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/*
*
* 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 */
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