And while at it let's simplify t0021/rot13-filter.pl by using Git/Packet.pm. This will make it possible to reuse packet related functions in other test scripts. Signed-off-by: Christian Couder <chriscool@xxxxxxxxxxxxx> --- perl/Git/Packet.pm | 118 ++++++++++++++++++++++++++++++++++++++++++++++++ t/t0021/rot13-filter.pl | 94 ++------------------------------------ 2 files changed, 121 insertions(+), 91 deletions(-) create mode 100644 perl/Git/Packet.pm diff --git a/perl/Git/Packet.pm b/perl/Git/Packet.pm new file mode 100644 index 0000000000..b1e67477a0 --- /dev/null +++ b/perl/Git/Packet.pm @@ -0,0 +1,118 @@ +package Git::Packet; +use 5.008; +use strict; +use warnings; +BEGIN { + require Exporter; + if ($] < 5.008003) { + *import = \&Exporter::import; + } else { + # Exporter 5.57 which supports this invocation was + # released with perl 5.8.3 + Exporter->import('import'); + } +} + +our @EXPORT = qw( + packet_bin_read + packet_txt_read + packet_bin_write + packet_txt_write + packet_flush + packet_initialize + packet_read_capabilities + packet_write_capabilities + packet_read_and_check_capabilities + ); +our @EXPORT_OK = @EXPORT; + +sub packet_bin_read { + my $buffer; + my $bytes_read = read STDIN, $buffer, 4; + if ( $bytes_read == 0 ) { + # EOF - Git stopped talking to us! + return ( -1, "" ); + } elsif ( $bytes_read != 4 ) { + die "invalid packet: '$buffer'"; + } + my $pkt_size = hex($buffer); + if ( $pkt_size == 0 ) { + return ( 1, "" ); + } elsif ( $pkt_size > 4 ) { + my $content_size = $pkt_size - 4; + $bytes_read = read STDIN, $buffer, $content_size; + if ( $bytes_read != $content_size ) { + die "invalid packet ($content_size bytes expected; $bytes_read bytes read)"; + } + return ( 0, $buffer ); + } else { + die "invalid packet size: $pkt_size"; + } +} + +sub packet_txt_read { + my ( $res, $buf ) = packet_bin_read(); + unless ( $res == -1 or $buf eq '' or $buf =~ s/\n$// ) { + die "A non-binary line MUST be terminated by an LF.\n" + . "Received: '$buf'"; + } + return ( $res, $buf ); +} + +sub packet_bin_write { + my $buf = shift; + print STDOUT sprintf( "%04x", length($buf) + 4 ); + print STDOUT $buf; + STDOUT->flush(); +} + +sub packet_txt_write { + packet_bin_write( $_[0] . "\n" ); +} + +sub packet_flush { + print STDOUT sprintf( "%04x", 0 ); + STDOUT->flush(); +} + +sub packet_initialize { + my ($name, $version) = @_; + + ( packet_txt_read() eq ( 0, $name . "-client" ) ) || die "bad initialize"; + ( packet_txt_read() eq ( 0, "version=" . $version ) ) || die "bad version"; + ( packet_bin_read() eq ( 1, "" ) ) || die "bad version end"; + + packet_txt_write( $name . "-server" ); + packet_txt_write( "version=" . $version ); + packet_flush(); +} + +sub packet_read_capabilities { + my @cap; + while (1) { + my ( $res, $buf ) = packet_bin_read(); + return ( $res, @cap ) if ( $res != 0 ); + unless ( $buf =~ s/\n$// ) { + die "A non-binary line MUST be terminated by an LF.