1 | #!/usr/bin/perl |
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2 | # |
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3 | # Copyright (c) 2004-2007 - Consultas, PKG.fr |
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4 | # |
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5 | # This file is part of A2P. |
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6 | # |
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7 | # A2P is free software; you can redistribute it and/or modify |
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8 | # it under the terms of the GNU General Public License as published by |
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9 | # the Free Software Foundation; either version 2 of the License, or |
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10 | # (at your option) any later version. |
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11 | # |
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12 | # A2P is distributed in the hope that it will be useful, |
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13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 | # GNU General Public License for more details. |
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16 | # |
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17 | # You should have received a copy of the GNU General Public License |
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18 | # along with A2P; if not, write to the Free Software |
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19 | # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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20 | # |
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21 | # $Id: a2p-stat.pl 3 2007-10-18 16:20:19Z guillaume $ |
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22 | # |
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23 | # Simple service to synchronize Job STATISTICS with a DB |
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24 | # |
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25 | |
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26 | BEGIN { |
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27 | use strict ; |
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28 | use warnings ; |
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29 | use POSIX 'setsid' ; |
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30 | use A2P::Globals ; |
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31 | |
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32 | our $VERSION = sprintf "%s", q$Rev: 415 $ =~ /(\d[0-9.]+)\s+/ ; |
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33 | |
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34 | if (defined($ENV{JAVA_HOME}) and $ENV{JAVA_HOME}) { |
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35 | # Don't fork if launch by Eclipse, script launcher unset JAVA_HOME |
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36 | $Progname = "a2p-eclipse" ; |
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37 | $MUSTQUIT = 1 ; |
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38 | |
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39 | } else { |
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40 | # Daemonize early |
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41 | my $forkpid = 0 ; |
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42 | our $argument = $ARGV[0] || "" ; |
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43 | chdir '/' or die "Can't chdir to /: $!"; |
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44 | open *STDIN , '<', '/dev/null' or die "Can't read from /dev/null: $!"; |
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45 | open *STDOUT, '>', $StdoutFile or die "Can't write to $StdoutFile: $!"; |
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46 | defined($forkpid = fork) or die "Can't fork: $!"; |
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47 | |
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48 | # Save son PID in system file provided as argument if file exists |
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49 | if ( $forkpid > 0 ) { |
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50 | if ( length($argument) > 0 ) { |
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51 | open *PIDFILE , '>', $argument |
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52 | or die "Can't open PID file '$argument': $!"; |
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53 | print PIDFILE $forkpid ; |
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54 | close(PIDFILE); |
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55 | } |
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56 | exit(0); |
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57 | } |
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58 | } |
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59 | } |
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60 | our $VERSION ; |
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61 | our $argument ; |
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62 | our $Progname ; |
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63 | our $MUSTQUIT ; |
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64 | |
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65 | #-------------------------------------------------------------------------- |
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66 | # Here we import any needed modules only after we are in background |
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67 | #-------------------------------------------------------------------------- |
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68 | |
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69 | use strict ; |
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70 | use warnings ; |
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71 | use Socket ; |
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72 | use IO::Socket ; |
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73 | use Fcntl ; |
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74 | use Fcntl qw(:flock); |
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75 | use GDBM_File ; |
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76 | use POSIX qw( :signal_h :sys_wait_h setsid ); |
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77 | use Time::HiRes qw( usleep gettimeofday tv_interval ); |
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78 | use A2P::Init ; |
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79 | use A2P::Globals; |
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80 | use A2P::Syslog ; |
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81 | use A2P::Signal ; |
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82 | use A2P::Thread ; |
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83 | use A2P::Signal 'LogSigMessage' ; |
