1 | # Begin /lib/lsb/init-funtions
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2 |
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3 | # Provides initialization funtions as defined by the Linux Standard Base
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4 | # specification, version 3.1.0
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5 |
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6 | # Source rc configuration if not inherited from the environment
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7 | if [ "${RC_BASE}" = "" ]; then
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8 | . /etc/default/rc
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9 | fi
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10 |
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11 | ###############################################################################
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12 | # start_daemon() #
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13 | # Usage: start_daemon [-f] [-n nicelevel] [-p pidfile] pathname [args...] #
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14 | # #
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15 | # Purpose: This runs the specified program as a daemon #
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16 | # #
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17 | # Inputs: -f: (force) run the program even if it is already running. #
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18 | # -n nicelevel: specify a nice level. See 'man nice(1)'. #
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19 | # -p pidfile: use the specified file to determine PIDs. #
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20 | # pathname: the complete path to the specified program #
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21 | # args: additional arguments passed to the program (pathname) #
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22 | # #
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23 | # Return values (as defined by LSB exit codes): #
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24 | # 0 - program is running or service is OK #
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25 | # 1 - generic or unspecified error #
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26 | # 2 - invalid or excessive argument(s) #
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27 | # 5 - program is not installed #
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28 | ###############################################################################
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29 | start_daemon()
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30 | {
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31 | local force=""
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32 | local nice="0"
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33 | local pidfile=""
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34 | local pidlist=""
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35 | local retval=""
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36 |
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37 | # Process arguments
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38 | while true
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39 | do
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40 | case "${1}" in
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41 |
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42 | -f)
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43 | force="1"
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44 | shift 1
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45 | ;;
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46 |
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47 | -n)
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48 | nice="${2}"
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49 | shift 2
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50 | ;;
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51 |
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52 | -p)
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53 | pidfile="${2}"
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54 | shift 2
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55 | ;;
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56 |
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57 | -*)
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58 | return 2
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59 | ;;
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60 |
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61 | *)
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62 | program="${1}"
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63 | break
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64 | ;;
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65 | esac
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66 | done
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67 |
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68 | # Check for a valid program
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69 | if [ ! -e "${program}" ]
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70 | then
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71 | return 5
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72 | fi
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73 |
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74 | # Execute
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75 | if [ -z "${force}" ]
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76 | then
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77 | if [ -z "${pidfile}" ]
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78 | then
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79 | # determine the pid by discovery
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80 | pidlist=`pidofproc "${1}"`
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81 | retval="${?}"
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82 | else
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83 | # The PID file contains the needed PIDs
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84 | # Note that by LSB requirement, the path must be given to pidofproc,
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85 | # however, it is not used by the current implementation or standard.
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86 | pidlist=`pidofproc -p "${pidfile}" "${1}"`
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87 | retval="${?}"
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88 | fi
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89 |
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90 | # return a value ONLY
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91 | # It is the init script's (or distribution's functions) responsibilty
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92 | # to log messages!
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93 | case "${retval}" in
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94 |
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95 | 0)
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96 | # program is already running correctly, this is a
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97 | # succesful start.
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98 | return 0
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99 | ;;
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100 |
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101 | 1)
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102 | # program is not running, but an invalid pid file exists
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103 | # remove the pid file and continue
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104 | rm -f "${pidfile}"
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105 | ;;
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106 |
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107 | 3)
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108 | # program is not running and no pidfile exists
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109 | # do nothing here, let start_deamon continue.
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110 | ;;
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111 |
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112 | *)
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113 | # Others as returned by status values shall not be interpreted
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114 | # and returned as an unspecified error.
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115 | return 1
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116 | ;;
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117 | esac
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118 | fi
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119 |
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120 | # do the start!
