#!/usr/bin/perl

# Copyright (c) 2009 Symbian Foundation Ltd

# This component and the accompanying materials are made available

# under the terms of the License "Eclipse Public License v1.0"

# which accompanies this distribution, and is available

# at the URL "http://www.eclipse.org/legal/epl-v10.html".

#

# Initial Contributors:

# Symbian Foundation Ltd - initial contribution.

# 

# Contributors:

#

# Description:

# Parse "ant" logs from SBS build to determine missing source files

my $pdk_src = "../.."; # path to sf tree - correct from "build/output"

my %missing_files;

my %damaged_components;

my %excluded_things;

my %damaged_bldinfs;

sub canonical_path($)

  {

  my ($path) = @_;

  my @bits = split /\//, $path;

  my @newbits = ();

  foreach my $bit (@bits)

    {

    next if ($bit eq ".");

    if ($bit eq "..")

      {

      pop @newbits;

      next;

      }

      push @newbits, $bit;

    }

  return join("/", @newbits);

  }

sub excluded_thing($$$)

  {

  my ($path, $missing, $reason) = @_;

  if (!defined $excluded_things{$path})

    {

    @{$excluded_things{$path}} = ();

    }

  push @{$excluded_things{$path}}, $missing;

  # print "Missing $missing from excluded $path ($reason)\n";

  }

sub do_missing_file($$$)

  {

  my ($missing, $missing_from, $reason) = @_;

  $missing = canonical_path($missing);

  $missing_from = canonical_path($missing_from);

  my $component = "??";

  if ($missing_from ne "??")

    {

    my @dirs = split /\//, $missing_from;

    shift @dirs if ($dirs[0] eq "sf");

    $path = $pdk_src . "/sf/$dirs[0]/$dirs[1]";

    if (!-e $path)

      {

      # no sign of the package

      excluded_thing($path, $missing, $reason);

      return;

      }

    $path .= "/$dirs[2]";

    if (!-e $path)

      {

      # no sign of the collection

      excluded_thing($path, $missing, $reason);

      return;

      }

    $path .= "/$dirs[3]";

    if (!-e $path)

      {

      # no sign of the component

      excluded_thing($path, $missing, $reason);

      return;

      }

    $component = join("/", $dirs[0], $dirs[1], $dirs[2], $dirs[3]);

    }

  $missing_files{$missing} = $reason if ($missing ne "??");

  if (!defined $damaged_components{$component})

    {

    @{$damaged_components{$component}} = ();

    }

  push @{$damaged_components{$component}}, $missing;

  }

sub scan_logfile($)

{

  my ($logfile) = @_;

  open FILE, "<$logfile" or print "Error: cannot open $logfile: $!\n" and return;

  my $line;

  while ($line = <FILE>)

    {

    # Source of export does not exist:  s:/sf/mw/messagingmw/messagingfw/msgtests/group/msgerr.ra

    # Source zip for export does not exist: s:/sf/os/deviceplatformrelease/S60LocFiles/data/96.zip

    if ($line =~ /^Source (of|zip for) export does not exist.\s+.*\/(sf\/.*)$/)

      {

      do_missing_file($2, "??", "source of export");

      next;

      }

    # No bld.inf found at sf/os/buildtools/toolsandutils/burtestserver/Group in s:/output/build/canonical_system_definition_GT_tb91sf.xml

    # No bld.inf found at s:/sf/adaptation/stubs/licensee_tsy_stub/group in s:/output/build/canonical_system_definition_S60_5_1_clean.xml

    if ($line =~ /No bld.inf found at (.*\/)?(sf\/.*) in /i)

      {

      my $bldinf = "$2/bld.inf";

      do_missing_file($bldinf, $bldinf, "no bld.inf");

      $damaged_bldinfs{"$bldinf\t(missing)"} = 1;

      next;

      }

    # D:/Symbian/Tools/PDT_1.0/raptor/win32/mingw/bin/cpp.exe: s:/sf/os/networkingsrv/networksecurity/ipsec/group/bld.inf:19:42: ../eventmediator/group/bld.inf: No such file or directory

    if ($line =~ /cpp.exe: .*\/(sf\/[^:]*):.*\s+([^:]+): No such file/)

      {

      my $parent = $1;

      my $relative = $2;

      if ($parent =~ /\.inf$/i)

        {

        my $parent = canonical_path($parent);

        $damaged_bldinfs{"$parent\t$relative"} = 1;

        }

      do_missing_file("$parent/../$relative", $parent, "#include");

      next;  

      }

    # make.exe: *** No rule to make target `m:/sf/os/security/crypto/weakcrypto/source/symmetric/des.cpp', needed by `m:/epoc32/build/weakcrypto/c_126994d895f12d1a/weak_cryptography_dll/winscw/udeb/des.o'.

    if ($line =~ /No rule to make target .*(sf\/.*)', needed by .*(epoc32\/.*)'/)

      {

      my $missing = $1;

      my $impact = "building $2";

      # epoc32/build/weakcrypto/c_126994d895f12d1a/weak_cryptography_dll

      if ($impact =~ /epoc32\/build\/[^\/]+\/[^\/]+\/([^\/]+)\//)

        {

        $impact = "building $1";

        }

      do_missing_file($missing, "??", $impact);

      next;

      }

    }

    close FILE;

  }

  my @logfiles = map(glob,@ARGV);

  foreach my $logfile (@logfiles)

    {

    print "Scanning $logfile...\n";

    scan_logfile($logfile);

    }

  printf "%d Excluded things\n", scalar keys %excluded_things;

  foreach my $component (sort keys %excluded_things)

    {

    my @list = @{$excluded_things{$component}};

    my %hash;

    foreach my $missing (@list)

      {

      $hash{$missing} = 1;

      }

    printf "%s\t%d\n", $component, scalar keys %hash;

    print "\t", join("\n\t", sort keys %hash), "\n";

    }

  print "\nDamaged components\n";

  foreach my $component (sort keys %damaged_components)

    {

    my @list = @{$damaged_components{$component}};

    my %hash;

    foreach my $missing (@list)

      {

      $hash{$missing} = 1;

      }

    printf "%s\t%d\n", $component, scalar keys %hash;

    print "\t", join("\n\t", sort keys %hash), "\n";

    }

  print "\nMissing files\n";

  foreach my $missing (sort keys %missing_files)

    {

    my $reason = $missing_files{$missing};

    my @dirs = split /\//, $missing;

    my $path = shift @dirs;

    my $dir;

    while ($dir = shift @dirs)

      {

      if (-e "$pdk_src/$path/$dir")

        {

        # still exists at this point

        $path .= "/$dir";

        next;

        }

      print "\t$reason\t$path\t\t", join("/", $dir,@dirs), "\n";

      last;

      }    

    }

  print "\nDamaged bld.infs\n";

  print join("\n", sort keys %damaged_bldinfs, "");

  print "\n\n";

  printf "%d files missing from ", scalar keys %missing_files;

  printf "%d damaged components\n", scalar keys %damaged_components;