Esempio n. 1
0
// Writes the given number of records of random size (up to kMaxRecordSize) and
// random data to the specified log.
static void writer_thread(void* arg) {
  writer_thread_args* args = (writer_thread_args*)arg;
  // Maximum number of times to spin between writes.
  static const int MAX_SPIN_COUNT = 50;
  int records_written = 0;
  if (VERBOSE) {
    printf("   Writer %d starting\n", args->index);
  }
  while (records_written < args->num_records) {
    records_written += write_records_to_log(args->index, args->record_size,
                                            args->num_records - records_written,
                                            MAX_SPIN_COUNT);
    if (records_written < args->num_records) {
      // Ran out of log space. Sleep for a bit and let the reader catch up.
      // This should never happen for circular logs.
      if (VERBOSE) {
        printf(
            "   Writer %d stalled due to out-of-space: %d out of %d "
            "written\n",
            args->index, records_written, args->num_records);
      }
      gpr_sleep_until(GRPC_TIMEOUT_MILLIS_TO_DEADLINE(10));
    }
  }
  // Done. Decrement count and signal.
  gpr_mu_lock(args->mu);
  (*args->count)--;
  gpr_cv_signal(args->done);
  if (VERBOSE) {
    printf("   Writer %d done\n", args->index);
  }
  gpr_mu_unlock(args->mu);
}
Esempio n. 2
0
void drain_socket_blocking(int fd, size_t num_bytes, size_t read_size) {
  unsigned char *buf = malloc(read_size);
  ssize_t bytes_read;
  size_t bytes_left = num_bytes;
  int flags;
  int current = 0;
  int i;

  flags = fcntl(fd, F_GETFL, 0);
  GPR_ASSERT(fcntl(fd, F_SETFL, flags & ~O_NONBLOCK) == 0);

  for (;;) {
    grpc_pollset_worker worker;
    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
    grpc_pollset_work(&g_pollset, &worker, gpr_now(GPR_CLOCK_MONOTONIC),
                      GRPC_TIMEOUT_MILLIS_TO_DEADLINE(10));
    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
    do {
      bytes_read =
          read(fd, buf, bytes_left > read_size ? read_size : bytes_left);
    } while (bytes_read < 0 && errno == EINTR);
    GPR_ASSERT(bytes_read >= 0);
    for (i = 0; i < bytes_read; ++i) {
      GPR_ASSERT(buf[i] == current);
      current = (current + 1) % 256;
    }
    bytes_left -= bytes_read;
    if (bytes_left == 0) break;
  }
  flags = fcntl(fd, F_GETFL, 0);
  GPR_ASSERT(fcntl(fd, F_SETFL, flags | O_NONBLOCK) == 0);

  gpr_free(buf);
}
Esempio n. 3
0
static void verifier(grpc_server *server, grpc_completion_queue *cq) {
  while (grpc_server_has_open_connections(server)) {
    GPR_ASSERT(grpc_completion_queue_next(cq,
                                          GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20),
                                          NULL).type == GRPC_QUEUE_TIMEOUT);
  }
}
Esempio n. 4
0
/* Writes the given number of records of random size (up to kMaxRecordSize) and
   random data to the specified log. */
static void writer_thread(void *arg) {
  writer_thread_args *args = (writer_thread_args *)arg;
  /* Maximum number of times to spin between writes. */
  static const int32_t MAX_SPIN_COUNT = 50;
  int records_written = 0;
  printf("   Writer: %d\n", args->index);
  while (records_written < args->num_records) {
    records_written += write_records_to_log(args->index, args->record_size,
                                            args->num_records - records_written,
                                            MAX_SPIN_COUNT);
    if (records_written < args->num_records) {
      /* Ran out of log space. Sleep for a bit and let the reader catch up.
         This should never happen for circular logs. */
      printf("   Writer stalled due to out-of-space: %d out of %d written\n",
             records_written, args->num_records);
      gpr_sleep_until(GRPC_TIMEOUT_MILLIS_TO_DEADLINE(10));
    }
  }
  /* Done. Decrement count and signal. */
  gpr_mu_lock(args->mu);
  (*args->count)--;
  gpr_cv_broadcast(args->done);
  printf("   Writer done: %d\n", args->index);
  gpr_mu_unlock(args->mu);
}
void create_loop_destroy(void *addr) {
  for (int i = 0; i < NUM_OUTER_LOOPS; ++i) {
    grpc_completion_queue *cq = grpc_completion_queue_create(NULL);
    grpc_channel *chan = grpc_insecure_channel_create((char *)addr, NULL, NULL);