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84 | use A2P::DB ; |
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85 | use A2P::DB qw( |
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86 | a2p_db_statistics_ready CheckJobsTables stats_set_service stats_jobmanager |
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87 | stats_converter check_commit |
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88 | ); |
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89 | |
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90 | &Debug(" Module load error: $! $? $@") if ( $! or $? or $@ ); |
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91 | &Debug(" =============================START=============================="); |
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92 | |
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93 | &setsid or die "Can't set a new session: $!"; |
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94 | open *STDERR, '>&', *STDOUT or die "Can't redirect STDERR to STDOUT: $!"; |
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95 | |
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96 | #------------------------------------- |
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97 | # Here we are in a daemonized process |
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98 | #------------------------------------- |
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99 | |
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100 | &Debug("Current progname = $0, version $VERSION, started"); |
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101 | &Debug("Setting service name to $Progname"); |
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102 | # Update system name of this daemon to be pretty with ps command |
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103 | $0 = $Progname ; |
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104 | |
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105 | # Reset error code |
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106 | $! = 0 ; |
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107 | |
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108 | # Here constant |
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109 | my $dbmbase = "statistics.dbm" ; |
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110 | |
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111 | # First forked process is the master |
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112 | my $MASTER = 1 ; |
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113 | |
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114 | # Empty Sons/Threads lists and hashs, hash keys are processes PID |
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115 | # PID -> Managed folder |
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116 | my %sons = () ; |
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117 | my $LCK ; |
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118 | my $UNIXSOCK ; |
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119 | my %FILES = () ; # Hash to tie |
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120 | my $pid ; |
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121 | |
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122 | ################################################################################ |
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123 | ### Only called from Main loop |
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124 | ################################################################################ |
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125 | sub CheckThreads { |
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126 | |
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127 | my %known = () ; |
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128 | map { $known{$_} = 0 } values(%sons) ; |
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129 | |
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130 | while ( $MASTER and @_ ) { |
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131 | $STATS_FOLDER = shift ; |
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132 | next unless (defined($STATS_FOLDER) and $STATS_FOLDER); |
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133 | |
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134 | # Skip still managed folder |
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135 | if (defined($known{$STATS_FOLDER})) { |
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136 | &Debug("Skipping still managed '$STATS_FOLDER' folder"); |
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137 | |
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138 | } else { |
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139 | # Set some file name |
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140 | my $unixname = $SERVICE_TMP . "/" . $dbmbase . '-' .$$. '_' .time ; |
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141 | my $dbmname = $STATS_FOLDER . "/." . $dbmbase ; |
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142 | my $lockname = $dbmname . ".LCK" ; |
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143 | |
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144 | # First try to lock the lock file if exists |
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145 | if ( -e $lockname ) { |
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146 | &Debug("Checking why lock file still exists..."); |
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147 | if (open($LCK,$lockname)) { |
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148 | if (flock($LCK, LOCK_EX | LOCK_NB)) { |
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149 | flock($LCK, LOCK_UN); |
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150 | close($LCK); |
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151 | &Debug("Removing $lockname lock file on '$STATS_FOLDER'" |
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152 | . " as it is not used"); |
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153 | unlink $lockname ; |
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154 | |
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155 | } else { |
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156 | &Debug("Still managed by other thread " . |
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157 | " as I can't lock on '$lockname': $!"); |
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158 | } |
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159 | |
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160 | } else { |
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161 | &Error("Can't open lock file on '$STATS_FOLDER': $!"); |
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162 | } |
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163 | } |
