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4716 | mejdrech | 1 | /* |
2 | * Copyright (c) 2009 Lukas Mejdrech |
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3 | * All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * - Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |||
29 | /** @addtogroup ping |
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30 | * @{ |
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31 | */ |
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32 | |||
33 | /** @file |
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34 | * Ping application. |
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35 | */ |
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36 | |||
37 | #include <stdio.h> |
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38 | #include <string.h> |
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39 | #include <task.h> |
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40 | #include <time.h> |
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41 | #include <ipc/services.h> |
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42 | |||
43 | #include "../../include/icmp_api.h" |
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44 | #include "../../include/in.h" |
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45 | #include "../../include/inet.h" |
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46 | #include "../../include/ip_codes.h" |
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47 | #include "../../include/socket_codes.h" |
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48 | |||
49 | #include "../../err.h" |
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50 | |||
51 | #include "../parse.h" |
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52 | |||
53 | /** Echo module name. |
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54 | */ |
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55 | #define NAME "Ping" |
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56 | |||
57 | /** Module entry point. |
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58 | * Reads command line parameters and pings. |
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59 | * @param argc The number of command line parameters. Input parameter. |
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60 | * @param argv The command line parameters. Input parameter. |
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61 | * @returns EOK on success. |
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62 | */ |
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63 | int main( int argc, char * argv[] ); |
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64 | |||
65 | /** Prints the application help. |
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66 | */ |
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67 | void print_help( void ); |
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68 | |||
69 | /** Translates the character string to the address family number. |
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70 | * @param name The address family name. Input parameter. |
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71 | * @returns The corresponding address family number. |
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72 | */ |
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73 | int parse_address_family( const char * name ); |
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74 | |||
75 | void print_help( void ){ |
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76 | printf( |
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77 | "Network Ping aplication\n" \ |
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78 | "Usage: ping [options] numeric_address\n" \ |
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79 | "Where options are:\n" \ |
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80 | "\n" \ |
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81 | "-c request_count | --count=request_count\n" \ |
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82 | "\tThe number of packets the application sends. The default is three (3).\n" \ |
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83 | "\n" \ |
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84 | "--dont_fragment\n" \ |
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85 | "\tDisable packet fragmentation.\n" |
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86 | "\n" \ |
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87 | "-f address_family | --family=address_family\n" \ |
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88 | "\tThe given address family. Only the AF_INET is supported.\n" |
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89 | "\n" \ |
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90 | "-h | --help\n" \ |
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91 | "\tShow this application help.\n" |
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92 | "\n" \ |
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93 | "-s packet_size | --size=packet_size\n" \ |
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94 | "\tThe packet data size the application sends. The default is 38 bytes.\n" \ |
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95 | "\n" \ |
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96 | "-t timeout | --timeout=timeout\n" \ |
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97 | "\tThe number of miliseconds the application waits for a reply. The default is three thousands (3 000).\n" \ |
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98 | "\n" \ |
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99 | "--tos=tos\n" \ |
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100 | "\tThe type of service to be used.\n" \ |
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101 | "\n" \ |
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102 | "--ttl=ttl\n" \ |
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103 | "\tThe time to live to be used.\n" \ |
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104 | "\n" \ |
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105 | "-v | --verbose\n" \ |
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106 | "\tShow all output messages.\n" |
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107 | ); |
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108 | } |
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109 | |||
110 | int parse_address_family( const char * name ){ |
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111 | if( str_lcmp( name, "AF_INET", 7 ) == 0 ){ |
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112 | return AF_INET; |
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113 | } |
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114 | return ENOENT; |
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115 | } |
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116 | |||
117 | int main( int argc, char * argv[] ){ |
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118 | ERROR_DECLARE; |
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119 | |||
120 | size_t size = 38; |
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121 | int verbose = 0; |
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122 | int dont_fragment = 0; |
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123 | ip_ttl_t ttl = 0; |
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124 | ip_tos_t tos = 0; |
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125 | int count = 3; |
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126 | suseconds_t timeout = 3000; |
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127 | struct sockaddr_in address = { .sin_family = AF_INET, .sin_port = 7 }; |
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128 | |||
129 | int icmp_phone; |
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130 | struct timeval time_before; |
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131 | struct timeval time_after; |
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132 | int result; |
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133 | int value; |
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134 | int index; |
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135 | |||
136 | printf( "Task %d - ", task_get_id()); |
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137 | printf( "%s\n", NAME ); |
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138 | |||
139 | for( index = 1; index < argc - 1; ++ index ){ |
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140 | if( argv[ index ][ 0 ] == '-' ){ |
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141 | switch( argv[ index ][ 1 ] ){ |
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142 | case 'c': ERROR_PROPAGATE( parse_parameter_int( argc, argv, & index, & count, "count", 0 )); |
