3 * Copyright 2015 gRPC authors.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
19 #include "test/core/util/test_tcp_server.h"
23 #include <grpc/grpc.h>
24 #include <grpc/support/alloc.h>
25 #include <grpc/support/log.h>
26 #include <grpc/support/sync.h>
27 #include <grpc/support/time.h>
29 #include "src/core/lib/iomgr/endpoint.h"
30 #include "src/core/lib/iomgr/resolve_address.h"
31 #include "src/core/lib/iomgr/sockaddr.h"
32 #include "src/core/lib/iomgr/socket_utils.h"
33 #include "src/core/lib/iomgr/tcp_server.h"
34 #include "test/core/util/port.h"
35 #include "test/core/util/test_config.h"
37 static void on_server_destroyed(void* data, grpc_error_handle /*error*/) {
38 test_tcp_server* server = static_cast<test_tcp_server*>(data);
39 server->shutdown = true;
42 void test_tcp_server_init(test_tcp_server* server,
43 grpc_tcp_server_cb on_connect, void* user_data) {
45 GRPC_CLOSURE_INIT(&server->shutdown_complete, on_server_destroyed, server,
46 grpc_schedule_on_exec_ctx);
48 grpc_pollset* pollset =
49 static_cast<grpc_pollset*>(gpr_zalloc(grpc_pollset_size()));
50 grpc_pollset_init(pollset, &server->mu);
51 server->pollset.push_back(pollset);
52 server->on_connect = on_connect;
53 server->cb_data = user_data;
56 void test_tcp_server_start(test_tcp_server* server, int port) {
57 grpc_resolved_address resolved_addr;
58 grpc_sockaddr_in* addr =
59 reinterpret_cast<grpc_sockaddr_in*>(resolved_addr.addr);
61 grpc_core::ExecCtx exec_ctx;
63 addr->sin_family = GRPC_AF_INET;
64 addr->sin_port = grpc_htons(static_cast<uint16_t>(port));
65 memset(&addr->sin_addr, 0, sizeof(addr->sin_addr));
66 resolved_addr.len = static_cast<socklen_t>(sizeof(grpc_sockaddr_in));
68 grpc_error_handle error = grpc_tcp_server_create(
69 &server->shutdown_complete, nullptr,
70 grpc_slice_allocator_factory_create(grpc_resource_quota_create(nullptr)),
72 GPR_ASSERT(error == GRPC_ERROR_NONE);
74 grpc_tcp_server_add_port(server->tcp_server, &resolved_addr, &port_added);
75 GPR_ASSERT(error == GRPC_ERROR_NONE);
76 GPR_ASSERT(port_added == port);
78 grpc_tcp_server_start(server->tcp_server, &server->pollset,
79 server->on_connect, server->cb_data);
80 gpr_log(GPR_INFO, "test tcp server listening on 0.0.0.0:%d", port);
83 void test_tcp_server_poll(test_tcp_server* server, int milliseconds) {
84 grpc_pollset_worker* worker = nullptr;
85 grpc_core::ExecCtx exec_ctx;
86 grpc_millis deadline = grpc_timespec_to_millis_round_up(
87 grpc_timeout_milliseconds_to_deadline(milliseconds));
88 gpr_mu_lock(server->mu);
89 GRPC_LOG_IF_ERROR("pollset_work",
90 grpc_pollset_work(server->pollset[0], &worker, deadline));
91 gpr_mu_unlock(server->mu);
94 static void do_nothing(void* /*arg*/, grpc_error_handle /*error*/) {}
95 static void finish_pollset(void* arg, grpc_error_handle /*error*/) {
96 grpc_pollset_destroy(static_cast<grpc_pollset*>(arg));
99 void test_tcp_server_destroy(test_tcp_server* server) {
100 grpc_core::ExecCtx exec_ctx;
101 gpr_timespec shutdown_deadline;
102 grpc_closure do_nothing_cb;
103 grpc_tcp_server_unref(server->tcp_server);
104 GRPC_CLOSURE_INIT(&do_nothing_cb, do_nothing, nullptr,
105 grpc_schedule_on_exec_ctx);
106 shutdown_deadline = gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC),
107 gpr_time_from_seconds(5, GPR_TIMESPAN));
108 grpc_core::ExecCtx::Get()->Flush();
109 while (!server->shutdown &&
110 gpr_time_cmp(gpr_now(GPR_CLOCK_MONOTONIC), shutdown_deadline) < 0) {
111 test_tcp_server_poll(server, 1000);
113 grpc_pollset_shutdown(server->pollset[0],
114 GRPC_CLOSURE_CREATE(finish_pollset, server->pollset[0],
115 grpc_schedule_on_exec_ctx));
116 grpc_core::ExecCtx::Get()->Flush();
117 gpr_free(server->pollset[0]);