1 | /* |
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2 | * This file is part of libtrace |
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3 | * |
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4 | * Copyright (c) 2007 The University of Waikato, Hamilton, New Zealand. |
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5 | * Authors: Daniel Lawson |
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6 | * Perry Lorier |
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7 | * |
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8 | * All rights reserved. |
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9 | * |
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10 | * This code has been developed by the University of Waikato WAND |
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11 | * research group. For further information please see http://www.wand.net.nz/ |
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12 | * |
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13 | * libtrace is free software; you can redistribute it and/or modify |
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14 | * it under the terms of the GNU General Public License as published by |
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15 | * the Free Software Foundation; either version 2 of the License, or |
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16 | * (at your option) any later version. |
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17 | * |
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18 | * libtrace is distributed in the hope that it will be useful, |
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19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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21 | * GNU General Public License for more details. |
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22 | * |
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23 | * You should have received a copy of the GNU General Public License |
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24 | * along with libtrace; if not, write to the Free Software |
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25 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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26 | * |
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27 | * $Id: test-rtclient.c,v 1.2 2006/02/27 03:41:12 perry Exp $ |
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28 | * |
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29 | */ |
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30 | #ifndef WIN32 |
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31 | # include <sys/time.h> |
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32 | # include <netinet/in.h> |
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33 | # include <netinet/in_systm.h> |
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34 | # include <netinet/tcp.h> |
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35 | # include <netinet/ip.h> |
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36 | # include <netinet/ip_icmp.h> |
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37 | # include <arpa/inet.h> |
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38 | # include <sys/socket.h> |
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39 | #endif |
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40 | #include <stdio.h> |
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41 | #include <stdlib.h> |
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42 | #include <assert.h> |
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43 | #include <string.h> |
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44 | #include <sys/types.h> |
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45 | #include <time.h> |
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46 | #include <string.h> |
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47 | #include <signal.h> |
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48 | #include <unistd.h> |
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49 | |
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50 | #include "dagformat.h" |
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51 | #include "libtrace.h" |
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52 | #include "data-struct/vector.h" |
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53 | |
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54 | void iferr(libtrace_t *trace,const char *msg) |
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55 | { |
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56 | libtrace_err_t err = trace_get_err(trace); |
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57 | if (err.err_num==0) |
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58 | return; |
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59 | printf("Error: %s: %s\n", msg, err.problem); |
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60 | exit(1); |
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61 | } |
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62 | |
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63 | const char *lookup_uri(const char *type) { |
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64 | if (strchr(type,':')) |
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65 | return type; |
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66 | if (!strcmp(type,"erf")) |
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67 | return "erf:traces/100_packets.erf"; |
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68 | if (!strcmp(type,"rawerf")) |
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69 | return "rawerf:traces/100_packets.erf"; |
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70 | if (!strcmp(type,"pcap")) |
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71 | return "pcap:traces/100_packets.pcap"; |
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72 | if (!strcmp(type,"wtf")) |
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73 | return "wtf:traces/wed.wtf"; |
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74 | if (!strcmp(type,"rtclient")) |
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75 | return "rtclient:chasm"; |
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76 | if (!strcmp(type,"pcapfile")) |
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77 | return "pcapfile:traces/100_packets.pcap"; |
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78 | if (!strcmp(type,"pcapfilens")) |
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79 | return "pcapfile:traces/100_packetsns.pcap"; |
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80 | if (!strcmp(type, "duck")) |
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81 | return "duck:traces/100_packets.duck"; |
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82 | if (!strcmp(type, "legacyatm")) |
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83 | return "legacyatm:traces/legacyatm.gz"; |
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84 | if (!strcmp(type, "legacypos")) |
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85 | return "legacypos:traces/legacypos.gz"; |
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86 | if (!strcmp(type, "legacyeth")) |
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87 | return "legacyeth:traces/legacyeth.gz"; |
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88 | if (!strcmp(type, "tsh")) |
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89 | return "tsh:traces/10_packets.tsh.gz"; |
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90 | return type; |
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91 | } |
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92 | |
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93 | |
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94 | struct TLS { |
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95 | bool seen_start_message; |
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96 | bool seen_stop_message; |
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97 | bool seen_resuming_message; |
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98 | bool seen_pausing_message; |
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99 | int count; |
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100 | }; |
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101 | |
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102 | static int totalpkts = 0; |
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103 | static void report_result(libtrace_t *trace UNUSED, int mesg, |
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104 | libtrace_generic_t data, |
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105 | libtrace_thread_t *sender UNUSED) { |
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106 | static int totalthreads = 0; |
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107 | switch (mesg) { |
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108 | case MESSAGE_RESULT: |
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109 | assert(libtrace_result_get_key(data.res) == 0); |
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110 | printf("%d,", libtrace_result_get_value(data.res).sint); |
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111 | totalthreads++; |
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112 | totalpkts += libtrace_result_get_value(data.res).sint; |
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113 | break; |
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114 | case MESSAGE_STARTING: |
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115 | // Should have a single thread here |
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116 | assert(libtrace_get_perpkt_count(trace) == 100); |
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117 | printf("\tLooks like %d threads are being used!\n\tcounts(", libtrace_get_perpkt_count(trace)); |
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118 | break; |
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119 | case MESSAGE_STOPPING: |
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120 | printf(")\n"); |
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121 | assert(totalthreads == libtrace_get_perpkt_count(trace)); |