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143 | break; |
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144 | case 'f': ERROR_PROPAGATE( parse_parameter_name_int( argc, argv, & index, & value, "address family", 0, parse_address_family )); |
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145 | address.sin_family = ( uint16_t ) value; |
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146 | break; |
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147 | case 'h': print_help(); |
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148 | return EOK; |
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149 | break; |
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150 | case 's': ERROR_PROPAGATE( parse_parameter_int( argc, argv, & index, & value, "packet size", 0 )); |
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151 | size = (value >= 0 ) ? ( size_t ) value : 0; |
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152 | break; |
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153 | case 't': ERROR_PROPAGATE( parse_parameter_int( argc, argv, & index, & value, "timeout", 0 )); |
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154 | timeout = (value >= 0 ) ? ( suseconds_t ) value : 0; |
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155 | break; |
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156 | case 'v': verbose = 1; |
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157 | break; |
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158 | case '-': if( str_lcmp( argv[ index ] + 2, "count=", 6 ) == 0 ){ |
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159 | ERROR_PROPAGATE( parse_parameter_int( argc, argv, & index, & count, "received count", 8 )) |
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160 | }else if( str_lcmp( argv[ index ] + 2, "dont_fragment", 13 ) == 0 ){ |
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161 | dont_fragment = 1; |
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162 | }else if( str_lcmp( argv[ index ] + 2, "family=", 7 ) == 0 ){ |
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163 | ERROR_PROPAGATE( parse_parameter_name_int( argc, argv, & index, & value, "address family", 9, parse_address_family )); |
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164 | address.sin_family = ( uint16_t ) value; |
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165 | }else if( str_lcmp( argv[ index ] + 2, "help", 5 ) == 0 ){ |
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166 | print_help(); |
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167 | return EOK; |
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168 | }else if( str_lcmp( argv[ index ] + 2, "size=", 5 ) == 0 ){ |
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169 | ERROR_PROPAGATE( parse_parameter_int( argc, argv, & index, & value, "packet size", 7 )); |
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170 | size = (value >= 0 ) ? ( size_t ) value : 0; |
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171 | }else if( str_lcmp( argv[ index ] + 2, "timeout=", 8 ) == 0 ){ |
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172 | ERROR_PROPAGATE( parse_parameter_int( argc, argv, & index, & value, "timeout", 7 )); |
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173 | timeout = (value >= 0 ) ? ( suseconds_t ) value : 0; |
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174 | }else if( str_lcmp( argv[ index ] + 2, "tos=", 4 ) == 0 ){ |
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175 | ERROR_PROPAGATE( parse_parameter_int( argc, argv, & index, & value, "type of service", 7 )); |
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176 | tos = (value >= 0 ) ? ( ip_tos_t ) value : 0; |
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177 | }else if( str_lcmp( argv[ index ] + 2, "ttl=", 4 ) == 0 ){ |
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178 | ERROR_PROPAGATE( parse_parameter_int( argc, argv, & index, & value, "time to live", 7 )); |
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179 | ttl = (value >= 0 ) ? ( ip_ttl_t ) value : 0; |
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180 | }else if( str_lcmp( argv[ index ] + 2, "verbose", 8 ) == 0 ){ |
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181 | verbose = 1; |
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182 | }else{ |
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183 | print_unrecognized( index, argv[ index ] + 2 ); |
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184 | print_help(); |
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185 | return EINVAL; |
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186 | } |
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187 | break; |
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188 | default: |
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189 | print_unrecognized( index, argv[ index ] + 1 ); |
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190 | print_help(); |
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191 | return EINVAL; |
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192 | } |
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193 | }else{ |
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194 | print_unrecognized( index, argv[ index ] ); |
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195 | print_help(); |
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196 | return EINVAL; |
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197 | } |
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198 | } |
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199 | |||
200 | if( ERROR_OCCURRED( inet_pton( address.sin_family, argv[ argc - 1 ], ( uint8_t * ) & address.sin_addr ))){ |
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201 | fprintf( stderr, "Address parse error %d\n", ERROR_CODE ); |
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202 | return ERROR_CODE; |
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203 | } |
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204 | |||
205 | icmp_phone = icmp_connect_module( SERVICE_ICMP ); |
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206 | if( icmp_phone < 0 ){ |
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207 | fprintf( stderr, "ICMP connect error %d\n", icmp_phone ); |
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208 | } |
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209 | |||
210 | printf( "PING %d bytes of data\n", size ); |
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211 | |||
212 | while( count > 0 ){ |
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213 | if( ERROR_OCCURRED( gettimeofday( & time_before, NULL ))){ |
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214 | fprintf( stderr, "Get time of day error %d\n", ERROR_CODE ); |
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215 | return ERROR_CODE; |
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216 | } |
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217 | result = icmp_echo_msg( icmp_phone, size, timeout, ttl, tos, dont_fragment, ( struct sockaddr * ) & address, sizeof( address )); |
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218 | if( ERROR_OCCURRED( gettimeofday( & time_after, NULL ))){ |
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219 | fprintf( stderr, "Get time of day error %d\n", ERROR_CODE ); |
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220 | return ERROR_CODE; |
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221 | } |
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222 | switch( result ){ |
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223 | case ICMP_ECHO: |
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224 | printf( "Ping round trip time %d microseconds\n", tv_sub( & time_after, & time_before )); |
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225 | break; |
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226 | case ELIMIT: |
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227 | printf( "Timeouted.\n" ); |
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228 | break; |
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229 | default: |
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230 | printf( "Error %d.\n", result ); |
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231 | } |
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232 | -- count; |
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233 | } |
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234 | |||
4717 | mejdrech | 235 | if( verbose ) printf( "Exiting\n" ); |
4716 | mejdrech | 236 | |
237 | return EOK; |
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238 | } |
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239 | |||
240 | /** @} |
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241 | */ |