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Comparing projects/cms/source/host/ihost-perl/ihost.pl (file contents):
Revision 1.26 by tdb, Mon Mar 12 23:51:15 2001 UTC vs.
Revision 1.28 by pjm2, Wed Mar 14 18:48:33 2001 UTC

# Line 34 | Line 34 | use vars qw (
34               $file_list
35               $fqdn
36               $pidfile
37 +             $retry_wait
38              );
39  
40   if (@ARGV != 2) {
# Line 44 | Line 45 | $filter_manager_addr = $ARGV[0];
45   $filter_manager_port = $ARGV[1];
46  
47   $seq_no = 1;
48 + $retry_wait = 6;
49  
50   # write our PID to a file
51   $pidfile = "/var/tmp/ihost.pid";
# Line 82 | Line 84 | exit(0);
84  
85  
86   #-----------------------------------------------------------------------
87 + # wait_then_retry
88 + # Waits for the period of time specified in $retry_wait, then attempts
89 + # to reconfigure with the server.
90 + #-----------------------------------------------------------------------
91 + sub wait_then_retry() {
92 +    print "Will retry configuration with filter manager in $retry_wait seconds.\n";
93 +    `sleep $retry_wait`;
94 + }
95 +
96 +
97 + #-----------------------------------------------------------------------
98   # tcp_configure
99   # Establishes a TCP connection to the specified i-scream filter manager.
100   # The host then requests details from the server, such as the intervals
# Line 89 | Line 102 | exit(0);
102   #-----------------------------------------------------------------------
103   sub tcp_configure() {
104      
105 <    my($sock) = new IO::Socket::INET(
106 <                                     PeerAddr => $filter_manager_addr,
107 <                                     PeerPort => $filter_manager_port,
108 <                                     Proto => 'tcp'
109 <                                    ) or die "Cannot connect!";
110 <    if (!defined $sock) {
111 <        print "IHOST ERROR: Could not connect to $filter_manager_addr:$filter_manager_port.\n";
112 <        print "Please check that there is an i-scream server at this address.\n";
113 <        print "Program ended.\n";
114 <        exit(1);
115 <    }
105 >    while (1 == 1) {
106 >        my($sock) = new IO::Socket::INET(
107 >                                         PeerAddr => $filter_manager_addr,
108 >                                         PeerPort => $filter_manager_port,
109 >                                         Proto => 'tcp'
110 >                                        ) or die "Cannot connect!";
111 >        if (!defined $sock) {
112 >            print "IHOST ERROR: Could not connect to $filter_manager_addr:$filter_manager_port.\n";
113 >            print "Please check that there is an i-scream server at this address.\n";
114 >            close($sock);
115 >            wait_then_retry();
116 >            next;
117 >        }
118  
119 <    # Now run through the configuration process...
120 <    my($response);
119 >        # Now run through the configuration process...
120 >        my($response);
121      
122 <    print $sock "STARTCONFIG\n";
123 <    $response = <$sock>;
124 <    if (!chop $response eq "OK") {
125 <        print "The i-scream server rejected the STARTCONFIG command.  Terminated.";
126 <        exit(1);
127 <    }
122 >        print $sock "STARTCONFIG\n";
123 >        $response = <$sock>;
124 >        if (!chop $response eq "OK") {
125 >            print "The i-scream server rejected the STARTCONFIG command.  Terminated.";
126 >            close($sock);
127 >            wait_then_retry();
128 >            next;
129 >        }
130  
131 <    print "Config started okay.\n";
131 >        print "Config started okay.\n";
132      
133 <    print $sock "LASTMODIFIED\n";
134 <    $response = <$sock>;
135 <    chop $response;
136 <    $last_modified = $response;
133 >        print $sock "LASTMODIFIED\n";
134 >        $response = <$sock>;
135 >        chop $response;
136 >        $last_modified = $response;
137      
138 <    print "Config last modified: ". (scalar localtime $last_modified/1000) . "\n";
138 >        print "Config last modified: ". (scalar localtime $last_modified/1000) . "\n";
139  
140 <    print $sock "FILELIST\n";
141 <    $response = <$sock>;
142 <    chop $response;
143 <    $file_list = $response;
140 >        print $sock "FILELIST\n";
141 >        $response = <$sock>;
142 >        chop $response;
143 >        $file_list = $response;
144  
145 <    print "File list obtained: $file_list\n";
145 >        print "File list obtained: $file_list\n";
146  
147 <    print $sock "FQDN\n";
148 <    $response = <$sock>;
149 <    chop $response;
150 <    $fqdn = $response;
147 >        print $sock "FQDN\n";
148 >        $response = <$sock>;
149 >        chop $response;
150 >        $fqdn = $response;
151  
152 <    print "FQDN returned: $fqdn\n";
152 >        print "FQDN returned: $fqdn\n";
153  
154 <    print $sock "UDPUpdateTime\n";
155 <    $response = <$sock>;
156 <    chop $response;
157 <    $udp_update_time = $response;
154 >        print $sock "UDPUpdateTime\n";
155 >        $response = <$sock>;
156 >        chop $response;
157 >        $udp_update_time = $response;
158  
159 <    print $sock "TCPUpdateTime\n";
160 <    $response = <$sock>;
161 <    chop $response;
162 <    $tcp_update_time = $response;
159 >        print $sock "TCPUpdateTime\n";
160 >        $response = <$sock>;
161 >        chop $response;
162 >        $tcp_update_time = $response;
163      
