1 | /* |
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2 | * A collection of hacks, glue, and patches to |
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3 | * provide a `UNIX-like' environment to ttcp. |
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4 | * |
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5 | * Some of the code here should migrate to the libc |
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6 | * support routines some day. Some of the more sleazy |
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7 | * hacks should never make it outside this file! |
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8 | * |
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9 | * This program may be distributed and used for any purpose. |
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10 | * I ask only that you: |
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11 | * 1. Leave this author information intact. |
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12 | * 2. Document any changes you make. |
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13 | * |
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14 | * W. Eric Norum |
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15 | * Saskatchewan Accelerator Laboratory |
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16 | * University of Saskatchewan |
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17 | * Saskatoon, Saskatchewan, CANADA |
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18 | * eric@skatter.usask.ca |
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19 | */ |
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20 | |
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21 | #include <stdio.h> |
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22 | #include <rtems.h> |
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23 | #include <rtems_ka9q.h> |
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24 | #include <rtems/error.h> |
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25 | #include <socket.h> |
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26 | #include <sockaddr.h> |
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27 | #include <netuser.h> |
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28 | #include <sys/time.h> |
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29 | |
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30 | /* |
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31 | * Glue between UNIX-style ttcp code and RTEMS |
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32 | */ |
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33 | int rtems_ttcp_main (int argc, char **argv); |
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34 | |
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35 | #define ENOBUFS 2000 |
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36 | |
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37 | struct hostent { |
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38 | char *h_name; /* official name of host */ |
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39 | char **h_aliases; /* alias list */ |
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40 | int h_addrtype; /* host address type */ |
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41 | int h_length; /* length of address */ |
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42 | char **h_addr_list; /* list of addresses from name server */ |
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43 | #define h_addr h_addr_list[0] /* address, for backward compatiblity */ |
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44 | }; |
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45 | |
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46 | #define SOL_SOCKET 0 |
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47 | #define SO_DEBUG 0 |
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48 | |
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49 | static struct hostent * |
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50 | gethostbyname (const char *cp) |
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51 | { |
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52 | rtems_panic ("gethostbyname()"); |
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53 | } |
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54 | |
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55 | static int |
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56 | select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout) |
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57 | { |
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58 | rtems_panic ("select()"); |
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59 | } |
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60 | |
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61 | static void |
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62 | (*signal(int sig, void (*func)()))() |
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63 | { |
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64 | return 0;; |
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65 | } |
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66 | |
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67 | static char * |
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68 | rtems_inet_ntoa (struct in_addr in) |
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69 | { |
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70 | return inet_ntoa (in.s_addr); |
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71 | } |
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72 | #define inet_ntoa rtems_inet_ntoa |
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73 | #define inet_addr(cp) resolve(cp) |
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74 | |
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75 | int |
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76 | gettimeofday (struct timeval *tp, struct timezone *tzp) |
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77 | { |
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78 | rtems_clock_time_value now; |
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79 | |
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80 | rtems_clock_get (RTEMS_CLOCK_GET_TIME_VALUE, &now); |
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81 | tp->tv_sec = now.seconds; |
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82 | tp->tv_usec = now.microseconds; |
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83 | return 0; |
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84 | } |
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85 | |
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86 | #define _SYS_RESOURCE_H_ |
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87 | #define RUSAGE_SELF 0 /* calling process */ |
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88 | #define RUSAGE_CHILDREN -1 /* terminated child processes */ |
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89 | struct rusage { |
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90 | struct timeval ru_utime; /* user time used */ |
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91 | struct timeval ru_stime; /* system time used */ |
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92 | int ru_maxrss; /* maximum resident set size */ |
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93 | int ru_ixrss; /* currently 0 */ |
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94 | int ru_idrss; /* integral resident set size */ |
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95 | int ru_isrss; /* currently 0 */ |
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96 | int ru_minflt; /* page faults not requiring physical I/O */ |
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97 | int ru_majflt; /* page faults requiring physical I/O */ |
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98 | int ru_nswap; /* swaps */ |