\n" + . "Received: '$buf'"; + } + die "bad capability buf: '$buf'" unless ( $buf =~ s/capability=// ); + push @cap, $buf; + } +} + +sub packet_read_and_check_capabilities { + my @local_caps = @_; + my @remote_res_caps = packet_read_capabilities(); + my $res = shift @remote_res_caps; + my %remote_caps = map { $_ => 1 } @remote_res_caps; + foreach (@local_caps) { + die "'$_' capability not available" unless (exists($remote_caps{$_})); + } + return $res; +} + +sub packet_write_capabilities { + packet_txt_write( "capability=" . $_ ) foreach (@_); + packet_flush(); +} diff --git a/t/t0021/rot13-filter.pl b/t/t0021/rot13-filter.pl index ba18b207c6..2e8ad4d496 100644 --- a/t/t0021/rot13-filter.pl +++ b/t/t0021/rot13-filter.pl @@ -30,9 +30,12 @@ # to the "list_available_blobs" response. # +use 5.008; +use lib (split(/:/, $ENV{GITPERLLIB})); use strict; use warnings; use IO::File; +use Git::Packet; my $MAX_PACKET_CONTENT_SIZE = 65516; my $log_file = shift @ARGV; @@ -55,97 +58,6 @@ sub rot13 { return $str; } -sub packet_bin_read { - my $buffer; - my $bytes_read = read STDIN, $buffer, 4; - if ( $bytes_read == 0 ) { - # EOF - Git stopped talking to us! - return ( -1, "" ); - } elsif ( $bytes_read != 4 ) { - die "invalid packet: '$buffer'"; - } - my $pkt_size = hex($buffer); - if ( $pkt_size == 0 ) { - return ( 1, "" ); - } elsif ( $pkt_size > 4 ) { - my $content_size = $pkt_size - 4; - $bytes_read = read STDIN, $buffer, $content_size; - if ( $bytes_read != $content_size ) { - die "invalid packet ($content_size bytes expected; $bytes_read bytes read)"; - } - return ( 0, $buffer ); - } else { - die "invalid packet size: $pkt_size"; - } -} - -sub packet_txt_read { - my ( $res, $buf ) = packet_bin_read(); - unless ( $res == -1 or $buf eq '' or $buf =~ s/\n$// ) { - die "A non-binary line MUST be terminated by an LF.\n" - . "Received: '$buf'"; - } - return ( $res, $buf ); -} - -sub packet_bin_write { - my $buf = shift; - print STDOUT sprintf( "%04x", length($buf) + 4 ); - print STDOUT $buf; - STDOUT->flush(); -} - -sub packet_txt_write { - packet_bin_write( $_[0] . "\n" ); -} - -sub packet_flush { - print STDOUT sprintf( "%04x", 0 ); - STDOUT->flush(); -} - -sub packet_initialize { - my ($name, $version) = @_; - - ( packet_txt_read() eq ( 0, $name . "-client" ) ) || die "bad initialize"; - ( packet_txt_read() eq ( 0, "version=" . $version ) ) || die "bad version"; - ( packet_bin_read() eq ( 1, "" ) ) || die "bad version end"; - - packet_txt_write( $name . "-server" ); - packet_txt_write( "version=" . $version ); - packet_flush(); -} - -sub packet_read_capabilities { - my @cap; - while (1) { - my ( $res, $buf ) = packet_bin_read(); - return ( $res, @cap ) if ( $res != 0 ); - unless ( $buf =~ s/\n$// ) { - die "A non-binary line MUST be terminated by an LF.\n" - . "Received: '$buf'"; - } - die "bad capability buf: '$buf'" unless ( $buf =~ s/capability=// ); - push @cap, $buf; - } -} - -sub packet_read_and_check_capabilities { - my @local_caps = @_; - my @remote_res_caps = packet_read_capabilities(); - my $res = shift @remote_res_caps; - my %remote_caps = map { $_ => 1 } @remote_res_caps; - foreach (@local_caps) { - die "'$_' capability not available" unless (exists($remote_caps{$_})); - } - return $res; -} - -sub packet_write_capabilities { - packet_txt_write( "capability=" . $_ ) foreach (@_); - packet_flush(); -} - print $debug "START\n"; $debug->flush(); -- 2.15.0.rc1.106.g7e97f58a41