aboutsummaryrefslogtreecommitdiffhomepage
path: root/test/core/util/test_tcp_server.c
blob: c700d3637f4a6e0834fbad6cb57d1a25183bd4bd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
/*
 *
 * Copyright 2015, 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/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/iomgr/endpoint.h"
#include "src/core/iomgr/sockaddr.h"
#include "src/core/iomgr/tcp_server.h"
#include "test/core/util/port.h"

void test_tcp_server_init(test_tcp_server *server,
                          grpc_tcp_server_cb on_connect, void *user_data) {
  grpc_init();
  server->tcp_server = NULL;
  server->shutdown = 0;
  grpc_pollset_init(&server->pollset);
  server->pollsets[0] = &server->pollset;
  server->on_connect = on_connect;
  server->cb_data = user_data;
}

void test_tcp_server_start(test_tcp_server *server, int port) {
  struct sockaddr_in addr;
  grpc_tcp_listener *listener;
  int port_added;
  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;

  addr.sin_family = AF_INET;
  addr.sin_port = htons((gpr_uint16)port);
  memset(&addr.sin_addr, 0, sizeof(addr.sin_addr));

  server->tcp_server = grpc_tcp_server_create();
  listener = grpc_tcp_server_add_port(server->tcp_server, &addr, sizeof(addr));
  port_added = grpc_tcp_listener_get_port(listener);
  GPR_ASSERT(port_added == port);

  grpc_tcp_server_start(&exec_ctx, server->tcp_server, server->pollsets, 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;
  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(GRPC_POLLSET_MU(&server->pollset));
  grpc_pollset_work(&exec_ctx, &server->pollset, &worker,
                    gpr_now(GPR_CLOCK_MONOTONIC), deadline);
  gpr_mu_unlock(GRPC_POLLSET_MU(&server->pollset));
  grpc_exec_ctx_finish(&exec_ctx);
}

static void on_server_destroyed(grpc_exec_ctx *exec_ctx, void *data,
                                int success) {
  test_tcp_server *server = data;
  server->shutdown = 1;
}

static void do_nothing(grpc_exec_ctx *exec_ctx, void *arg, int success) {}

void test_tcp_server_destroy(test_tcp_server *server) {
  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
  gpr_timespec shutdown_deadline;
  grpc_closure server_shutdown_cb;
  grpc_closure do_nothing_cb;
  grpc_closure_init(&server_shutdown_cb, on_server_destroyed, server);
  grpc_closure_init(&do_nothing_cb, do_nothing, NULL);
  grpc_tcp_server_destroy(&exec_ctx, server->tcp_server, &server_shutdown_cb);
  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, &do_nothing_cb);
  grpc_exec_ctx_finish(&exec_ctx);
  grpc_pollset_destroy(&server->pollset);
  grpc_shutdown();
}