    for (int j = 0; j < NUM_INNER_LOOPS; ++j) {
      gpr_timespec later_time = GRPC_TIMEOUT_MILLIS_TO_DEADLINE(DELAY_MILLIS);
      grpc_connectivity_state state =
          grpc_channel_check_connectivity_state(chan, 1);
      grpc_channel_watch_connectivity_state(chan, state, later_time, cq, NULL);
      gpr_timespec poll_time = GRPC_TIMEOUT_MILLIS_TO_DEADLINE(POLL_MILLIS);
      GPR_ASSERT(grpc_completion_queue_next(cq, poll_time, NULL).type ==
                 GRPC_OP_COMPLETE);
    }
    grpc_channel_destroy(chan);
    grpc_completion_queue_destroy(cq);
  }
}
Esempio n. 6
0
void test_times_out(void) {
  struct sockaddr_in addr;
  socklen_t addr_len = sizeof(addr);
  int svr_fd;
#define NUM_CLIENT_CONNECTS 10
  int client_fd[NUM_CLIENT_CONNECTS];
  int i;
  int r;
  gpr_event ev;
  gpr_timespec connect_deadline;

  gpr_event_init(&ev);

  memset(&addr, 0, sizeof(addr));
  addr.sin_family = AF_INET;

  /* create a dummy server */
  svr_fd = socket(AF_INET, SOCK_STREAM, 0);
  GPR_ASSERT(svr_fd >= 0);
  GPR_ASSERT(0 == bind(svr_fd, (struct sockaddr *)&addr, addr_len));
  GPR_ASSERT(0 == listen(svr_fd, 1));
  /* Get its address */
  GPR_ASSERT(getsockname(svr_fd, (struct sockaddr *)&addr, &addr_len) == 0);

  /* tie up the listen buffer, which is somewhat arbitrarily sized. */
  for (i = 0; i < NUM_CLIENT_CONNECTS; ++i) {
    client_fd[i] = socket(AF_INET, SOCK_STREAM, 0);
    grpc_set_socket_nonblocking(client_fd[i], 1);
    do {
      r = connect(client_fd[i], (struct sockaddr *)&addr, addr_len);
    } while (r == -1 && errno == EINTR);
    GPR_ASSERT(r < 0);
    GPR_ASSERT(errno == EWOULDBLOCK || errno == EINPROGRESS);
  }

  /* connect to dummy server address */

  connect_deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1);

  grpc_tcp_client_connect(must_fail, &ev, (struct sockaddr *)&addr, addr_len,
                          connect_deadline);
  /* Make sure the event doesn't trigger early */
  GPR_ASSERT(!gpr_event_wait(&ev, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(500)));
  /* Now wait until it should have triggered */
  sleep(1);

  /* wait for the connection callback to finish */
  GPR_ASSERT(gpr_event_wait(&ev, test_deadline()));
  close(svr_fd);
  for (i = 0; i < NUM_CLIENT_CONNECTS; ++i) {
    close(client_fd[i]);
  }
}
static void test_too_many_plucks(void) {
  grpc_event ev;
  grpc_completion_queue *cc;
  void *tags[GRPC_MAX_COMPLETION_QUEUE_PLUCKERS];
  grpc_cq_completion completions[GPR_ARRAY_SIZE(tags)];
  gpr_thd_id thread_ids[GPR_ARRAY_SIZE(tags)];
  struct thread_state thread_states[GPR_ARRAY_SIZE(tags)];
  gpr_thd_options thread_options = gpr_thd_options_default();
  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
  unsigned i, j;