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164 | |
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165 | if ( -e $lockname and -e $dbmname ) { |
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166 | &Info("'$STATS_FOLDER' statistics manager seems still present"); |
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167 | $lockname = "" ; |
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168 | my $tied = tie( %FILES,'GDBM_File',$dbmname,GDBM_READER,0666 ); |
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169 | if (defined($tied)) { |
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170 | $pid = $FILES{'PID'} ; |
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171 | my $sockname = $FILES{'SOCKET'} ; |
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172 | if (socket(SOCK, PF_UNIX, SOCK_STREAM, 0)) { |
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173 | if (-S $sockname |
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174 | and connect(SOCK, pack_sockaddr_un($sockname))) { |
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175 | $SIG{'ALRM'} = sub { close(SOCK) } ; |
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176 | alarm 5 ; # Get response until 5 seconds |
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177 | kill 12 , $pid ; |
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178 | my @messages = <SOCK> ; |
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179 | alarm 0 ; |
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180 | close(SOCK); |
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181 | my $last = pop @messages || "" ; |
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182 | &Debug("Got '$last' message on '$sockname'"); |
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183 | $last =~ m|^<active\s+time=['](\d+)[']/>$| ; |
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184 | if (defined($1) and time - $1 < 60) { |
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185 | &Info("'$STATS_FOLDER' statistics manager " . |
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186 | "still available as process $pid"); |
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187 | $sons{$pid} = $STATS_FOLDER ; |
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188 | |
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189 | } else { |
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190 | &Info("'$STATS_FOLDER' statistics manager seems" |
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191 | . " unavailable, trying to start another"); |
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192 | $lockname = $dbmname . ".LCK" ; |
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193 | } |
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194 | |
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195 | } elsif (-S $sockname) { |
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196 | &Error("Can't connect to '$sockname' socket: $!"); |
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197 | |
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198 | } else { |
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199 | &Info("'$STATS_FOLDER' statistics manager seems " . |
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200 | "not listening, trying to launch another one"); |
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201 | $lockname = $dbmname . ".LCK" ; |
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202 | } |
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203 | |
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204 | } else { |
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205 | &Error("Can't create an unix socket: $!"); |
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206 | } |
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207 | |
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208 | } else { |
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209 | &Error("Can't open tied file $dbmname for reading: $!"); |
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210 | } |
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211 | |
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212 | # Remove lock file if set again |
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213 | unlink $lockname if $lockname ; |
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214 | } |
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215 | |
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216 | if ($lockname) { |
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217 | &Info("Trying to start '$STATS_FOLDER' statistics manager"); |
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218 | if (open($LCK,">$lockname")) { |
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219 | if (flock($LCK, LOCK_EX | LOCK_NB)) { |
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220 | if (defined(tie ( %FILES, 'GDBM_File', $dbmname, |
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221 | GDBM_WRCREAT, 0666 ))) { |
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222 | # Now we can fork as pre-init is done |
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223 | $pid = fork ; |
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224 | if (defined($pid)) { |
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225 | if ($pid) { |
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226 | # In parent = master |
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227 | $sons{$pid} = $STATS_FOLDER ; |
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228 | untie %FILES ; |
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229 | close($LCK); |
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230 | |
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231 | &Debug("'$STATS_FOLDER' statistics manager" |
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232 | . "forked"); |
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233 | |
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234 | } else { |
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235 | # In statistics manager |
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236 | &InitStatistics($unixname); |
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237 | &Info("'$STATS_FOLDER' statistics manager" |
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238 | . " started"); |
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239 | } |
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240 | |
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241 | } else { |
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242 | &Error("$STATS_FOLDER manager not forked: $!"); |
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243 | untie %FILES ; |
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244 | flock($LCK, LOCK_UN); |
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245 | close($LCK); |
