJobDriver *drv, bool should_succeed, + int flags) { BlockJob *job; Error *errp = NULL; - job = block_job_create(id, &test_block_job_driver, NULL, blk_bs(blk), - 0, BLK_PERM_ALL, 0, BLOCK_JOB_DEFAULT, block_job_cb, + job = block_job_create(id, drv, NULL, blk_bs(blk), + 0, BLK_PERM_ALL, 0, flags, block_job_cb, NULL, &errp); if (should_succeed) { g_assert_null(errp); @@ -50,6 +51,13 @@ static BlockJob *do_test_id(BlockBackend *blk, const char *id, return job; } +static BlockJob *do_test_id(BlockBackend *blk, const char *id, + bool should_succeed) +{ + return mk_job(blk, id, &test_block_job_driver, + should_succeed, BLOCK_JOB_DEFAULT); +} + /* This creates a BlockBackend (optionally with a name) with a * BlockDriverState inserted. */ static BlockBackend *create_blk(const char *name) @@ -142,6 +150,216 @@ static void test_job_ids(void) destroy_blk(blk[2]); } +typedef struct CancelJob { + BlockJob common; + BlockBackend *blk; + bool should_converge; + bool should_complete; + bool completed; +} CancelJob; + +static void cancel_job_completed(BlockJob *job, void *opaque) +{ + CancelJob *s = opaque; + s->completed = true; + block_job_completed(job, 0); +} + +static void cancel_job_complete(BlockJob *job, Error **errp) +{ + CancelJob *s = container_of(job, CancelJob, common); + s->should_complete = true; +} + +static void coroutine_fn cancel_job_start(void *opaque) +{ + CancelJob *s = opaque; + + while (!s->should_complete) { + if (block_job_is_cancelled(&s->common)) { + goto defer; + } + + if (!s->common.ready && s->should_converge) { + block_job_event_ready(&s->common); + } + + block_job_sleep_ns(&s->common, 100000); + } + + defer: + block_job_defer_to_main_loop(&s->common, cancel_job_completed, s); +} + +static const BlockJobDriver test_cancel_driver = { + .instance_size = sizeof(CancelJob), + .start = cancel_job_start, + .complete = cancel_job_complete, +}; + +static CancelJob *create_common(BlockJob **pjob) +{ + BlockBackend *blk; + BlockJob *job; + CancelJob *s; + + blk = create_blk(NULL); + job = mk_job(blk, "Steve", &test_cancel_driver, true, + BLOCK_JOB_MANUAL_FINALIZE | BLOCK_JOB_MANUAL_DISMISS); + block_job_ref(job); + assert(job->status == BLOCK_JOB_STATUS_CREATED); + s = container_of(job, CancelJob, common); + s->blk = blk; + + *pjob = job; + return s; +} + +static void cancel_common(CancelJob *s) +{ + BlockJob *job = &s->common; + BlockBackend *blk = s->blk; + BlockJobStatus sts = job->status; + + block_job_cancel_sync(job); + if ((sts != BLOCK_JOB_STATUS_CREATED) && + (sts != BLOCK_JOB_STATUS_CONCLUDED)) { + BlockJob *dummy = job; + block_job_dismiss(&dummy, &error_abort); + } + assert(job->status == BLOCK_JOB_STATUS_NULL); + block_job_unref(job); + destroy_blk(blk); +} + +static void test_cancel_created(void) +{ + BlockJob *job; + CancelJob *s; + + s = create_common(&job); + cancel_common(s); +} + +static void test_cancel_running(void) +{ + BlockJob *job; + CancelJob *s; + + s = create_common(&job); + + block_job_start(job); + assert(job->status == BLOCK_JOB_STATUS_RUNNING); + + cancel_common(s); +} + +static void test_cancel_paused(void) +{ + BlockJob *job; + CancelJob *s; + + s = create_common(&job); + + block_job_start(job); + assert(job->status == BLOCK_JOB_STATUS_RUNNING); + + block_job_user_pause(job, &error_abort); + block_job_enter(job); + assert(job->status == BLOCK_JOB_STATUS_PAUSED); + + cancel_common(s); +} + +static void test_cancel_ready(void) +{ + BlockJob *job; + CancelJob *s; + + s = create_common(&job); + + block_job_start(job); + assert(job->status == BLOCK_JOB_STATUS_RUNNING); + + s->should_converge = true; + block_job_enter(job); + assert(job->status == BLOCK_JOB_STATUS_READY); + + cancel_common(s); +} + +static void test_cancel_standby(void) +{ + BlockJob *job; + CancelJob *s; + + s = create_common(&job); + + block_job_start(job); + assert(job->status == BLOCK_JOB_STATUS_RUNNING); + + s->should_converge = true; + block_job_enter(job); + assert(job->status == BLOCK_JOB_STATUS_READY); + + block_job_user_pause(job, &error_abort); + block_job_enter(job); + assert(job->status == BLOCK_JOB_STATUS_STANDBY); + + cancel_common(s); +} + +static void test_cancel_pending(void) +{ + BlockJob *job; + CancelJob *s; + + s = create_common(&job); + + block_job_start(job); + assert(job->status == BLOCK_JOB_STATUS_RUNNING); + + s->should_converge = true; + block_job_enter(job); + assert(job->status == BLOCK_JOB_STATUS_READY); + + block_job_complete(job, &error_abort); + block_job_enter(job); + while (!s->completed) { + aio_poll(qemu_get_aio_context(), true); + } + assert(job->status == BLOCK_JOB_STATUS_PENDING); + + cancel_common(s); +} + +static void test_cancel_concluded(void) +{ + BlockJob *job; + CancelJob *s; + + s = create_common(&job); + + block_job_start(job); + assert(job->status == BLOCK_JOB_STATUS_RUNNING); + + s->should_converge = true; + block_job_enter(job); + assert(job->status == BLOCK_JOB_STATUS_READY); + + block_job_complete(job, &error_abort); + block_job_enter(job); + while (!s->completed) { + aio_poll(qemu_get_aio_context(), true); + } + assert(job->status == BLOCK_JOB_STATUS_PENDING); + + block_job_finalize(job, &error_abort); + assert(job->status == BLOCK_JOB_STATUS_CONCLUDED); + + cancel_common(s); +} + int main(int argc, char **argv) { qemu_init_main_loop(&error_abort); @@ -149,5 +367,12 @@ int main(int argc, char **argv) g_test_init(&argc, &argv, NULL); g_test_add_func("/blockjob/ids", test_job_ids); + g_test_add_func("/blockjob/cancel/created", test_cancel_created); + g_test_add_func("/blockjob/cancel/running", test_cancel_running); + g_test_add_func("/blockjob/cancel/paused", test_cancel_paused); + g_test_add_func("/blockjob/cancel/ready", test_cancel_ready); + g_test_add_func("/blockjob/cancel/standby", test_cancel_standby); + g_test_add_func("/blockjob/cancel/pending", test_cancel_pending); + g_test_add_func("/blockjob/cancel/concluded", test_cancel_concluded); return g_test_run(); } |