1 | /* |
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2 | * Test KA9Q networking |
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3 | * |
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4 | * This program may be distributed and used for any purpose. |
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5 | * I ask only that you: |
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6 | * 1. Leave this author information intact. |
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7 | * 2. Document any changes you make. |
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8 | * |
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9 | * W. Eric Norum |
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10 | * Saskatchewan Accelerator Laboratory |
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11 | * University of Saskatchewan |
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12 | * Saskatoon, Saskatchewan, CANADA |
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13 | * eric@skatter.usask.ca |
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14 | * |
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15 | * $Id$ |
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16 | */ |
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17 | |
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18 | #include <stdio.h> |
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19 | #include <unistd.h> |
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20 | #include <rtems.h> |
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21 | #include <rtems/error.h> |
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22 | #include <socket.h> |
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23 | #include <sockaddr.h> |
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24 | #include <netuser.h> |
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25 | #include <rtems_ka9q.h> |
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26 | |
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27 | #define NSERVER 2 |
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28 | #define BASE_PORT 24742 |
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29 | |
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30 | #define DATA_SINK_HOST "128.233.14.1" |
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31 | |
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32 | /* |
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33 | * Display the contents of several KA9Q tables |
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34 | */ |
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35 | static void |
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36 | show_ka9q_tables (void) |
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37 | { |
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38 | printf ("\n****************** MALLOC Statistics ***************\n"); |
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39 | malloc_dump (); |
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40 | printf ("\n****************** MBUF Statistics ***************\n"); |
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41 | mbufstat (); |
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42 | mbufsizes (); |
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43 | printf ("\n****************** Routing Table ***************\n"); |
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44 | rtems_ka9q_execute_command ("route"); |
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45 | printf ("\n****************** ARP Table ***************\n"); |
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46 | rtems_ka9q_execute_command ("arp"); |
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47 | printf ("\n****************** Driver Statistics ***************\n"); |
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48 | rtems_ka9q_execute_command ("ifconfig rtems"); |
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49 | printf ("\n****************** Ip Statistics ***************\n"); |
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50 | rtems_ka9q_execute_command ("ip status"); |
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51 | printf ("\n****************** ICMP Statistics ***************\n"); |
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52 | rtems_ka9q_execute_command ("icmp status"); |
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53 | printf ("\n****************** UDP Statistics ***************\n"); |
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54 | rtems_ka9q_execute_command ("udp status"); |
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55 | printf ("\n****************** TCP Statistics ***************\n"); |
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56 | rtems_ka9q_execute_command ("tcp status"); |
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57 | } |
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58 | |
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59 | /* |
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60 | * Stress the transmit queue -- send a large number of UDP packets |
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61 | */ |
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62 | static void |
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63 | transmitUdp (void) |
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64 | { |
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65 | int s; |
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66 | int i; |
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67 | static struct sockaddr_in myAddr, farAddr; |
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68 | static char cbuf[800]; |
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69 | static char bigbuf[20000]; |
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70 | |
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71 | printf ("Create socket.\n"); |
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72 | s = socket (AF_INET, SOCK_DGRAM, 0); |
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73 | if (s < 0) |
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74 | rtems_panic ("Can't create socket: %s", strerror (errno)); |
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75 | myAddr.sin_family = AF_INET; |
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76 | myAddr.sin_port = 1234; |
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77 | myAddr.sin_addr.s_addr = INADDR_ANY; |
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78 | printf ("Bind socket.\n"); |
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79 | if (bind (s, (struct sockaddr *)&myAddr, sizeof myAddr) < 0) |
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80 | rtems_panic ("Can't bind socket: %s", strerror (errno)); |
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81 | farAddr.sin_family = AF_INET; |
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82 | farAddr.sin_port = 9; /* The `discard' port */ |
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83 | farAddr.sin_addr.s_addr = 0xFFFFFFFF; |
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84 | for (i = 0 ; i < 5 ; i++) { |
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85 | if (sendto (s, cbuf, sizeof cbuf, 0, (struct sockaddr *)&farAddr, sizeof farAddr) < 0) |
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86 | rtems_panic ("Can't broadcast: %s", strerror (errno)); |
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87 | } |
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88 | farAddr.sin_addr.s_addr = aton (DATA_SINK_HOST); |
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89 | for (i = 0 ; i < 500 ; i++) { |
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90 | if (sendto (s, cbuf, sizeof cbuf, 0, (struct sockaddr *)&farAddr, sizeof farAddr) < 0) |
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91 | rtems_panic ("Can't send: %s", strerror (errno)); |
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92 | if (sendto (s, cbuf, sizeof cbuf, 0, (struct sockaddr *)&farAddr, sizeof farAddr) < 0) |
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93 | rtems_panic ("Can't send: %s", strerror (errno)); |
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94 | } |
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95 | for (i = 0 ; i < 2 ; i++) { |
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96 | if (sendto (s, bigbuf, sizeof bigbuf, 0, (struct sockaddr *)&farAddr, sizeof farAddr) < 0) |
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97 | rtems_panic ("Can't send: %s", strerror (errno)); |
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98 | if (sendto (s, bigbuf, sizeof bigbuf, 0, (struct sockaddr *)&farAddr, sizeof farAddr) < 0) |
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99 | rtems_panic ("Can't send: %s", strerror (errno)); |
