--- /dev/null
+#!/usr/bin/perl
+
+use strict;
+use Test::More tests => 48;
+use FindBin qw($Bin);
+use lib "$Bin/lib";
+use MemcachedTest;
+
+use constant IS_ASCII => 0;
+use constant IS_BINARY => 1;
+use constant ENTRY_EXISTS => 0;
+use constant ENTRY_MISSING => 1;
+use constant BIN_REQ_MAGIC => 0x80;
+use constant BIN_RES_MAGIC => 0x81;
+use constant CMD_GET => 0x00;
+use constant CMD_SET => 0x01;
+use constant CMD_ADD => 0x02;
+use constant CMD_REPLACE => 0x03;
+use constant CMD_DELETE => 0x04;
+use constant CMD_INCR => 0x05;
+use constant CMD_DECR => 0x06;
+use constant CMD_APPEND => 0x0E;
+use constant CMD_PREPEND => 0x0F;
+use constant REQ_PKT_FMT => "CCnCCnNNNN";
+use constant RES_PKT_FMT => "CCnCCnNNNN";
+use constant INCRDECR_PKT_FMT => "NNNNN";
+use constant MIN_RECV_BYTES => length(pack(RES_PKT_FMT));
+
+
+my $server = new_memcached();
+my $sock = $server->sock;
+
+# set foo (and should get it)
+print $sock "set foo 0 0 6\r\nfooval\r\n";
+is(scalar <$sock>, "STORED\r\n", "stored foo");
+mem_get_is($sock, "foo", "fooval");
+
+my $usock = $server->new_udp_sock
+ or die "Can't bind : $@\n";
+
+# testing sequence of request ids
+for my $offt (1, 1, 2) {
+ my $req = 160 + $offt;
+ my $res = send_udp_request($usock, $req, "get foo\r\n");
+ ok($res, "got result");
+ is(keys %$res, 1, "one key (one packet)");
+ ok($res->{0}, "only got seq number 0");
+ is(substr($res->{0}, 8), "VALUE foo 0 6\r\nfooval\r\nEND\r\n");
+ is(hexify(substr($res->{0}, 0, 2)), hexify(pack("n", $req)), "udp request number in response ($req) is correct");
+}
+
+# op tests
+for my $prot (::IS_ASCII,::IS_BINARY) {
+ udp_set_test($prot,45,"aval$prot","1",0,0);
+ udp_set_test($prot,45,"bval$prot","abcd" x 1024,0,0);
+ udp_get_test($prot,45,"aval$prot","1",::ENTRY_EXISTS);
+ udp_get_test($prot,45,"404$prot","1",::ENTRY_MISSING);
+ udp_incr_decr_test($prot,45,"aval$prot","1","incr",1);
+ udp_incr_decr_test($prot,45,"aval$prot","1","decr",2);
+ udp_delete_test($prot,45,"aval$prot");
+}
+
+sub udp_set_test {
+ my ($protocol, $req_id, $key, $value, $flags, $exp) = @_;
+ my $req = "";
+ my $val_len = length($value);
+
+ if ($protocol == ::IS_ASCII) {
+ $req = "set $key $flags $exp $val_len\r\n$value\r\n";
+ } elsif ($protocol == ::IS_BINARY) {
+ my $key_len = length($key);
+ my $extra = pack "NN",$flags,$exp;
+ my $extra_len = length($extra);
+ my $total_len = $val_len + $extra_len + $key_len;
+ $req = pack(::REQ_PKT_FMT, ::BIN_REQ_MAGIC, ::CMD_SET, $key_len, $extra_len, 0, 0, $total_len, 0, 0, 0);
+ $req .= $extra . $key . $value;
+ }
+
+ my $datagrams = send_udp_request($usock, $req_id, $req);
+ my $resp = construct_udp_message($datagrams);
+
+ if ($protocol == ::IS_ASCII) {
+ is($resp,"STORED\r\n","Store key $key using ASCII protocol");
+ } elsif ($protocol == ::IS_BINARY) {
+ my ($resp_magic, $resp_op_code, $resp_key_len, $resp_extra_len, $resp_data_type, $resp_status, $resp_total_len,
+ $resp_opaque, $resp_ident_hi, $resp_ident_lo) = unpack(::RES_PKT_FMT, $resp);
