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Buncha cleanup

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Brion Vibber 2010-10-05 13:25:28 -07:00
parent 76353ede54
commit eb04df583a
3 changed files with 148 additions and 29 deletions
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27
plugins/TwitterBridge/jsonstreamreader.php
View File

@ -202,13 +202,7 @@ abstract class JsonStreamReader
$lines = explode(self::CRLF, $buffer);
foreach ($lines as $line) {
if ($this->state == 'headers') {
if ($line == '') {
$this->state = 'active';
common_log(LOG_DEBUG, "$this->id connection is active!");
} else {
common_log(LOG_DEBUG, "$this->id read HTTP header: $line");
$this->responseHeaders[] = $line;
}
$this->handleLineHeaders($line);
} else if ($this->state == 'active') {
$this->handleLineActive($line);
}
@ -219,15 +213,26 @@ abstract class JsonStreamReader
{
// One JSON object on each line...
// Will we always deliver on packet boundaries?
$lines = explode("\n", $buffer);
$lines = explode(self::CRLF, $buffer);
foreach ($lines as $line) {
$this->handleLineActive($line);
}
}
function handleLineActive($line)
function handleLineHeaders($line)
{
if ($line == '') {
$this->state = 'active';
common_log(LOG_DEBUG, "$this->id connection is active!");
} else {
common_log(LOG_DEBUG, "$this->id read HTTP header: $line");
$this->responseHeaders[] = $line;
}
}
function handleLineActive($line)
{
if ($line == "") {
// Server sends empty lines as keepalive.
return;
}
@ -235,9 +240,9 @@ abstract class JsonStreamReader
if ($data) {
$this->handleJson($data);
} else {
common_log(LOG_ERR, "$this->id received bogus JSON data: " . $line);
common_log(LOG_ERR, "$this->id received bogus JSON data: " . var_export($line, true));
}
}
abstract function handleJson(array $data);
abstract protected function handleJson(array $data);
}

11
plugins/TwitterBridge/scripts/streamtest.php
View File

@ -92,11 +92,22 @@ $stream->hookEvent('favorite', function($data) {
$data['target']['screen_name'],
$data['target_object']['text']);
});
$stream->hookEvent('unfavorite', function($data) {
printf("%s unfavorited %s's notice: %s\n",
$data['source']['screen_name'],
$data['target']['screen_name'],
$data['target_object']['text']);
});
$stream->hookEvent('follow', function($data) {
printf("%s friended %s\n",
$data['source']['screen_name'],
$data['target']['screen_name']);
});
$stream->hookEvent('unfollow', function($data) {
printf("%s unfriended %s\n",
$data['source']['screen_name'],
$data['target']['screen_name']);
});
$stream->hookEvent('delete', function($data) {
printf("Deleted status notification: %s\n",
$data['status']['id']);

