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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_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);
*static_cast<int*>(elem->channel_data) = 0;
return GRPC_ERROR_NONE;
}
static grpc_error* call_init_func(grpc_call_element* elem,
const grpc_call_element_args* args) {
++*static_cast<int*>(elem->channel_data);
*static_cast<int*>(elem->call_data) = 0;
return GRPC_ERROR_NONE;
}
static void channel_destroy_func(grpc_channel_element* elem) {}
static void call_destroy_func(grpc_call_element* elem,
const grpc_call_final_info* final_info,
grpc_closure* ignored) {
++*static_cast<int*>(elem->channel_data);
}
static void call_func(grpc_call_element* elem,
grpc_transport_stream_op_batch* op) {
++*static_cast<int*>(elem->call_data);
}
static void channel_func(grpc_channel_element* elem, grpc_transport_op* op) {
++*static_cast<int*>(elem->channel_data);
}
static void free_channel(void* arg, grpc_error* error) {
grpc_channel_stack_destroy(static_cast<grpc_channel_stack*>(arg));
gpr_free(arg);
}
static void free_call(void* arg, grpc_error* error) {
grpc_call_stack_destroy(static_cast<grpc_call_stack*>(arg), nullptr, nullptr);
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,
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_core::ExecCtx exec_ctx;
grpc_slice path = grpc_slice_from_static_string("/service/method");
arg.type = GRPC_ARG_INTEGER;
arg.key = const_cast<char*>("test_key");
arg.value.integer = 42;
chan_args.num_args = 1;
chan_args.args = &arg;
channel_stack = static_cast<grpc_channel_stack*>(
gpr_malloc(grpc_channel_stack_size(&filters, 1)));
grpc_channel_stack_init(1, free_channel, channel_stack, &filters, 1,
&chan_args, nullptr, "test", channel_stack);
GPR_ASSERT(channel_stack->count == 1);
channel_elem = grpc_channel_stack_element(channel_stack, 0);
channel_data = static_cast<int*>(channel_elem->channel_data);
GPR_ASSERT(*channel_data == 0);
call_stack =
static_cast<grpc_call_stack*>(gpr_malloc(channel_stack->call_stack_size));
const grpc_call_element_args args = {
call_stack, /* call_stack */
nullptr, /* server_transport_data */
nullptr, /* context */
path, /* path */
gpr_now(GPR_CLOCK_MONOTONIC), /* start_time */
GRPC_MILLIS_INF_FUTURE, /* deadline */
nullptr, /* arena */
nullptr, /* call_combiner */
};
grpc_error* error =
grpc_call_stack_init(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 = static_cast<int*>(call_elem->call_data);
GPR_ASSERT(*call_data == 0);
GPR_ASSERT(*channel_data == 1);
GRPC_CALL_STACK_UNREF(call_stack, "done");
grpc_core::ExecCtx::Get()->Flush();
GPR_ASSERT(*channel_data == 2);
GRPC_CHANNEL_STACK_UNREF(channel_stack, "done");
grpc_slice_unref_internal(path);
}
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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