+ is($resp_status,"0","Store key $key using binary protocol");
+ }
+}
+
+sub udp_get_test {
+ my ($protocol, $req_id, $key, $value, $exists) = @_;
+ my $key_len = length($key);
+ my $value_len = length($value);
+ my $req = "";
+
+ if ($protocol == ::IS_ASCII) {
+ $req = "get $key\r\n";
+ } elsif ($protocol == ::IS_BINARY) {
+ $req = pack(::REQ_PKT_FMT, ::BIN_REQ_MAGIC, ::CMD_GET, $key_len, 0, 0, 0, $key_len, 0, 0, 0);
+ $req .= $key;
+ }
+
+ my $datagrams = send_udp_request($usock, $req_id, $req);
+ my $resp = construct_udp_message($datagrams);
+
+ if ($protocol == ::IS_ASCII) {
+ if ($exists == ::ENTRY_EXISTS) {
+ is($resp,"VALUE $key 0 $value_len\r\n$value\r\nEND\r\n","Retrieve entry with key $key using ASCII protocol");
+ } else {
+ is($resp,"END\r\n","Retrieve non existing entry with key $key using ASCII protocol");
+ }
+ } elsif ($protocol == ::IS_BINARY) {
+ my ($resp_magic, $resp_op_code, $resp_key_len, $resp_extra_len, $resp_data_type, $resp_status, $resp_total_len,
+ $resp_opaque, $resp_ident_hi, $resp_ident_lo) = unpack(::RES_PKT_FMT, $resp);
+ if ($exists == ::ENTRY_EXISTS) {
+ is($resp_status,"0","Retrieve entry with key $key using binary protocol");
+ is(substr($resp,::MIN_RECV_BYTES + $resp_extra_len + $resp_key_len, $value_len),$value,"Value for key $key retrieved with binary protocol matches");
+ } else {
+ is($resp_status,"1","Retrieve non existing entry with key $key using binary protocol");
+ }
+ }
+}
+
+sub udp_delete_test {
+ my ($protocol, $req_id, $key) = @_;
+ my $req = "";
+ my $key_len = length($key);
+
+ if ($protocol == ::IS_ASCII) {
+ $req = "delete $key\r\n";
+ } elsif ($protocol == ::IS_BINARY) {
+ $req = pack(::REQ_PKT_FMT, ::BIN_REQ_MAGIC, ::CMD_DELETE, $key_len, 0, 0, 0, $key_len, 0, 0, 0);
+ $req .= $key;
+ }
+
+ my $datagrams = send_udp_request($usock, $req_id, $req);
+ my $resp = construct_udp_message($datagrams);
+
+ if ($protocol == ::IS_ASCII) {
+ is($resp,"DELETED\r\n","Delete key $key using ASCII protocol");
+ } elsif ($protocol == ::IS_BINARY) {
+ my ($resp_magic, $resp_op_code, $resp_key_len, $resp_extra_len, $resp_data_type, $resp_status, $resp_total_len,
+ $resp_opaque, $resp_ident_hi, $resp_ident_lo) = unpack(::RES_PKT_FMT, $resp);
+ is($resp_status,"0","Delete key $key using binary protocol");
+ }
+}
+
+sub udp_incr_decr_test {
+ my ($protocol, $req_id, $key, $val, $optype, $init_val) = @_;
+ my $req = "";
+ my $key_len = length($key);
+ my $expected_value = 0;
+ my $acmd = "incr";
+ my $bcmd = ::CMD_INCR;
+ if ($optype eq "incr") {
+ $expected_value = $init_val + $val;
+ } else {
+ $acmd = "decr";
+ $bcmd = ::CMD_DECR;
+ $expected_value = $init_val - $val;
+ }
+
+ if ($protocol == ::IS_ASCII) {
+ $req = "$acmd $key $val\r\n";
+ } elsif ($protocol == ::IS_BINARY) {
+ my $extra = pack(::INCRDECR_PKT_FMT, ($val / 2 ** 32),($val % 2 ** 32), 0, 0, 0);
+ my $extra_len = length($extra);
+ $req = pack(::REQ_PKT_FMT, ::BIN_REQ_MAGIC, $bcmd, $key_len, $extra_len, 0, 0, $key_len + $extra_len, 0, 0, 0);
+ $req .= $extra . $key;
+ }
+
