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annotate packages/net/snmp/agent/current/src/mibgroup/mibII/tcp.c @ 208:e0c0827131d1 ecos

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Merge from eCos master repository on 2002-05-20-20:11:54-BST
author jlarmour
date Mon, 20 May 2002 22:19:26 +0000
parents 95f3e12a6327
children d2c90368aeef
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1 //==========================================================================
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2 //
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3 // snmp/snmpagent/current/src/mibgroup/mibII/tcp.c
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4 //
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5 //
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6 //==========================================================================
208
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7 //####ECOSGPLCOPYRIGHTBEGIN####
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8 // -------------------------------------------
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9 // This file is part of eCos, the Embedded Configurable Operating System.
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10 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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11 //
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12 // eCos is free software; you can redistribute it and/or modify it under
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13 // the terms of the GNU General Public License as published by the Free
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14 // Software Foundation; either version 2 or (at your option) any later version.
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15 //
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16 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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17 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
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18 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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19 // for more details.
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20 //
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21 // You should have received a copy of the GNU General Public License along
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22 // with eCos; if not, write to the Free Software Foundation, Inc.,
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23 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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24 //
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25 // As a special exception, if other files instantiate templates or use macros
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26 // or inline functions from this file, or you compile this file and link it
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27 // with other works to produce a work based on this file, this file does not
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28 // by itself cause the resulting work to be covered by the GNU General Public
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29 // License. However the source code for this file must still be made available
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30 // in accordance with section (3) of the GNU General Public License.
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31 //
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32 // This exception does not invalidate any other reasons why a work based on
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33 // this file might be covered by the GNU General Public License.
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34 //
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35 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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36 // at http://sources.redhat.com/ecos/ecos-license
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37 // -------------------------------------------
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38 //####ECOSGPLCOPYRIGHTEND####
103
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39 //####UCDSNMPCOPYRIGHTBEGIN####
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40 //
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41 // -------------------------------------------
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42 //
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43 // Portions of this software may have been derived from the UCD-SNMP
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44 // project, <http://ucd-snmp.ucdavis.edu/> from the University of
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45 // California at Davis, which was originally based on the Carnegie Mellon
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46 // University SNMP implementation. Portions of this software are therefore
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47 // covered by the appropriate copyright disclaimers included herein.
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48 //
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49 // The release used was version 4.1.2 of May 2000. "ucd-snmp-4.1.2"
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50 // -------------------------------------------
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51 //
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52 //####UCDSNMPCOPYRIGHTEND####
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53 //==========================================================================
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54 //#####DESCRIPTIONBEGIN####
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55 //
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56 // Author(s): hmt
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57 // Contributors: hmt
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58 // Date: 2000-05-30
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59 // Purpose: Port of UCD-SNMP distribution to eCos.
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60 // Description:
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61 //
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62 //
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63 //####DESCRIPTIONEND####
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64 //
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65 //==========================================================================
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66 /********************************************************************
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67 Copyright 1989, 1991, 1992 by Carnegie Mellon University
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68
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69 Derivative Work -
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70 Copyright 1996, 1998, 1999, 2000 The Regents of the University of California
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71
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72 All Rights Reserved
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73
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74 Permission to use, copy, modify and distribute this software and its
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75 documentation for any purpose and without fee is hereby granted,
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76 provided that the above copyright notice appears in all copies and
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77 that both that copyright notice and this permission notice appear in
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78 supporting documentation, and that the name of CMU and The Regents of
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79 the University of California not be used in advertising or publicity
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80 pertaining to distribution of the software without specific written
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81 permission.
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82
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83 CMU AND THE REGENTS OF THE UNIVERSITY OF CALIFORNIA DISCLAIM ALL
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84 WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED
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85 WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL CMU OR
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86 THE REGENTS OF THE UNIVERSITY OF CALIFORNIA BE LIABLE FOR ANY SPECIAL,
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87 INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
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88 FROM THE LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
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89 CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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90 CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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91 *********************************************************************/
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92 /* This file was generated by mib2c and is intended for use as a mib module
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93 for the ucd-snmp snmpd agent. */
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94
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95
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96 /* This should always be included first before anything else */
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97 #include <config.h>
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98
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99
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100 /* minimal include directives */
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101 #include "mibincl.h"
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102 #include "mibgroup/util_funcs.h"
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103 #include "mibgroup/mibII/tcp.h"
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104
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105 #include <sys/protosw.h>
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106
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107 #define _KERNEL
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108 #include <netinet/in.h>
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109 #include <netinet/in_systm.h>
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110 #include <netinet/ip.h>
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111 #include <netinet/in_pcb.h>
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112 #include <netinet/ip_var.h>
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113 #include <netinet/tcp.h>
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114 //#define TCPOUTFLAGS
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115 #include <netinet/tcp_fsm.h>
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116 #include <netinet/tcp_seq.h>
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117 #include <netinet/tcp_timer.h>
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118 #include <netinet/tcp_var.h>
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119 #include <netinet/tcpip.h>
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120 #include <netinet/tcp_debug.h>
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121
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122 /*
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123 * tcp_variables_oid:
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124 * this is the top level oid that we want to register under. This
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125 * is essentially a prefix, with the suffix appearing in the
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126 * variable below.