164 <    print "UDP packet period: $udp_update_time seconds.\nTCP heartbeat period: $tcp_update_time seconds.\n";
164 >        print "UDP packet period: $udp_update_time seconds.\nTCP heartbeat period: $tcp_update_time seconds.\n";
165  
166 <    print $sock "ENDCONFIG\n";
167 <    $response = <$sock>;
168 <    chomp $response;
169 <    if (!$response eq "OK") {
170 <        print "ENDCONFIG command to server failed.  Terminated.\n";
171 <        exit(1);
172 <    }
166 >        print $sock "ENDCONFIG\n";
167 >        $response = <$sock>;
168 >        chomp $response;
169 >        if (!$response eq "OK") {
170 >            print "ENDCONFIG command to server failed.  Terminated.\n";
171 >            close($sock);
172 >            wait_then_retry();
173 >            next;
174 >        }
175  
176 <    print "Config ended.\n";
176 >        print "Config ended.\n";
177      
178 <    print $sock "FILTER\n";
179 <    $response = <$sock>;
180 <    unless (defined($response)) {
181 <        print "Failed: Could not get a filter address from the filter manager.\n";
182 <        exit(1);
183 <    }
184 <    chop $response;
185 <    $response =~ /(.*);(.*);(.*)/;
186 <    ($filter_addr, $udp_port, $tcp_port) = ($1, $2, $3);
187 <    unless (defined($filter_addr) && defined($udp_port) && defined($tcp_port)) {
188 <        print "Failed: Filter address response from server did not make sense: $response\n";
189 <        exit(1);
190 <    }
178 >        print $sock "FILTER\n";
179 >        $response = <$sock>;
180 >        unless (defined($response)) {
181 >            print "Failed: Could not get a filter address from the filter manager.\n";
182 >            close($sock);
183 >            wait_then_retry();
184 >            next;
185 >        }
186 >        chop $response;
187 >        $response =~ /(.*);(.*);(.*)/;
188 >        if ($response eq "ERROR") {
189 >            print "There are no active configured filters for your host.\n";
190 >            close($sock);
191 >            wait_then_retry();
192 >            next;
193 >        }
194 >        ($filter_addr, $udp_port, $tcp_port) = ($1, $2, $3);
195 >        unless (defined($filter_addr) && defined($udp_port) && defined($tcp_port)) {
196 >            print "Failed: Filter address response from server did not make sense: $response\n";
197 >            close($sock);
198 >            wait_then_retry();
199 >            next;
200 >        }
201      
202 <    print "Got filter data ($filter_addr, $udp_port, $tcp_port)\n";
202 >        print "Got filter data ($filter_addr, $udp_port, $tcp_port)\n";
203  
204 <    print $sock "END\n";
205 <    $response = <$sock>;
206 <    chop $response;
207 <    if ($response eq "OK") {
208 <        print "Host successfully configured via TCP.\n"
209 <    }
210 <    else {
211 <        print "The server failed the host configuration on the END command.";
212 <        exit(1);
213 <    }
204 >        print $sock "END\n";
205 >        $response = <$sock>;
206 >        chop $response;
207 >        if ($response eq "OK") {
208 >            print "Host successfully configured via TCP.\n"
209 >        }
210 >        else {
211 >            print "The server failed the host configuration on the END command.";
212 >            close($sock);
213 >            wait_then_retry();
214 >            next;
215 >        }
216      
217 <    close($sock);
217 >        close($sock);
218  
219 <    print "Configuration finished sucessfully!\n";
220 <    
219 >        print "Configuration finished sucessfully!\n";
220 >        last;
221 >    }
222      return;
223   }
224  
# Line 311 | Line 343 | sub send_tcp_heartbeat() {
343                                      ) or return;
344      if (!defined $sock) {
345          print "IHOST WARNING: Failed to deliver a heartbeat to the i-scream filter.\n";
346 +        &tcp_configure();
347          return;
348      }
349  
# Line 324 | Line 357 | sub send_tcp_heartbeat() {
357      if (!$response eq "OK") {
358          close($sock);
359          print "Server gave wrong response to HEARTBEAT: $response\n";
360 +        &tcp_configure();
361          return;
362      }
363      
# Line 334 | Line 368 | sub send_tcp_heartbeat() {
368      if (!$response eq "OK") {
369          close($sock);
370          print "Server gave wrong response to CONFIG: $response\n";
371 +        &tcp_configure();
372          return;
373      }
374  
# Line 344 | Line 379 | sub send_tcp_heartbeat() {
379      if (!$response eq "OK") {
380          close($sock);
381          print "Server gave wrong response to file list: $response\n";
382 +        &tcp_configure();
383          return;
384      }
385      
# Line 353 | Line 389 | sub send_tcp_heartbeat() {
389      chop $response;
390      if ($response eq "ERROR") {
391          close($sock);
392 +        print "Server configuration changed.  Reconfiguring with filter manager.\n";
393          &tcp_configure();
394          return;
395      }
396      if (!$response eq "OK") {
397          close($sock);
398          print "Server gave wrong response to HEARTBEAT: $response\n";
399 +        &tcp_configure();
400          return;
401      }
402      
# Line 369 | Line 407 | sub send_tcp_heartbeat() {
407      if (!$response eq "OK") {
408          close($sock);
409          print "Server gave wrong response to ENDHEARTBEAT: $response\n";
410 +        &tcp_configure();
411          return;
412      }
413      

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