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/*
*
* 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 <grpc/support/alloc.h>
#include <grpc/support/string_util.h>
typedef struct grpc_mock_endpoint {
grpc_endpoint base;
gpr_mu mu;
void (*on_write)(gpr_slice slice);
gpr_slice_buffer read_buffer;
gpr_slice_buffer *on_read_out;
grpc_closure *on_read;
} 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 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;
}
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;
gpr_slice_buffer_destroy(&m->read_buffer);
gpr_free(m);
}
static char *me_get_peer(grpc_endpoint *ep) {
return gpr_strdup("fake:mock_endpoint");
}
static const grpc_endpoint_vtable vtable = {
me_read, me_write, me_add_to_pollset, me_add_to_pollset_set,
me_shutdown, me_destroy, me_get_peer,
};
grpc_endpoint *grpc_mock_endpoint_create(void (*on_write)(gpr_slice slice)) {
grpc_mock_endpoint *m = gpr_malloc(sizeof(*m));
m->base.vtable = &vtable;
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);
}
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