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99 | int ru_inblock; /* block input operations */ |
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100 | int ru_oublock; /* block output operations */ |
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101 | int ru_msgsnd; /* messages sent */ |
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102 | int ru_msgrcv; /* messages received */ |
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103 | int ru_nsignals; /* signals received */ |
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104 | int ru_nvcsw; /* voluntary context switches */ |
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105 | int ru_nivcsw; /* involuntary context switches */ |
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106 | }; |
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107 | int |
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108 | getrusage(int ignored, struct rusage *ru) |
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109 | { |
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110 | rtems_clock_time_value now; |
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111 | static struct rusage nullUsage; |
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112 | |
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113 | rtems_clock_get (RTEMS_CLOCK_GET_TIME_VALUE, &now); |
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114 | *ru = nullUsage; |
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115 | ru->ru_stime.tv_sec = now.seconds; |
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116 | ru->ru_stime.tv_usec = now.microseconds; |
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117 | ru->ru_utime.tv_sec = 0; |
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118 | ru->ru_utime.tv_usec = 0; |
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119 | return 0; |
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120 | } |
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121 | |
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122 | /* |
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123 | * Display the contents of several KA9Q tables |
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124 | */ |
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125 | static void |
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126 | show_ka9q_tables (void) |
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127 | { |
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128 | printf ("\n****************** MBUF Statistics ***************\n"); |
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129 | mbufstat (); |
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130 | mbufsizes (); |
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131 | printf ("\n****************** Routing Table ***************\n"); |
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132 | rtems_ka9q_execute_command ("route"); |
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133 | printf ("\n****************** ARP Table ***************\n"); |
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134 | rtems_ka9q_execute_command ("arp"); |
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135 | printf ("\n****************** Driver Statistics ***************\n"); |
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136 | rtems_ka9q_execute_command ("ifconfig rtems"); |
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137 | printf ("\n****************** Ip Statistics ***************\n"); |
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138 | rtems_ka9q_execute_command ("ip status"); |
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139 | printf ("\n****************** ICMP Statistics ***************\n"); |
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140 | rtems_ka9q_execute_command ("icmp status"); |
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141 | printf ("\n****************** UDP Statistics ***************\n"); |
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142 | rtems_ka9q_execute_command ("udp status"); |
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143 | printf ("\n****************** TCP Statistics ***************\n"); |
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144 | rtems_ka9q_execute_command ("tcp status"); |
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145 | } |
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146 | |
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147 | static void |
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148 | rtems_ttcp_exit (int code) |
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149 | { |
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150 | rtems_interval ticksPerSecond; |
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151 | |
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152 | rtems_clock_get (RTEMS_CLOCK_GET_TICKS_PER_SECOND, &ticksPerSecond); |
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153 | rtems_task_wake_after (ticksPerSecond * 2); |
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154 | show_ka9q_tables (); |
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155 | exit (code); |
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156 | } |
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157 | |
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158 | /* |
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159 | * Task to run UNIX ttcp command |
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160 | */ |
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161 | char *__progname; |
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162 | static void |
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163 | ttcpTask (rtems_task_argument arg) |
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164 | { |
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165 | int code; |
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166 | int argc; |
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167 | char arg0[10]; |
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168 | char *argv[20]; |
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169 | char linebuf[200]; |
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170 | |
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171 | for (;;) { |
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172 | char *cp; |
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173 | |
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174 | /* |
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175 | * Set up first argument |
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176 | */ |
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177 | argc = 1; |
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178 | strcpy (arg0, "ttcp"); |
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179 | argv[0] = __progname = arg0; |
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180 | |
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181 | /* |
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182 | * Read a line |
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183 | */ |
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184 | printf (">>> %s ", argv[0]); |
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185 | fflush (stdout); |
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186 | fgets (linebuf, sizeof linebuf, stdin); |
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187 | |
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188 | /* |
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189 | * Break line into arguments |
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190 | */ |
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191 | cp = linebuf; |
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192 | for (;;) { |
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193 | while (isspace (*cp)) |
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194 | *cp++ = '\0'; |