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121 | nice -n "${nice}" "${@}"
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122 |
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123 | }
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124 |
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125 | ###############################################################################
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126 | # killproc() #
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127 | # Usage: killproc [-p pidfile] pathname [signal] #
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128 | # #
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129 | # Purpose: Send control signals to running processes #
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130 | # #
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131 | # Inputs: -p pidfile, uses the specified pidfile #
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132 | # pathname, pathname to the specified program #
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133 | # signal, send this signal to pathname #
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134 | # #
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135 | # Return values (as defined by LSB exit codes): #
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136 | # 0 - program (pathname) has stopped/is already stopped or a #
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137 | # running program has been sent specified signal and stopped #
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138 | # successfully #
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139 | # 1 - generic or unspecified error #
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140 | # 2 - invalid or excessive argument(s) #
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141 | # 5 - program is not installed #
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142 | # 7 - program is not running and a signal was supplied #
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143 | ###############################################################################
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144 | killproc()
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145 | {
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146 | local pidfile
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147 | local program
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148 | local prefix
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149 | local progname
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150 | local signal="-TERM"
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151 | local fallback="-KILL"
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152 | local nosig
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153 | local pidlist
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154 | local retval
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155 | local pid
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156 | local delay="30"
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157 | local piddead
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158 | local dtime
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159 |
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160 | # Process arguments
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161 | while true
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162 | do
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163 | case "${1}" in
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164 |
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165 | -p)
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166 | pidfile="${2}"
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167 | shift 2
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168 | ;;
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169 |
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170 | *)
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171 | program="${1}"
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172 | if [ -n "${2}" ]
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173 | then
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174 | signal="${2}"
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175 | fallback=""
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176 | else
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177 | nosig=1
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178 | fi
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179 |
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180 | # error on additional arguments
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181 | if [ -n "${3}" ]
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182 | then
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183 | return 2
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184 | else
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185 | break
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186 | fi
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187 | ;;
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188 | esac
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189 | done
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190 |
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191 | # Check for a valid program
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192 | if [ ! -e "${program}" ]
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193 | then
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194 | return 5
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195 | fi
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196 |
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197 | # Check for a valid signal
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198 | check_signal "${signal}"
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199 | if [ "${?}" -ne "0" ]
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200 | then
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201 | return 2
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202 | fi
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203 |
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204 | # Get a list of pids
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205 | if [ -z "${pidfile}" ]
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206 | then
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207 | # determine the pid by discovery
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208 | pidlist=`pidofproc "${1}"`
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209 | retval="${?}"
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210 | else
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211 | # The PID file contains the needed PIDs
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212 | # Note that by LSB requirement, the path must be given to pidofproc,
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213 | # however, it is not used by the current implementation or standard.
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214 | pidlist=`pidofproc -p "${pidfile}" "${1}"`
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215 | retval="${?}"
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216 | fi
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217 |
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218 | # return a value ONLY
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219 | # It is the init script's (or distribution's functions) responsibilty
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220 | # to log messages!
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221 | case "${retval}" in
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222 |
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223 | 0)
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224 | # program is running correctly
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225 | # do nothing here, let killproc continue.
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226 | ;;
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227 |
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228 | 1)
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229 | # program is not running, but an invalid pid file exists
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230 | # remove the pid file.
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231 | rm -f "${pidfile}"
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232 | # this is only a success if no signal was passed.
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233 | if [ -n "${nosig}" ]
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234 | then
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235 | return 0
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236 | else
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237 | return 7
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238 | fi
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239 | ;;
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240 |
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241 | 3)
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242 | # program is not running and no pidfile exists
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243 | # this is only a success if no signal was passed.
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244 | if [ -n "${nosig}" ]
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245 | then
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246 | return 0
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247 | else
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248 | return 7
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249 | fi
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250 | ;;
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251 |
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252 | *)
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253 | # Others as returned by status values shall not be interpreted
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254 | # and returned as an unspecified error.
