| /* |
| * |
| * 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 "test/core/util/mock_endpoint.h" |
| |
| #include <inttypes.h> |
| |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/string_util.h> |
| |
| typedef struct grpc_mock_endpoint { |
| grpc_endpoint base; |
| gpr_mu mu; |
| int refs; |
| void (*on_write)(gpr_slice slice); |
| gpr_slice_buffer read_buffer; |
| gpr_slice_buffer *on_read_out; |
| grpc_closure *on_read; |
| grpc_resource_user resource_user; |
| } grpc_mock_endpoint; |
| |
| static void me_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep, |
| gpr_slice_buffer *slices, grpc_closure *cb) { |
| grpc_mock_endpoint *m = (grpc_mock_endpoint *)ep; |
| gpr_mu_lock(&m->mu); |
| if (m->read_buffer.count > 0) { |
| gpr_slice_buffer_swap(&m->read_buffer, slices); |
| grpc_exec_ctx_sched(exec_ctx, cb, GRPC_ERROR_NONE, NULL); |
| } else { |
| m->on_read = cb; |
| m->on_read_out = slices; |
| } |
| gpr_mu_unlock(&m->mu); |
| } |
| |
| static void me_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep, |
| gpr_slice_buffer *slices, grpc_closure *cb) { |
| grpc_mock_endpoint *m = (grpc_mock_endpoint *)ep; |
| for (size_t i = 0; i < slices->count; i++) { |
| m->on_write(slices->slices[i]); |
| } |
| grpc_exec_ctx_sched(exec_ctx, cb, GRPC_ERROR_NONE, NULL); |
| } |
| |
| static void me_add_to_pollset(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep, |
| grpc_pollset *pollset) {} |
| |
| static void me_add_to_pollset_set(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep, |
| grpc_pollset_set *pollset) {} |
| |
| static void unref(grpc_exec_ctx *exec_ctx, grpc_mock_endpoint *m) { |
| gpr_mu_lock(&m->mu); |
| if (0 == --m->refs) { |
| gpr_mu_unlock(&m->mu); |
| gpr_slice_buffer_destroy(&m->read_buffer); |
| grpc_resource_user_destroy(exec_ctx, &m->resource_user); |
| gpr_free(m); |
| } else { |
| gpr_mu_unlock(&m->mu); |
| } |
| } |
| |
| static void me_finish_shutdown(grpc_exec_ctx *exec_ctx, void *me, |
| grpc_error *error) { |
| grpc_mock_endpoint *m = me; |
| unref(exec_ctx, m); |
| } |
| |
| static void me_shutdown(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep) { |
| grpc_mock_endpoint *m = (grpc_mock_endpoint *)ep; |
| gpr_mu_lock(&m->mu); |
| if (m->on_read) { |
| grpc_exec_ctx_sched(exec_ctx, m->on_read, |
| GRPC_ERROR_CREATE("Endpoint Shutdown"), NULL); |
| m->on_read = NULL; |
| } |
| grpc_resource_user_shutdown(exec_ctx, &m->resource_user, |
| grpc_closure_create(me_finish_shutdown, m)); |
| gpr_mu_unlock(&m->mu); |
| } |
| |
| static void me_destroy(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep) { |
| grpc_mock_endpoint *m = (grpc_mock_endpoint *)ep; |
| unref(exec_ctx, m); |
| } |
| |
| static char *me_get_peer(grpc_endpoint *ep) { |
| return gpr_strdup("fake:mock_endpoint"); |
| } |
| |
| static grpc_resource_user *me_get_resource_user(grpc_endpoint *ep) { |
| grpc_mock_endpoint *m = (grpc_mock_endpoint *)ep; |
| return &m->resource_user; |
| } |
| |
| static grpc_workqueue *me_get_workqueue(grpc_endpoint *ep) { return NULL; } |
| |
| static const grpc_endpoint_vtable vtable = { |
| me_read, |
| me_write, |
| me_get_workqueue, |
| me_add_to_pollset, |
| me_add_to_pollset_set, |
| me_shutdown, |
| me_destroy, |
| me_get_resource_user, |
| me_get_peer, |
| }; |
| |
| grpc_endpoint *grpc_mock_endpoint_create(void (*on_write)(gpr_slice slice), |
| grpc_resource_quota *resource_quota) { |
| grpc_mock_endpoint *m = gpr_malloc(sizeof(*m)); |
| m->base.vtable = &vtable; |
| m->refs = 2; |
| char *name; |
| gpr_asprintf(&name, "mock_endpoint_%" PRIxPTR, (intptr_t)m); |
| grpc_resource_user_init(&m->resource_user, resource_quota, name); |
| gpr_free(name); |
| gpr_slice_buffer_init(&m->read_buffer); |
| gpr_mu_init(&m->mu); |
| m->on_write = on_write; |
| m->on_read = NULL; |
| return &m->base; |
| } |
| |
| void grpc_mock_endpoint_put_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep, |
| gpr_slice slice) { |
| grpc_mock_endpoint *m = (grpc_mock_endpoint *)ep; |
| gpr_mu_lock(&m->mu); |
| if (m->on_read != NULL) { |
| gpr_slice_buffer_add(m->on_read_out, slice); |
| grpc_exec_ctx_sched(exec_ctx, m->on_read, GRPC_ERROR_NONE, NULL); |
| m->on_read = NULL; |
| } else { |
| gpr_slice_buffer_add(&m->read_buffer, slice); |
| } |
| gpr_mu_unlock(&m->mu); |
| } |