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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 | |||
| 235 | if( verbose ) fprintf( "Exiting\n" ); |
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| 236 | |||
| 237 | return EOK; |
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| 238 | } |
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| 239 | |||
| 240 | /** @} |
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| 241 | */ |