| … | |
… | |
| 18 | use utf8; |
18 | use utf8; |
| 19 | |
19 | |
| 20 | use File::Path (); |
20 | use File::Path (); |
| 21 | use Carp (); |
21 | use Carp (); |
| 22 | use Storable (); |
22 | use Storable (); |
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23 | use AnyEvent::Util (); |
| 23 | use Config; |
24 | use Config; |
| 24 | use BDB; |
25 | use BDB; |
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26 | use Fcntl (); |
| 25 | |
27 | |
| 26 | use DC; |
28 | use DC; |
| 27 | |
29 | |
| 28 | our $ODBDIR = "cfplus-" . BDB::VERSION_MAJOR . "." . BDB::VERSION_MINOR . "-$Config{archname}"; |
30 | our $ODBDIR = "cfplus-" . BDB::VERSION_MAJOR . "." . BDB::VERSION_MINOR . "-$Config{archname}"; |
| 29 | our $DBDIR = "client-" . BDB::VERSION_MAJOR . "." . BDB::VERSION_MINOR . "-$Config{archname}"; |
31 | our $DBDIR = "client-" . BDB::VERSION_MAJOR . "." . BDB::VERSION_MINOR . "-$Config{archname}"; |
| … | |
… | |
| 50 | our $DB_ENV; |
52 | our $DB_ENV; |
| 51 | our $DB_STATE; |
53 | our $DB_STATE; |
| 52 | our %DB_TABLE; |
54 | our %DB_TABLE; |
| 53 | our $TILE_SEQ; |
55 | our $TILE_SEQ; |
| 54 | |
56 | |
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57 | sub all_databases { |
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58 | opendir my $fh, $DB_HOME |
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59 | or return; |
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60 | |
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61 | grep !/^(?:\.|log\.|_)/, readdir $fh |
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62 | } |
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63 | |
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64 | sub try_verify_env($) { |
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65 | my ($env) = @_; |
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66 | |
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67 | # we lock the __db.register env file that has been created by now |
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68 | # and check for the number of registered processes - if there is |
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69 | # only one, we verify all databases, otherwise we skip this |
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70 | open my $fh, "+<$DB_HOME/__db.register" |
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71 | or die "__db.register: $!"; |
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72 | |
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73 | open my $lock, "+>$DB_HOME/__lock" |
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74 | or die "__lock: $!"; |
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75 | |
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76 | flock $lock, &Fcntl::LOCK_EX |
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77 | or die "flock: $!"; |
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78 | |
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79 | # __db.register contains one record per process, with X signifying |
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80 | # empty records (of course, this is completely private to bdb...) |
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81 | my $count = grep /^[^X]/, <$fh>; |
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82 | |
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83 | if ($count == 1) { |
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84 | # if any databases are corrupted, we simply delete all of them |
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85 | |
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86 | for (all_databases) { |
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87 | my $dbh = db_create $env |
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88 | or last; |
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89 | |
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90 | # a failed verify will panic the environment, which is fine with us |
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91 | db_verify $dbh, "$DB_HOME/$_"; |
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92 | |
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93 | return if $!; # nuke database and recreate if verification failure |
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94 | } |
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95 | |
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96 | } |
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97 | |
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98 | # close probably cleans those up, but we also want to run on windows, |
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99 | # so better be safe. |
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100 | flock $lock, &Fcntl::LOCK_UN |
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101 | or die "funlock: $!"; |
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102 | |
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103 | 1 |
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104 | } |
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105 | |
| 55 | sub try_open_db { |
106 | sub try_open_db { |
| 56 | File::Path::mkpath [$DB_HOME]; |
107 | File::Path::mkpath [$DB_HOME]; |
| 57 | |
108 | |
| 58 | my $env = db_env_create; |
109 | my $env = db_env_create; |
| 59 | |
110 | |
| … | |
… | |
| 73 | db_env_open $env, $DB_HOME, |
124 | db_env_open $env, $DB_HOME, |
| 74 | BDB::CREATE | BDB::REGISTER | BDB::RECOVER | BDB::INIT_MPOOL | BDB::INIT_LOCK | BDB::INIT_TXN, |
125 | BDB::CREATE | BDB::REGISTER | BDB::RECOVER | BDB::INIT_MPOOL | BDB::INIT_LOCK | BDB::INIT_TXN, |
| 75 | 0666; |
126 | 0666; |
| 76 | |
127 | |
| 77 | $! and die "cannot open database environment $DB_HOME: " . BDB::strerror; |
128 | $! and die "cannot open database environment $DB_HOME: " . BDB::strerror; |
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129 | |
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130 | # now we go through the registered processes, if there is only one, we verify all files |
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131 | # to make sure windows didn'T corrupt them (as windows does....) |
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132 | try_verify_env $env |
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133 | or die "database environment failed verification"; |
| 78 | |
134 | |
| 79 | $DB_ENV = $env; |
135 | $DB_ENV = $env; |
| 80 | |
136 | |
| 81 | 1 |
137 | 1 |
| 82 | } |
138 | } |
| … | |
… | |
| 355 | |
411 | |
| 356 | print { $LOG_FH{$path} } "$ts $line\n" |
412 | print { $LOG_FH{$path} } "$ts $line\n" |
| 357 | } |
413 | } |
| 358 | |
414 | |
| 359 | sub run { |
415 | sub run { |
| 360 | ($FH, my $fh) = DC::socketpipe; |
416 | ($FH, my $fh) = AnyEvent::Util::portable_socketpair |
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417 | or die "unable to create database socketpair: $!"; |
| 361 | |
418 | |
| 362 | my $oldfh = select $FH; $| = 1; select $oldfh; |
419 | my $oldfh = select $FH; $| = 1; select $oldfh; |
| 363 | my $oldfh = select $fh; $| = 1; select $oldfh; |
420 | my $oldfh = select $fh; $| = 1; select $oldfh; |
| 364 | |
421 | |
| 365 | my $pid = fork; |
422 | my $pid = fork; |