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100 | } |
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101 | close (s); |
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102 | } |
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103 | |
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104 | /* |
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105 | * Stress the transmit queue -- send a large number of TCP packets |
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106 | */ |
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107 | static void |
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108 | transmitTcp (void) |
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109 | { |
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110 | int s; |
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111 | int i; |
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112 | static struct sockaddr_in myAddr, farAddr; |
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113 | static char cbuf[800]; |
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114 | static char bigbuf[20000]; |
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115 | |
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116 | printf ("Create socket.\n"); |
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117 | s = socket (AF_INET, SOCK_STREAM, 0); |
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118 | if (s < 0) |
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119 | rtems_panic ("Can't create socket: %s", strerror (errno)); |
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120 | myAddr.sin_family = AF_INET; |
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121 | myAddr.sin_port = 1234; |
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122 | myAddr.sin_addr.s_addr = INADDR_ANY; |
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123 | printf ("Bind socket.\n"); |
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124 | if (bind (s, (struct sockaddr *)&myAddr, sizeof myAddr) < 0) |
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125 | rtems_panic ("Can't bind socket: %s", strerror (errno)); |
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126 | farAddr.sin_family = AF_INET; |
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127 | farAddr.sin_port = 9; /* The `discard' port */ |
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128 | farAddr.sin_addr.s_addr = aton (DATA_SINK_HOST); |
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129 | if (connect (s, (struct sockaddr *)&farAddr, sizeof farAddr) < 0) { |
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130 | printf ("Can't connect socket: %s\n", strerror (errno)); |
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131 | close (s); |
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132 | return; |
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133 | } |
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134 | for (i = 0 ; i < 500 ; i++) { |
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135 | if (write (s, cbuf, sizeof cbuf) < 0) |
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136 | rtems_panic ("Can't send: %s", strerror (errno)); |
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137 | } |
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138 | for (i = 0 ; i < 2 ; i++) { |
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139 | if (write (s, bigbuf, sizeof bigbuf) < 0) |
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140 | rtems_panic ("Can't send: %s", strerror (errno)); |
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141 | } |
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142 | close (s); |
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143 | } |
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144 | |
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145 | /* |
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146 | * Echo characters back to a telnet session |
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147 | * |
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148 | * With this running on the test machine you can go to |
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149 | * another machine on your network and run: |
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150 | * telnet test_machine the_port_number_with_which_this_function_was_started |
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151 | * Everything you type should be echoed back. |
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152 | */ |
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153 | static void |
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154 | echoTask (rtems_task_argument fd) |
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155 | { |
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156 | char cbuf[512]; |
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157 | int n; |
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158 | rtems_status_code sc; |
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159 | |
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160 | for (;;) { |
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161 | #if 0 |
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162 | n = read (fd, cbuf, sizeof cbuf); |
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163 | #else |
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164 | n = read (fd, cbuf, 1); |
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165 | #endif |
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166 | if (n == 0) { |
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167 | printf ("EOF\n"); |
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168 | break; |
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169 | } |
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170 | else if (n < 0) { |
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171 | rtems_panic ("Error receiving message: %s", strerror (errno)); |
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172 | } |
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173 | printf ("Received: %d\n", n); |
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174 | if (send (fd, cbuf, n, 0) < 0) |
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175 | rtems_panic ("Error sending message: %s", strerror (errno)); |
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176 | if (cbuf[0] == '\007') |
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177 | show_ka9q_tables (); |
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178 | if (cbuf[0] == 'Q') |
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179 | break; |
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180 | } |
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181 | if (close (fd) < 0) |
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182 | rtems_panic ("Can't close connection: %s", strerror (errno)); |
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183 | sc = rtems_task_delete (RTEMS_SELF); |
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184 | rtems_panic ("Task deletion failed: %s", rtems_status_text (sc)); |
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185 | } |
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186 | |
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187 | static void |
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188 | echoServer (unsigned short port) |
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189 | { |
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190 | int s, s1; |
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191 | struct sockaddr_in myAddr, farAddr; |
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192 | int addrlen; |
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193 | rtems_id tid; |
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194 | rtems_task_priority my_priority; |
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195 | rtems_status_code sc; |
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196 | char c = 'a'; |
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197 | |
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198 | printf ("Create socket.\n"); |
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199 | s = socket (AF_INET, SOCK_STREAM, 0); |
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200 | if (s < 0) |
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201 | rtems_panic ("Can't create socket: %s", strerror (errno)); |
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202 | myAddr.sin_family = AF_INET; |
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203 | myAddr.sin_port = port; |
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204 | myAddr.sin_addr.s_addr = INADDR_ANY; |
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205 | memset (myAddr.sin_zero, '\0', sizeof myAddr.sin_zero); |