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255 | return 1
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256 | ;;
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257 | esac
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258 |
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259 | # perform different actions for exit signals and control signals
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260 | check_sig_type "${signal}"
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261 | if [ "${?}" -eq "0" ] # signal is used to terminate the program
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262 | then
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263 | # account for empty pidlist (pid file still exists and nosignal was given)
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264 | if [ "${pidlist}" != "" ]; then
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265 | #kill the list of pids
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266 | for pid in ${pidlist}
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267 | do
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268 | kill -0 "${pid}" 2> /dev/null
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269 | if [ "${?}" -ne "0" ]; then
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270 | # process is dead, continue to next and assume all is well
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271 | continue
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272 | else
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273 | kill "${signal}" "${pid}" 2> /dev/null
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274 | # Wait up to ${delay}/10 seconds to for "${pid}" to
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275 | # terminate in 10ths of a second
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276 | while [ "${delay}" -ne "0" ]
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277 | do
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278 | kill -0 "${pid}" 2> /dev/null || piddead="1"
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279 | if [ "${piddead}" = "1" ]
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280 | then
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281 | break
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282 | fi
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283 | sleep 0.1
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284 | delay="$(( ${delay} - 1 ))"
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285 | done
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286 | # If a fallback is set, and program is still running, then
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287 | # use the fallback
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288 | if [ -n "${fallback}" -a "${piddead}" != "1" ]
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289 | then
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290 | kill "${fallback}" "${pid}" 2> /dev/null
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291 | sleep 1
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292 | # Check again, and fail if still running
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293 | kill -0 "${pid}" 2> /dev/null && return 1
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294 | else
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295 | # just check one last time and if still alive, fail
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296 | sleep 1
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297 | kill -0 "${pid}" 2> /dev/null && return 1
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298 | fi
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299 | fi
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300 | done
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301 | fi
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302 |
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303 | # Check for and remove stale PID files.
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304 | if [ -z "${pidfile}" ]
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305 | then
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306 | #find the basename of $program
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307 | prefix=`echo "${program}" | sed 's/[^/]*$//'`
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308 | progname=`echo "${program}" | sed "s@${prefix}@@"`
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309 | if [ -e "/var/run/${progname}.pid" ]
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310 | then
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311 | rm -f "/var/run/${progname}.pid" 2> /dev/null
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312 | fi
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313 | else
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314 | if [ -e "${pidfile}" ]
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315 | then
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316 | rm -f "${pidfile}" 2> /dev/null
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317 | fi
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318 | fi
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319 |
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320 | # For signals that do not expect a program to exit, simply
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321 | # let kill do it's job, and evaluate kills return for value
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322 | else # check_sig_type - signal is not used to terminate program
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323 | for pid in ${pidlist}
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324 | do
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325 | kill "${signal}" "${pid}"
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326 | if [ "${?}" -ne "0" ]; then
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327 | return 1
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328 | fi
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329 | done
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330 | fi
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331 | }
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332 |
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333 | ###############################################################################
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334 | # pidofproc() #
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335 | # Usage: pidofproc [-p pidfile] pathname #
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336 | # #
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337 | # Purpose: This function returns one or more pid(s) for a particular daemon #
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338 | # #
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339 | # Inputs: -p pidfile, use the specified pidfile instead of pidof #
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340 | # pathname, path to the specified program #
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341 | # #
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342 | # Return values (as defined by LSB status codes): #
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343 | # 0 - Success (PIDs to stdout) #
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344 | # 1 - Program is dead, PID file still exists (remaining PIDs output) #
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345 | # 3 - Program is not running (no output) #
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346 | ###############################################################################
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347 | pidofproc()
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348 | {
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349 |
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350 | local pidfile
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351 | local program
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352 | local prefix
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353 | local progname
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354 | local pidlist
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355 | local lpids
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356 | local exitstatus="0"
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357 |
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358 | # Process arguments
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359 | while true
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360 | do
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361 | case "${1}" in
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362 |
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363 | -p)
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364 | pidfile="${2}"
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365 | shift 2
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366 | ;;
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367 |
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368 | *)
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369 | program="${1}"
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370 | if [ -n "${2}" ]
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371 | then
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372 | # Too many arguments
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373 | # Since this is status, return unknown
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374 | return 4
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375 | else
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376 | break
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377 | fi
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378 | ;;
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379 | esac
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380 | done
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381 |
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382 | # If a PID file is not specified, try and find one.
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383 | if [ -z "${pidfile}" ]
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384 | then
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385 | # get the program's basename
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386 | prefix=`echo "${program}" | sed 's/[^/]*$//'`
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387 | progname=`echo "${program}" | sed "s@${prefix}@@"`
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388 | # if a PID file exists with that name, assume that is it.
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389 | if [ -e "/var/run/${progname}.pid" ]
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390 | then
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391 | pidfile="/var/run/${progname}.pid"
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392 | fi
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393 | fi
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394 |
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395 | # if a PID file is set and exists, use it.
