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annotate packages/net/common/current/tests/tcp_source.c @ 935:aa074daf1f12

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* tests/nc_test_framework.h: deleted '#include <net/route.h>'. * tests/linux_echo.c: added '#include <netinet/in_systm.h>', deleted '#include <net/route.h>'. * tests/tcp_sink.c: ditto. * tests/tcp_souce.c: ditto. * tests/nc_test_slave.c: changed 'bool' to 'int' because the compiler didn't like 'bool'.
author jlarmour
date Fri, 11 Apr 2003 20:47:19 +0000
parents e0c0827131d1
children 74dbf4c3f2e1
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1 //==========================================================================
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2 //
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3 // tests/tcp_source.c
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4 //
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5 // Simple TCP throughput test - source component
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6 // * CAUTION: host, i.e. non eCos, only *
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7 //
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8 //==========================================================================
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9 //####BSDCOPYRIGHTBEGIN####
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10 //
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11 // -------------------------------------------
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12 //
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13 // Portions of this software may have been derived from OpenBSD or other sources,
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14 // and are covered by the appropriate copyright disclaimers included herein.
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15 //
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16 // -------------------------------------------
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17 //
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18 //####BSDCOPYRIGHTEND####
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19 //==========================================================================
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20 //#####DESCRIPTIONBEGIN####
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21 //
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22 // Author(s): gthomas
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23 // Contributors: gthomas
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24 // Date: 2000-01-10
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25 // Purpose:
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26 // Description: This is the middle part of a three part test. The idea is
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27 // to test the throughput of box in a configuration like this:
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28 //
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29 // +------+ port +----+ port +----+
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30 // |SOURCE|=========>|ECHO|============>|SINK|
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31 // +------+ 9990 +----+ 9991 +----+
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32 //
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33 //
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34 //####DESCRIPTIONEND####
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35 //
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36 //==========================================================================
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37
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38 // Network throughput test code
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39
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40 #undef _KERNEL
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41 #include <stdlib.h>
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42 #include <unistd.h>
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43 #include <stdio.h>
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44
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45 #include <sys/param.h>
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46 #include <sys/socket.h>
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47 #include <sys/ioctl.h>
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48 #include <sys/errno.h>
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49 #include <sys/time.h>
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50
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51 #include <net/if.h>
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52 #include <netinet/in_systm.h>
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53 #include <netinet/in.h>
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54 #include <netinet/ip.h>
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55 #include <netinet/ip_icmp.h>
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56
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57 #include <netdb.h>
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58
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59 #define SOURCE_PORT 9990
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60 #define SINK_PORT 9991
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61
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62 struct test_params {
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63 long nbufs;
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64 long bufsize;
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65 long load;
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66 };
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67
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68 struct test_status {
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69 long ok;
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70 };
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71
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72 #define NUM_BUF 1024
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73 #define MAX_BUF 8192
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74 static unsigned char data_buf[MAX_BUF];
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75
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76 void
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77 pexit(char *s)
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78 {
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79 perror(s);
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80 exit(1);
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81 }
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82
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83 void
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84 show_results(struct timeval *start, struct timeval *end,
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85 int nbufs, int buflen)
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86 {
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87 struct timeval tot_time;
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88 long tot_bytes = nbufs * buflen;
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89 double real_time, thru;
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90 timersub(end, start, &tot_time);
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91 printf("SOURCE complete - %d bufs of %d bytes in %ld.%02ld seconds",
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92 nbufs, buflen,
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93 tot_time.tv_sec, tot_time.tv_usec / 10000);
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94 real_time = tot_time.tv_sec + ((tot_time.tv_usec / 10000) * .01);
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95 // Compute bytes / second (rounded up)
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96 thru = tot_bytes / real_time;
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97 // Convert to Mb / second
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98 printf(" - %.2f KB/S", thru / 1024.0);
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99 printf(" - %.4f Mbit/S (M = 10^6)", thru * 8.0 / 1000000.0);
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100 printf("\n");
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101 }
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102
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103 int
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104 do_read(int s, unsigned char *buf, int len)
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105 {
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106 int total, slen, rlen;
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107 total = 0;
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108 rlen = len;
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109 while (total < len) {
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110 slen = read(s, buf, rlen);
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111 if (slen != rlen) {
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112 if (slen < 0) {
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113 printf("Error after reading %d bytes\n", total);
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114 return -1;
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115 }
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116 rlen -= slen;
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117 buf += slen;