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127 */
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128
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129
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130 oid tcp_variables_oid[] = { 1,3,6,1,2,1,6 };
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131
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132
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133 /*
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134 * variable4 tcp_variables:
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135 * this variable defines function callbacks and type return information
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136 * for the tcp mib section
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137 */
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138
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139
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140 struct variable4 tcp_variables[] = {
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141 /* magic number , variable type , ro/rw , callback fn , L, oidsuffix */
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142 #define TCPRTOALGORITHM 1
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143 { TCPRTOALGORITHM , ASN_INTEGER , RONLY , var_tcp, 1, { 1 } },
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144 #define TCPRTOMIN 2
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145 { TCPRTOMIN , ASN_INTEGER , RONLY , var_tcp, 1, { 2 } },
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146 #define TCPRTOMAX 3
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147 { TCPRTOMAX , ASN_INTEGER , RONLY , var_tcp, 1, { 3 } },
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148 #define TCPMAXCONN 4
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149 { TCPMAXCONN , ASN_INTEGER , RONLY , var_tcp, 1, { 4 } },
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150 #define TCPACTIVEOPENS 5
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151 { TCPACTIVEOPENS , ASN_COUNTER , RONLY , var_tcp, 1, { 5 } },
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152 #define TCPPASSIVEOPENS 6
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153 { TCPPASSIVEOPENS , ASN_COUNTER , RONLY , var_tcp, 1, { 6 } },
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154 #define TCPATTEMPTFAILS 7
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155 { TCPATTEMPTFAILS , ASN_COUNTER , RONLY , var_tcp, 1, { 7 } },
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156 #define TCPESTABRESETS 8
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157 { TCPESTABRESETS , ASN_COUNTER , RONLY , var_tcp, 1, { 8 } },
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158 #define TCPCURRESTAB 9
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159 { TCPCURRESTAB , ASN_GAUGE , RONLY , var_tcp, 1, { 9 } },
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160 #define TCPINSEGS 10
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161 { TCPINSEGS , ASN_COUNTER , RONLY , var_tcp, 1, { 10 } },
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162 #define TCPOUTSEGS 11
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163 { TCPOUTSEGS , ASN_COUNTER , RONLY , var_tcp, 1, { 11 } },
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164 #define TCPRETRANSSEGS 12
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165 { TCPRETRANSSEGS , ASN_COUNTER , RONLY , var_tcp, 1, { 12 } },
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166 #define TCPCONNSTATE 15
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167 { TCPCONNSTATE , ASN_INTEGER , RWRITE, var_tcpConnTable, 3, { 13,1,1 } },
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168 #define TCPCONNLOCALADDRESS 16
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169 { TCPCONNLOCALADDRESS , ASN_IPADDRESS , RONLY , var_tcpConnTable, 3, { 13,1,2 } },
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170 #define TCPCONNLOCALPORT 17
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171 { TCPCONNLOCALPORT , ASN_INTEGER , RONLY , var_tcpConnTable, 3, { 13,1,3 } },
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172 #define TCPCONNREMADDRESS 18
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173 { TCPCONNREMADDRESS , ASN_IPADDRESS , RONLY , var_tcpConnTable, 3, { 13,1,4 } },
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174 #define TCPCONNREMPORT 19
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175 { TCPCONNREMPORT , ASN_INTEGER , RONLY , var_tcpConnTable, 3, { 13,1,5 } },
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176 #define TCPINERRS 20
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177 { TCPINERRS , ASN_COUNTER , RONLY , var_tcp, 1, { 14 } },
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178 #define TCPOUTRSTS 21
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179 { TCPOUTRSTS , ASN_COUNTER , RONLY , var_tcp, 1, { 15 } },
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180 //#define IPV6TCPCONNSTATE 29
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181 // { IPV6TCPCONNSTATE , ASN_INTEGER , RWRITE, var_ipv6TcpConnTable, 3, { 16,1,6 } },
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182
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183 };
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184 /* (L = length of the oidsuffix) */
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185
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186
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187 /*
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188 * init_tcp():
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189 * Initialization routine. This is called when the agent starts up.
