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revision 1.52, Wed Jun 14 01:12:42 2006 UTC revision 1.67, Fri Sep 29 15:00:17 2006 UTC
# Line 31  Line 31 
31      use File::Basename;      use File::Basename;
32      use File::Path;      use File::Path;
33      use File::stat;      use File::stat;
34        use LWP::UserAgent;
35        use Time::HiRes 'gettimeofday';
36        use URI::Escape;
37    
38  =head1 Tracing and Debugging Helpers  =head1 Tracing and Debugging Helpers
39    
# Line 1348  Line 1351 
1351      return @inputList;      return @inputList;
1352  }  }
1353    
1354    =head3 Percent
1355    
1356    C<< my $percent = Tracer::Percent($number, $base); >>
1357    
1358    Returns the percent of the base represented by the given number. If the base
1359    is zero, returns zero.
1360    
1361    =over 4
1362    
1363    =item number
1364    
1365    Percent numerator.
1366    
1367    =item base
1368    
1369    Percent base.
1370    
1371    =item RETURN
1372    
1373    Returns the percentage of the base represented by the numerator.
1374    
1375    =back
1376    
1377    =cut
1378    
1379    sub Percent {
1380        # Get the parameters.
1381        my ($number, $base) = @_;
1382        # Declare the return variable.
1383        my $retVal = 0;
1384        # Compute the percent.
1385        if ($base != 0) {
1386            $retVal = $number * 100 / $base;
1387        }
1388        # Return the result.
1389        return $retVal;
1390    }
1391    
1392  =head3 GetFile  =head3 GetFile
1393    
1394  C<< my @fileContents = Tracer::GetFile($fileName); >>  C<< my @fileContents = Tracer::GetFile($fileName); >>
# Line 1381  Line 1422 
1422      # Declare the return variable.      # Declare the return variable.
1423      my @retVal = ();      my @retVal = ();
1424      # Open the file for input.      # Open the file for input.
1425      my $ok = open INPUTFILE, "<$fileName";      my $handle = Open(undef, "<$fileName");
     if (!$ok) {  
         # If we had an error, trace it. We will automatically return a null value.  
         Trace("Could not open \"$fileName\" for input: $!") if T(0);  
     } else {  
1426          # Read the whole file into the return variable, stripping off any terminator          # Read the whole file into the return variable, stripping off any terminator
1427          # characters.          # characters.
1428          my $lineCount = 0;          my $lineCount = 0;
1429          while (my $line = <INPUTFILE>) {      while (my $line = <$handle>) {
1430              $lineCount++;              $lineCount++;
1431              $line = Strip($line);              $line = Strip($line);
1432              push @retVal, $line;              push @retVal, $line;
1433          }          }
1434          # Close it.          # Close it.
1435          close INPUTFILE;      close $handle;
1436          my $actualLines = @retVal;          my $actualLines = @retVal;
     }  
1437      # Return the file's contents in the desired format.      # Return the file's contents in the desired format.
1438      if (wantarray) {      if (wantarray) {
1439          return @retVal;          return @retVal;
# Line 1406  Line 1442 
1442      }      }
1443  }  }
1444    
1445    =head3 PutFile
1446    
1447    C<< Tracer::PutFile($fileName, \@lines); >>
1448    
1449    Write out a file from a list of lines of text.
1450    
1451    =over 4
1452    
1453    =item fileName
1454    
1455    Name of the output file.
1456    
1457    =item lines
1458    
1459    Reference to a list of text lines. The lines will be written to the file in order, with trailing
1460    new-line characters. Alternatively, may be a string, in which case the string will be written without
1461    modification.
1462    
1463    =back
1464    
1465    =cut
1466    
1467    sub PutFile {
1468        # Get the parameters.
1469        my ($fileName, $lines) = @_;
1470        # Open the output file.
1471        my $handle = Open(undef, ">$fileName");
1472        if (ref $lines ne 'ARRAY') {
1473            # Here we have a scalar, so we write it raw.
1474            print $handle $lines;
1475        } else {
1476            # Write the lines one at a time.
1477            for my $line (@{$lines}) {
1478                print $handle "$line\n";
1479            }
1480        }
1481        # Close the output file.