  LOG_TEST("test_too_many_plucks");

  cc = grpc_completion_queue_create(NULL);
  gpr_thd_options_set_joinable(&thread_options);

  for (i = 0; i < GPR_ARRAY_SIZE(tags); i++) {
    tags[i] = create_test_tag();
    for (j = 0; j < i; j++) {
      GPR_ASSERT(tags[i] != tags[j]);
    }
    thread_states[i].cc = cc;
    thread_states[i].tag = tags[i];
    gpr_thd_new(thread_ids + i, pluck_one, thread_states + i, &thread_options);
  }

  /* wait until all other threads are plucking */
  gpr_sleep_until(GRPC_TIMEOUT_MILLIS_TO_DEADLINE(1000));

  ev = grpc_completion_queue_pluck(cc, create_test_tag(),
                                   gpr_inf_future(GPR_CLOCK_REALTIME), NULL);
  GPR_ASSERT(ev.type == GRPC_QUEUE_TIMEOUT);

  for (i = 0; i < GPR_ARRAY_SIZE(tags); i++) {
    grpc_cq_begin_op(cc, tags[i]);
    grpc_cq_end_op(&exec_ctx, cc, tags[i], GRPC_ERROR_NONE,
                   do_nothing_end_completion, NULL, &completions[i]);
  }

  for (i = 0; i < GPR_ARRAY_SIZE(tags); i++) {
    gpr_thd_join(thread_ids[i]);
  }

  shutdown_and_destroy(cc);
  grpc_exec_ctx_finish(&exec_ctx);
}
Esempio n. 8
0
static void test_invoke_request_with_flags(
    grpc_end2end_test_config config, uint32_t *flags_for_op,
    grpc_call_error call_start_batch_expected_result) {
  grpc_call *c;
  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
  grpc_byte_buffer *request_payload =
      grpc_raw_byte_buffer_create(&request_payload_slice, 1);
  gpr_timespec deadline = GRPC_TIMEOUT_MILLIS_TO_DEADLINE(10);
  grpc_end2end_test_fixture f =
      begin_test(config, "test_invoke_request_with_flags", NULL, NULL);
  cq_verifier *cqv = cq_verifier_create(f.cq);
  grpc_op ops[6];
  grpc_op *op;
  grpc_metadata_array initial_metadata_recv;
  grpc_metadata_array trailing_metadata_recv;
  grpc_metadata_array request_metadata_recv;
  grpc_byte_buffer *request_payload_recv = NULL;
  grpc_call_details call_details;
  grpc_status_code status;
  grpc_call_error error;
  char *details = NULL;
  size_t details_capacity = 0;
  grpc_call_error expectation;

  c = grpc_channel_create_call(f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq,
                               "/foo", "foo.test.google.fr", deadline, NULL);
  GPR_ASSERT(c);

  grpc_metadata_array_init(&initial_metadata_recv);
  grpc_metadata_array_init(&trailing_metadata_recv);
  grpc_metadata_array_init(&request_metadata_recv);
  grpc_call_details_init(&call_details);

  op = ops;
  op->op = GRPC_OP_SEND_INITIAL_METADATA;
  op->data.send_initial_metadata.count = 0;
  op->flags = flags_for_op[op->op];
  op->reserved = NULL;
  op++;
  op->op = GRPC_OP_SEND_MESSAGE;
  op->data.send_message = request_payload;
  op->flags = flags_for_op[op->op];
  op->reserved = NULL;
  op++;
  op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
  op->flags = flags_for_op[op->op];
  op->reserved = NULL;
  op++;
  op->op = GRPC_OP_RECV_INITIAL_METADATA;
  op->data.recv_initial_metadata = &initial_metadata_recv;
  op->flags = flags_for_op[op->op];
  op->reserved = NULL;
  op++;
  op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
  op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
  op->data.recv_status_on_client.status = &status;
  op->data.recv_status_on_client.status_details = &details;
  op->data.recv_status_on_client.status_details_capacity = &details_capacity;
  op->flags = flags_for_op[op->op];
  op->reserved = NULL;
  op++;
  expectation = call_start_batch_expected_result;
  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
  GPR_ASSERT(expectation == error);