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396 | if [ -n "${pidfile}" -a -e "${pidfile}" ]
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397 | then
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398 | # use the value in the first line of the pidfile
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399 | pidlist=`/bin/head -n1 "${pidfile}"`
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400 | # This can optionally be written as 'sed 1q' to repalce 'head -n1'
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401 | # should LFS move /bin/head to /usr/bin/head
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402 | else
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403 | # use pidof
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404 | pidlist=`pidof "${program}"`
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405 | fi
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406 |
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407 | # Figure out if all listed PIDs are running.
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408 | for pid in ${pidlist}
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409 | do
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410 | kill -0 ${pid} 2> /dev/null
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411 | if [ "${?}" -eq "0" ]; then
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412 | lpids="${pids}${pid} "
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413 | else
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414 | exitstatus="1"
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415 | fi
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416 | done
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417 |
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418 | if [ -z "${lpids}" -a ! -f "${pidfile}" ]; then
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419 | return 3
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420 | else
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421 | echo "${lpids}"
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422 | return "${exitstatus}"
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423 | fi
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424 | }
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425 |
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426 | ###############################################################################
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427 | # log_success_msg() #
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428 | # Usage: log_success_msg [$MESSAGE | "message"] #
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429 | # #
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430 | # Purpose: Print a successful status message to the screen and optionally #
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431 | # a boot log file. #
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432 | # #
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433 | # Inputs: accepts one string value, either a quoted string or optionally #
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434 | # the value of $MESSAGE if set in the running environment. #
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435 | # #
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436 | # Return values: Not used #
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437 | ###############################################################################
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438 | log_success_msg()
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439 | {
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440 | echo -n -e "${PREFIX_SUCCESS}${@}"
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441 | echo -e "${SET_COL}${BRACKET}[${SUCCESS} OK ${BRACKET}]${NORMAL}"
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442 | if [ "${BOOTLOG_ENAB}" = "yes" ]; then
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443 | if [ $( hostname ) = "(none)" ]; then
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444 | BTTIMESPEC=""
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445 | else
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446 | BTTIMESPEC="$(echo `date -u +"%b %d %T"` `hostname`) "
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447 | fi
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448 | if [ "${RUNLEVEL}" != "0" -a "${RUNLEVEL}" != "6" ]; then
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449 | echo "${BTTIMESPEC}bootlog: ${@} Successful" >> /run/.bootlog
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450 | fi
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451 | fi
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452 | return 0
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453 | }
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454 |
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455 | ###############################################################################
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456 | # log_failure_msg() #
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457 | # Usage: log_failure_msg [$MESSAGE | "message"] #
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458 | # #
