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
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/vespalib/testkit/test_kit.h>
#include <vespa/vespalib/net/socket_spec.h>
#include <vespa/vespalib/net/server_socket.h>
#include <vespa/vespalib/net/socket.h>
#include <vespa/vespalib/util/stringfmt.h>
#include <thread>
#include <functional>
#include <chrono>
using namespace vespalib;
vespalib::string get_meta(const SocketAddress &addr) {
vespalib::string meta;
if (addr.is_ipv4()) {
meta = "ipv4";
} else if (addr.is_ipv6()) {
meta = "ipv6";
} else if (addr.is_ipc()) {
meta = "ipc";
} else {
meta = "???";
}
if (addr.is_wildcard()) {
meta += " wildcard";
}
return meta;
}
vespalib::string read_bytes(Socket &socket, size_t wanted_bytes) {
char tmp[64];
vespalib::string result;
while (result.size() < wanted_bytes) {
size_t read_size = std::min(sizeof(tmp), wanted_bytes - result.size());
ssize_t read_result = socket.read(tmp, read_size);
if (read_result <= 0) {
return result;
}
result.append(tmp, read_result);
}
return result;
}
void verify_socket_io(bool is_server, Socket &socket) {
vespalib::string server_message = "hello, this is the server speaking";
vespalib::string client_message = "please pick up, I need to talk to you";
if(is_server) {
ssize_t written = socket.write(server_message.data(), server_message.size());
EXPECT_EQUAL(written, server_message.size());
vespalib::string read = read_bytes(socket, client_message.size());
EXPECT_EQUAL(client_message, read);
} else {
ssize_t written = socket.write(client_message.data(), client_message.size());
EXPECT_EQUAL(written, client_message.size());
vespalib::string read = read_bytes(socket, server_message.size());
EXPECT_EQUAL(server_message, read);
}
}
Socket::UP connect_sockets(bool is_server, ServerSocket &server_socket) {
if (is_server) {
return server_socket.accept();
} else {
auto server = server_socket.address();
auto spec = server.spec();
auto client = SocketSpec(spec).client_address();
fprintf(stderr, "connecting to '%s' (server: %s) (client: %s)\n",
spec.c_str(), get_meta(server).c_str(), get_meta(client).c_str());
return Socket::connect(SocketSpec(spec));
}
}
//-----------------------------------------------------------------------------
TEST("my local address") {
auto list = SocketAddress::resolve(4080);
fprintf(stderr, "resolve(4080):\n");
for (const auto &addr: list) {
EXPECT_TRUE(addr.is_wildcard());
EXPECT_EQUAL(addr.port(), 4080);
fprintf(stderr, " %s (%s)\n", addr.spec().c_str(), get_meta(addr).c_str());
}
}
TEST("yahoo.com address") {
auto list = SocketAddress::resolve(80, "yahoo.com");
fprintf(stderr, "resolve(80, 'yahoo.com'):\n");
for (const auto &addr: list) {
EXPECT_TRUE(!addr.is_wildcard());
EXPECT_EQUAL(addr.port(), 80);
fprintf(stderr, " %s (%s)\n", addr.spec().c_str(), get_meta(addr).c_str());
}
}
TEST("ipc address") {
auto addr = SocketAddress::from_path("my_socket");
EXPECT_TRUE(addr.is_ipc());
EXPECT_TRUE(!addr.is_wildcard());
EXPECT_EQUAL(addr.port(), -1);
EXPECT_EQUAL(vespalib::string("my_socket"), addr.path());
fprintf(stderr, "from_path(my_socket)\n");
fprintf(stderr, " %s (%s)\n", addr.spec().c_str(), get_meta(addr).c_str());
}
TEST("local client/server addresses") {
auto spec = SocketSpec("tcp/123");
auto client = spec.client_address();
auto server = spec.server_address();
EXPECT_TRUE(!client.is_wildcard());
EXPECT_EQUAL(client.port(), 123);
EXPECT_TRUE(server.is_wildcard());
EXPECT_EQUAL(server.port(), 123);
fprintf(stderr, "client(tcp/123): %s (%s)\n", client.spec().c_str(), get_meta(client).c_str());
fprintf(stderr, "server(tcp/123): %s (%s)\n", server.spec().c_str(), get_meta(server).c_str());
}
struct ServerWrapper {
ServerSocket::UP server = ServerSocket::listen(SocketSpec::from_port(0));
};
TEST_MT_F("require that basic socket io works", 2, ServerWrapper) {
bool is_server = (thread_id == 0);
Socket::UP socket = connect_sockets(is_server, *f1.server);
TEST_DO(verify_socket_io(is_server, *socket));
}
TEST_MT_F("require that server accept can be interrupted", 2, ServerWrapper) {
bool is_server = (thread_id == 0);
if (is_server) {
fprintf(stderr, "--> calling accept\n");
Socket::UP socket = f1.server->accept();
fprintf(stderr, "<-- accept returned\n");
EXPECT_TRUE(!socket->valid());
} else {
std::this_thread::sleep_for(std::chrono::milliseconds(500));
fprintf(stderr, "--- closing server socket\n");
f1.server->shutdown();
}
}
struct IpcServerWrapper {
vespalib::string server_path;
ServerSocket::UP server;
IpcServerWrapper(const vespalib::string &server_path_in)
: server_path(server_path_in), server()
{
unlink(server_path.c_str());
server = ServerSocket::listen(SocketSpec::from_path(server_path));
}
~IpcServerWrapper() {
server.reset();
unlink(server_path.c_str());
}
};
TEST_MT_F("require that basic unix domain socket io works", 2, IpcServerWrapper("my_socket")) {
bool is_server = (thread_id == 0);
Socket::UP socket = connect_sockets(is_server, *f1.server);
TEST_DO(verify_socket_io(is_server, *socket));
}
TEST_MAIN() { TEST_RUN_ALL(); }
|