1482        close $handle;
1483    }
1484    
1485  =head3 QTrace  =head3 QTrace
1486    
1487  C<< my $data = QTrace($format); >>  C<< my $data = QTrace($format); >>
# Line 1606  Line 1682 
1682    
1683  =head3 AddToListMap  =head3 AddToListMap
1684    
1685  C<< Tracer::AddToListMap(\%hash, $key, $value); >>  C<< Tracer::AddToListMap(\%hash, $key, $value1, $value2, ... valueN); >>
1686    
1687  Add a key-value pair to a hash of lists. If no value exists for the key, a singleton list  Add a key-value pair to a hash of lists. If no value exists for the key, a singleton list
1688  is created for the key. Otherwise, the new value is pushed onto the list.  is created for the key. Otherwise, the new value is pushed onto the list.
# Line 1621  Line 1697 
1697    
1698  Key for which the value is to be added.  Key for which the value is to be added.
1699    
1700  =item value  =item value1, value2, ... valueN
1701    
1702  Value to add to the key's value list.  List of values to add to the key's value list.
1703    
1704  =back  =back
1705    
# Line 1631  Line 1707 
1707    
1708  sub AddToListMap {  sub AddToListMap {
1709      # Get the parameters.      # Get the parameters.
1710      my ($hash, $key, $value) = @_;      my ($hash, $key, @values) = @_;
1711      # Process according to whether or not the key already has a value.      # Process according to whether or not the key already has a value.
1712      if (! exists $hash->{$key}) {      if (! exists $hash->{$key}) {
1713          $hash->{$key} = [$value];          $hash->{$key} = [@values];
1714      } else {      } else {
1715          push @{$hash->{$key}}, $value;          push @{$hash->{$key}}, @values;
1716      }      }
1717  }  }
1718    
# Line 1666  Line 1742 
1742          $retVal = 1;          $retVal = 1;
1743      } else {      } else {
1744          # Here debug mode is off, so we generate an error page.          # Here debug mode is off, so we generate an error page.
1745          my $pageString = PageBuilder::Build("<Html/ErrorPage.html", {}, "Html");          my $pageString = PageBuilder::Build("<<Html/ErrorPage.html", {}, "Html");
1746          print $pageString;          print $pageString;
1747      }      }
1748      # Return the determination indicator.      # Return the determination indicator.
# Line 1837  Line 1913 
1913      my $query = CGI->new();      my $query = CGI->new();
1914      # Check for tracing. Set it up if the user asked for it.      # Check for tracing. Set it up if the user asked for it.
1915      if ($query->param('Trace')) {      if ($query->param('Trace')) {
1916          # Set up tracing to be queued for display at the bottom of the web page.          # Set up tracing.
1917          TSetup($query->param('Trace') . " FIG Tracer", "QUEUE");          my $ttype = ($query->param('TF') ? ">$FIG_Config::temp/Trace$$.log" : "QUEUE");
1918            TSetup($query->param('Trace') . " FIG Tracer", $ttype);
1919          # Trace the parameter and environment data.          # Trace the parameter and environment data.
1920            TraceParms($query);
1921        } else {
1922            # Here tracing is to be turned off. All we allow is errors traced into the
1923            # error log.
1924            TSetup("0", "WARN");
1925        }
1926        # Create the variable hash.
1927        my $varHash = { DebugData => '' };
1928        # Return the query object and variable hash.
1929        return ($query, $varHash);
1930    }
1931    
1932    =head3 TraceParms
1933    
1934    C<< Tracer::TraceParms($query); >>
1935    
1936    Trace the CGI parameters at trace level CGI => 3 and the environment variables
1937    at level CGI => 4.
1938    
1939    =over 4
1940    
1941    =item query
1942    
1943    CGI query object containing the parameters to trace.
1944    
1945    =back
1946    
1947    =cut
1948    
1949    sub TraceParms {
1950        # Get the parameters.
1951        my ($query) = @_;
1952          if (T(CGI => 3)) {          if (T(CGI => 3)) {
1953              # Here we want to trace the parameter data.              # Here we want to trace the parameter data.
1954              my @names = $query->param;              my @names = $query->param;
# Line 1850  Line 1959 
1959                      Trace("CGI: $parmName = " . join(", ", @values));                      Trace("CGI: $parmName = " . join(", ", @values));
1960                  }                  }
1961              }              }
1962            # Now output a GET-style URL for this query.
1963            my $getURL = $query->url(-relative => 1, -query => 1);
1964            # Strip out the Trace parameters.
1965            $getURL =~ s/Trace=\d[^;&]+[;&]//;
1966            $getURL =~ s/TF=\d[;&]//;
1967            # Output the URL.
1968            Trace("URL: ../FIG/$getURL");
1969            # Display the request method.
