diff options
Diffstat (limited to 'test/core/end2end/cq_verifier_uv.c')
-rw-r--r-- | test/core/end2end/cq_verifier_uv.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/test/core/end2end/cq_verifier_uv.c b/test/core/end2end/cq_verifier_uv.c new file mode 100644 index 0000000000..2b5a2ca495 --- /dev/null +++ b/test/core/end2end/cq_verifier_uv.c @@ -0,0 +1,112 @@ +/* + * + * Copyright 2016, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include <grpc/support/port_platform.h> + +#ifdef GRPC_UV + +#include <uv.h> + +#include <grpc/support/alloc.h> +#include <grpc/support/log.h> + +#include "test/core/end2end/cq_verifier_internal.h" + +typedef enum timer_state { + TIMER_STARTED, + TIMER_TRIGGERED, + TIMER_CLOSED +} timer_state; + +/* the verifier itself */ +struct cq_verifier { + /* bound completion queue */ + grpc_completion_queue *cq; + /* start of expectation list */ + expectation *first_expectation; + uv_timer_t timer; +}; + +cq_verifier *cq_verifier_create(grpc_completion_queue *cq) { + cq_verifier *v = gpr_malloc(sizeof(cq_verifier)); + v->cq = cq; + v->first_expectation = NULL; + uv_timer_init(uv_default_loop(), &v->timer); + v->timer.data = (void *)TIMER_STARTED; + return v; +} + +static void timer_close_cb(uv_handle_t *handle) { + handle->data = (void *)TIMER_CLOSED; +} + +void cq_verifier_destroy(cq_verifier *v) { + cq_verify(v); + uv_close((uv_handle_t *)&v->timer, timer_close_cb); + while ((timer_state)v->timer.data != TIMER_CLOSED) { + uv_run(uv_default_loop(), UV_RUN_NOWAIT); + } + gpr_free(v); +} + +expectation *cq_verifier_get_first_expectation(cq_verifier *v) { + return v->first_expectation; +} + +void cq_verifier_set_first_expectation(cq_verifier *v, expectation *e) { + v->first_expectation = e; +} + +static void timer_run_cb(uv_timer_t *timer) { + timer->data = (void *)TIMER_TRIGGERED; +} + +grpc_event cq_verifier_next_event(cq_verifier *v, int timeout_seconds) { + uint64_t timeout_ms = + timeout_seconds < 0 ? 0 : (uint64_t)timeout_seconds * 1000; + grpc_event ev; + v->timer.data = (void *)TIMER_STARTED; + uv_timer_start(&v->timer, timer_run_cb, timeout_ms, 0); + ev = grpc_completion_queue_next(v->cq, gpr_inf_past(GPR_CLOCK_MONOTONIC), + NULL); + // Stop the loop if the timer goes off or we get a non-timeout event + while (((timer_state)v->timer.data != TIMER_TRIGGERED) && + ev.type == GRPC_QUEUE_TIMEOUT) { + uv_run(uv_default_loop(), UV_RUN_ONCE); + ev = grpc_completion_queue_next(v->cq, gpr_inf_past(GPR_CLOCK_MONOTONIC), + NULL); + } + return ev; +} + +#endif /* GRPC_UV */ |