| /* |
| * |
| * 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 */ |