  if (expectation == GRPC_CALL_OK) {
    cq_expect_completion(cqv, tag(1), 1);
    cq_verify(cqv);
  }

  gpr_free(details);
  grpc_metadata_array_destroy(&initial_metadata_recv);
  grpc_metadata_array_destroy(&trailing_metadata_recv);
  grpc_metadata_array_destroy(&request_metadata_recv);
  grpc_call_details_destroy(&call_details);

  grpc_call_destroy(c);

  cq_verifier_destroy(cqv);

  grpc_byte_buffer_destroy(request_payload);
  grpc_byte_buffer_destroy(request_payload_recv);

  end_test(&f);
  config.tear_down_data(&f);
}
Esempio n. 9
0
/** Returns connection sequence (server indices), which must be freed */
static int *perform_request(servers_fixture *f, grpc_channel *client,
                            request_data *rdata, const test_spec *spec) {
  grpc_call *c;
  int s_idx;
  int *s_valid;
  grpc_op ops[6];
  grpc_op *op;
  int was_cancelled;
  size_t i, iter_num;
  grpc_event ev;
  int read_tag;
  int *connection_sequence;
  int completed_client;

  s_valid = gpr_malloc(sizeof(int) * f->num_servers);
  connection_sequence = gpr_malloc(sizeof(int) * spec->num_iters);

  for (iter_num = 0; iter_num < spec->num_iters; iter_num++) {
    cq_verifier *cqv = cq_verifier_create(f->cq);
    rdata->details = NULL;
    rdata->details_capacity = 0;
    was_cancelled = 2;

    for (i = 0; i < f->num_servers; i++) {
      if (spec->kill_at[iter_num][i] != 0) {
        kill_server(f, i);
      } else if (spec->revive_at[iter_num][i] != 0) {
        /* killing takes precedence */
        revive_server(f, rdata, i);
      }
    }

    connection_sequence[iter_num] = -1;
    grpc_metadata_array_init(&rdata->initial_metadata_recv);
    grpc_metadata_array_init(&rdata->trailing_metadata_recv);

    for (i = 0; i < f->num_servers; i++) {
      grpc_call_details_init(&rdata->call_details[i]);
    }
    memset(s_valid, 0, f->num_servers * sizeof(int));

    c = grpc_channel_create_call(client, NULL, GRPC_PROPAGATE_DEFAULTS, f->cq,
                                 "/foo", "foo.test.google.fr",
                                 gpr_inf_future(GPR_CLOCK_REALTIME), NULL);
    GPR_ASSERT(c);
    completed_client = 0;

    op = ops;
    op->op = GRPC_OP_SEND_INITIAL_METADATA;
    op->data.send_initial_metadata.count = 0;
    op->flags = 0;
    op->reserved = NULL;
    op++;
    op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
    op->flags = 0;
    op->reserved = NULL;
    op++;
    op->op = GRPC_OP_RECV_INITIAL_METADATA;
    op->data.recv_initial_metadata = &rdata->initial_metadata_recv;
    op->flags = 0;
    op->reserved = NULL;
    op++;
    op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
    op->data.recv_status_on_client.trailing_metadata =
        &rdata->trailing_metadata_recv;
    op->data.recv_status_on_client.status = &rdata->status;
    op->data.recv_status_on_client.status_details = &rdata->details;
    op->data.recv_status_on_client.status_details_capacity =
        &rdata->details_capacity;
    op->flags = 0;
    op->reserved = NULL;
    op++;
    GPR_ASSERT(GRPC_CALL_OK ==
               grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL));

    s_idx = -1;
    while ((ev = grpc_completion_queue_next(
                f->cq, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1), NULL))
               .type != GRPC_QUEUE_TIMEOUT) {
      GPR_ASSERT(ev.type == GRPC_OP_COMPLETE);
      read_tag = ((int)(gpr_intptr)ev.tag);
      gpr_log(GPR_DEBUG, "EVENT: success:%d, type:%d, tag:%d iter:%d",
              ev.success, ev.type, read_tag, iter_num);
      if (ev.success && read_tag >= 1000) {
        GPR_ASSERT(s_idx == -1); /* only one server must reply */
        /* only server notifications for non-shutdown events */
        s_idx = read_tag - 1000;
        s_valid[s_idx] = 1;
        connection_sequence[iter_num] = s_idx;
        break;
      } else if (read_tag == 1) {
        gpr_log(GPR_DEBUG, "client timed out");
        GPR_ASSERT(ev.success);
        completed_client = 1;
      }
    }