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246 | } |
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247 | |
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248 | } else { |
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249 | &Error("Can't open tied hash file '$dbmname': $!"); |
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250 | flock($LCK, LOCK_UN); |
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251 | close($LCK); |
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252 | } |
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253 | |
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254 | } else { |
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255 | &Error("Can't lock folder '$STATS_FOLDER'" . |
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256 | "on '$lockname': $!"); |
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257 | close($LCK); |
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258 | } |
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259 | |
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260 | } else { |
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261 | &Error("Can't open '$lockname' lock file: $!"); |
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262 | } |
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263 | |
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264 | } else { |
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265 | &Info("Can't start '$STATS_FOLDER' statistics manager"); |
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266 | } |
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267 | } |
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268 | |
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269 | # Now we know this folder is managed |
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270 | $known{$STATS_FOLDER} = 1 ; |
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271 | } |
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272 | |
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273 | if ($MASTER) { |
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274 | # Check to stop no more needed threads |
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275 | foreach my $folder ( grep { ! $known{$_} } keys(%known) ) { |
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276 | &Info("Stopping synchronization of statistics from '$folder'"); |
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277 | |
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278 | ( $pid ) = grep { $sons{$_} eq $folder } keys(%sons) ; |
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279 | next unless (defined($pid)); |
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280 | &Debug("Sending SIGTERM to T$pid"); |
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281 | kill 15 , $pid ; |
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282 | } |
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283 | |
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284 | } else { |
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285 | # Free not used memory in son |
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286 | undef %sons ; |
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287 | } |
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288 | } |
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289 | |
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290 | sub InitCheck { |
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291 | |
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292 | # Read conf |
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293 | $do_init = 0 ; |
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294 | &Init ; |
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295 | |
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296 | # List statistics folders |
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297 | my @STATS_FOLDERS = () ; |
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298 | if ( $STATS_FOLDER =~ /:/ ) { |
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299 | @STATS_FOLDERS = split(/:/,$STATS_FOLDER) ; |
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300 | |
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301 | } else { |
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302 | @STATS_FOLDERS = ( $STATS_FOLDER ) ; |
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303 | } |
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304 | |
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305 | # Check needed folders |
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306 | my %Folders = ( |
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307 | SERVICE_TMP => $SERVICE_TMP, |
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308 | SHMDIR => $SHMDIR |
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309 | ); |
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310 | |
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311 | while ( my ($var, $Path) = each(%Folders) ) { |
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312 | unless ( -d $Path ) { |
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313 | &Info("Creating $Path folder as $var"); |
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314 | my $Folder = "" ; |
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315 | foreach my $tmp_path ( split(m{[/]+}, $Path) ) { |
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316 | $Folder .= "/$tmp_path" ; |
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317 | mkdir $Folder , oct(775) unless ( -d $Folder ); |
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318 | &Error("Can't create '$Path' folder as $var: $!"), last |
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319 | unless ( -d $Folder ); |
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320 | } |
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321 | } |
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322 | } |
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323 | |
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324 | # Initialize SERVICE_TMP folder |
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325 | if ( -d $SERVICE_TMP ) { |
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326 | unless ( system("touch $SERVICE_TMP/init_$Progname") == 0 ) { |
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327 | &Error("Can't initialize $SERVICE_TMP folder: $!"); |
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328 | $MUSTQUIT = 1 ; |
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329 | } |
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330 | |
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331 | } else { |
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332 | &Error("Can't initialize unavailable $SERVICE_TMP folder: $!"); |
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333 | $MUSTQUIT = 1 ; |