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459 | # Purpose: Print a failure status message to the screen and optionally #
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460 | # a boot log file. #
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461 | # #
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462 | # Inputs: accepts one string value, either a quoted string or optionally #
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463 | # the value of $MESSAGE if set in the running environment. #
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464 | # #
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465 | # Return values: Not used #
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466 | ###############################################################################
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467 | log_failure_msg()
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468 | {
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469 | echo -n -e "${PREFIX_FAILURE}${@}"
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470 | echo -e "${SET_COL}${BRACKET}[${FAILURE} FAIL ${BRACKET}]${NORMAL}"
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471 | if [ "${BOOTLOG_ENAB}" = "yes" ]; then
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472 | if [ $( hostname ) = "(none)" ]; then
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473 | BTTIMESPEC=""
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474 | else
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475 | BTTIMESPEC="$(echo `date -u +"%b %d %T"` `hostname`) "
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476 | fi
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477 | if [ "${RUNLEVEL}" != "0" -a "${RUNLEVEL}" != "6" ]; then
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478 | echo "${BTTIMESPEC}bootlog: ${@} Failed!" >> /run/.bootlog
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479 | fi
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480 | fi
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481 | return 0
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482 | }
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483 |
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484 | ###############################################################################
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485 | # log_warning_msg() #
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486 | # Usage: log_warning_msg [$MESSAGE | "message"] #
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487 | # #
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488 | # Purpose: Print a warning status message to the screen and optionally #
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489 | # a boot log file. #
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490 | # #
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491 | # Inputs: accepts one string value, either a quoted string or optionally #
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492 | # the value of $MESSAGE if set in the running environment. #
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493 | # #
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494 | # Return values: Not used #
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495 | ###############################################################################
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496 | log_warning_msg()
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497 | {
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498 | echo -n -e "${PREFIX_WARNING}${@}"
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499 | echo -e "${SET_COL}${BRACKET}[${WARNING} WARN ${BRACKET}]${NORMAL}"
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500 | if [ "${BOOTLOG_ENAB}" = "yes" ]; then
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501 | if [ $( hostname ) = "(none)" ]; then
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502 | BTTIMESPEC=""
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503 | else
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504 | BTTIMESPEC="$(echo `date -u +"%b %d %T"` `hostname`) "
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505 | fi
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506 | if [ "${RUNLEVEL}" != "0" -a "${RUNLEVEL}" != "6" ]; then
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507 | echo "${BTTIMESPEC}bootlog: ${@} Warning" >> /run/.bootlog
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508 | fi
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509 | fi
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510 | return 0
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511 | }
|
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512 |
|
---|
513 | # The remaining fucntions are distro specific and are not defined by the LSB
|
---|
514 |
|
---|
515 | ###############################################################################
|
---|
516 | # check_signal() #
|
---|
517 | # Usage: check_signal [ -{signal} | {signal} ] #
|
---|
518 | # #
|
---|
519 | # Purpose: Check for a valid signal. This is not defined by any LSB draft, #
|
---|
520 | # however, it is required to check the signals to determine if the #