    if (s_idx >= 0) {
      op = ops;
      op->op = GRPC_OP_SEND_INITIAL_METADATA;
      op->data.send_initial_metadata.count = 0;
      op->flags = 0;
      op->reserved = NULL;
      op++;
      op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
      op->data.send_status_from_server.trailing_metadata_count = 0;
      op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
      op->data.send_status_from_server.status_details = "xyz";
      op->flags = 0;
      op->reserved = NULL;
      op++;
      op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
      op->data.recv_close_on_server.cancelled = &was_cancelled;
      op->flags = 0;
      op->reserved = NULL;
      op++;
      GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(f->server_calls[s_idx],
                                                       ops, (size_t)(op - ops),
                                                       tag(102), NULL));

      cq_expect_completion(cqv, tag(102), 1);
      if (!completed_client) {
        cq_expect_completion(cqv, tag(1), 1);
      }
      cq_verify(cqv);

      gpr_log(GPR_DEBUG, "status=%d; %s", rdata->status, rdata->details);
      GPR_ASSERT(rdata->status == GRPC_STATUS_UNIMPLEMENTED);
      GPR_ASSERT(0 == strcmp(rdata->details, "xyz"));
      GPR_ASSERT(0 == strcmp(rdata->call_details[s_idx].method, "/foo"));
      GPR_ASSERT(0 ==
                 strcmp(rdata->call_details[s_idx].host, "foo.test.google.fr"));
      GPR_ASSERT(was_cancelled == 1);

      grpc_call_destroy(f->server_calls[s_idx]);

      /* ask for the next request on this server */
      GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call(
                                     f->servers[s_idx], &f->server_calls[s_idx],
                                     &rdata->call_details[s_idx],
                                     &f->request_metadata_recv[s_idx], f->cq,
                                     f->cq, tag(1000 + (int)s_idx)));
    } else { /* no response from server */
      grpc_call_cancel(c, NULL);
      if (!completed_client) {
        cq_expect_completion(cqv, tag(1), 1);
        cq_verify(cqv);
      }
    }

    GPR_ASSERT(grpc_completion_queue_next(
        f->cq, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(200), NULL).type == GRPC_QUEUE_TIMEOUT);

    grpc_metadata_array_destroy(&rdata->initial_metadata_recv);
    grpc_metadata_array_destroy(&rdata->trailing_metadata_recv);

    cq_verifier_destroy(cqv);

    grpc_call_destroy(c);

    for (i = 0; i < f->num_servers; i++) {
      grpc_call_details_destroy(&rdata->call_details[i]);
    }
    gpr_free(rdata->details);
  }

  gpr_free(s_valid);

  return connection_sequence;
}
Esempio n. 10
0
static void test_connectivity(grpc_end2end_test_config config) {
  grpc_end2end_test_fixture f = config.create_fixture(NULL, NULL);
  grpc_connectivity_state state;
  cq_verifier *cqv = cq_verifier_create(f.cq);
  child_events ce;
  gpr_thd_options thdopt = gpr_thd_options_default();
  gpr_thd_id thdid;

  config.init_client(&f, NULL);

  ce.channel = f.client;
  ce.cq = f.cq;
  gpr_event_init(&ce.started);
  gpr_thd_options_set_joinable(&thdopt);
  GPR_ASSERT(gpr_thd_new(&thdid, child_thread, &ce, &thdopt));

  gpr_event_wait(&ce.started, gpr_inf_future(GPR_CLOCK_MONOTONIC));