1970            my $method = $query->request_method();
1971            Trace("Method: $method");
1972          }          }
1973          if (T(CGI => 4)) {          if (T(CGI => 4)) {
1974              # Here we want the environment data too.              # Here we want the environment data too.
# Line 1857  Line 1976 
1976                  Trace("ENV: $envName = $ENV{$envName}");                  Trace("ENV: $envName = $ENV{$envName}");
1977              }              }
1978          }          }
     } else {  
         # Here tracing is to be turned off. All we allow is errors traced into the  
         # error log.  
         TSetup("0", "WARN");  
     }  
     # Create the variable hash.  
     my $varHash = { DebugData => '' };  
     # If we're in DEBUG mode, set up the debug mode data for forms.  
     if (Tracer::DebugMode) {  
         $varHash->{DebugData} = GetFile("Html/DebugFragment.html");  
     }  
     # Return the query object and variable hash.  
     return ($query, $varHash);  
1979  }  }
1980    
1981  =head3 ScriptFinish  =head3 ScriptFinish
# Line 1933  Line 2039 
2039      # Check for a template file situation.      # Check for a template file situation.
2040      my $outputString;      my $outputString;
2041      if (defined $varHash) {      if (defined $varHash) {
2042          # Here we have a template file. We need to apply the variables to the template.          # Here we have a template file. We need to determine the template type.
2043          $outputString = PageBuilder::Build("<$webData", $varHash, "Html");          my $template;
2044            if ($FIG_Config::template_url && $webData =~ /\.php$/) {
2045                $template = "$FIG_Config::template_url/$webData";
2046            } else {
2047                $template = "<<$webData";
2048            }
2049            $outputString = PageBuilder::Build($template, $varHash, "Html");
2050      } else {      } else {
2051          # Here the user gave us a raw string.          # Here the user gave us a raw string.
2052          $outputString = $webData;          $outputString = $webData;
# Line 2010  Line 2122 
2122      }      }
2123  }  }
2124    
2125    =head3 SendSMS
2126    
2127    C<< my $msgID = Tracer::SendSMS($phoneNumber, $msg); >>
2128    
2129    Send a text message to a phone number using Clickatell. The FIG_Config file must contain the
2130    user name, password, and API ID for the relevant account in the hash reference variable
2131    I<$FIG_Config::phone>, using the keys C<user>, C<password>, and C<api_id>. For
2132    example, if the user name is C<BruceTheHumanPet>, the password is C<silly>, and the API ID
2133    is C<2561022>, then the FIG_Config file must contain
2134    
2135        $phone =  { user => 'BruceTheHumanPet',
2136                    password => 'silly',
2137                    api_id => '2561022' };
2138    
2139    The original purpose of this method was to insure Bruce would be notified immediately when the
2140    Sprout Load terminates. Care should be taken if you do not wish Bruce to be notified immediately
2141    when you call this method.
2142    
2143    The message ID will be returned if successful, and C<undef> if an error occurs.
2144    
2145    =over 4
2146    
2147    =item phoneNumber
2148    
2149    Phone number to receive the message, in international format. A United States phone number
2150    would be prefixed by "1". A British phone number would be prefixed by "44".
2151    
2152    =item msg
2153    
2154    Message to send to the specified phone.
2155    
2156    =item RETURN
2157    
2158    Returns the message ID if successful, and C<undef> if the message could not be sent.
2159    
2160    =back
2161    
2162    =cut
2163    
2164    sub SendSMS {
2165        # Get the parameters.
2166        my ($phoneNumber, $msg) = @_;
2167        # Declare the return variable. If we do not change it, C<undef> will be returned.
2168        my $retVal;
2169        # Only proceed if we have phone support.
2170        if (! defined $FIG_Config::phone) {
2171            Trace("Phone support not present in FIG_Config.") if T(1);
2172        } else {
2173            # Get the phone data.
2174            my $parms = $FIG_Config::phone;
2175            # Get the Clickatell URL.
2176            my $url = "http://api.clickatell.com/http/";
2177            # Create the user agent.
2178            my $ua = LWP::UserAgent->new;
2179            # Request a Clickatell session.
2180            my $resp = $ua->post("$url/sendmsg", { user => $parms->{user},
2181                                         password => $parms->{password},
2182                                         api_id => $parms->{api_id},
2183                                         to => $phoneNumber,
2184                                         text => $msg});
2185            # Check for an error.
2186            if (! $resp->is_success) {
2187                Trace("Alert failed.") if T(1);
2188            } else {
2189                # Get the message ID.