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190 * At a minimum, registration of your variables should take place here.
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191 */
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192 void init_tcp(void) {
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193
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194
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195 /* register ourselves with the agent to handle our mib tree */
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196 REGISTER_MIB("tcp", tcp_variables, variable4,
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197 tcp_variables_oid);
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198
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199
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200 /* place any other initialization junk you need here */
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201 }
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202
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203
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204 /*
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205 * var_tcp():
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206 * This function is called every time the agent gets a request for
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207 * a scalar variable that might be found within your mib section
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208 * registered above. It is up to you to do the right thing and
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209 * return the correct value.
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210 * You should also correct the value of "var_len" if necessary.
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211 *
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212 * Please see the documentation for more information about writing
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213 * module extensions, and check out the examples in the examples
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214 * and mibII directories.
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215 */
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216 unsigned char *
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217 var_tcp(struct variable *vp,
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218 oid *name,
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219 size_t *length,
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220 int exact,
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221 size_t *var_len,
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222 WriteMethod **write_method)
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223 {
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224 static long long_ret;
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225
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226 if (header_generic(vp,name,length,exact,var_len,write_method)
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227 == MATCH_FAILED )
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228 return NULL;
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229
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230 switch(vp->magic) {
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231
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232 case TCPRTOALGORITHM:
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233 long_ret = 1; // meaning "other"
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234 return (unsigned char *) &long_ret;
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235
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236 case TCPRTOMIN:
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237 long_ret = TCPTV_MIN / PR_SLOWHZ * 1000;;
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238 return (unsigned char *) &long_ret;
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239
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240 case TCPRTOMAX:
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241 long_ret = TCPTV_REXMTMAX / PR_SLOWHZ * 1000;;
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242 return (unsigned char *) &long_ret;
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243
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244 case TCPMAXCONN:
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245 long_ret = -1; // It is dynamic.
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246 return (unsigned char *) &long_ret;
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247
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248 case TCPACTIVEOPENS:
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249 long_ret = tcpstat.tcps_connattempt;
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250 return (unsigned char *) &long_ret;
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251
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252 case TCPPASSIVEOPENS:
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253 long_ret = tcpstat.tcps_accepts;
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254 return (unsigned char *) &long_ret;
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255
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256 case TCPATTEMPTFAILS:
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257 long_ret = tcpstat.tcps_conndrops;
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258 return (unsigned char *) &long_ret;
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259
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260 case TCPESTABRESETS:
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261 long_ret = tcpstat.tcps_drops;
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262 return (unsigned char *) &long_ret;
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263
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264 case TCPCURRESTAB: {
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265 struct inpcb *inp;
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266 long_ret = 0;
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267 for (inp = tcbtable.inpt_queue.cqh_first;
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268 inp != (struct inpcb *)&tcbtable.inpt_queue;
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269 inp = inp->inp_queue.cqe_next) {
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270 struct tcpcb *tp = intotcpcb( inp );
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271 if ( tp && (TCPS_ESTABLISHED == tp->t_state ||
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272 TCPS_CLOSE_WAIT == tp->t_state) )
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273 long_ret++;
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274 }
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275 return (unsigned char *) &long_ret;
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276 }
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277
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diff changeset
278 case TCPINSEGS:
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279 long_ret = tcpstat.tcps_rcvtotal;
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280 return (unsigned char *) &long_ret;
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281
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282 case TCPOUTSEGS:
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283 long_ret = tcpstat.tcps_sndtotal - tcpstat.tcps_sndrexmitpack;
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284 if ( long_ret < 0 )
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285 long_ret = 0;
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286 return (unsigned char *) &long_ret;
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287
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288 case TCPRETRANSSEGS:
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289 long_ret = tcpstat.tcps_sndrexmitpack;
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290 return (unsigned char *) &long_ret;
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291
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diff changeset
292 case TCPINERRS:
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293 long_ret = tcpstat.tcps_rcvbadsum
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diff changeset
294 + tcpstat.tcps_rcvbadoff
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295 + tcpstat.tcps_rcvshort
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296 + tcpstat.tcps_rcvmemdrop; // Is that last one an input error?