|
---|
521 | # signals chosen are invalid arguments to the other functions. #
|
---|
522 | # #
|
---|
523 | # Inputs: accepts a single string value in the form or -{signal} or {signal} #
|
---|
524 | # #
|
---|
525 | # Return values: #
|
---|
526 | # 0 - Success (signal is valid #
|
---|
527 | # 1 - Signal is not valid #
|
---|
528 | ###############################################################################
|
---|
529 | check_signal()
|
---|
530 | {
|
---|
531 | local valsig
|
---|
532 |
|
---|
533 | # Add error handling for invalid signals
|
---|
534 | valsig="-ALRM -HUP -INT -KILL -PIPE -POLL -PROF -TERM -USR1 -USR2"
|
---|
535 | valsig="${valsig} -VTALRM -STKFLT -PWR -WINCH -CHLD -URG -TSTP -TTIN"
|
---|
536 | valsig="${valsig} -TTOU -STOP -CONT -ABRT -FPE -ILL -QUIT -SEGV -TRAP"
|
---|
537 | valsig="${valsig} -SYS -EMT -BUS -XCPU -XFSZ -0 -1 -2 -3 -4 -5 -6 -8 -9"
|
---|
538 | valsig="${valsig} -11 -13 -14 -15"
|
---|
539 |
|
---|
540 | echo "${valsig}" | grep -- " ${1} " > /dev/null
|
---|
541 | if [ "${?}" -eq "0" ]
|
---|
542 | then
|
---|
543 | return 0
|
---|
544 | else
|
---|
545 | return 1
|
---|
546 | fi
|
---|
547 | }
|
---|
548 |
|
---|
549 | ###############################################################################
|
---|
550 | # check_sig_type() #
|
---|
551 | # Usage: check_signal [ -{signal} | {signal} ] #
|
---|
552 | # #
|
---|
553 | # Purpose: Check if signal is a program termination signal or a control #
|
---|
554 | # signal. This is not defined by any LSB draft, however, it is #
|
---|
555 | # required to check the signals to determine if they are intended #
|
---|
556 | # to end a program or simply to control it. #
|
---|
557 | # #
|
---|
558 | # Inputs: accepts a single string value in the form or -{signal} or {signal} #
|
---|
559 | # #
|
---|
560 | # Return values: #
|
---|
561 | # 0 - Signal is used for program termination #
|
---|
562 | # 1 - Signal is used for program control #
|
---|
563 | ###############################################################################
|
---|
564 | check_sig_type()
|
---|
565 | {
|
---|
566 | local valsig
|
---|
567 |
|
---|
568 | # The list of termination signals (limited to generally used items)
|
---|
569 | valsig="-ALRM -INT -KILL -TERM -PWR -STOP -ABRT -QUIT -2 -3 -6 -9 -14 -15"
|
---|
570 |
|
---|
571 | echo "${valsig}" | grep -- " ${1} " > /dev/null
|
---|
572 | if [ "${?}" -eq "0" ]
|
---|
573 | then
|
---|
574 | return 0
|
---|
575 | else
|
---|
576 | return 1
|
---|
577 | fi
|
---|
578 | }
|
---|
579 |
|
---|
580 | ###############################################################################
|
---|
581 | # chkstat() #
|
---|
582 | # Usage: chckstat BIN_FILE {CONFIG_FILE} #
|
---|
583 | # #
|
---|
584 | # Purpose: chk_stat checks the status of a script by checking for both a #
|
---|
585 | # binary file to execute, and if set, a config file that may be #
|
---|
586 | # needed for the program to run successfully. #
|
---|
587 | # #
|
---|
588 | # Inputs: accepts first argument of an executable file, and optionally a #
|
---|
589 | # second arugument of a configuration file. If BIN_FILE and #
|
---|
590 | # CONFIG_FILE are set in the calling environment, either or both #
|
---|
591 | # arguments may be omitted. #
|
---|
592 | # #
|
---|
593 | # Return values: #
|
---|
594 | # 0 - The executable, and optionally the configuration file exists #
|
---|
595 | # 2 - Invalid or excessive arguments #
|
---|
596 | # 5 - BIN_FILE does not exist #
|
---|
597 | # 6 - CONFIG_FILE (if set) does not exist #
|
---|
598 | ###############################################################################
|
---|
599 | chk_stat()
|
---|
600 | {
|
---|
601 | if [ "${#}" -gt "0" -a "${#}" -lt "3" ]; then
|
---|
602 | BIN_FILE="${1}"
|
---|
603 | if [ -z "${2}" ]; then
|
---|
604 | CONFIG_FILE=""
|
---|
605 | else
|
---|
606 | CONFIG_FILE="${2}"
|
---|
607 | fi
|
---|
608 | elif [ -z "${BIN_FILE}" ]; then
|
---|
609 | echo "Usage: 'chk_stat BIN_FILE CONFIG_FILE'"
|
---|
610 | exit 1 # Generic Error
|
---|
611 | fi
|
---|
612 |
|
---|
613 | if [ ! -e "${BIN_FILE}" ]; then
|
---|
614 | log_failure_msg "${BIN_FILE} not installed" &&
|
---|
615 | exit 5
|
---|
616 | fi
|
---|
617 |
|
---|
618 | if [ ! -z "${CONFIG_FILE}" ]; then
|
---|
619 | if [ ! -e "${CONFIG_FILE}" ]; then
|
---|
620 | log_failure_msg "${CONFIG_FILE} does not exist" &&
|
---|
621 | exit 6
|
---|
622 | fi
|
---|
623 | fi
|
---|
624 | }
|
---|
625 |
|
---|
626 | ###############################################################################
|
---|
627 | # loadproc() #
|
---|
628 | # Usage: loadproc {arguments} #
|
---|
629 | # #
|
---|
630 | # Purpose: loadproc is just a wrapper to start_daemon for simple scripts, #
|
---|
631 | # which will require no aruguments if $BIN_FILE is set. #
|
---|
632 | # #
|
---|
633 | # Inputs: Any optional arguments passed to loadproc will be passed on to the #
|
---|
634 | # executable defined by $BIN_FILE. #
|
---|
635 | # #
|
---|
636 | # Return values: (none) #
|
---|
637 | ###############################################################################
|
---|
638 | loadproc()
|
---|
639 | {
|
---|
640 | start_daemon "${BIN_FILE}" "${@}"
|
---|
641 | }
|
---|
642 |
|
---|
643 | ###############################################################################
|
---|
644 | # endproc() #
|
---|