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334 | } |
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335 | |
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336 | # Test opening logfile in case of file logging |
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337 | if ( $LOGFILENAME and ( $LOGFILE_VS_SYSLOG or $DEBUG_IN_FILE )) { |
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338 | $! = 0 ; |
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339 | unless (open(LOG,">$LOGFILENAME")) { |
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340 | $LOGFILE_VS_SYSLOG = 0 ; |
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341 | $DEBUG_IN_FILE = 0 ; |
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342 | return &Error("Can't open '$LOGFILENAME': $!"); |
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343 | } |
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344 | |
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345 | if ( $LOGFILE_PURGE ) { |
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346 | &UPSTAT('PURGE-LOG'); |
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347 | truncate LOG , 0 ; |
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348 | $LOGFILE_PURGE = 0 ; |
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349 | } |
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350 | |
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351 | close(LOG); |
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352 | } |
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353 | |
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354 | # Reset Debug comportement |
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355 | &ResetDebug() ; |
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356 | |
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357 | &CheckThreads(@STATS_FOLDERS); |
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358 | |
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359 | # @STATS_FOLDERS will be check in sons |
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360 | return @STATS_FOLDERS ; |
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361 | } |
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362 | |
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363 | ################################################################################ |
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364 | ### Only called from Forked loop |
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365 | ################################################################################ |
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366 | my %FH ; |
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367 | my %FH_TIMEOUT ; |
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368 | |
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369 | sub InitStatistics { |
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370 | my $unixname = shift ; |
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371 | |
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372 | $0 .= "-thread" ; |
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373 | $MASTER = 0 ; |
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374 | $SIG{'USR2'} = \&SigUSR2 ; |
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375 | |
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376 | $FILES{'PID'} = $$ ; |
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377 | |
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378 | if (&openUNIXSOCK($unixname)) { |
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379 | $FILES{'SOCKET'} = $unixname ; |
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380 | |
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381 | } else { |
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382 | $FILES{'SOCKET'} = "" ; |
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383 | } |
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384 | |
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385 | # Synchronise %FILES with %FH |
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386 | foreach my $file (keys(%FILES)) { |
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387 | next if ($file =~ /^(SOCKET|PID)$/); |
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388 | my $fullpathfile = "$STATS_FOLDER/$file" ; |
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389 | if ( -e $fullpathfile and ! -d $fullpathfile ) { |
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390 | $FH{$file} = 0 ; |
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391 | |
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392 | } else { |
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393 | delete $FILES{$file} ; |
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394 | delete $FH_TIMEOUT{$file} ; |
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395 | } |
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396 | } |
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397 | } |
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398 | |
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399 | # Do some statistics load timing |
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400 | my @LastLoadCheck = &gettimeofday() ; |
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401 | my $LoadedLines = 0 ; |
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402 | my $activity = 0 ; |
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403 | |
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404 | sub statistics { |
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405 | # List available files |
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406 | my @files = <$STATS_FOLDER/*-Converter-????????> ; |
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407 | push @files , <$STATS_FOLDER/*-JobManager-????????> ; |
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408 | |
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409 | &TIMESTAT('FilesControl'); |
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410 | for my $file (@files) { |
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411 | # Only keep files with Converter or JobManager |
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412 | # and only a date at the end of the name |
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413 | my @count = |
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414 | $file =~ m*$STATS_FOLDER/([\w-]+)-(Converter|JobManager)-(\d{8})$* ; |
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415 | unless ( ! -d $file and @count == 3 ) { |
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416 | &Debug("Skipping '$file' read") if ($ADVANCED_DEBUGGING); |
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417 | next ; |
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418 | } |
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419 | |
