C++ (Cpp) grpc_credentials_metadata_request_create示例

示例#1

文件： credentials.c 项目： KyoheiG3/grpc

static void oauth2_token_fetcher_get_request_metadata(
    grpc_credentials *creds, grpc_pollset *pollset, const char *service_url,
    grpc_credentials_metadata_cb cb, void *user_data) {
  grpc_oauth2_token_fetcher_credentials *c =
      (grpc_oauth2_token_fetcher_credentials *)creds;
  gpr_timespec refresh_threshold = {GRPC_SECURE_TOKEN_REFRESH_THRESHOLD_SECS,
                                    0};
  grpc_credentials_md_store *cached_access_token_md = NULL;
  {
    gpr_mu_lock(&c->mu);
    if (c->access_token_md != NULL &&
        (gpr_time_cmp(
             gpr_time_sub(c->token_expiration, gpr_now(GPR_CLOCK_REALTIME)),
             refresh_threshold) > 0)) {
      cached_access_token_md =
          grpc_credentials_md_store_ref(c->access_token_md);
    }
    gpr_mu_unlock(&c->mu);
  }
  if (cached_access_token_md != NULL) {
    cb(user_data, cached_access_token_md->entries,
       cached_access_token_md->num_entries, GRPC_CREDENTIALS_OK);
    grpc_credentials_md_store_unref(cached_access_token_md);
  } else {
    c->fetch_func(
        grpc_credentials_metadata_request_create(creds, cb, user_data),
        &c->httpcli_context, pollset, on_oauth2_token_fetcher_http_response,
        gpr_time_add(gpr_now(GPR_CLOCK_REALTIME), refresh_threshold));
  }
}

示例#2

文件： credentials.c 项目： Abioy/kythe

static void oauth2_token_fetcher_get_request_metadata(
    grpc_credentials *creds, const char *service_url,
    grpc_credentials_metadata_cb cb, void *user_data) {
  grpc_oauth2_token_fetcher_credentials *c =
      (grpc_oauth2_token_fetcher_credentials *)creds;
  gpr_timespec refresh_threshold = {GRPC_SECURE_TOKEN_REFRESH_THRESHOLD_SECS,
                                    0};
  grpc_mdelem *cached_access_token_md = NULL;
  {
    gpr_mu_lock(&c->mu);
    if (c->access_token_md != NULL &&
        (gpr_time_cmp(gpr_time_sub(c->token_expiration, gpr_now()),
                      refresh_threshold) > 0)) {
      cached_access_token_md = grpc_mdelem_ref(c->access_token_md);
    }
    gpr_mu_unlock(&c->mu);
  }
  if (cached_access_token_md != NULL) {
    cb(user_data, &cached_access_token_md, 1, GRPC_CREDENTIALS_OK);
    grpc_mdelem_unref(cached_access_token_md);
  } else {
    c->fetch_func(
        grpc_credentials_metadata_request_create(creds, cb, user_data),
        on_oauth2_token_fetcher_http_response,
        gpr_time_add(gpr_now(), refresh_threshold));
  }
}

示例#3

文件： credentials.c 项目： bjori/grpc

static void md_only_test_get_request_metadata(
    grpc_exec_ctx *exec_ctx, grpc_credentials *creds, grpc_pollset *pollset,
    const char *service_url, grpc_credentials_metadata_cb cb, void *user_data) {
  grpc_md_only_test_credentials *c = (grpc_md_only_test_credentials *)creds;

  if (c->is_async) {
    gpr_thd_id thd_id;
    grpc_credentials_metadata_request *cb_arg =
        grpc_credentials_metadata_request_create(creds, cb, user_data);
    gpr_thd_new(&thd_id, on_simulated_token_fetch_done, cb_arg, NULL);
  } else {
    cb(exec_ctx, user_data, c->md_store->entries, 1, GRPC_CREDENTIALS_OK);
  }
}

示例#4

文件： credentials.c 项目： Abioy/kythe

static void fake_oauth2_get_request_metadata(grpc_credentials *creds,
                                             const char *service_url,
                                             grpc_credentials_metadata_cb cb,
                                             void *user_data) {
  grpc_fake_oauth2_credentials *c = (grpc_fake_oauth2_credentials *)creds;

  if (c->is_async) {
    grpc_iomgr_add_callback(
        on_simulated_token_fetch_done,
        grpc_credentials_metadata_request_create(creds, cb, user_data));
  } else {
    cb(user_data, &c->access_token_md, 1, GRPC_CREDENTIALS_OK);
  }
}

示例#5

文件： credentials.c 项目： cj525/grpc

static void md_only_test_get_request_metadata(
    grpc_exec_ctx *exec_ctx, grpc_call_credentials *creds,
    grpc_pollset *pollset, grpc_auth_metadata_context context,
    grpc_credentials_metadata_cb cb, void *user_data) {
  grpc_md_only_test_credentials *c = (grpc_md_only_test_credentials *)creds;

  if (c->is_async) {
    grpc_credentials_metadata_request *cb_arg =
        grpc_credentials_metadata_request_create(creds, cb, user_data);
    grpc_executor_enqueue(
        grpc_closure_create(on_simulated_token_fetch_done, cb_arg), 1);
  } else {
    cb(exec_ctx, user_data, c->md_store->entries, 1, GRPC_CREDENTIALS_OK);
  }
}

示例#6

文件： credentials.c 项目： Infixz/grpc

static void fake_oauth2_get_request_metadata(grpc_credentials *creds,
                                             const char *service_url,
                                             grpc_credentials_metadata_cb cb,
                                             void *user_data) {
  grpc_fake_oauth2_credentials *c = (grpc_fake_oauth2_credentials *)creds;

  if (c->is_async) {
    grpc_credentials_metadata_request *cb_arg =
        grpc_credentials_metadata_request_create(creds, cb, user_data);
    grpc_iomgr_closure_init(cb_arg->on_simulated_token_fetch_done_closure,
                            on_simulated_token_fetch_done, cb_arg);
    grpc_iomgr_add_callback(cb_arg->on_simulated_token_fetch_done_closure);
  } else {
    cb(user_data, c->access_token_md->entries, 1, GRPC_CREDENTIALS_OK);
  }
}