645 | # Usage: endproc {arguments} #
|
---|
646 | # #
|
---|
647 | # Purpose: endproc is just a wrapper to killproc for simple scripts, which #
|
---|
648 | # which will require no aruguments if $BIN_FILE is set. #
|
---|
649 | # #
|
---|
650 | # Inputs: Any optional arguments passed to endproc will be passed on to the #
|
---|
651 | # executable defined by $BIN_FILE. #
|
---|
652 | # #
|
---|
653 | # Return values: (none) #
|
---|
654 | ###############################################################################
|
---|
655 | endproc()
|
---|
656 | {
|
---|
657 | killproc "${BIN_FILE}" "${@}"
|
---|
658 | }
|
---|
659 |
|
---|
660 | ###############################################################################
|
---|
661 | # statusproc() #
|
---|
662 | # Usage: statusproc $BIN_FILE $MESSAGE #
|
---|
663 | # #
|
---|
664 | # Purpose: stautsproc is just a wrapper to pidofproc for simple scripts, #
|
---|
665 | # which will require no aruguments if $BIN_FILE and MESSAGE are set. #
|
---|
666 | # #
|
---|
667 | # Inputs: accepts first argument of an executable file, and a second message #
|
---|
668 | # arugument "MESSAGE" to be displayed. If BIN_FILE and MESSAGE are #
|
---|
669 | # set in the calling environment, both arguments may be omitted. #
|
---|
670 | # #
|
---|
671 | # Return values: exit values of pidofproc #
|
---|
672 | ###############################################################################
|
---|
673 | statusproc()
|
---|
674 | {
|
---|
675 | if [ "${#}" -gt "0" -a "${#}" -lt "3" ]; then
|
---|
676 | BIN_FILE="${1}"
|
---|
677 | MESSAGE="${2}"
|
---|
678 | elif [ -z "${BIN_FILE}" -o -z "${MESSAGE}" ]; then
|
---|
679 | echo "Usage: 'statusproc BIN_FILE MESSAGE'"
|
---|
680 | exit 1 # Generic Error
|
---|
681 | fi
|
---|
682 |
|
---|
683 | pidlist=`pidofproc "${BIN_FILE}"`
|
---|
684 | STATUS=$?
|
---|
685 | echo "Checking ${MESSAGE} status:"
|
---|
686 | if [ "${STATUS}" -eq "0" ]; then
|
---|
687 | log_success_msg "Running with PID(s) ${pidlist}"
|
---|
688 | else
|
---|
689 | log_warning_msg "Not running!"
|
---|
690 | fi
|
---|
691 |
|
---|
692 | return "${STATUS}"
|
---|
693 | }
|
---|
694 |
|
---|
695 | ###############################################################################
|
---|
696 | # reloadproc() #
|
---|
697 | # Usage: reloadproc {--force} $BIN_FILE $MESSAGE #
|
---|
698 | # #
|
---|
699 | # Purpose: reloadproc sends a HUP signal to the running program (relaod #
|
---|
700 | # configuration). It optionally, using the -force switch, checks the #
|
---|
701 | # status of a particular program and starts it if it is not already #
|
---|
702 | # running. #
|
---|
703 | # #
|
---|
704 | # Inputs: accepts one optional switch (must be the first argument), and #
|
---|
705 | # either two, or zero string arguments. If BIN_FILE and MESSAGE are #
|
---|
706 | # set in the calling envirnoment it will use those values, else it #
|
---|
707 | # requires the bin file as the first argument (following -force if #
|
---|
708 | # used), and the message as the second. If the --force argument is #
|
---|
709 | # given, it follows the LSB definition of 'force-reload' - the #
|
---|
710 | # program is started if not already running. #
|
---|
711 | # #
|
---|
712 | # Return values: 1 - generic error #
|
---|
713 | ###############################################################################
|
---|
714 | reloadproc()
|
---|
715 | {
|
---|
716 | local force="0"
|
---|
717 | if [ "${#}" -gt "0" -a "${1}" = "-force" ]; then
|
---|
718 | force="1"
|
---|
719 | shift 1
|
---|
720 | fi
|
---|
721 |
|
---|
722 | if [ "${#}" -gt "0" -a "${#}" -lt "3" ]; then
|
---|
723 | BIN_FILE="${1}"
|
---|
724 | MESSAGE="${2}"
|
---|
725 | elif [ -z "${BIN_FILE}" -o -z "${MESSAGE}" ]; then
|
---|
726 | echo "Usage: 'reloadproc BIN_FILE MESSAGE'"
|
---|
727 | exit 1 # Generic Error
|
---|
728 | fi
|
---|
729 | }
|
---|
730 |
|
---|
731 | ###############################################################################
|
---|
732 | # evaluate_retval() #
|
---|
733 | # Usage: evaluate_retval \ #
|
---|
734 | # [standard|start|stop|reload|force-reload|restart|try-restart] #
|
---|
735 | # #
|
---|
736 | # Purpose: determines the sucess or failure of a previous command based on #
|
---|
737 | # LSB exit values, and prints messages to the screen using the #
|
---|
738 | # log_*_msg() functions. #
|
---|
739 | # #
|
---|
740 | # Inputs: accepts one argument which determines the output of the message #
|
---|
741 | # displayed on the screen based on the LSB input values for init #
|
---|
742 | # scripts. The 'standard' argument makes no changes to the value of #
|
---|
743 | # $message or $MESSAGE, but only one can be set in the calling #
|
---|
744 | # environment. #
|
---|
745 | # #
|
---|
746 | # Return values: (none) #
|
---|
747 | ###############################################################################
|
---|
748 | evaluate_retval()
|
---|
749 | {
|
---|
750 | local error_value="${?}"
|
---|
751 |
|
---|
752 | # Handle LSB defined return values
|
---|
753 | case "${1}" in
|
---|
754 |
|
---|
755 | start)
|
---|
756 | case "${error_value}" in
|
---|
757 | 0)
|
---|
758 | log_success_msg "Starting ${MESSAGE} "
|
---|
759 | return "${error_value}"
|
---|
760 | ;;
|
---|
761 | 2)
|
---|
762 | log_failure_msg "Starting ${MESSAGE} Error: Invalid argument!"