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420 | # Keep short filename only |
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421 | $file = join('-',@count) ; |
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422 | |
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423 | unless (defined($FH{$file})) { |
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424 | my ($service,$type,$date) = @count ; |
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425 | &Debug("Found new file to handle: $file for service " . $count[0] . |
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426 | ", generated on " .$count[2]); |
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427 | $FILES{$file} = $FH{$file} = 0 ; |
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428 | } |
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429 | |
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430 | # Check to return immediatly when requested |
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431 | return 0 if ( $do_quit or $MUSTQUIT); |
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432 | } |
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433 | &TIMESTAT('FilesControl'); |
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434 | |
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435 | # Lines counter to load |
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436 | my $line_nb = 0 ; |
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437 | |
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438 | # Read files, get an array of new lines by file |
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439 | my %newstats = () ; |
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440 | |
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441 | &TIMESTAT('FilesRead'); |
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442 | foreach my $file (keys(%FH)) { |
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443 | my $fh = $FH{$file} ; |
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444 | |
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445 | # Don't read too much lines at a loop |
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446 | my $maxlines = $MAX_LINES ; |
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447 | my $stats_file = "$STATS_FOLDER/$file" ; |
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448 | |
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449 | # 0. Check file is still present |
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450 | unless ( $fh or -s $stats_file ) { |
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451 | &Debug("'$file' was deleted"); |
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452 | close($fh) if $fh ; |
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453 | delete $FH{$file} ; |
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454 | delete $FILES{$file} ; |
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455 | delete $FH_TIMEOUT{$file} ; |
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456 | next ; |
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457 | } |
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458 | |
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459 | # 1. Check old file then open not opened files |
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460 | if ($FILES{$file} == -s $stats_file) { |
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461 | # Only check to delete a file if no new line are found and one day |
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462 | # has past since file was closed or last checked |
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463 | if (defined($FH_TIMEOUT{$file}) |
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464 | and &tv_interval($FH_TIMEOUT{$file})>86400) { |
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465 | |
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466 | my $fileage = ( time - (stat($stats_file))[9] )/ 86400 ; |
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467 | |
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468 | if ( $fileage > $STATSFILE_MAXAGE ) { |
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469 | &Info("Deleting old statistics file: $stats_file"); |
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470 | unlink $stats_file |
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471 | or return &Error("Can't delete old statistics file: $!"); |
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472 | |
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473 | close($FH{$file}) if $FH{$file} ; |
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474 | delete $FH{$file} ; |
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475 | delete $FILES{$file} ; |
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476 | delete $FH_TIMEOUT{$file} ; |
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477 | |
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478 | } else { |
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479 | # Next check in one day |
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480 | $FH_TIMEOUT{$file} = [ &gettimeofday() ] ; |
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481 | } |
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482 | } |
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483 | |
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484 | # Handles a timer on opened file to only keep few opened files |
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485 | if ($FH{$file}) { |
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486 | if (defined($FH_TIMEOUT{$file})) { |
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487 | # Close filehandle after 30 minutes if not used |
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488 | if (&tv_interval($FH_TIMEOUT{$file}) > 1800) { |
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489 | close($FH{$file}) ; |
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490 | $FH{$file} = 0 ; |
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491 | delete $FH_TIMEOUT{$file} ; |
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492 | } |
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493 | |
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494 | } else { |
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495 | $FH_TIMEOUT{$file} = [ &gettimeofday() ] ; |
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496 | } |
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497 | } |
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498 | |
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499 | # Anyway loop to another file |
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500 | next ; |
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501 | |
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502 | } elsif ( ! ( $fh = $FH{$file} )) { |