  /* channels should start life in IDLE, and stay there */
  GPR_ASSERT(grpc_channel_check_connectivity_state(f.client, 0) ==
             GRPC_CHANNEL_IDLE);
  gpr_sleep_until(GRPC_TIMEOUT_MILLIS_TO_DEADLINE(100));
  GPR_ASSERT(grpc_channel_check_connectivity_state(f.client, 0) ==
             GRPC_CHANNEL_IDLE);

  /* start watching for a change */
  gpr_log(GPR_DEBUG, "watching");
  grpc_channel_watch_connectivity_state(
      f.client, GRPC_CHANNEL_IDLE, gpr_now(GPR_CLOCK_MONOTONIC), f.cq, tag(1));

  /* eventually the child thread completion should trigger */
  gpr_thd_join(thdid);

  /* check that we're still in idle, and start connecting */
  GPR_ASSERT(grpc_channel_check_connectivity_state(f.client, 1) ==
             GRPC_CHANNEL_IDLE);
  /* start watching for a change */
  grpc_channel_watch_connectivity_state(f.client, GRPC_CHANNEL_IDLE,
                                        GRPC_TIMEOUT_SECONDS_TO_DEADLINE(3),
                                        f.cq, tag(2));

  /* and now the watch should trigger */
  cq_expect_completion(cqv, tag(2), 1);
  cq_verify(cqv);
  state = grpc_channel_check_connectivity_state(f.client, 0);
  GPR_ASSERT(state == GRPC_CHANNEL_TRANSIENT_FAILURE ||
             state == GRPC_CHANNEL_CONNECTING);

  /* quickly followed by a transition to TRANSIENT_FAILURE */
  grpc_channel_watch_connectivity_state(f.client, GRPC_CHANNEL_CONNECTING,
                                        GRPC_TIMEOUT_SECONDS_TO_DEADLINE(3),
                                        f.cq, tag(3));
  cq_expect_completion(cqv, tag(3), 1);
  cq_verify(cqv);
  state = grpc_channel_check_connectivity_state(f.client, 0);
  GPR_ASSERT(state == GRPC_CHANNEL_TRANSIENT_FAILURE ||
             state == GRPC_CHANNEL_CONNECTING);

  gpr_log(GPR_DEBUG, "*** STARTING SERVER ***");

  /* now let's bring up a server to connect to */
  config.init_server(&f, NULL);

  gpr_log(GPR_DEBUG, "*** STARTED SERVER ***");

  /* we'll go through some set of transitions (some might be missed), until
     READY is reached */
  while (state != GRPC_CHANNEL_READY) {
    grpc_channel_watch_connectivity_state(
        f.client, state, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(3), f.cq, tag(4));
    cq_expect_completion(cqv, tag(4), 1);
    cq_verify(cqv);
    state = grpc_channel_check_connectivity_state(f.client, 0);
    GPR_ASSERT(state == GRPC_CHANNEL_READY ||
               state == GRPC_CHANNEL_CONNECTING ||
               state == GRPC_CHANNEL_TRANSIENT_FAILURE);
  }

  /* bring down the server again */
  /* we should go immediately to TRANSIENT_FAILURE */
  gpr_log(GPR_DEBUG, "*** SHUTTING DOWN SERVER ***");

  grpc_channel_watch_connectivity_state(f.client, GRPC_CHANNEL_READY,
                                        GRPC_TIMEOUT_SECONDS_TO_DEADLINE(3),
                                        f.cq, tag(5));

  grpc_server_shutdown_and_notify(f.server, f.cq, tag(0xdead));

  cq_expect_completion(cqv, tag(5), 1);
  cq_expect_completion(cqv, tag(0xdead), 1);
  cq_verify(cqv);
  state = grpc_channel_check_connectivity_state(f.client, 0);
  GPR_ASSERT(state == GRPC_CHANNEL_TRANSIENT_FAILURE ||
             state == GRPC_CHANNEL_CONNECTING || state == GRPC_CHANNEL_IDLE);