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206 | printf ("Bind socket.\n"); |
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207 | if (bind (s, (struct sockaddr *)&myAddr, sizeof myAddr) < 0) |
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208 | rtems_panic ("Can't bind socket: %s", strerror (errno)); |
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209 | printf ("Listen.\n"); |
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210 | if (listen (s, 2) < 0) |
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211 | rtems_panic ("Can't listen on socket: %s", strerror (errno)); |
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212 | for (;;) { |
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213 | printf ("Accept.\n"); |
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214 | addrlen = sizeof farAddr; |
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215 | s1 = accept (s, (struct sockaddr *)&farAddr, &addrlen); |
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216 | if (s1 < 0) |
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217 | rtems_panic ("Can't accept connection: %s", strerror (errno)); |
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218 | else |
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219 | printf ("ACCEPTED:%lX\n", farAddr.sin_addr.s_addr); |
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220 | |
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221 | /* |
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222 | * Start an echo task |
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223 | */ |
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224 | rtems_task_set_priority (RTEMS_SELF, RTEMS_CURRENT_PRIORITY, &my_priority); |
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225 | sc = rtems_task_create (rtems_build_name ('E', 'C', 'H', c), |
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226 | my_priority, |
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227 | 8*1024, |
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228 | RTEMS_PREEMPT|RTEMS_NO_TIMESLICE|RTEMS_NO_ASR|RTEMS_INTERRUPT_LEVEL(0), |
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229 | RTEMS_NO_FLOATING_POINT|RTEMS_LOCAL, |
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230 | &tid); |
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231 | if (sc != RTEMS_SUCCESSFUL) |
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232 | rtems_panic ("Can't create echo task; %s\n", rtems_status_text (sc)); |
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233 | if (c == 'z') |
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234 | c = 'a'; |
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235 | else |
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236 | c++; |
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237 | sc = rtems_task_start (tid, echoTask, s1); |
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238 | if (sc != RTEMS_SUCCESSFUL) |
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239 | rtems_panic ("Can't start echo task; %s\n", rtems_status_text (sc)); |
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240 | } |
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241 | } |
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242 | |
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243 | /* |
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244 | * Run an echo server |
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245 | */ |
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246 | static void |
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247 | runEchoServer (rtems_task_argument arg) |
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248 | { |
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249 | echoServer (arg); |
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250 | rtems_task_delete (RTEMS_SELF); |
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251 | } |
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252 | |
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253 | /* |
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254 | * Test some socket stuff |
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255 | */ |
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256 | void |
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257 | doSocket (void) |
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258 | { |
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259 | int i; |
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260 | rtems_status_code sc; |
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261 | rtems_task_priority my_priority; |
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262 | |
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263 | /* |
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264 | * Spawn other servers |
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265 | */ |
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266 | rtems_task_set_priority (RTEMS_SELF, RTEMS_CURRENT_PRIORITY, &my_priority); |
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267 | for (i = 0 ; i < NSERVER ; i++) { |
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268 | rtems_id tid; |
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269 | sc = rtems_task_create (rtems_build_name ('S', 'R', 'V', 'A' + i), |
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270 | my_priority - 1, |
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271 | 8*1024, |
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272 | RTEMS_PREEMPT|RTEMS_NO_TIMESLICE|RTEMS_NO_ASR|RTEMS_INTERRUPT_LEVEL(0), |
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273 | RTEMS_NO_FLOATING_POINT|RTEMS_LOCAL, |
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274 | &tid); |
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275 | if (sc != RTEMS_SUCCESSFUL) { |
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276 | printf ("Can't create server; %s\n", rtems_status_text (sc)); |
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277 | return; |
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278 | } |
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279 | sc = rtems_task_start (tid, runEchoServer, BASE_PORT + i); |
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280 | if (sc != RTEMS_SUCCESSFUL) { |
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281 | printf ("Can't start server; %s\n", rtems_status_text (sc)); |
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282 | return; |
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283 | } |
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284 | } |
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285 | |
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286 | /* |
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287 | * Wait for characters from console terminal |
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288 | */ |
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289 | for (;;) { |
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290 | switch (getchar ()) { |
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291 | case '\004': |
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292 | return; |
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293 | |
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294 | case 't': |
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295 | /* |
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296 | * Test the transmit queues |
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297 | */ |
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298 | transmitTcp (); |
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299 | break; |
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300 | |
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301 | case 'u': |
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302 | /* |
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303 | * Test the transmit queues |
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304 | */ |
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305 | transmitUdp (); |
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306 | break; |
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307 | |
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308 | case 's': |
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309 | /* |
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310 | * Show what's been accomplished |
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311 | */ |
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312 | show_ka9q_tables (); |
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313 | break; |
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314 | } |
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315 | } |
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316 | } |
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