+ my $datagrams = send_udp_request($usock, $req_id, $req);
+ my $resp = construct_udp_message($datagrams);
+
+ if ($protocol == ::IS_ASCII) {
+ is($resp,"$expected_value\r\n","perform $acmd math operation on key $key with ASCII protocol");
+ } elsif ($protocol == ::IS_BINARY) {
+ my ($resp_magic, $resp_op_code, $resp_key_len, $resp_extra_len, $resp_data_type, $resp_status, $resp_total_len,
+ $resp_opaque, $resp_ident_hi, $resp_ident_lo) = unpack(::RES_PKT_FMT, $resp);
+ is($resp_status,"0","perform $acmd math operation on key $key with binary protocol");
+ my ($resp_hi,$resp_lo) = unpack("NN",substr($resp,::MIN_RECV_BYTES + $resp_extra_len + $resp_key_len,
+ $resp_total_len - $resp_extra_len - $resp_key_len));
+ is(($resp_hi * 2 ** 32) + $resp_lo,$expected_value,"validate result of binary protocol math operation $acmd . Expected value $expected_value")
+ }
+}
+
+sub construct_udp_message {
+ my $datagrams = shift;
+ my $num_datagram = keys (%$datagrams);
+ my $msg = "";
+ my $cur_dg ="";
+ my $cur_udp_header ="";
+ for (my $cur_dg_index = 0; $cur_dg_index < $num_datagram; $cur_dg_index++) {
+ $cur_dg = $datagrams->{$cur_dg_index};
+ isnt($cur_dg,"","missing datagram for segment $cur_dg_index");
+ $cur_udp_header=substr($cur_dg, 0, 8);
+ $msg .= substr($cur_dg,8);
+ }
+ return $msg;
+}
+
+sub hexify {
+ my $val = shift;
+ $val =~ s/(.)/sprintf("%02x", ord($1))/egs;
+ return $val;
+}
+
+# returns undef on select timeout, or hashref of "seqnum" -> payload (including headers)
+# verifies that resp_id is equal to id sent in request
+# ensures consistency in num packets that make up response
+sub send_udp_request {
+ my ($sock, $reqid, $req) = @_;
+
+ my $pkt = pack("nnnn", $reqid, 0, 1, 0); # request id (opaque), seq num, #packets, reserved (must be 0)
+ $pkt .= $req;
+ my $fail = sub {
+ my $msg = shift;
+ warn " FAILING send_udp because: $msg\n";
+ return undef;
+ };
+ return $fail->("send") unless send($sock, $pkt, 0);
+
+ my $ret = {};
+
+ my $got = 0; # packets got
+ my $numpkts = undef;
+
+ while (!defined($numpkts) || $got < $numpkts) {
+ my $rin = '';
+ vec($rin, fileno($sock), 1) = 1;
+ my $rout;
+ return $fail->("timeout after $got packets") unless
+ select($rout = $rin, undef, undef, 1.5);
+
+ my $res;
+ my $sender = $sock->recv($res, 1500, 0);
+ my ($resid, $seq, $this_numpkts, $resv) = unpack("nnnn", substr($res, 0, 8));
+ die "Response ID of $resid doesn't match request if of $reqid" unless $resid == $reqid;
+ die "Reserved area not zero" unless $resv == 0;
+ die "num packets changed midstream!" if defined $numpkts && $this_numpkts != $numpkts;
+ $numpkts = $this_numpkts;
+ $ret->{$seq} = $res;
+ $got++;
+ }
+ return $ret;
+}
+
+
+__END__
+ $sender = recv($usock, $ans, 1050, 0);
+
+__END__
+ $usock->send
+
+
+ ($hispaddr = recv(SOCKET, $rtime, 4, 0)) || die "recv: $!";
+($port, $hisiaddr) = sockaddr_in($hispaddr);
+$host = gethostbyaddr($hisiaddr, AF_INET);
+$histime = unpack("N", $rtime) - $SECS_of_70_YEARS ;
projects / awesomized / libmemcached / blobdiff