  /* cleanup server */
  grpc_server_destroy(f.server);

  gpr_log(GPR_DEBUG, "*** SHUTDOWN SERVER ***");

  grpc_channel_destroy(f.client);
  grpc_completion_queue_shutdown(f.cq);
  grpc_completion_queue_destroy(f.cq);
  config.tear_down_data(&f);

  cq_verifier_destroy(cqv);
}
Esempio n. 11
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static gpr_timespec ms_from_now(int ms) {
  return GRPC_TIMEOUT_MILLIS_TO_DEADLINE(ms);
}
Esempio n. 12
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void test_times_out(void) {
  struct sockaddr_in addr;
  socklen_t addr_len = sizeof(addr);
  int svr_fd;
#define NUM_CLIENT_CONNECTS 100
  int client_fd[NUM_CLIENT_CONNECTS];
  int i;
  int r;
  int connections_complete_before;
  gpr_timespec connect_deadline;
  grpc_closure done;
  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;

  gpr_log(GPR_DEBUG, "test_times_out");

  memset(&addr, 0, sizeof(addr));
  addr.sin_family = AF_INET;

  /* create a dummy server */
  svr_fd = socket(AF_INET, SOCK_STREAM, 0);
  GPR_ASSERT(svr_fd >= 0);
  GPR_ASSERT(0 == bind(svr_fd, (struct sockaddr *)&addr, addr_len));
  GPR_ASSERT(0 == listen(svr_fd, 1));
  /* Get its address */
  GPR_ASSERT(getsockname(svr_fd, (struct sockaddr *)&addr, &addr_len) == 0);

  /* tie up the listen buffer, which is somewhat arbitrarily sized. */
  for (i = 0; i < NUM_CLIENT_CONNECTS; ++i) {
    client_fd[i] = socket(AF_INET, SOCK_STREAM, 0);
    grpc_set_socket_nonblocking(client_fd[i], 1);
    do {
      r = connect(client_fd[i], (struct sockaddr *)&addr, addr_len);
    } while (r == -1 && errno == EINTR);
    GPR_ASSERT(r < 0);
    GPR_ASSERT(errno == EWOULDBLOCK || errno == EINPROGRESS);
  }

  /* connect to dummy server address */

  connect_deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1);

  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
  connections_complete_before = g_connections_complete;
  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));

  grpc_closure_init(&done, must_fail, NULL);
  grpc_tcp_client_connect(&exec_ctx, &done, &g_connecting, &g_pollset_set,
                          (struct sockaddr *)&addr, addr_len, connect_deadline);

  /* Make sure the event doesn't trigger early */
  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
  for (;;) {
    grpc_pollset_worker worker;
    gpr_timespec now = gpr_now(connect_deadline.clock_type);
    gpr_timespec continue_verifying_time =
        gpr_time_from_seconds(5, GPR_TIMESPAN);
    gpr_timespec grace_time = gpr_time_from_seconds(3, GPR_TIMESPAN);
    gpr_timespec finish_time =
        gpr_time_add(connect_deadline, continue_verifying_time);
    gpr_timespec restart_verifying_time =
        gpr_time_add(connect_deadline, grace_time);
    int is_after_deadline = gpr_time_cmp(now, connect_deadline) > 0;
    if (gpr_time_cmp(now, finish_time) > 0) {
      break;
    }
    gpr_log(GPR_DEBUG, "now=%lld.%09d connect_deadline=%lld.%09d",
            (long long)now.tv_sec, (int)now.tv_nsec,
            (long long)connect_deadline.tv_sec, (int)connect_deadline.tv_nsec);
    if (is_after_deadline && gpr_time_cmp(now, restart_verifying_time) <= 0) {
      /* allow some slack before insisting that things be done */
    } else {
      GPR_ASSERT(g_connections_complete ==
                 connections_complete_before + is_after_deadline);
    }
    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
                      gpr_now(GPR_CLOCK_MONOTONIC),
                      GRPC_TIMEOUT_MILLIS_TO_DEADLINE(10));
    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
    grpc_exec_ctx_finish(&exec_ctx);
    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
  }
  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));

  close(svr_fd);
  for (i = 0; i < NUM_CLIENT_CONNECTS; ++i) {
    close(client_fd[i]);
  }
}
Esempio n. 13
0
/* 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();
}