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503 | undef $fh ; # Handle must be undefined when opening on it |
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504 | return &Error("Can't open '$file' for reading: $!") |
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505 | unless ( open $fh , $stats_file ); |
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506 | $FH{$file} = $fh ; |
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507 | delete $FH_TIMEOUT{$file} ; |
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508 | } |
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509 | |
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510 | # 2. Seek to skip still handled lines |
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511 | seek $fh, $FILES{$file}, 0 |
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512 | if ($fh and $FILES{$file} != tell($fh)); |
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513 | |
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514 | # 3. Read lines locking on the file to not read while it is written |
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515 | unless (eof($fh)) { |
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516 | my $locked = flock($fh, LOCK_EX); |
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517 | next unless ($locked); |
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518 | my $line = '' ; |
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519 | while ( ! eof($fh) and $maxlines-- > 0 ) { |
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520 | $line = readline($fh) ; |
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521 | last unless (defined($line) and $line); |
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522 | push @{$newstats{$file}} , $line ; |
---|
523 | $line_nb ++ ; |
---|
524 | } |
---|
525 | flock($fh, LOCK_UN); |
---|
526 | |
---|
527 | unless (@{$newstats{$file}}) { |
---|
528 | &Debug("No new line found in '$file'"); |
---|
529 | delete $newstats{$file} ; |
---|
530 | } |
---|
531 | |
---|
532 | # Check to don't read too much line at a time |
---|
533 | #last unless ($maxlines > 0 ); |
---|
534 | } |
---|
535 | |
---|
536 | # Check to return immediatly when requested |
---|
537 | return 0 if ( $do_quit or $MUSTQUIT); |
---|
538 | } |
---|
539 | &TIMESTAT('FilesRead'); |
---|
540 | |
---|
541 | if (keys(%newstats)) { |
---|
542 | &Debug("Starting DB update"); |
---|
543 | |
---|
544 | # Be sure we are connected to DB |
---|
545 | my $connected = &a2p_db_connected() ? 1 : &a2p_db_connect() ; |
---|
546 | return &Error("Not connected to db") unless ($connected); |
---|
547 | |
---|
548 | # Be sure DB is ready for statistics |
---|
549 | &a2p_db_statistics_ready() |
---|
550 | or return &Error("Db not ready for statistics"); |
---|
551 | |
---|
552 | # Reset activity meter |
---|
553 | $activity = 0 ; |
---|
554 | |
---|
555 | } else { |
---|
556 | $activity ++ unless ($activity > 100); |
---|
557 | |
---|
558 | # Still return if nothing to do |
---|
559 | return $activity > 10 ? $activity : 10 ; |
---|
560 | } |
---|
561 | |
---|
562 | foreach my $stat (keys(%newstats)) { |
---|
563 | my ( $service, $proc , $date ) = |
---|
564 | $stat =~ /^(.*)-(JobManager|Converter)-(\d+)$/ ; |
---|
565 | unless (defined($proc) and $proc and defined($date) and $date) { |
---|
566 | &Error("Won't handle lines from unrecognized '$stat' file"); |
---|
567 | delete $newstats{$stat} ; |
---|
568 | next ; |
---|
569 | } |
---|
570 | |
---|
571 | &stats_set_service($service); |
---|
572 | |
---|
573 | scalar(@{$newstats{$stat}}) ; |
---|
574 | &Debug("Have " . $line_nb . " lines to analyse in $stat") |
---|
575 | if ( $line_nb > 100 ); |
---|
576 | |
---|
577 | foreach my $line (@{$newstats{$stat}}) { |
---|
578 | chomp $line ; |
---|
579 | |
---|
580 | # Skip headers lines |
---|
581 | unless ( $line =~ /^(\d{8});(\d{6});/ ) { |
---|
582 | $line_nb -- ; |
---|
583 | next ; |
---|
584 | } |
---|
585 | |
---|
586 | my @Job = split(/;/,$line) ; |
---|
587 | if ($proc eq 'JobManager' and scalar(@Job) > 8) { |
---|
588 | &stats_jobmanager(\@Job) |
---|
589 | or return &Error("Can't manage '$line' JobManager " . |
---|
590 | "statistics line as (@Job) array from $stat file"); |
---|
591 | |
---|
592 | } elsif ($proc eq 'Converter' and scalar(@Job) > 12) { |
---|
593 | &stats_converter(\@Job) |
---|
594 | or return &Error("Can't manage '$line' Converter " . |
---|
595 | "statistics line as (@Job) array from $stat file"); |
---|
596 | |
---|
597 | } else { |
---|
598 | &Info("Can't handle '$line' as bad formatted '$proc' line " . |
---|
599 | "from $stat file"); |
---|
600 | next ; |
---|
601 | } |
---|
602 | |
---|
603 | # Check statistics loading rate each 30 seconds |
---|
604 | $LoadedLines ++ ; |
---|
605 | if (&tv_interval(\@LastLoadCheck) > 30) { |
---|
606 | &Info(sprintf( |
---|
607 | "%d more lines loaded: Loading rate %.2f lines per second" . |
---|
608 | " (now on %s)", |
---|
609 | $LoadedLines, $LoadedLines/&tv_interval(\@LastLoadCheck), |
---|
610 | $stat)) |
---|
611 | if ($LoadedLines>100); |
---|
612 | @LastLoadCheck = &gettimeofday() ; |
---|
613 | $LoadedLines = 0 ; |
---|
614 | } |
---|
615 | |
---|
616 | # Check to return immediatly when requested |
---|
617 | return 0 if ( $do_quit or $MUSTQUIT); |
---|
618 | |
---|
619 | # Check to commit after a delay, and also cache control |
---|
620 | &check_commit(); |
---|
621 | } |
---|
622 | |
---|
623 | # Update %FILES to current file position after DB has been updated |
---|
624 | $FILES{$stat} = tell($FH{$stat}) ; |
---|
625 | } |
---|
626 | |
---|
627 | &Debug("DB update finished") ; |
---|
628 | |
---|
629 | # Here every thing has been done |
---|
630 | return 1 ; |
---|
631 | } |
---|
632 | |
---|
633 | sub openUNIXSOCK { |
---|
634 | my $sockname = shift ; |
---|
635 | &Debug("Creating '$sockname' unix socket"); |
---|
636 | |
---|
637 | # Open UNIX Socket |
---|
638 | socket( $UNIXSOCK , PF_UNIX, SOCK_STREAM , 0 ) |
---|
639 | or return &Error("Can't create an unix socket: $!"); |
---|
640 | |
---|
641 | bless $UNIXSOCK , "IO::Socket" ; |
---|
642 | |
---|
643 | unlink $sockname ; |
---|
644 | |
---|
645 | bind( $UNIXSOCK , pack_sockaddr_un( $sockname ) ) |
---|
646 | or return &Error("Can't bind unix socket on '$sockname': $!"); |
---|
647 | |
---|
648 | listen( $UNIXSOCK , SOMAXCONN ) |
---|
649 | or return &Error("Can't listenn on unix socket '$sockname': $!"); |
---|
650 | |
---|
651 | &Debug("'$sockname' unix socket created"); |
---|
652 | 1 ; |
---|
653 | } |
---|
654 | |
---|
655 | sub SigUSR2 { |
---|
656 | if (defined($UNIXSOCK)) { |
---|
657 | my $socket ; |
---|
658 | $UNIXSOCK->blocking(0); |
---|
659 | my $addr = accept($socket,$UNIXSOCK); |
---|
660 | if ( $addr ) { |
---|
661 | &Debug("Got connection on $socket socket"); |
---|
662 | bless $socket , "IO::Socket" ; |
---|
663 | $socket->autoflush(1); |
---|
664 | my $msg = "<active time='" . time . "'/>" ; |
---|
665 | print $socket "$msg\n" ; |
