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160
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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 "task.h"
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23 #include "uv.h"
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24
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25 #include <stdio.h>
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26 #include <stdlib.h>
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27 #include <string.h>
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28
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29 #define EXPECTED "RANG TANG DING DONG I AM THE JAPANESE SANDMAN"
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30
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31 #define TEST_DURATION 5000 /* ms */
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32
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33 #define BASE_PORT 12345
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34
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35 struct sender_state {
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36 struct sockaddr_in addr;
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37 uv_udp_send_t send_req;
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38 uv_udp_t udp_handle;
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39 };
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40
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41 struct receiver_state {
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42 struct sockaddr_in addr;
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43 uv_udp_t udp_handle;
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44 };
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45
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46 /* not used in timed mode */
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47 static unsigned int packet_counter = (unsigned int) 1e6;
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48
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49 static int n_senders_;
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50 static int n_receivers_;
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51 static uv_buf_t bufs[5];
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52 static struct sender_state senders[1024];
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53 static struct receiver_state receivers[1024];
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54
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55 static unsigned int send_cb_called;
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56 static unsigned int recv_cb_called;
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57 static unsigned int close_cb_called;
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58 static int timed;
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59 static int exiting;
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60
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61
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62 static void alloc_cb(uv_handle_t* handle,
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63 size_t suggested_size,
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64 uv_buf_t* buf) {
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65 static char slab[65536];
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66 ASSERT_LE(suggested_size, sizeof(slab));
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67 buf->base = slab;
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68 buf->len = sizeof(slab);
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69 }
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70
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71
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72 static void send_cb(uv_udp_send_t* req, int status) {
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73 struct sender_state* s;
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74
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75 ASSERT_NOT_NULL(req);
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76
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77 if (status != 0) {
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78 ASSERT_EQ(status, UV_ECANCELED);
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79 return;
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80 }
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81
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82 if (exiting)
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83 return;
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84
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85 s = container_of(req, struct sender_state, send_req);
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86 ASSERT_PTR_EQ(req->handle, &s->udp_handle);
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87
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88 if (timed)
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89 goto send;
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90
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91 if (packet_counter == 0) {
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92 uv_close((uv_handle_t*)&s->udp_handle, NULL);
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93 return;
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94 }
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95
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96 packet_counter--;
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97
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98 send:
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99 ASSERT_OK(uv_udp_send(&s->send_req,
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100 &s->udp_handle,
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101 bufs,
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102 ARRAY_SIZE(bufs),
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103 (const struct sockaddr*) &s->addr,
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104 send_cb));
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105 send_cb_called++;
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106 }
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107
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108
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109 static void recv_cb(uv_udp_t* handle,
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110 ssize_t nread,
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111 const uv_buf_t* buf,
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112 const struct sockaddr* addr,
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113 unsigned flags) {
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114 if (nread == 0)
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115 return;
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116
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117 if (nread < 0) {
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118 ASSERT_EQ(nread, UV_ECANCELED);
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119 return;
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120 }
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121
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122 ASSERT_EQ(addr->sa_family, AF_INET);
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123 ASSERT(!memcmp(buf->base, EXPECTED, nread));
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124
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125 recv_cb_called++;
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126 }
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127
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128
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129 static void close_cb(uv_handle_t* handle) {
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130 ASSERT_NOT_NULL(handle);
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131 close_cb_called++;
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132 }
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133
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134
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135 static void timeout_cb(uv_timer_t* timer) {
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136 int i;
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137
