[24453] | 1 | ###########################################################################
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| 2 | #
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| 3 | # solrserver.pm -- class for starting and stopping the Solr/jetty server
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| 4 | # A component of the Greenstone digital library software
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| 5 | # from the New Zealand Digital Library Project at the
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| 6 | # University of Waikato, New Zealand.
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| 7 | #
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| 8 | # Copyright (C) 1999 New Zealand Digital Library Project
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| 9 | #
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| 10 | # This program is free software; you can redistribute it and/or modify
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| 11 | # it under the terms of the GNU General Public License as published by
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| 12 | # the Free Software Foundation; either version 2 of the License, or
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| 13 | # (at your option) any later version.
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| 14 | #
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| 15 | # This program is distributed in the hope that it will be useful,
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| 16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 18 | # GNU General Public License for more details.
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| 19 | #
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| 20 | # You should have received a copy of the GNU General Public License
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| 21 | # along with this program; if not, write to the Free Software
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| 22 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 23 | #
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| 24 | ###########################################################################
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| 25 |
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| 26 |
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| 27 | package solrserver;
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| 28 |
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| 29 | use strict;
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| 30 |
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| 31 | use solrutil;
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| 32 |
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| 33 | sub new {
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| 34 | my $class = shift(@_);
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| 35 |
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| 36 | my $self = { 'jetty_stop_key' => "greenstone-solr" };
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| 37 |
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| 38 | my $search_path = &solrutil::get_search_path();
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| 39 |
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| 40 | my $server_jar = &util::filename_cat("lib","java","solr-jetty-server.jar");
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| 41 | my $full_server_jar = solrutil::locate_file($search_path,$server_jar);
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| 42 | $self->{'full_server_jar'} = $full_server_jar;
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| 43 |
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| 44 | $self->{'jetty_explicitly_started'} = undef;
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| 45 |
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| 46 | return bless $self, $class;
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| 47 | }
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| 48 |
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| 49 | sub start
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| 50 | {
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| 51 | my $self = shift @_;
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| 52 |
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| 53 | my $solr_home = $ENV{'GEXT_SOLR'};
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| 54 | my $jetty_stop_port = $ENV{'JETTY_STOP_PORT'};
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| 55 | my $jetty_server_port = $ENV{'SOLR_JETTY_PORT'};
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| 56 |
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| 57 | chdir($solr_home);
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| 58 |
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| 59 | my $solr_etc = &util::filename_cat($solr_home,"etc");
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| 60 |
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| 61 | my $server_props = "-DSTOP.PORT=$jetty_stop_port";
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| 62 | $server_props .= " -DSTOP.KEY=".$self->{'jetty_stop_key'};
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| 63 | $server_props .= " -Dsolr.solr.home=$solr_etc";
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| 64 |
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| 65 | my $full_server_jar = $self->{'full_server_jar'};
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| 66 |
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| 67 | my $server_java_cmd = "java $server_props -jar \"$full_server_jar\"";
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| 68 |
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| 69 | ## print STDERR "**** server cmd = $server_java_cmd\n";
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| 70 |
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| 71 | my $pid = open(STARTIN,"-|");
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| 72 |
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| 73 | if ($pid==0) {
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| 74 | # child process that will start up jetty and monitor output
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| 75 |
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| 76 | setpgrp(0,0);
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| 77 |
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| 78 | exec "$server_java_cmd 2>&1" || die "Failed to execute $server_java_cmd\n$!\n";
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| 79 | # everything stops here
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| 80 | }
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| 81 |
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| 82 | my $server_status = "unknown";
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| 83 |
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| 84 | my $line;
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| 85 | while (defined($line=<STARTIN>)) {
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| 86 | # Scan through output until you see a line like:
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| 87 | # 2011-08-22 .. :INFO::Started [email protected]:8983
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| 88 | # which signifies that the server has started up and is
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| 89 | # "ready and listening"
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| 90 |
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| 91 | ## print STDERR "**** $line";
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| 92 |
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| 93 | # skip annoying "not listening" message
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| 94 | next if ($line =~ m/WARN:\s*Not listening on monitor port/);
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| 95 |
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| 96 | if (($line =~ m/^(WARN|ERROR|SEVERE):/)
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| 97 | || ($line =~ m/^[0-9 :-]*(WARN|ERROR|SEVERE)::/)) {
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| 98 | print "Jetty startup: $line";
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| 99 | }
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| 100 |
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| 101 |
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| 102 | if ($line =~ m/WARN::failed SocketConnector/) {
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| 103 | if ($line =~ m/Address already in use/) {
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| 104 | $server_status = "already-running";
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| 105 | }
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| 106 | else {
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| 107 | $server_status = "failed-to-start";
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| 108 | }
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| 109 | last;
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| 110 | }
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| 111 |
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| 112 | if ($line =~ m/INFO::Started SocketConnector/) {
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| 113 | $server_status = "explicitly-started";
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| 114 | last;
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| 115 | }
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| 116 | }
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| 117 |
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| 118 | if ($server_status eq "explicitly-started") {
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| 119 | $self->{'jetty_explicitly_started'} = 1;
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| 120 | print "Jetty server ready and listening for connections on port $jetty_server_port\n";
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| 121 |
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| 122 | # now we know the server is ready to accept connections, fork a
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| 123 | # child process that continues to listen to the output and
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| 124 | # prints out any lines that are not INFO lines
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| 125 |
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| 126 | if (fork()==0) {
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| 127 | # child process
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| 128 |