---|
666 | close($socket); |
---|
667 | &Debug("Printed '$msg' on $socket socket"); |
---|
668 | |
---|
669 | } else { |
---|
670 | &Warn("No client connection on SIGUSR2 received"); |
---|
671 | } |
---|
672 | |
---|
673 | } else { |
---|
674 | &Warn("Can't say I'm active"); |
---|
675 | } |
---|
676 | } |
---|
677 | |
---|
678 | |
---|
679 | ################################################################################ |
---|
680 | ### Pre-init |
---|
681 | ################################################################################ |
---|
682 | |
---|
683 | &Info("$Progname service v" . A2P_RPM_VERSION . " starting"); |
---|
684 | |
---|
685 | my @MarkTimer = &gettimeofday() ; |
---|
686 | $STATS{'A2PSTAT-VERSION'} = A2P_RPM_VERSION ; |
---|
687 | |
---|
688 | &InitCheck ; # This sub forks other managed statistics folders |
---|
689 | |
---|
690 | ################################################################################ |
---|
691 | ### Main loop |
---|
692 | ################################################################################ |
---|
693 | |
---|
694 | my $started_check = $MASTER ? 10 : 0 ; |
---|
695 | my %restart = () ; |
---|
696 | my $factor = 0 ; |
---|
697 | |
---|
698 | &TIMESTAT('MainLoop'); |
---|
699 | while ( ! $MUSTQUIT and (! $MASTER or keys(%sons))) { |
---|
700 | |
---|
701 | if ($started_check) { |
---|
702 | &Info("$Progname service v" . A2P_RPM_VERSION . " started") |
---|
703 | unless (--$started_check); |
---|
704 | } |
---|
705 | |
---|
706 | &LogSigMessage(); |
---|
707 | |
---|
708 | if ($do_test) { |
---|
709 | if ($MASTER) { |
---|
710 | $STATS{'#### ID ####'} = "MASTER-$$" ; |
---|
711 | kill 10, keys(%sons) ; |
---|
712 | } else { |
---|
713 | $STATS{'#### ID ####'} = "THREAD-$$ on $STATS_FOLDER" ; |
---|
714 | } |
---|
715 | A2P::Thread::self_TEST(); |
---|
716 | } |
---|
717 | |
---|
718 | @MarkTimer = &gettimeofday() , &Info("---MARK---") |
---|
719 | unless ( ! $MASTER or &tv_interval(\@MarkTimer) < 1800 ); |
---|
720 | |
---|
721 | ########################### |
---|
722 | # Statistics handling code |
---|
723 | ########################### |
---|
724 | last unless ($MASTER or $factor = &statistics); |
---|
725 | |
---|
726 | # Check also stopped thread in master |
---|
727 | while ( $MASTER and $pid = waitpid(-1,&WNOHANG) ) { |
---|
728 | last if ( $pid < 0 ); |
---|
729 | &Debug("Process $pid returned"); |
---|
730 | |
---|
731 | if (defined($sons{$pid})) { |
---|
732 | my $folder = $sons{$pid} ; |
---|
733 | if ($?>>8) { |
---|
734 | &Warn("$folder statistics manager returned with code ".($?>>8)); |
---|
735 | |
---|
736 | } else { |
---|
737 | &Info("$folder statistics manager returned"); |
---|
738 | } |
---|
739 | |
---|
740 | my @folders = values(%sons) ; |
---|
741 | delete $sons{$pid} ; |
---|
742 | |
---|
743 | # Check if we need to restart the thread |
---|
744 | unless ( $do_quit or $started_check ) { |
---|
745 | &CheckThreads(@folders); |
---|
746 | &Info("'$folder' statistics manager restarted"); |
---|
747 | |
---|
748 | my $now = time ; |
---|
749 | if (defined($restart{$folder})) { |
---|
750 | # Reset restart statistics if older than a minute |
---|
751 | $restart{$folder} = [ 0 , $now ] |
---|
752 | if (time - $restart{$folder}->[1] > 60); |
---|
753 | |
---|
754 | } else { |
---|
755 | $restart{$folder} = [ 0 , $now ] ; |
---|
756 | } |
---|
757 | |
---|
758 | $restart{$folder}->[0] ++ ; |
---|
759 | my $last = $now - $restart{$folder}->[1] ; |
---|
760 | if ( $last and $restart{$folder}->[0]/$last > 2 ) { |
---|
761 | &Debug(sprintf("Restart rate = %.2f" , |
---|
762 | $restart{$folder}->[0]/$last)); |
---|
763 | &Alert("Can't manage '$folder' statistics folder: " . |
---|
764 | "Too much restart"); |
---|
765 | $do_quit ++ ; |
---|
766 | } |
---|
767 | } |
---|
768 | |
---|
769 | } else { |
---|
770 | &Warn("Unknown process $pid returned"); |
---|
771 | } |
---|
772 | } |
---|
773 | |
---|
774 | ####################### |
---|
775 | # Check flags |
---|
776 | ####################### |
---|
777 | |
---|
778 | # true after QUIT/TERM signal has been received |
---|
779 | last if ( $do_quit ); |
---|
780 | |
---|
781 | # true after HUP signal has been received |
---|
782 | |
---|
783 | if ( $do_init ) { |
---|
784 | my $temp = $STATS_FOLDER ; # Will re-check and keep STATS_FOLDER in sons |
---|
785 | # Still quit if our STATS_FOLDER not in the current |
---|
786 | last unless (grep { /^$temp$/ } &InitCheck()); |
---|
787 | if ($MASTER) { |
---|
788 | map { |
---|
789 | &Debug("Sending HUP signal to $_ thread"); |
---|
790 | kill 1, $_ ; |
---|
791 | } keys(%sons) ; |
---|
792 | &Info("Configuration reloaded"); |
---|
793 | |
---|
794 | } else { |
---|
795 | $STATS_FOLDER = $temp ; |
---|
796 | } |
---|
797 | } |
---|
798 | |
---|
799 | # Check to do last commits |
---|
800 | &check_commit($factor); |
---|
801 | |
---|
802 | $factor = 1 unless ($factor); |
---|
803 | |
---|
804 | &TIMESTAT('MainLoop'); |
---|
805 | usleep $factor * $USLEEP ; |
---|
806 | &TIMESTAT('MainLoop'); |
---|
807 | } |
---|
808 | |
---|
809 | # We can safely activate debugging when quitting is requested |
---|
810 | $NO_SYSLOG_DEBUG = 0 if $SERVICE_DEBUG ; |
---|
811 | |
---|
812 | &LogSigMessage ; |
---|
813 | |
---|
814 | if ( $MASTER ) { |
---|
815 | &Info("$Progname service is stopping"); |
---|
816 | &CheckThreads(); # This will kill sons with SIGTERM |
---|
817 | |
---|
818 | } else { |
---|
819 | # Remove unix socket |
---|
820 | close($UNIXSOCK); |
---|
821 | unlink $FILES{'SOCKET'} ; |
---|
822 | |
---|
823 | &a2p_db_disconnect(); |
---|
824 | |
---|
825 | # Free DBM file and statistics folder |
---|
826 | untie %FILES ; |
---|
827 | flock($LCK, LOCK_UN); |
---|
828 | close($LCK); |
---|
829 | } |
---|
830 | |
---|
831 | # Wait until every child has quit |
---|
832 | while ( $pid = wait ) { |
---|
833 | last if ( $pid < 0 ); |
---|
834 | &Debug("T$pid has terminated"); |
---|
835 | } |
---|
836 | |
---|
837 | &LogSigMessage ; |
---|
838 | |
---|
839 | if ($MASTER) { |
---|
840 | if (defined($argument)) { |
---|
841 | &Debug("PID file = '$argument'"); |
---|
842 | # Delete our PID in PID file |
---|
843 | if (open RET , ">$argument") { |
---|
844 | print RET "0" ; |
---|
845 | close(RET); |
---|
846 | |
---|
847 | } else { |
---|
848 | &Error("Can't open PID file '$argument': $!"); |
---|
849 | } |
---|
850 | } |
---|
851 | |
---|
852 | &Info("$Progname service stopped"); |
---|
853 | |
---|
854 | } else { |
---|
855 | &Info("Synchronization of statistics from '$STATS_FOLDER' stopped"); |
---|
856 | } |
---|
857 | |
---|
858 | exit(0); |
---|
859 | |
---|
860 | END { |
---|
861 | # Output statistics when quitting from a disgnostic service |
---|
862 | A2P::Thread::self_TEST() if ($Progname =~ /^diagnostics/); |
---|
863 | |
---|
864 | $MASTER ? |
---|
865 | &Debug("=============================QUIT===============================") |
---|
866 | : |
---|
867 | &Debug($0 . "[$$] =====QUIT====="); |
---|
868 | &LogSigMessage ; |
---|
869 | } |
---|