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138 exiting = 1;
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139
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140 for (i = 0; i < n_senders_; i++)
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141 uv_close((uv_handle_t*)&senders[i].udp_handle, close_cb);
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142
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143 for (i = 0; i < n_receivers_; i++)
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144 uv_close((uv_handle_t*)&receivers[i].udp_handle, close_cb);
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145 }
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146
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147
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148 static int pummel(unsigned int n_senders,
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149 unsigned int n_receivers,
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150 unsigned long timeout) {
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151 uv_timer_t timer_handle;
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152 uint64_t duration;
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153 uv_loop_t* loop;
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154 unsigned int i;
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155
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156 ASSERT_LE(n_senders, ARRAY_SIZE(senders));
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157 ASSERT_LE(n_receivers, ARRAY_SIZE(receivers));
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158
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159 loop = uv_default_loop();
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160
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161 n_senders_ = n_senders;
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162 n_receivers_ = n_receivers;
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163
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164 if (timeout) {
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165 ASSERT_OK(uv_timer_init(loop, &timer_handle));
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166 ASSERT_OK(uv_timer_start(&timer_handle, timeout_cb, timeout, 0));
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167 /* Timer should not keep loop alive. */
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168 uv_unref((uv_handle_t*)&timer_handle);
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169 timed = 1;
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170 }
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171
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172 for (i = 0; i < n_receivers; i++) {
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173 struct receiver_state* s = receivers + i;
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174 struct sockaddr_in addr;
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175 ASSERT_OK(uv_ip4_addr("0.0.0.0", BASE_PORT + i, &addr));
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176 ASSERT_OK(uv_udp_init(loop, &s->udp_handle));
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177 ASSERT_OK(uv_udp_bind(&s->udp_handle, (const struct sockaddr*) &addr, 0));
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178 ASSERT_OK(uv_udp_recv_start(&s->udp_handle, alloc_cb, recv_cb));
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179 uv_unref((uv_handle_t*)&s->udp_handle);
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180 }
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181
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182 bufs[0] = uv_buf_init(&EXPECTED[0], 10);
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183 bufs[1] = uv_buf_init(&EXPECTED[10], 10);
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184 bufs[2] = uv_buf_init(&EXPECTED[20], 10);
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185 bufs[3] = uv_buf_init(&EXPECTED[30], 10);
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186 bufs[4] = uv_buf_init(&EXPECTED[40], 5);
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187
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188 for (i = 0; i < n_senders; i++) {
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189 struct sender_state* s = senders + i;
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190 ASSERT_OK(uv_ip4_addr("127.0.0.1",
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191 BASE_PORT + (i % n_receivers),
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192 &s->addr));
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193 ASSERT_OK(uv_udp_init(loop, &s->udp_handle));
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194 ASSERT_OK(uv_udp_send(&s->send_req,
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195 &s->udp_handle,
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196 bufs,
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197 ARRAY_SIZE(bufs),
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198 (const struct sockaddr*) &s->addr,
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199 send_cb));
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200 }
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201
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202 duration = uv_hrtime();
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203 ASSERT_OK(uv_run(loop, UV_RUN_DEFAULT));
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204 duration = uv_hrtime() - duration;
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205 /* convert from nanoseconds to milliseconds */
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206 duration = duration / (uint64_t) 1e6;
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207
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208 printf("udp_pummel_%dv%d: %.0f/s received, %.0f/s sent. "
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209 "%u received, %u sent in %.1f seconds.\n",
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210 n_receivers,
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211 n_senders,
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212 recv_cb_called / (duration / 1000.0),
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213 send_cb_called / (duration / 1000.0),
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214 recv_cb_called,
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215 send_cb_called,
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216 duration / 1000.0);
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217
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218 MAKE_VALGRIND_HAPPY(loop);
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219 return 0;
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220 }
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221
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222
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223 #define X(a, b) \
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224 BENCHMARK_IMPL(udp_pummel_##a##v##b) { \
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225 return pummel(a, b, 0); \
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226 } \
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227 BENCHMARK_IMPL(udp_timed_pummel_##a##v##b) { \
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228 return pummel(a, b, TEST_DURATION); \
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229 }
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230
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231 X(1, 1)
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232 X(1, 10)
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233 X(1, 100)
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234 X(1, 1000)
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235 X(10, 10)
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236 X(10, 100)
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237 X(10, 1000)
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238 X(100, 10)
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239 X(100, 100)
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240 X(100, 1000)
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241 X(1000, 1000)
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242
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243 #undef X
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