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297 return (unsigned char *) &long_ret;
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298
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299 case TCPOUTRSTS:
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300 long_ret = tcpstat.tcps_sndctrl - tcpstat.tcps_closed;
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301 if ( long_ret < 0 )
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302 long_ret = 0;
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303 return (unsigned char *) &long_ret;
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304
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diff changeset
305 default:
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306 ERROR_MSG("");
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307 }
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diff changeset
308 return NULL;
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309 }
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diff changeset
310
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diff changeset
311
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diff changeset
312
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313
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314 /*
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315 * var_tcpConnTable():
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316 * Handle this table separately from the scalar value case.
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317 * The workings of this are basically the same as for var_tcpConnTable above.
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318 */
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diff changeset
319 unsigned char *
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320 var_tcpConnTable(struct variable *vp,
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321 oid *name,
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322 size_t *length,
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323 int exact,
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diff changeset
324 size_t *var_len,
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325 WriteMethod **write_method)
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326 {
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327 static long long_ret;
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328 static unsigned char string[SPRINT_MAX_LEN];
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329 register struct inpcb *inp;
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330 register struct inpcb *low_inp = NULL;
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331 oid lowest[24];
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332 oid newname[24];
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333 u_char *cp;
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334 oid *op;
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diff changeset
335 struct tcpcb *tp;
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336
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337 // This is indexed by local-address, local-port, remote-address, remport
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338 // at 1,3,6,1,2,1,6,13,1
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339 // so we get 1,3,6,1,2,1,6,13,1,?,A,B,C,D,lport,P,Q,R,S,rport
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340 // initial length is 10, out-length is 20,
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341 // Local address is offsets 10-13, port is offset 14.
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342 // Remote address is offsets 15-18, port is offset 19.
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343
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344 // starting from udbtable, look in
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345 // low_pcb->inp_laddr.s_addr
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346 // and low_pcb->inp_lport
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347 // /_l/_f/ for foreign port,address.
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348
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349 /* fill in object part of name for current (less sizeof instance part) */
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350 memcpy((char *)newname, (char *)vp->name, (int)vp->namelen * sizeof(oid));
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351
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352 for (inp = tcbtable.inpt_queue.cqh_first;
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353 inp != (struct inpcb *)&tcbtable.inpt_queue;
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354 inp = inp->inp_queue.cqe_next) {
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355
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356 cp = (u_char *)&inp->inp_laddr.s_addr;
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357 op = newname + 10;
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diff changeset
358 *op++ = *cp++;
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diff changeset
359 *op++ = *cp++;
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diff changeset
360 *op++ = *cp++;
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361 *op++ = *cp++;
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362
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363 newname[14] = ntohs(inp->inp_lport);
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364
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365 cp = (u_char *)&inp->inp_faddr.s_addr;
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366 op = newname + 15;
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367 *op++ = *cp++;
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368 *op++ = *cp++;
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diff changeset
369 *op++ = *cp++;
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370 *op++ = *cp++;
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diff changeset
371
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372 newname[19] = ntohs(inp->inp_fport);
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diff changeset
373
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374 if (exact){
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375 if (snmp_oid_compare(newname, 20, name, *length) == 0){
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376 memcpy( (char *)lowest,(char *)newname, 20 * sizeof(oid));
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377 low_inp = inp;
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378 break; /* no need to search further */
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379 }
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380 } else {
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381 if ((snmp_oid_compare(newname, 20, name, *length) > 0) &&
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diff changeset
382 (!low_inp || (snmp_oid_compare(newname, 20, lowest, 20) < 0))){
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jlarmour
parents:
diff changeset
383 /*
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diff changeset
384 * if new one is greater than input and closer to input than
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diff changeset
385 * previous lowest, save this one as the "next" one.