2190                my $rstring = $resp->content;
2191                if ($rstring =~ /^ID:\s+(.*)$/) {
2192                    $retVal = $1;
2193                } else {
2194                    Trace("Phone attempt failed with $rstring") if T(1);
2195                }
2196            }
2197        }
2198        # Return the result.
2199        return $retVal;
2200    }
2201    
2202    =head3 CommaFormat
2203    
2204    C<< my $formatted = Tracer::CommaFormat($number); >>
2205    
2206    Insert commas into a number.
2207    
2208    =over 4
2209    
2210    =item number
2211    
2212    A sequence of digits.
2213    
2214    =item RETURN
2215    
2216    Returns the same digits with commas strategically inserted.
2217    
2218    =back
2219    
2220    =cut
2221    
2222    sub CommaFormat {
2223        # Get the parameters.
2224        my ($number) = @_;
2225        # Pad the length up to a multiple of three.
2226        my $padded = "$number";
2227        $padded = " " . $padded while length($padded) % 3 != 0;
2228        # This is a fancy PERL trick. The parentheses in the SPLIT pattern
2229        # cause the delimiters to be included in the output stream. The
2230        # GREP removes the empty strings in between the delimiters.
2231        my $retVal = join(",", grep { $_ ne '' } split(/(...)/, $padded));
2232        # Clean out the spaces.
2233        $retVal =~ s/ //g;
2234        # Return the result.
2235        return $retVal;
2236    }
2237  =head3 SetPermissions  =head3 SetPermissions
2238    
2239  C<< Tracer::SetPermissions($dirName, $group, $mask, %otherMasks); >>  C<< Tracer::SetPermissions($dirName, $group, $mask, %otherMasks); >>
# Line 2081  Line 2305 
2305              # that, we need to pull the individual part of the name off of the              # that, we need to pull the individual part of the name off of the
2306              # whole path.              # whole path.
2307              my $simpleName = $dir;              my $simpleName = $dir;
2308              if ($dir =~ m!/(.+)$!) {              if ($dir =~ m!/([^/]+)$!) {
2309                  $simpleName = $1;                  $simpleName = $1;
2310              }              }
2311                Trace("Simple directory name for $dir is $simpleName.") if T(4);
2312              # Search for a match.              # Search for a match.
2313              my $match = 0;              my $match = 0;
2314              my $i;              my $i;
# Line 2120  Line 2345 
2345                          # and we want to skip it anyway.                          # and we want to skip it anyway.
2346                          if ($fileInfo) {                          if ($fileInfo) {
2347                              my $fileMode = $fileInfo->mode;                              my $fileMode = $fileInfo->mode;
2348                              if (($fileMode & $mask) == 0) {                              if (($fileMode & $mask) != $mask) {
2349                                  # Fix this member.                                  # Fix this member.
2350                                  $fileMode |= $mask;                                  $fileMode |= $mask;
2351                                  chmod $fileMode, $thisMem;                                  chmod $fileMode, $thisMem;
# Line 2143  Line 2368 
2368      }      }
2369  }  }
2370    
2371    =head3 CompareLists
2372    
2373    C<< my ($inserted, $deleted) = Tracer::CompareLists(\@newList, \@oldList, $keyIndex); >>
2374    
2375    Compare two lists of tuples, and return a hash analyzing the differences. The lists
2376    are presumed to be sorted alphabetically by the value in the $keyIndex column.
2377    The return value contains a list of items that are only in the new list
2378    (inserted) and only in the old list (deleted).
2379    
2380    =over 4
2381    
2382    =item newList
2383    
2384    Reference to a list of new tuples.
2385    
2386    =item oldList
2387    
2388    Reference to a list of old tuples.
2389    
2390    =item keyIndex (optional)
2391    
2392    Index into each tuple of its key field. The default is 0.
2393    
2394    =item RETURN
2395    
2396    Returns a 2-tuple consisting of a reference to the list of items that are only in the new
2397    list (inserted) followed by a reference to the list of items that are only in the old
2398    list (deleted).
2399    
2400    =back
2401    
2402    =cut
2403    
2404    sub CompareLists {
2405        # Get the parameters.
2406        my ($newList, $oldList, $keyIndex) = @_;
2407        if (! defined $keyIndex) {
2408            $keyIndex = 0;
2409        }
2410        # Declare the return variables.
2411        my ($inserted, $deleted) = ([], []);
2412        # Loop through the two lists simultaneously.