|
---|
763 | return "${error_value}"
|
---|
764 | ;;
|
---|
765 | 5)
|
---|
766 | log_failure_msg "Starting ${MESSAGE} Error: Not available!"
|
---|
767 | return "${error_value}"
|
---|
768 | ;;
|
---|
769 | *)
|
---|
770 | log_failure_msg "Starting ${MESSAGE} Error: General failure!"
|
---|
771 | return "${error_value}"
|
---|
772 | ;;
|
---|
773 | esac
|
---|
774 | ;;
|
---|
775 |
|
---|
776 | stop)
|
---|
777 | case "${error_value}" in
|
---|
778 | 0)
|
---|
779 | log_success_msg "Stopping ${MESSAGE} "
|
---|
780 | return "${error_value}"
|
---|
781 | ;;
|
---|
782 | 2)
|
---|
783 | log_failure_msg "Stopping ${MESSAGE} Error: Invalid argument!"
|
---|
784 | return "${error_value}"
|
---|
785 | ;;
|
---|
786 | 5)
|
---|
787 | log_failure_msg "Stopping ${MESSAGE} Error: Not available!"
|
---|
788 | return "${error_value}"
|
---|
789 | ;;
|
---|
790 | 7)
|
---|
791 | log_warning_msg "Stopping ${MESSAGE} Warning: Not running!"
|
---|
792 | return "${error_value}"
|
---|
793 | ;;
|
---|
794 | *)
|
---|
795 | log_failure_msg "Stopping ${MESSAGE} Error: General failure!"
|
---|
796 | return "${error_value}"
|
---|
797 | ;;
|
---|
798 | esac
|
---|
799 | ;;
|
---|
800 |
|
---|
801 | force-reload)
|
---|
802 | message="Forcefully reloading "
|
---|
803 | ;;
|
---|
804 |
|
---|
805 | reload)
|
---|
806 | message="Reloading "
|
---|
807 | ;;
|
---|
808 |
|
---|
809 | restart)
|
---|
810 | message="Restarting "
|
---|
811 | ;;
|
---|
812 |
|
---|
813 | try-restart)
|
---|
814 | message="Trying restart "
|
---|
815 | ;;
|
---|
816 |
|
---|
817 | standard)
|
---|
818 | # $message or $MESSAGE must be set, but not both in order
|
---|
819 | # to use the 'standard' target.
|
---|
820 | ;;
|
---|
821 | esac
|
---|
822 |
|
---|
823 | # Print messages for the generic force-reload, reload, restart,
|
---|
824 | # and try-restart targets
|
---|
825 | if [ "${error_value}" -eq "0" ]
|
---|
826 | then
|
---|
827 | log_success_msg "${message}${MESSAGE} "
|
---|
828 | return "${error_value}"
|
---|
829 | else
|
---|
830 | log_failure_msg "${message}${MESSAGE} "
|
---|
831 | return "${error_value}"
|
---|
832 | fi
|
---|
833 | }
|
---|
834 |
|
---|
835 | # End /lib/lsb/init-functions
|
---|