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1 /* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
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2 *
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3 * Permission is hereby granted, free of charge, to any person obtaining a copy
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4 * of this software and associated documentation files (the "Software"), to
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5 * deal in the Software without restriction, including without limitation the
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6 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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7 * sell copies of the Software, and to permit persons to whom the Software is
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8 * furnished to do so, subject to the following conditions:
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9 *
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10 * The above copyright notice and this permission notice shall be included in
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11 * all copies or substantial portions of the Software.
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12 *
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13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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18 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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19 * IN THE SOFTWARE.
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20 */
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21
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22 #include "uv.h"
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23 #include "task.h"
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24
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25
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26 #ifndef _WIN32
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27
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28 #include <fcntl.h>
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29 #include <errno.h>
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30 #include <stdio.h>
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31 #include <stdlib.h>
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32 #include <string.h>
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33 #include <sys/socket.h>
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34 #include <unistd.h>
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35
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36
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37 /* NOTE: size should be divisible by 2 */
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38 static uv_pipe_t incoming[4];
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39 static unsigned int incoming_count;
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40 static unsigned int close_called;
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41
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42
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43 static void set_nonblocking(uv_os_sock_t sock) {
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44 int r;
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45 #ifdef _WIN32
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46 unsigned long on = 1;
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47 r = ioctlsocket(sock, FIONBIO, &on);
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48 ASSERT_OK(r);
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49 #else
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50 int flags = fcntl(sock, F_GETFL, 0);
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51 ASSERT_GE(flags, 0);
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52 r = fcntl(sock, F_SETFL, flags | O_NONBLOCK);
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53 ASSERT_GE(r, 0);
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54 #endif
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55 }
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56
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57
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58
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59
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60 static void close_cb(uv_handle_t* handle) {
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61 close_called++;
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62 }
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63
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64
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65 static void alloc_cb(uv_handle_t* handle, size_t size, uv_buf_t* buf) {
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66 static char base[1];
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67
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68 buf->base = base;
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69 buf->len = sizeof(base);
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70 }
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71
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72
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73 static void read_cb(uv_stream_t* handle,
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74 ssize_t nread,
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75 const uv_buf_t* buf) {
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76 uv_pipe_t* p;
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77 uv_pipe_t* inc;
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78 uv_handle_type pending;
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79 unsigned int i;
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80
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81 p = (uv_pipe_t*) handle;
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82 ASSERT_GE(nread, 0);
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83
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84 while (uv_pipe_pending_count(p) != 0) {
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85 pending = uv_pipe_pending_type(p);
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86 ASSERT_EQ(pending, UV_NAMED_PIPE);
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87
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88 ASSERT_LT(incoming_count, ARRAY_SIZE(incoming));
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89 inc = &incoming[incoming_count++];
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90 ASSERT_OK(uv_pipe_init(p->loop, inc, 0));
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91 ASSERT_OK(uv_accept(handle, (uv_stream_t*) inc));
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92 }
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93
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94 if (incoming_count != ARRAY_SIZE(incoming))
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95 return;
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96
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97 ASSERT_OK(uv_read_stop((uv_stream_t*) p));
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98 uv_close((uv_handle_t*) p, close_cb);
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99 for (i = 0; i < ARRAY_SIZE(incoming); i++)
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100 uv_close((uv_handle_t*) &incoming[i], close_cb);
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101 }
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102
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103
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104 TEST_IMPL(pipe_sendmsg) {
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105 #if defined(NO_SEND_HANDLE_ON_PIPE)
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106 RETURN_SKIP(NO_SEND_HANDLE_ON_PIPE);
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107 #endif
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108 uv_pipe_t p;
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109 int r;
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110 int fds[2];
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111 int send_fds[ARRAY_SIZE(incoming)];
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112 struct msghdr msg;
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113 char scratch[64];
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114 struct cmsghdr *cmsg;
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115 unsigned int i;
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116 uv_buf_t buf;
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117
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118 ASSERT_OK(socketpair(AF_UNIX, SOCK_STREAM, 0, fds));
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119 for (i = 0; i < ARRAY_SIZE(send_fds); i += 2)
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120 ASSERT_OK(socketpair(AF_UNIX, SOCK_STREAM, 0, send_fds + i));
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121 ASSERT_EQ(i, ARRAY_SIZE(send_fds));
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122 ASSERT_OK(uv_pipe_init(uv_default_loop(), &p, 1));
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123 ASSERT_OK(uv_pipe_open(&p, fds[1]));
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124
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125 buf = uv_buf_init("X", 1);
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126 memset(&msg, 0, sizeof(msg));
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127 msg.msg_iov = (struct iovec*) &buf;
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128 msg.msg_iovlen = 1;
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129 msg.msg_flags = 0;
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130
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131 msg.msg_control = (void*) scratch;
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132 msg.msg_controllen = CMSG_LEN(sizeof(send_fds));
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133 ASSERT_GE(sizeof(scratch), msg.msg_controllen);
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134
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135 cmsg = CMSG_FIRSTHDR(&msg);
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136 cmsg->cmsg_level = SOL_SOCKET;
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137 cmsg->cmsg_type = SCM_RIGHTS;
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138 cmsg->cmsg_len = msg.msg_controllen;
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139
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140 /* silence aliasing warning */
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141 {
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142 void* pv = CMSG_DATA(cmsg);
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143 int* pi = pv;
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144 for (i = 0; i < ARRAY_SIZE(send_fds); i++)
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145 pi[i] = send_fds[i];
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146 }
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147
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148 set_nonblocking(fds[1]);
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149 ASSERT_OK(uv_read_start((uv_stream_t*) &p, alloc_cb, read_cb));
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150
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151 do
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152 r = sendmsg(fds[0], &msg, 0);
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153 while (r == -1 && errno == EINTR);
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154 ASSERT_EQ(1, r);
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155
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156 uv_run(uv_default_loop(), UV_RUN_DEFAULT);
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157 ASSERT_EQ(ARRAY_SIZE(incoming), incoming_count);
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158 ASSERT_EQ(ARRAY_SIZE(incoming) + 1, close_called);
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159 close(fds[0]);
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160
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161 MAKE_VALGRIND_HAPPY(uv_default_loop());
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162 return 0;
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163 }
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164
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165 #else /* !_WIN32 */
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166
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167 TEST_IMPL(pipe_sendmsg) {
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168 MAKE_VALGRIND_HAPPY(uv_default_loop());
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169 return 0;
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170 }
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171
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172 #endif /* _WIN32 */
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