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| 129 | my $line;
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| 130 | while (defined ($line = <STARTIN>)) {
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| 131 |
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| 132 | # if (($line =~ m/^(WARN|ERROR|SEVERE):/)
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| 133 | # || ($line =~ m/^[0-9 :-]*(WARN|ERROR|SEVERE)::/)) {
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| 134 | # print "Jetty $line";
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| 135 | # }
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| 136 |
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| 137 |
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| 138 | # skip info lines
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| 139 | next if ($line =~ m/^INFO:/);
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| 140 | next if ($line =~ m/^[0-9 :-]*INFO::/);
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| 141 | next if ($line =~ m/^\d{2}\/\d{2}\/\d{4}\s+/);
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| 142 | next if ($line =~ m/^\d{4}-\d{2}-\d{2}\s+/);
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| 143 |
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| 144 | ## next if ($line =~ m/^\s*\w+{.*}/);
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| 145 |
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| 146 | # if here, then some non-trival message has been logged
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| 147 | print "Jetty/Solr processing: $line";
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| 148 | }
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| 149 | close(STARTIN);
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| 150 |
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| 151 | # And now stop nicely
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| 152 | exit 0;
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| 153 | }
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| 154 | # otherwise let the parent continue on
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| 155 | }
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| 156 | elsif ($server_status eq "already-running") {
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| 157 | print "Using existing server detected on port $jetty_server_port\n";
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| 158 | $self->{'jetty_explicitly_started'} = 0;
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| 159 |
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| 160 | # Kill of the child process
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| 161 |
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| 162 | my $ks = kill(9,-$pid);
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| 163 |
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| 164 | # Consume any remaining (buffered) output (not interested in values)
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| 165 | while (defined ($line = <STARTIN>)) {
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| 166 | # skip info lines
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| 167 | }
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| 168 | close(STARTIN);
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| 169 | }
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| 170 | else {
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| 171 | print STDERR "Failed to start Solr/Jetty web server on $jetty_server_port\n";
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| 172 | exit -1;
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| 173 | }
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| 174 |
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| 175 |
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| 176 | # else {
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| 177 | # print STDERR "Error: failed to start solr-jetty-server\n";
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| 178 | # print STDERR "!$\n\n";
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| 179 | # print STDERR "Command attempted was:\n";
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| 180 | # print STDERR " $server_java_cmd\n";
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| 181 | # print STDERR "run from directory:\n";
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| 182 | # print STDERR " $solr_home\n";
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| 183 | # print STDERR "----\n";
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| 184 |
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| 185 | # exit -1;
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| 186 | # }
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| 187 |
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| 188 | # # If get to here then server started (and ready and listening)
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| 189 | # # *and* we are the parent process of the fork()
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| 190 |
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| 191 | }
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| 192 |
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| 193 |
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| 194 | sub explicitly_started
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| 195 | {
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| 196 | my $self = shift @_;
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| 197 |
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| 198 | return $self->{'jetty_explicitly_started'};
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| 199 | }
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| 200 |
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| 201 |
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| 202 | sub stop
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| 203 | {
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| 204 | my $self = shift @_;
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| 205 | my ($options) = @_;
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| 206 |
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| 207 | my $solr_home = $ENV{'GEXT_SOLR'};
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| 208 |
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| 209 | chdir($solr_home);
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| 210 |
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| 211 | # defaults
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| 212 | my $do_wait = 1;
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| 213 | my $output_verbosity = 1;
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| 214 |
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| 215 | if (defined $options) {
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| 216 | if (defined $options->{'do_wait'}) {
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| 217 | $do_wait = $options->{'do_wait'};
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| 218 | }
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| 219 | if (defined $options->{'output_verbosity'}) {
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| 220 | $output_verbosity = $options->{'output_verbosity'};
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| 221 | }
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| 222 | }
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| 223 |
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| 224 | my $full_server_jar = $self->{'full_server_jar'};
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| 225 | my $jetty_stop_port = $ENV{'JETTY_STOP_PORT'};
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| 226 |
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| 227 | my $server_props = "-DSTOP.PORT=$jetty_stop_port";
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| 228 | $server_props .= " -DSTOP.KEY=".$self->{'jetty_stop_key'};
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| 229 | my $server_java_cmd = "java $server_props -jar \"$full_server_jar\" --stop";
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| 230 | if (open(STOPIN,"$server_java_cmd 2>&1 |")) {
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| 231 |
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| 232 | my $line;
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| 233 | while (defined($line=<STOPIN>)) {
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| 234 | print "Jetty shutdown: $line" if ($output_verbosity>1);
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| 235 | }
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| 236 | close(STOPIN);
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| 237 |
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| 238 | if ($do_wait) {
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| 239 | wait(); # let the child process finish
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| 240 | }
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| 241 |
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| 242 | if ($output_verbosity>0) {
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| 243 | print "Jetty server shutdown\n";
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| 244 | }
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| 245 | }
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| 246 | else {
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| 247 | print STDERR "Error: failed to stop solr-jetty-server\n";
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| 248 | print STDERR "!$\n";
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| 249 | print STDERR "Command attempted was:\n";
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| 250 | print STDERR " $server_java_cmd\n";
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| 251 | print STDERR "run from directory:\n";
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| 252 | print STDERR " $solr_home\n";
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| 253 | print STDERR "----\n";
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| 254 |
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| 255 | exit -2;
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| 256 | }
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| 257 | }
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| 258 |
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| 259 |
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| 260 |
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| 261 | 1;
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