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diff changeset
386 */
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387 memcpy( (char *)lowest,(char *)newname, 20 * sizeof(oid));
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388 low_inp = inp;
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diff changeset
389 }
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diff changeset
390 }
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diff changeset
391 }
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diff changeset
392
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393 if ( ! low_inp )
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394 return NULL;
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diff changeset
395
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396 tp = intotcpcb( low_inp );
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397 if ( ! tp )
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398 return NULL; // Shouldn't happen
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diff changeset
399
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400 memcpy( (char *)name,(char *)lowest, 20 * sizeof(oid));
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diff changeset
401 *length = 20;
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402 *var_len = sizeof( long_ret );
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diff changeset
403 *write_method = 0;
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parents:
diff changeset
404
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jlarmour
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diff changeset
405 switch(vp->magic) {
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diff changeset
406 case TCPCONNSTATE:
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407 // NOTSUPPORTED: *write_method = write_tcpConnState;
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parents:
diff changeset
408 switch ( tp->t_state ) {
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diff changeset
409 case TCPS_CLOSED : // 0 /* closed */
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410 long_ret = 1; break;
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diff changeset
411 case TCPS_LISTEN : // 1 /* listening for connection */
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diff changeset
412 long_ret = 2; break;
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diff changeset
413 case TCPS_SYN_SENT : // 2 /* active, have sent syn */
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414 long_ret = 3; break;
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415 case TCPS_SYN_RECEIVED : // 3 /* have sent and received syn */
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diff changeset
416 long_ret = 4; break;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
417 case TCPS_ESTABLISHED : // 4 /* established */
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
418 long_ret = 5; break;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
419 case TCPS_CLOSE_WAIT : // 5 /* rcvd fin, waiting for close */
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
420 long_ret = 8; break;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
421 case TCPS_FIN_WAIT_1 : // 6 /* have closed, sent fin */
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
422 long_ret = 6; break;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
423 case TCPS_CLOSING : // 7 /* closed xchd FIN; await ACK */
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
424 long_ret = 10; break;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
425 case TCPS_LAST_ACK : // 8 /* had fin and close; await FIN ACK */
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
426 long_ret = 9; break;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
427 case TCPS_FIN_WAIT_2 : // 9 /* have closed, fin is acked */
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
428 long_ret = 7; break;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
429 case TCPS_TIME_WAIT : // 10 /* in 2*msl quiet wait after close */
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jlarmour
parents:
diff changeset
430 long_ret = 11; break;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
431 default:
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
432 long_ret = 1;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
433 }
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
434 return (unsigned char *) &long_ret;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
435
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
436 case TCPCONNLOCALADDRESS:
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jlarmour
parents:
diff changeset
437 cp = (u_char *)&low_inp->inp_laddr.s_addr;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
438 string[0] = *cp++;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
439 string[1] = *cp++;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
440 string[2] = *cp++;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
441 string[3] = *cp++;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
442 *var_len = 4;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
443 return (unsigned char *) string;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
444
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
445 case TCPCONNLOCALPORT:
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jlarmour
parents:
diff changeset
446 long_ret = (long)ntohs(low_inp->inp_lport);
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
447 return (unsigned char *) &long_ret;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
448
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
449 case TCPCONNREMADDRESS:
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jlarmour
parents:
diff changeset
450 cp = (u_char *)&low_inp->inp_faddr.s_addr;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
451 string[0] = *cp++;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
452 string[1] = *cp++;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
453 string[2] = *cp++;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
454 string[3] = *cp++;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
455 *var_len = 4;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
456 return (unsigned char *) string;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
457
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
458 case TCPCONNREMPORT:
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jlarmour
parents:
diff changeset
459 long_ret = (long)ntohs(low_inp->inp_fport);
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
460 return (unsigned char *) &long_ret;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
461
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
462 default:
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
463 ERROR_MSG("");
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
464 }
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
465 return NULL;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
466 }
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
467
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
468
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
469 #if 0 // NOTSUPPORTED:
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
470 int
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
471 write_tcpConnState(int action,
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
472 u_char *var_val,
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
473 u_char var_val_type,
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
474 size_t var_val_len,
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
475 u_char *statP,
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
476 oid *name,
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
477 size_t name_len)
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
478 {
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
479 static long *long_ret;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
480 int size;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
481
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
482
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
483 switch ( action ) {
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
484 case RESERVE1:
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
485 if (var_val_type != ASN_INTEGER){
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
486 fprintf(stderr, "write to tcpConnState not ASN_INTEGER\n");
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
487 return SNMP_ERR_WRONGTYPE;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
488 }
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
489 if (var_val_len > sizeof(long_ret)){
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
490 fprintf(stderr,"write to tcpConnState: bad length\n");
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
491 return SNMP_ERR_WRONGLENGTH;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
492 }
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
493 break;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
494
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
495
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
496 case RESERVE2:
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jlarmour
parents:
diff changeset
497 size = var_val_len;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
498 long_ret = (long *) var_val;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
499
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
500
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
501 break;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
502
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
503
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
504 case FREE:
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
505 /* Release any resources that have been allocated */
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
506 break;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
507
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
508
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
509 case ACTION:
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
510 /* The variable has been stored in long_ret for
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
511 you to use, and you have just been asked to do something with
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
512 it. Note that anything done here must be reversable in the UNDO case */
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
513 break;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
514
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
515
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
516 case UNDO:
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jlarmour
parents:
diff changeset
517 /* Back out any changes made in the ACTION case */
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
518 break;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
519
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
520
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
521 case COMMIT:
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jlarmour
parents:
diff changeset
522 /* Things are working well, so it's now safe to make the change
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
523 permanently. Make sure that anything done here can't fail! */
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
524 break;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
525 }
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
526 return SNMP_ERR_NOERROR;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
527 }
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
528
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
529 #endif
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
530
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
531
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
532
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
533
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
534 #if 0 // NOTSUPPORTED:
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
535 /*
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
536 * var_ipv6TcpConnTable():
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
537 * Handle this table separately from the scalar value case.