139
plugins/TwitterBridge/twitterstreamreader.php
View File

@ -25,7 +25,14 @@
* @link http://status.net/
*/
// A single stream connection
/**
* Base class for reading Twitter's User Streams and Site Streams
* real-time streaming APIs.
*
* Caller can hook event callbacks for various types of messages;
* the data from the stream and some context info will be passed
* on to the callbacks.
*/
abstract class TwitterStreamReader extends JsonStreamReader
{
protected $callbacks = array();
@ -36,9 +43,9 @@ abstract class TwitterStreamReader extends JsonStreamReader
$this->oauth = $auth;
}
public function connect($method)
public function connect($method, $params=array())
{
$url = $this->oAuthUrl($this->baseUrl . '/' . $method);
$url = $this->oAuthUrl($this->baseUrl . '/' . $method, $params);
return parent::connect($url);
}
@ -49,7 +56,7 @@ abstract class TwitterStreamReader extends JsonStreamReader
* @param array $params
* @return string
*/
function oAuthUrl($url, $params=array())
protected function oAuthUrl($url, $params=array())
{
// In an ideal world this would be better encapsulated. :)
$request = OAuthRequest::from_consumer_and_token($this->oauth->consumer,
@ -59,9 +66,64 @@ abstract class TwitterStreamReader extends JsonStreamReader
return $request->to_url();
}
/**
* Add an event callback. Available event names include
* 'raw' (all data), 'friends', 'delete', 'scrubgeo', etc
* Add an event callback to receive notifications when things come in
* over the wire.
*
* Callbacks should be in the form: function(array $data, array $context)
* where $context may list additional data on some streams, such as the
* user to whom the message should be routed.
*
* Available events:
*
* Messaging:
*
* 'status': $data contains a status update in standard Twitter JSON format.
* $data['user']: sending user in standard Twitter JSON format.
* $data['text']... etc
*
* 'direct_message': $data contains a direct message in standard Twitter JSON format.
* $data['sender']: sending user in standard Twitter JSON format.
* $data['recipient']: receiving user in standard Twitter JSON format.
* $data['text']... etc
*
*
* Out of band events:
*
* 'follow': User has either started following someone, or is being followed.
* $data['source']: following user in standard Twitter JSON format.
* $data['target']: followed user in standard Twitter JSON format.
*
* 'favorite': Someone has favorited a status update.
* $data['source']: user doing the favoriting, in standard Twitter JSON format.
* $data['target']: user whose status was favorited, in standard Twitter JSON format.
* $data['target_object']: the favorited status update in standard Twitter JSON format.
*
* 'unfavorite': Someone has unfavorited a status update.
* $data['source']: user doing the unfavoriting, in standard Twitter JSON format.
* $data['target']: user whose status was unfavorited, in standard Twitter JSON format.
* $data['target_object']: the unfavorited status update in standard Twitter JSON format.
*
*
* Meta information:
*
* 'friends': $data is a list of user IDs of the current user's friends.
*
* 'delete': Advisory that a Twitter status has been deleted; nice clients
* should follow suit.
* $data['id']: ID of status being deleted
* $data['user_id']: ID of its owning user
*
* 'scrub_geo': Advisory that a user is clearing geo data from their status
* stream; nice clients should follow suit.
* $data['user_id']: ID of user
* $data['up_to_status_id']: any notice older than this should be scrubbed.
*
* 'limit': Advisory that tracking has hit a resource limit.
* $data['track']
*
* 'raw': receives the full JSON data for all message types.
*
* @param string $event
* @param callable $callback
@ -77,7 +139,7 @@ abstract class TwitterStreamReader extends JsonStreamReader
* @param string $event
* @param mixed $arg1 ... one or more params to pass on
*/
public function fireEvent($event, $arg1)
protected function fireEvent($event, $arg1)
{
if (array_key_exists($event, $this->callbacks)) {
$args = array_slice(func_get_args(), 1);
@ -87,42 +149,57 @@ abstract class TwitterStreamReader extends JsonStreamReader
}
}
function handleJson(array $data)
protected function handleJson(array $data)
{
$this->routeMessage($data);
}
abstract function routeMessage($data);
abstract protected function routeMessage($data);
/**
* Send the decoded JSON object out to any event listeners.
*
* @param array $data
* @param int $forUserId
* @param array $context optional additional context data to pass on
*/
function handleMessage(array $data, $forUserId=null)
protected function handleMessage(array $data, array $context=array())
{
$this->fireEvent('raw', $data, $forUserId);
$this->fireEvent('raw', $data, $context);
if (isset($data['text'])) {
$this->fireEvent('status', $data);
$this->fireEvent('status', $data, $context);
return;
}
if (isset($data['event'])) {
$this->fireEvent($data['event'], $data);
$this->fireEvent($data['event'], $data, $context);
return;
}
$knownMeta = array('friends', 'delete', 'scrubgeo', 'limit', 'direct_message');
foreach ($knownMeta as $key) {
if (isset($data[$key])) {
$this->fireEvent($key, $data[$key], $forUserId);
$this->fireEvent($key, $data[$key], $context);
return;
}
}
}
}
/**
* Multiuser stream listener for Twitter Site Streams API
* http://dev.twitter.com/pages/site_streams
*
* The site streams API allows listening to updates for multiple users.
* Pass in the user IDs to listen to in via followUser() -- note they
* must each have a valid OAuth token for the application ID we're
* connecting as.
*
* You'll need to be connecting with the auth keys for the user who
* owns the application registration.
*
* The user each message is destined for will be passed to event handlers
* in $context['for_user_id'].
*/
class TwitterSiteStream extends TwitterStreamReader
{
protected $userIds;
@ -134,9 +211,21 @@ class TwitterSiteStream extends TwitterStreamReader
public function connect($method='2b/site.json')
{
return parent::connect($method);
$params = array();
if ($this->userIds) {
$params['follow'] = implode(',', $this->userIds);
}
return parent::connect($method, $params);
}
/**
* Set the users whose home streams should be pulled.
* They all must have valid oauth tokens for this application.
*
* Must be called before connect().
*
* @param array $userIds
*/
function followUsers($userIds)
{
$this->userIds = $userIds;
@ -150,10 +239,21 @@ class TwitterSiteStream extends TwitterStreamReader
*/
function routeMessage($data)
{
parent::handleMessage($data['message'], $data['for_user']);
$context = array(
'source' => 'sitestream',
'for_user' => $data['for_user']
);
parent::handleMessage($data['message'], $context);
}
}
/**
* Stream listener for Twitter User Streams API
* http://dev.twitter.com/pages/user_streams
*
* This will pull the home stream and additional events just for the user
* we've authenticated as.
*/
class TwitterUserStream extends TwitterStreamReader
{
public function __construct(TwitterOAuthClient $auth, $baseUrl='https://userstream.twitter.com')
@ -173,6 +273,9 @@ class TwitterUserStream extends TwitterStreamReader
*/
function routeMessage($data)
{
parent::handleMessage($data, $this->userId);
$context = array(
'source' => 'userstream'
);
parent::handleMessage($data, $context);
}
}