2413        my ($newI, $oldI) = (0, 0);
2414        my ($newN, $oldN) = (scalar @{$newList}, scalar @{$oldList});
2415        while ($newI < $newN || $oldI < $oldN) {
2416            # Get the current object in each list. Note that if one
2417            # of the lists is past the end, we'll get undef.
2418            my $newItem = $newList->[$newI];
2419            my $oldItem = $oldList->[$oldI];
2420            if (! defined($newItem) || defined($oldItem) && $newItem->[$keyIndex] gt $oldItem->[$keyIndex]) {
2421                # The old item is not in the new list, so mark it deleted.
2422                push @{$deleted}, $oldItem;
2423                $oldI++;
2424            } elsif (! defined($oldItem) || $oldItem->[$keyIndex] gt $newItem->[$keyIndex]) {
2425                # The new item is not in the old list, so mark it inserted.
2426                push @{$inserted}, $newItem;
2427                $newI++;
2428            } else {
2429                # The item is in both lists, so push forward.
2430                $oldI++;
2431                $newI++;
2432            }
2433        }
2434        # Return the result.
2435        return ($inserted, $deleted);
2436    }
2437    
2438    =head3 GetLine
2439    
2440    C<< my @data = Tracer::GetLine($handle); >>
2441    
2442    Read a line of data from a tab-delimited file.
2443    
2444    =over 4
2445    
2446    =item handle
2447    
2448    Open file handle from which to read.
2449    
2450    =item RETURN
2451    
2452    Returns a list of the fields in the record read. The fields are presumed to be
2453    tab-delimited. If we are at the end of the file, then an empty list will be
2454    returned. If an empty line is read, a single list item consisting of a null
2455    string will be returned.
2456    
2457    =back
2458    
2459    =cut
2460    
2461    sub GetLine {
2462        # Get the parameters.
2463        my ($handle) = @_;
2464        # Declare the return variable.
2465        my @retVal = ();
2466        # Read from the file.
2467        my $line = <$handle>;
2468        # Only proceed if we found something.
2469        if (defined $line) {
2470            # Remove the new-line.
2471            chomp $line;
2472            # If the line is empty, return a single empty string; otherwise, parse
2473            # it into fields.
2474            if ($line eq "") {
2475                push @retVal, "";
2476            } else {
2477                push @retVal, split /\t/,$line;
2478            }
2479        }
2480        # Return the result.
2481        return @retVal;
2482    }
2483    
2484    =head3 PutLine
2485    
2486    C<< Tracer::PutLine($handle, \@fields); >>
2487    
2488    Write a line of data to a tab-delimited file. The specified field values will be
2489    output in tab-separated form, with a trailing new-line.
2490    
2491    =over 4
2492    
2493    =item handle
2494    
2495    Output file handle.
2496    
2497    =item fields
2498    
2499    List of field values.
2500    
2501    =back
2502    
2503    =cut
2504    
2505    sub PutLine {
2506        # Get the parameters.
2507        my ($handle, $fields) = @_;
2508        # Write the data.
2509        print $handle join("\t", @{$fields}) . "\n";
2510    }
2511    
2512    =head3 GenerateURL
2513    
2514    C<< my $queryUrl = Tracer::GenerateURL($page, %parameters); >>
2515    
2516    Generate a GET-style URL for the specified page with the specified parameter
2517    names and values. The values will be URL-escaped automatically. So, for
2518    example
2519    
2520        Tracer::GenerateURL("form.cgi", type => 1, string => "\"high pass\" or highway")
2521    
2522    would return
2523    
2524        form.cgi?type=1&string=%22high%20pass%22%20or%20highway
2525    
2526    =over 4
2527    
2528    =item page
2529    
2530    Page URL.
2531    
2532    =item parameters
2533    
2534    Hash mapping parameter names to parameter values.
2535    
2536    =item RETURN
2537    
2538    Returns a GET-style URL that goes to the specified page and passes in the
2539    specified parameters and values.
2540    
2541    =back
2542    
2543    =cut
2544    
2545    sub GenerateURL {
2546        # Get the parameters.
2547        my ($page, %parameters) = @_;
2548        # Prime the return variable with the page URL.
2549        my $retVal = $page;
2550        # Loop through the parameters, creating parameter elements in a list.
2551        my @parmList = map { "$_=" . uri_escape($parameters{$_}) } keys %parameters;
2552        # If the list is nonempty, tack it on.
2553        if (@parmList) {
2554            $retVal .= "?" . join("&", @parmList);
2555        }
2556        # Return the result.
2557        return $retVal;
2558    }
2559    
2560  1;  1;

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