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
538 * The workings of this are basically the same as for var_tcp above.
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
539 */
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
540 unsigned char *
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
541 var_ipv6TcpConnTable(struct variable *vp,
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
542 oid *name,
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
543 size_t *length,
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
544 int exact,
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
545 size_t *var_len,
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
546 WriteMethod **write_method)
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
547 {
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
548
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
549
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
550 /* variables we may use later */
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
551 static long long_ret;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
552 static unsigned char string[SPRINT_MAX_LEN];
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
553 static oid objid[MAX_OID_LEN];
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
554 static struct counter64 c64;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
555
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
556
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
557 /*
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
558 * This assumes that the table is a 'simple' table.
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
559 * See the implementation documentation for the meaning of this.
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
560 * You will need to provide the correct value for the TABLE_SIZE parameter
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
561 *
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents:
diff changeset
562 * If this table does not meet the requirements for a simple table,
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563 * you will need to provide the replacement code yourself.
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564 * Mib2c is not smart enough to write this for you.
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565 * Again, see the implementation documentation for what is required.
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566 */
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567 // if (header_simple_table(vp,name,length,exact,var_len,write_method,
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568 // IPV6TCPCONNTABLE_TABLE_SIZE)
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569 // == MATCH_FAILED )
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570 return NULL;
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571
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572
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573 /*
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574 * this is where we do the value assignments for the mib results.
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575 */
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576 switch(vp->magic) {
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577
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578
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579 case IPV6TCPCONNSTATE:
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580 *write_method = write_ipv6TcpConnState;
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581 long_ret = 0;
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582 return (unsigned char *) &long_ret;
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583
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584
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585 default:
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586 ERROR_MSG("");
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587 }
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588 return NULL;
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589 }
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590
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591
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592
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593
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594 int
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595 write_ipv6TcpConnState(int action,
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596 u_char *var_val,
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597 u_char var_val_type,
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598 size_t var_val_len,
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599 u_char *statP,
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600 oid *name,
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601 size_t name_len)
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602 {
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603 static long *long_ret;
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604 int size;
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605
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606
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607 switch ( action ) {
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608 case RESERVE1:
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609 if (var_val_type != ASN_INTEGER){
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610 fprintf(stderr, "write to tcpConnState not ASN_INTEGER\n");
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611 return SNMP_ERR_WRONGTYPE;
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612 }
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613 if (var_val_len > sizeof(long_ret)){
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614 fprintf(stderr,"write to tcpConnState: bad length\n");
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615 return SNMP_ERR_WRONGLENGTH;
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616 }
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617 break;
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618
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619
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620 case RESERVE2:
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621 size = var_val_len;
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622 long_ret = (long *) var_val;
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623
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624
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625 break;
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626
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627
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628 case FREE:
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629 /* Release any resources that have been allocated */
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630 break;
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631
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632
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633 case ACTION:
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634 /* The variable has been stored in long_ret for
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635 you to use, and you have just been asked to do something with
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636 it. Note that anything done here must be reversable in the UNDO case */
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637 break;
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638
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639
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640 case UNDO:
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641 /* Back out any changes made in the ACTION case */
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642 break;
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643
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644
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645 case COMMIT:
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646 /* Things are working well, so it's now safe to make the change
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647 permanently. Make sure that anything done here can't fail! */
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648 break;
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649 }
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650 return SNMP_ERR_NOERROR;
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651 }
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652
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653 #endif // NOTSUPPORTED: ipv6
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654
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655 // EOF tcp.c