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/*
*
* Copyright 2015 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include "src/core/lib/channel/channel_stack.h"
#include <string.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include <grpc/support/string_util.h>
#include "src/core/lib/slice/slice_internal.h"
#include "test/core/util/test_config.h"
static grpc_error *channel_init_func(grpc_exec_ctx *exec_ctx,
grpc_channel_element *elem,
grpc_channel_element_args *args) {
GPR_ASSERT(args->channel_args->num_args == 1);
GPR_ASSERT(args->channel_args->args[0].type == GRPC_ARG_INTEGER);
GPR_ASSERT(0 == strcmp(args->channel_args->args[0].key, "test_key"));
GPR_ASSERT(args->channel_args->args[0].value.integer == 42);
GPR_ASSERT(args->is_first);
GPR_ASSERT(args->is_last);
*(int *)(elem->channel_data) = 0;
return GRPC_ERROR_NONE;
}
static grpc_error *call_init_func(grpc_exec_ctx *exec_ctx,
grpc_call_element *elem,
const grpc_call_element_args *args) {
++*(int *)(elem->channel_data);
*(int *)(elem->call_data) = 0;
return GRPC_ERROR_NONE;
}
static void channel_destroy_func(grpc_exec_ctx *exec_ctx,
grpc_channel_element *elem) {}
static void call_destroy_func(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
const grpc_call_final_info *final_info,
grpc_closure *ignored) {
++*(int *)(elem->channel_data);
}
static void call_func(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
grpc_transport_stream_op_batch *op) {
++*(int *)(elem->call_data);
}
static void channel_func(grpc_exec_ctx *exec_ctx, grpc_channel_element *elem,
grpc_transport_op *op) {
++*(int *)(elem->channel_data);
}
static char *get_peer(grpc_exec_ctx *exec_ctx, grpc_call_element *elem) {
return gpr_strdup("peer");
}
static void free_channel(grpc_exec_ctx *exec_ctx, void *arg,
grpc_error *error) {
grpc_channel_stack_destroy(exec_ctx, arg);
gpr_free(arg);
}
static void free_call(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) {
grpc_call_stack_destroy(exec_ctx, arg, NULL, NULL);
gpr_free(arg);
}
static void test_create_channel_stack(void) {
const grpc_channel_filter filter = {
call_func,
channel_func,
sizeof(int),
call_init_func,
grpc_call_stack_ignore_set_pollset_or_pollset_set,
call_destroy_func,
sizeof(int),
channel_init_func,
channel_destroy_func,
get_peer,
grpc_channel_next_get_info,
"some_test_filter"};
const grpc_channel_filter *filters = &filter;
grpc_channel_stack *channel_stack;
grpc_call_stack *call_stack;
grpc_channel_element *channel_elem;
grpc_call_element *call_elem;
grpc_arg arg;
grpc_channel_args chan_args;
int *channel_data;
int *call_data;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_slice path = grpc_slice_from_static_string("/service/method");
arg.type = GRPC_ARG_INTEGER;
arg.key = "test_key";
arg.value.integer = 42;
chan_args.num_args = 1;
chan_args.args = &arg;
channel_stack = gpr_malloc(grpc_channel_stack_size(&filters, 1));
grpc_channel_stack_init(&exec_ctx, 1, free_channel, channel_stack, &filters,
1, &chan_args, NULL, "test", channel_stack);
GPR_ASSERT(channel_stack->count == 1);
channel_elem = grpc_channel_stack_element(channel_stack, 0);
channel_data = (int *)channel_elem->channel_data;
GPR_ASSERT(*channel_data == 0);
call_stack = gpr_malloc(channel_stack->call_stack_size);
const grpc_call_element_args args = {
.call_stack = call_stack,
.server_transport_data = NULL,
.context = NULL,
.path = path,
.start_time = gpr_now(GPR_CLOCK_MONOTONIC),
.deadline = gpr_inf_future(GPR_CLOCK_MONOTONIC),
.arena = NULL};
grpc_error *error = grpc_call_stack_init(&exec_ctx, channel_stack, 1,
free_call, call_stack, &args);
GPR_ASSERT(error == GRPC_ERROR_NONE);
GPR_ASSERT(call_stack->count == 1);
call_elem = grpc_call_stack_element(call_stack, 0);
GPR_ASSERT(call_elem->filter == channel_elem->filter);
GPR_ASSERT(call_elem->channel_data == channel_elem->channel_data);
call_data = (int *)call_elem->call_data;
GPR_ASSERT(*call_data == 0);
GPR_ASSERT(*channel_data == 1);
GRPC_CALL_STACK_UNREF(&exec_ctx, call_stack, "done");
grpc_exec_ctx_flush(&exec_ctx);
GPR_ASSERT(*channel_data == 2);
GRPC_CHANNEL_STACK_UNREF(&exec_ctx, channel_stack, "done");
grpc_slice_unref_internal(&exec_ctx, path);
grpc_exec_ctx_finish(&exec_ctx);
}
int main(int argc, char **argv) {
grpc_test_init(argc, argv);
grpc_init();
test_create_channel_stack();
grpc_shutdown();
return 0;
}
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