C++ (Cpp) GRPC_SURFACE_TRACE_RETURNED_EVENT 예제들

예제 #1

파일: completion_queue.c 프로젝트: AddictXQ/grpc

grpc_event *grpc_completion_queue_pluck(grpc_completion_queue *cc, void *tag,
                                        gpr_timespec deadline) {
  event *ev = NULL;

  gpr_mu_lock(GRPC_POLLSET_MU(&cc->pollset));
  for (;;) {
    if ((ev = pluck_event(cc, tag))) {
      break;
    }
    if (cc->shutdown) {
      ev = create_shutdown_event();
      break;
    }
    if (cc->allow_polling && grpc_pollset_work(&cc->pollset, deadline)) {
      continue;
    }
    if (gpr_cv_wait(GRPC_POLLSET_CV(&cc->pollset),
                    GRPC_POLLSET_MU(&cc->pollset), deadline)) {
      gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
      return NULL;
    }
  }
  gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
  GRPC_SURFACE_TRACE_RETURNED_EVENT(cc, &ev->base);
  return &ev->base;
}

예제 #2

파일: completion_queue.c 프로젝트: spietz-handy/grpc

grpc_event grpc_completion_queue_next(grpc_completion_queue *cc,
                                      gpr_timespec deadline, void *reserved) {
  grpc_event ret;
  grpc_pollset_worker worker;
  int first_loop = 1;
  gpr_timespec now;
  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;

  GPR_ASSERT(!reserved);

  deadline = gpr_convert_clock_type(deadline, GPR_CLOCK_MONOTONIC);

  GRPC_CQ_INTERNAL_REF(cc, "next");
  gpr_mu_lock(GRPC_POLLSET_MU(&cc->pollset));
  for (;;) {
    if (cc->completed_tail != &cc->completed_head) {
      grpc_cq_completion *c = (grpc_cq_completion *)cc->completed_head.next;
      cc->completed_head.next = c->next & ~(gpr_uintptr)1;
      if (c == cc->completed_tail) {
        cc->completed_tail = &cc->completed_head;
      }
      gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
      ret.type = GRPC_OP_COMPLETE;
      ret.success = c->next & 1u;
      ret.tag = c->tag;
      c->done(&exec_ctx, c->done_arg, c);
      break;
    }
    if (cc->shutdown) {
      gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
      memset(&ret, 0, sizeof(ret));
      ret.type = GRPC_QUEUE_SHUTDOWN;
      break;
    }
    now = gpr_now(GPR_CLOCK_MONOTONIC);
    if (!first_loop && gpr_time_cmp(now, deadline) >= 0) {
      gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
      memset(&ret, 0, sizeof(ret));
      ret.type = GRPC_QUEUE_TIMEOUT;
      break;
    }
    first_loop = 0;
    grpc_pollset_work(&exec_ctx, &cc->pollset, &worker, now, deadline);
  }
  GRPC_SURFACE_TRACE_RETURNED_EVENT(cc, &ret);
  GRPC_CQ_INTERNAL_UNREF(cc, "next");
  grpc_exec_ctx_finish(&exec_ctx);
  return ret;
}

예제 #3

파일: completion_queue.c 프로젝트: rootusr/grpc

grpc_event grpc_completion_queue_pluck(grpc_completion_queue *cc, void *tag,
                                       gpr_timespec deadline) {
  grpc_event ret;
  grpc_cq_completion *c;
  grpc_cq_completion *prev;

  deadline = gpr_convert_clock_type(deadline, GPR_CLOCK_MONOTONIC);

  GRPC_CQ_INTERNAL_REF(cc, "pluck");
  gpr_mu_lock(GRPC_POLLSET_MU(&cc->pollset));
  for (;;) {
    prev = &cc->completed_head;
    while ((c = (grpc_cq_completion *)(prev->next & ~(gpr_uintptr)1)) !=
           &cc->completed_head) {
      if (c->tag == tag) {
        prev->next =
            (prev->next & (gpr_uintptr)1) | (c->next & ~(gpr_uintptr)1);
        if (c == cc->completed_tail) {
          cc->completed_tail = prev;
        }
        gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
        ret.type = GRPC_OP_COMPLETE;
        ret.success = c->next & 1u;
        ret.tag = c->tag;
        c->done(c->done_arg, c);
        goto done;
      }
      prev = c;
    }
    if (cc->shutdown) {
      gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
      memset(&ret, 0, sizeof(ret));
      ret.type = GRPC_QUEUE_SHUTDOWN;
      break;
    }
    if (!grpc_pollset_work(&cc->pollset, deadline)) {
      gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
      memset(&ret, 0, sizeof(ret));
      ret.type = GRPC_QUEUE_TIMEOUT;
      break;
    }
  }
done:
  GRPC_SURFACE_TRACE_RETURNED_EVENT(cc, &ret);
  GRPC_CQ_INTERNAL_UNREF(cc, "pluck");
  return ret;
}