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195 | if (*cp == '\0') |
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196 | break; |
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197 | if (argc >= ((sizeof argv / sizeof argv[0]) - 1)) { |
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198 | printf ("Too many arguments.\n"); |
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199 | argc = 0; |
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200 | break; |
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201 | } |
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202 | argv[argc++] = cp; |
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203 | while (!isspace (*cp)) { |
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204 | if (*cp == '\0') |
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205 | break; |
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206 | cp++; |
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207 | } |
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208 | } |
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209 | if (argc > 1) { |
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210 | argv[argc] = NULL; |
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211 | break; |
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212 | } |
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213 | printf ("You must give some arguments!\n"); |
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214 | printf ("At the very least, you must provide\n"); |
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215 | printf (" -r\n"); |
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216 | printf ("or\n"); |
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217 | printf (" -t destination.internet.address\n"); |
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218 | } |
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219 | code = rtems_ttcp_main (argc, argv); |
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220 | rtems_ttcp_exit (code); |
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221 | } |
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222 | |
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223 | static int |
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224 | rtems_ttcp_bind (int s, struct sockaddr *name, int namelen) |
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225 | { |
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226 | struct sockaddr_in *in = (struct sockaddr_in *)name; |
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227 | /* |
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228 | * KA9Q doesn't like 0 port numbers |
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229 | */ |
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230 | if (in->sin_port == 0) |
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231 | in->sin_port = 2662; |
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232 | return bind (s, name, namelen); |
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233 | } |
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234 | |
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235 | /* |
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236 | * Test network throughput |
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237 | */ |
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238 | void |
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239 | test_network (void) |
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240 | { |
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241 | rtems_id tid; |
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242 | rtems_status_code sc; |
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243 | rtems_time_of_day now; |
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244 | rtems_task_priority my_priority; |
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245 | |
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246 | /* |
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247 | * Set up time-of-day clock |
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248 | */ |
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249 | now.year = 1997; |
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250 | now.month = 1; |
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251 | now.day = 1; |
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252 | now.hour = 0; |
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253 | now.minute = 0; |
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254 | now.second = 0; |
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255 | now.ticks = 0; |
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256 | sc = rtems_clock_set (&now); |
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257 | if (sc != RTEMS_SUCCESSFUL) { |
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258 | printf ("Can't set date/time; %s\n", rtems_status_text (sc)); |
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259 | return; |
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260 | } |
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261 | |
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262 | /* |
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263 | * Spawn test task |
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264 | */ |
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265 | rtems_task_set_priority (RTEMS_SELF, RTEMS_CURRENT_PRIORITY, &my_priority); |
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266 | sc = rtems_task_create (rtems_build_name ('T', 'T', 'C', 'P'), |
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267 | my_priority, |
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268 | 32*1024, |
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269 | RTEMS_PREEMPT|RTEMS_NO_TIMESLICE|RTEMS_NO_ASR|RTEMS_INTERRUPT_LEVEL(0), |
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270 | RTEMS_NO_FLOATING_POINT|RTEMS_LOCAL, |
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271 | &tid); |
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272 | if (sc != RTEMS_SUCCESSFUL) { |
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273 | printf ("Can't create task; %s\n", rtems_status_text (sc)); |
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274 | return; |
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275 | } |
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276 | sc = rtems_task_start (tid, ttcpTask, 0); |
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277 | if (sc != RTEMS_SUCCESSFUL) { |
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278 | printf ("Can't start task; %s\n", rtems_status_text (sc)); |
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279 | return; |
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280 | } |
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281 | rtems_task_suspend (RTEMS_SELF); |
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282 | } |
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283 | |
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284 | #define main rtems_ttcp_main |
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285 | #define exit(code) close(fd),rtems_ttcp_exit(code) |
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286 | #define bind rtems_ttcp_bind |
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287 | #define read_timer rtems_read_timer |
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288 | |
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289 | /* |
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290 | * RTEMS/KA9Q code expects port numbers in host byte order! |
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291 | */ |
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292 | #define htons(x) (x) |
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293 | |
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294 | #include "ttcp_orig/ttcp.c" |
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