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122 | break; |
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123 | } |
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124 | } |
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125 | |
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126 | static int x; |
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127 | static void* per_packet(libtrace_t *trace, libtrace_thread_t *t, |
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128 | int mesg, libtrace_generic_t data, |
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129 | libtrace_thread_t *sender UNUSED) { |
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130 | struct TLS *tls; |
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131 | void* ret; |
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132 | int a,*b,c=0; |
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133 | tls = trace_get_tls(t); |
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134 | |
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135 | switch (mesg) { |
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136 | case MESSAGE_PACKET: |
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137 | assert(tls != NULL); |
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138 | assert(!(tls->seen_stop_message)); |
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139 | tls->count++; |
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140 | if (tls->count>100) { |
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141 | fprintf(stderr, "Too many packets someone should stop me!!\n"); |
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142 | kill(getpid(), SIGTERM); |
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143 | } |
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144 | // Do some work to even out the load on cores |
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145 | b = &c; |
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146 | for (a = 0; a < 10000000; a++) { |
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147 | c += a**b; |
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148 | } |
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149 | x = c; |
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150 | return data.pkt; |
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151 | case MESSAGE_STARTING: |
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152 | assert(tls == NULL); |
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153 | tls = calloc(sizeof(struct TLS), 1); |
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154 | ret = trace_set_tls(t, tls); |
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155 | assert(ret == NULL); |
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156 | tls->seen_start_message = true; |
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157 | break; |
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158 | case MESSAGE_STOPPING: |
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159 | assert(tls->seen_start_message); |
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160 | assert(tls != NULL); |
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161 | tls->seen_stop_message = true; |
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162 | trace_set_tls(t, NULL); |
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163 | |
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164 | // All threads publish to verify the thread count |
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165 | trace_publish_result(trace, t, (uint64_t) 0, (libtrace_generic_t){.sint=tls->count}, RESULT_NORMAL); |
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166 | trace_post_reporter(trace); |
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167 | free(tls); |
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168 | break; |
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169 | case MESSAGE_TICK: |
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170 | assert(tls->seen_start_message ); |
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171 | fprintf(stderr, "Not expecting a tick packet\n"); |
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172 | kill(getpid(), SIGTERM); |
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173 | break; |
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174 | case MESSAGE_PAUSING: |
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175 | assert(tls->seen_start_message); |
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176 | tls->seen_pausing_message = true; |
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177 | break; |
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178 | case MESSAGE_RESUMING: |
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179 | assert(tls->seen_pausing_message || tls->seen_start_message); |
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180 | tls->seen_resuming_message = true; |
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181 | break; |
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182 | } |
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183 | return NULL; |
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184 | } |
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185 | |
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186 | |
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187 | /** |
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188 | * Test that the single threaded fallback works |
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189 | */ |
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190 | int test_100_threads(const char *tracename, int expected) { |
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191 | libtrace_t *trace; |
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192 | int error = 0; |
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193 | int i; |
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194 | printf("Testing single threaded\n"); |
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195 | |
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196 | // Create the trace |
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197 | trace = trace_create(tracename); |
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198 | iferr(trace,tracename); |
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199 | |
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200 | // Enable the single threaded fallback codepath |
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201 | i = 100; |
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202 | trace_parallel_config(trace, TRACE_OPTION_SET_PERPKT_THREAD_COUNT, &i); |
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203 | |
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204 | // Start it |
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205 | trace_pstart(trace, NULL, per_packet, report_result); |
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206 | iferr(trace,tracename); |
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207 | |
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208 | /* Make sure traces survive a pause and restart */ |
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209 | trace_ppause(trace); |
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210 | iferr(trace,tracename); |
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211 | trace_pstart(trace, NULL, NULL, NULL); |
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212 | iferr(trace,tracename); |
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213 | |
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214 | /* Wait for all threads to stop */ |
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215 | trace_join(trace); |
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216 | |
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217 | /* Now check we have all received all the packets */ |
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218 | if (error == 0) { |
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219 | if (totalpkts == expected) { |
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220 | printf("success: %d packets read\n",expected); |
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221 | } else { |
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222 | printf("failure: %d packets expected, %d seen\n",expected,totalpkts); |
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223 | error = 1; |
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224 | } |
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225 | } else { |
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226 | iferr(trace,tracename); |
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227 | } |
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228 | trace_destroy(trace); |
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229 | return error; |
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230 | } |
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231 | |
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232 | int main(int argc, char *argv[]) { |
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233 | int error = 0; |
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234 | int expected = 100; |
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235 | const char *tracename; |
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236 | |
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237 | if (argc<2) { |
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238 | fprintf(stderr,"usage: %s type\n",argv[0]); |
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239 | return 1; |
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240 | } |
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241 | |
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242 | tracename = lookup_uri(argv[1]); |
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243 | |
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244 | if (strcmp(argv[1],"rtclient")==0) expected=101; |
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245 | |
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246 | error = test_100_threads(tracename, expected); |
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247 | return error; |
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248 | } |
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