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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/iomgr/sockaddr.h"
#include "test/core/util/test_tcp_server.h"
#include <grpc/grpc.h>
#include <grpc/support/alloc.h>
#include <grpc/support/host_port.h>
#include <grpc/support/log.h>
#include <grpc/support/sync.h>
#include <grpc/support/time.h>
#include <string.h>
#include "src/core/lib/iomgr/endpoint.h"
#include "src/core/lib/iomgr/resolve_address.h"
#include "src/core/lib/iomgr/tcp_server.h"
#include "test/core/util/port.h"
static void on_server_destroyed(grpc_exec_ctx *exec_ctx, void *data,
grpc_error *error) {
test_tcp_server *server = data;
server->shutdown = 1;
}
void test_tcp_server_init(test_tcp_server *server,
grpc_tcp_server_cb on_connect, void *user_data) {
grpc_init();
server->tcp_server = NULL;
GRPC_CLOSURE_INIT(&server->shutdown_complete, on_server_destroyed, server,
grpc_schedule_on_exec_ctx);
server->shutdown = 0;
server->pollset = gpr_zalloc(grpc_pollset_size());
grpc_pollset_init(server->pollset, &server->mu);
server->on_connect = on_connect;
server->cb_data = user_data;
}
void test_tcp_server_start(test_tcp_server *server, int port) {
grpc_resolved_address resolved_addr;
struct sockaddr_in *addr = (struct sockaddr_in *)resolved_addr.addr;
int port_added;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
addr->sin_family = AF_INET;
addr->sin_port = htons((uint16_t)port);
memset(&addr->sin_addr, 0, sizeof(addr->sin_addr));
grpc_error *error = grpc_tcp_server_create(
&exec_ctx, &server->shutdown_complete, NULL, &server->tcp_server);
GPR_ASSERT(error == GRPC_ERROR_NONE);
error =
grpc_tcp_server_add_port(server->tcp_server, &resolved_addr, &port_added);
GPR_ASSERT(error == GRPC_ERROR_NONE);
GPR_ASSERT(port_added == port);
grpc_tcp_server_start(&exec_ctx, server->tcp_server, &server->pollset, 1,
server->on_connect, server->cb_data);
gpr_log(GPR_INFO, "test tcp server listening on 0.0.0.0:%d", port);
grpc_exec_ctx_finish(&exec_ctx);
}
void test_tcp_server_poll(test_tcp_server *server, int seconds) {
grpc_pollset_worker *worker = NULL;
gpr_timespec deadline =
gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC),
gpr_time_from_seconds(seconds, GPR_TIMESPAN));
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
gpr_mu_lock(server->mu);
GRPC_LOG_IF_ERROR("pollset_work",
grpc_pollset_work(&exec_ctx, server->pollset, &worker,
gpr_now(GPR_CLOCK_MONOTONIC), deadline));
gpr_mu_unlock(server->mu);
grpc_exec_ctx_finish(&exec_ctx);
}
static void do_nothing(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) {}
static void finish_pollset(grpc_exec_ctx *exec_ctx, void *arg,
grpc_error *error) {
grpc_pollset_destroy(exec_ctx, arg);
}
void test_tcp_server_destroy(test_tcp_server *server) {
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
gpr_timespec shutdown_deadline;
grpc_closure do_nothing_cb;
grpc_tcp_server_unref(&exec_ctx, server->tcp_server);
GRPC_CLOSURE_INIT(&do_nothing_cb, do_nothing, NULL,
grpc_schedule_on_exec_ctx);
shutdown_deadline = gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC),
gpr_time_from_seconds(5, GPR_TIMESPAN));
while (!server->shutdown &&
gpr_time_cmp(gpr_now(GPR_CLOCK_MONOTONIC), shutdown_deadline) < 0) {
test_tcp_server_poll(server, 1);
}
grpc_pollset_shutdown(&exec_ctx, server->pollset,
GRPC_CLOSURE_CREATE(finish_pollset, server->pollset,
grpc_schedule_on_exec_ctx));
grpc_exec_ctx_finish(&exec_ctx);
gpr_free(server->pollset);
grpc_shutdown();
}
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