예제 #4

파일: completion_queue.c 프로젝트: AddictXQ/grpc

grpc_event *grpc_completion_queue_next(grpc_completion_queue *cc,
                                       gpr_timespec deadline) {
  event *ev = NULL;

  gpr_mu_lock(GRPC_POLLSET_MU(&cc->pollset));
  for (;;) {
    if (cc->queue != NULL) {
      gpr_uintptr bucket;
      ev = cc->queue;
      bucket = ((gpr_uintptr)ev->base.tag) % NUM_TAG_BUCKETS;
      cc->queue = ev->queue_next;
      ev->queue_next->queue_prev = ev->queue_prev;
      ev->queue_prev->queue_next = ev->queue_next;
      ev->bucket_next->bucket_prev = ev->bucket_prev;
      ev->bucket_prev->bucket_next = ev->bucket_next;
      if (ev == cc->buckets[bucket]) {
        cc->buckets[bucket] = ev->bucket_next;
        if (ev == cc->buckets[bucket]) {
          cc->buckets[bucket] = NULL;
        }
      }
      if (cc->queue == ev) {
        cc->queue = NULL;
      }
      break;
    }
    if (cc->shutdown) {
      ev = create_shutdown_event();
      break;
    }
    if (cc->allow_polling && grpc_pollset_work(&cc->pollset, deadline)) {
      continue;
    }
    if (gpr_cv_wait(GRPC_POLLSET_CV(&cc->pollset),
                    GRPC_POLLSET_MU(&cc->pollset), deadline)) {
      gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
      return NULL;
    }
  }
  gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
  GRPC_SURFACE_TRACE_RETURNED_EVENT(cc, &ev->base);
  return &ev->base;
}

예제 #5

파일: completion_queue.c 프로젝트: rootusr/grpc

grpc_event grpc_completion_queue_next(grpc_completion_queue *cc,
                                      gpr_timespec deadline) {
  grpc_event ret;

  deadline = gpr_convert_clock_type(deadline, GPR_CLOCK_MONOTONIC);

  GRPC_CQ_INTERNAL_REF(cc, "next");
  gpr_mu_lock(GRPC_POLLSET_MU(&cc->pollset));
  for (;;) {
    if (cc->completed_tail != &cc->completed_head) {
      grpc_cq_completion *c = (grpc_cq_completion *)cc->completed_head.next;
      cc->completed_head.next = c->next & ~(gpr_uintptr)1;
      if (c == cc->completed_tail) {
        cc->completed_tail = &cc->completed_head;
      }
      gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
      ret.type = GRPC_OP_COMPLETE;
      ret.success = c->next & 1u;
      ret.tag = c->tag;
      c->done(c->done_arg, c);
      break;
    }
    if (cc->shutdown) {
      gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
      memset(&ret, 0, sizeof(ret));
      ret.type = GRPC_QUEUE_SHUTDOWN;
      break;
    }
    if (!grpc_pollset_work(&cc->pollset, deadline)) {
      gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
      memset(&ret, 0, sizeof(ret));
      ret.type = GRPC_QUEUE_TIMEOUT;
      break;
    }
  }
  GRPC_SURFACE_TRACE_RETURNED_EVENT(cc, &ret);
  GRPC_CQ_INTERNAL_UNREF(cc, "next");
  return ret;
}

예제 #6

파일: completion_queue.c 프로젝트: spietz-handy/grpc

grpc_event grpc_completion_queue_pluck(grpc_completion_queue *cc, void *tag,
                                       gpr_timespec deadline, void *reserved) {
  grpc_event ret;
  grpc_cq_completion *c;
  grpc_cq_completion *prev;
  grpc_pollset_worker worker;
  gpr_timespec now;
  int first_loop = 1;
  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;

  GPR_ASSERT(!reserved);

  deadline = gpr_convert_clock_type(deadline, GPR_CLOCK_MONOTONIC);

  GRPC_CQ_INTERNAL_REF(cc, "pluck");
  gpr_mu_lock(GRPC_POLLSET_MU(&cc->pollset));
  for (;;) {
    prev = &cc->completed_head;
    while ((c = (grpc_cq_completion *)(prev->next & ~(gpr_uintptr)1)) !=
           &cc->completed_head) {
      if (c->tag == tag) {
        prev->next =
            (prev->next & (gpr_uintptr)1) | (c->next & ~(gpr_uintptr)1);
        if (c == cc->completed_tail) {
          cc->completed_tail = prev;
        }
        gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
        ret.type = GRPC_OP_COMPLETE;
        ret.success = c->next & 1u;
        ret.tag = c->tag;
        c->done(&exec_ctx, c->done_arg, c);
        goto done;
      }
      prev = c;
    }
    if (cc->shutdown) {
      gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
      memset(&ret, 0, sizeof(ret));
      ret.type = GRPC_QUEUE_SHUTDOWN;
      break;
    }
    if (!add_plucker(cc, tag, &worker)) {
      gpr_log(GPR_DEBUG,
              "Too many outstanding grpc_completion_queue_pluck calls: maximum "
              "is %d",
              GRPC_MAX_COMPLETION_QUEUE_PLUCKERS);
      gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
      memset(&ret, 0, sizeof(ret));
      /* TODO(ctiller): should we use a different result here */
      ret.type = GRPC_QUEUE_TIMEOUT;
      break;
    }
    now = gpr_now(GPR_CLOCK_MONOTONIC);
    if (!first_loop && gpr_time_cmp(now, deadline) >= 0) {
      del_plucker(cc, tag, &worker);
      gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
      memset(&ret, 0, sizeof(ret));
      ret.type = GRPC_QUEUE_TIMEOUT;
      break;
    }
    first_loop = 0;
    grpc_pollset_work(&exec_ctx, &cc->pollset, &worker, now, deadline);
    del_plucker(cc, tag, &worker);
  }
done:
  GRPC_SURFACE_TRACE_RETURNED_EVENT(cc, &ret);
  GRPC_CQ_INTERNAL_UNREF(cc, "pluck");
  grpc_exec_ctx_finish(&exec_ctx);
  return ret;
}