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118 }
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119 total += slen;
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120 }
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121 return total;
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122 }
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123
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124 int
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125 do_write(int s, unsigned char *buf, int len)
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126 {
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127 int total, slen, rlen;
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128 total = 0;
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129 rlen = len;
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130 while (total < len) {
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131 slen = write(s, buf, rlen);
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132 if (slen != rlen) {
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133 if (slen < 0) {
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134 printf("Error after writing %d bytes\n", total);
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135 return -1;
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136 }
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137 rlen -= slen;
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138 buf += slen;
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139 }
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140 total += slen;
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141 }
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142 return total;
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143 }
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144
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145 static void
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146 source_test(char *echo_node, int load)
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147 {
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148 int s_source;
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149 struct sockaddr_in slave, local;
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150 int one = 1;
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151 int len;
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152 struct hostent *host;
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153 struct test_params params;
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154 struct test_params nparams;
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155 struct test_status status;
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156 struct test_status nstatus;
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157 struct timeval start_time, end_time;
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158 int i;
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159
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160 printf("Start TCP test - SOURCE mode to %s\n", echo_node);
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161
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162 host = gethostbyname(echo_node);
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163 if (host == (struct hostent *)NULL) {
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164 pexit("gethostbyname");
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165 }
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166
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167 memset(&slave, 0, sizeof(slave));
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168 slave.sin_family = AF_INET;
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169 #ifdef __ECOS
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170 slave.sin_len = sizeof(slave);
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171 #endif
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172 slave.sin_port = htons(SOURCE_PORT);
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173 memcpy(&slave.sin_addr.s_addr, host->h_addr, host->h_length);
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174
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175 s_source = socket(AF_INET, SOCK_STREAM, 0);
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176 if (s_source < 0) {
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177 pexit("stream socket");
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178 }
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179 if (setsockopt(s_source, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one))) {
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180 pexit("setsockopt /source/ SO_REUSEADDR");
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181 }
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182 memset(&local, 0, sizeof(local));
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183 local.sin_family = AF_INET;
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184 #ifdef __ECOS
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185 local.sin_len = sizeof(local);
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186 #endif
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187 local.sin_port = INADDR_ANY;
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188 local.sin_addr.s_addr = INADDR_ANY;
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189 if(bind(s_source, (struct sockaddr *) &local, sizeof(local)) < 0) {
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190 pexit("bind /source/ error");
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191 }
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192
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193 if (connect(s_source, (struct sockaddr *)&slave, sizeof(slave)) < 0) {
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194 pexit("Can't connect to target");
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195 }
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196
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197 params.nbufs = NUM_BUF;
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198 params.bufsize = MAX_BUF;
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199 params.load = load;
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200
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201 nparams.nbufs = htonl(params.nbufs);
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202 nparams.bufsize = htonl(params.bufsize);
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203 nparams.load = htonl(params.load);
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204
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205 if ( do_write(s_source, (unsigned char *)&nparams, sizeof(nparams))
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206 != sizeof(params)) {
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207 pexit("Can't send initialization parameters");
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208 }
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209 if (do_read(s_source, (unsigned char *)&nstatus, sizeof(nstatus))
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210 != sizeof(status)) {
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211 pexit("Can't get status from 'echo' client");
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212 }
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213
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214 status.ok = ntohl(nstatus.ok);
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215
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216 // Actual test
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217 gettimeofday(&start_time, 0);
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218 for (i = 0; i < params.nbufs; i++) {
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219 if ((len = do_write(s_source, data_buf, params.bufsize)) != params.bufsize) {
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220 printf("Error writing buffer #%d:", i+1);
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221 if (len < 0) {
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222 perror("can't write data");
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223 } else {
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224 printf(" short data, only wrote %d bytes\n", len);
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225 }
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226 }
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227 }
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228 gettimeofday(&end_time, 0);
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229 show_results(&start_time, &end_time, params.nbufs, params.bufsize);
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230 }
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231
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232 int
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233 main(int argc, char *argv[])
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234 {
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235 int load = 0;
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236 if (argc > 2) {
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237 load = atoi(argv[2]);
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238 }
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239 source_test(argv[1], load);
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240 return 0;
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241 }
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242