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|
package Net::Flowdock::Stream;
use Moose;
use JSON;
use MIME::Base64;
use Net::HTTPS::NB;
has token => (
is => 'ro',
isa => 'Str',
);
has email => (
is => 'ro',
isa => 'Str',
);
has password => (
is => 'ro',
isa => 'Str',
);
has flows => (
traits => ['Array'],
isa => 'ArrayRef[Str]',
required => 1,
handles => {
flows => 'elements',
},
);
has socket_timeout => (
is => 'ro',
isa => 'Num',
default => 0.01,
);
has debug => (
is => 'rw',
isa => 'Bool',
default => 0,
);
has _socket => (
is => 'rw',
isa => 'Net::HTTPS::NB',
);
has _readbuf => (
traits => ['String'],
is => 'rw',
isa => 'Str',
default => '',
handles => {
_append_readbuf => 'append',
},
);
has _events => (
is => 'rw',
isa => 'ArrayRef[HashRef]', # XXX make these into objects
default => sub { [] },
);
sub BUILD {
my $self = shift;
my $auth;
if (my $token = $self->token) {
$auth = $token;
}
elsif (my ($email, $pass) = ($self->email, $self->password)) {
$auth = "$email:$pass";
}
else {
die "You must supply either your token or your email and password";
}
my $s = Net::HTTPS::NB->new(Host => 'stream.flowdock.com');
my $flows = join(',', $self->flows);
$s->write_request(
GET => "/flows?filter=$flows" =>
Authorization => 'Basic ' . MIME::Base64::encode($auth),
Accept => 'application/json',
);
my ($code, $message, %headers) = $s->read_response_headers;
die "Unable to connect: $message"
unless $code == 200;
$self->_socket($s);
}
sub get_next_event {
my $self = shift;
return unless $self->_socket_is_readable;
$self->_read_next_chunk;
return $self->_process_readbuf;
}
sub _socket_is_readable {
my $self = shift;
my ($rin, $rout) = ('');
vec($rin, fileno($self->_socket), 1) = 1;
my $res = select($rout = $rin, undef, undef, $self->socket_timeout);
if ($res == -1) {
return if $!{EAGAIN} || $!{EINTR};
die "Error reading from socket: $!";
}
return if $res == 0;
return 1 if $rout;
return;
}
sub _read_next_chunk {
my $self = shift;
my $nbytes = $self->_socket->read_entity_body(my $buf, 4096);
if (!defined $nbytes) {
return if $!{EINTR} || $!{EAGAIN};
die "Error reading from server";
}
die "Disconnected" if $nbytes == 0;
return if $nbytes == -1;
$self->_append_readbuf($buf);
}
sub _process_readbuf {
my $self = shift;
if ((my $buf = $self->_readbuf) =~ s/^([^\x0d]*)\x0d//) {
my $chunk = $1;
$self->_readbuf($buf);
warn "New event:\n$chunk" if $self->debug;
return decode_json($chunk);
}
return;
}
__PACKAGE__->meta->make_immutable;
no Moose;
1;
|
