| /* |
| * |
| * Copyright 2015, 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. |
| * |
| */ |
| |
| /* Test gRPC event manager with a simple TCP upload server and client. */ |
| #include "src/core/iomgr/alarm.h" |
| |
| #include <ctype.h> |
| #include <errno.h> |
| #include <fcntl.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/log.h> |
| #include <grpc/support/sync.h> |
| #include <grpc/support/time.h> |
| #include "test/core/util/test_config.h" |
| |
| #define SUCCESS_NOT_SET (-1) |
| |
| /* Dummy gRPC callback */ |
| void no_op_cb(void *arg, int success) {} |
| |
| typedef struct { |
| gpr_cv cv; |
| gpr_mu mu; |
| int counter; |
| int done_success_ctr; |
| int done_cancel_ctr; |
| int done; |
| gpr_event fcb_arg; |
| int success; |
| } alarm_arg; |
| |
| static void followup_cb(void *arg, int success) { |
| gpr_event_set((gpr_event *)arg, arg); |
| } |
| |
| /* Called when an alarm expires. */ |
| static void alarm_cb(void *arg /* alarm_arg */, int success) { |
| alarm_arg *a = arg; |
| gpr_mu_lock(&a->mu); |
| if (success) { |
| a->counter++; |
| a->done_success_ctr++; |
| } else { |
| a->done_cancel_ctr++; |
| } |
| a->done = 1; |
| a->success = success; |
| gpr_cv_signal(&a->cv); |
| gpr_mu_unlock(&a->mu); |
| grpc_iomgr_add_callback(followup_cb, &a->fcb_arg); |
| } |
| |
| /* Test grpc_alarm add and cancel. */ |
| static void test_grpc_alarm(void) { |
| grpc_alarm alarm; |
| grpc_alarm alarm_to_cancel; |
| /* Timeout on the alarm cond. var, so make big enough to absorb time |
| deviations. Otherwise, operations after wait will not be properly ordered |
| */ |
| gpr_timespec alarm_deadline; |
| gpr_timespec followup_deadline; |
| |
| alarm_arg arg; |
| alarm_arg arg2; |
| void *fdone; |
| |
| grpc_iomgr_init(); |
| |
| arg.counter = 0; |
| arg.success = SUCCESS_NOT_SET; |
| arg.done_success_ctr = 0; |
| arg.done_cancel_ctr = 0; |
| arg.done = 0; |
| gpr_mu_init(&arg.mu); |
| gpr_cv_init(&arg.cv); |
| gpr_event_init(&arg.fcb_arg); |
| |
| grpc_alarm_init(&alarm, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(100), alarm_cb, &arg, |
| gpr_now()); |
| |
| alarm_deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1); |
| gpr_mu_lock(&arg.mu); |
| while (arg.done == 0) { |
| if (gpr_cv_wait(&arg.cv, &arg.mu, alarm_deadline)) { |
| gpr_log(GPR_ERROR, "alarm deadline exceeded"); |
| break; |
| } |
| } |
| gpr_mu_unlock(&arg.mu); |
| |
| followup_deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5); |
| fdone = gpr_event_wait(&arg.fcb_arg, followup_deadline); |
| |
| if (arg.counter != 1) { |
| gpr_log(GPR_ERROR, "Alarm callback not called"); |
| GPR_ASSERT(0); |
| } else if (arg.done_success_ctr != 1) { |
| gpr_log(GPR_ERROR, "Alarm done callback not called with success"); |
| GPR_ASSERT(0); |
| } else if (arg.done_cancel_ctr != 0) { |
| gpr_log(GPR_ERROR, "Alarm done callback called with cancel"); |
| GPR_ASSERT(0); |
| } else if (arg.success == SUCCESS_NOT_SET) { |
| gpr_log(GPR_ERROR, "Alarm callback without status"); |
| GPR_ASSERT(0); |
| } else { |
| gpr_log(GPR_INFO, "Alarm callback called successfully"); |
| } |
| |
| if (fdone != (void *)&arg.fcb_arg) { |
| gpr_log(GPR_ERROR, "Followup callback #1 not invoked properly %p %p", fdone, |
| &arg.fcb_arg); |
| GPR_ASSERT(0); |
| } |
| gpr_cv_destroy(&arg.cv); |
| gpr_mu_destroy(&arg.mu); |
| |
| arg2.counter = 0; |
| arg2.success = SUCCESS_NOT_SET; |
| arg2.done_success_ctr = 0; |
| arg2.done_cancel_ctr = 0; |
| arg2.done = 0; |
| gpr_mu_init(&arg2.mu); |
| gpr_cv_init(&arg2.cv); |
| gpr_event_init(&arg2.fcb_arg); |
| |
| grpc_alarm_init(&alarm_to_cancel, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(100), |
| alarm_cb, &arg2, gpr_now()); |
| grpc_alarm_cancel(&alarm_to_cancel); |
| |
| alarm_deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1); |
| gpr_mu_lock(&arg2.mu); |
| while (arg2.done == 0) { |
| gpr_cv_wait(&arg2.cv, &arg2.mu, alarm_deadline); |
| } |
| gpr_mu_unlock(&arg2.mu); |
| |
| gpr_log(GPR_INFO, "alarm done = %d", arg2.done); |
| |
| followup_deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5); |
| fdone = gpr_event_wait(&arg2.fcb_arg, followup_deadline); |
| |
| if (arg2.counter != arg2.done_success_ctr) { |
| gpr_log(GPR_ERROR, "Alarm callback called but didn't lead to done success"); |
| GPR_ASSERT(0); |
| } else if (arg2.done_success_ctr && arg2.done_cancel_ctr) { |
| gpr_log(GPR_ERROR, "Alarm done callback called with success and cancel"); |
| GPR_ASSERT(0); |
| } else if (arg2.done_cancel_ctr + arg2.done_success_ctr != 1) { |
| gpr_log(GPR_ERROR, "Alarm done callback called incorrect number of times"); |
| GPR_ASSERT(0); |
| } else if (arg2.success == SUCCESS_NOT_SET) { |
| gpr_log(GPR_ERROR, "Alarm callback without status"); |
| GPR_ASSERT(0); |
| } else if (arg2.done_success_ctr) { |
| gpr_log(GPR_INFO, "Alarm callback executed before cancel"); |
| gpr_log(GPR_INFO, "Current value of triggered is %d\n", |
| alarm_to_cancel.triggered); |
| } else if (arg2.done_cancel_ctr) { |
| gpr_log(GPR_INFO, "Alarm callback canceled"); |
| gpr_log(GPR_INFO, "Current value of triggered is %d\n", |
| alarm_to_cancel.triggered); |
| } else { |
| gpr_log(GPR_ERROR, "Alarm cancel test should not be here"); |
| GPR_ASSERT(0); |
| } |
| |
| if (fdone != (void *)&arg2.fcb_arg) { |
| gpr_log(GPR_ERROR, "Followup callback #2 not invoked properly %p %p", fdone, |
| &arg2.fcb_arg); |
| GPR_ASSERT(0); |
| } |
| gpr_cv_destroy(&arg2.cv); |
| gpr_mu_destroy(&arg2.mu); |
| |
| grpc_iomgr_shutdown(); |
| } |
| |
| int main(int argc, char **argv) { |
| grpc_test_init(argc, argv); |
| test_grpc_alarm(); |
| return 0; |
| } |