When to stop reading input...
Lets say you're talking to a server that sends nulls all the time, midway through communication. You want to put the data you're receiving into a packet. You have to determine the cutoff of a packet, and in this case it's easy, as it's just when the server stops talking to you (it expects you to send a packet next).
But when do you determine when the server stops talking to you? You can't say read while the byte input is not 0x00, since it sends 0x00's all the time. The ways that I can think of to do this seem overcomplicated. For instance, using a timer, stopping when you receive a certain byte or a certain number of bytes, etc. Sometimes you will not know how long a packet is, however, and how much time it takes to send (the cutoff from one packet to another could be greatly significant). Is there any way to for an InputStream object to tell when it's not receiving anything at all (when 0x00 is not an answer)? Are there other classes that have this functionality? (I'm using InputStream and some of its subclasses and I can't find what I'm looking for.)
If you're reading from an InputStream connected to a socket you can use Socket.setSoTimeout to cause an exception if nothing is received within a particular time.
These old protocols that filled the line with nulls, which they tended to call "idles" are not good candidates for direct ports to TCP/IP. The standard practice in theX.3 - X29, etc world was to have the following to determine forwarding and turnaround (in this discussion "character" means Octet, represented as a byte in Java, not a 16 bit Java unicode character) :
- a forwarding or idle time, after a certain period of either no receipt of data or just idles, the collected data was packetized and forwarded.
- a set of forwarding characters, if any of these are received, forward what you have..
- a maximum packet size, forward if full
- if half duplex a turnaround character, Ascii 7, bell, was a favorite. This character was treated as a forwarding character by pads.
All of this could be configured.
Similar Messages
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When using URLConnection read input stream error
hi,
In my applet I build a URLConnection, it connect a jsp file. In my jsp file I refer to a javaBean. I send two objects of request and response in jsp to javaBean. In javabean return output stream to URLConnect. At that time a error happened.WHY???(Applet-JSP-JAVABean)
Thanks.
My main code:
APPLET:(TestApplet)
URL url = new URL("http://210.0.8.120/jsp/test.jsp";
URLConnection con;
con = url .openConnection();
con = servlet.openConnection();
con.setDoInput( true );
con.setDoOutput( true );
con.setUseCaches( false );
con.setRequestProperty( "Content-Type","text/plain" );
con.setAllowUserInteraction(false);
ObjectOutputStream out;
out = new ObjectOutputStream(con.getOutputStream());
Serializable[] data ={"test"};
out.writeObject( data );
out.flush();
out.close();
//until here are all rigth
ObjectInputStream in = new ObjectInputStream( con.getInputStream() );//happened error
JSP:
TestBean testBean = new TestBean ();
testBean .execute(request, response);
JAVABEAN:
public void execute( HttpServletRequest request,
HttpServletResponse response )
ObjectInputStream in = new ObjectInputStream( request.getInputStream() );
String direct = (String) in.readObject();
System.out.prinltn("direct");
ObjectOutputStream out = new ObjectOutputStream( response.getOutputStream() );
SerializableSerializable[] data ={"answer"};
out.writeObject( data );
out.flush();
out.close();
Error detail:
java.io.StreamCorruptedException: invalid stream header
at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:729)
at java.io.ObjectInputStream.<init>(ObjectInputStream.java:251)
at TestApplet.postObjects(TestApplet.java:172)you have to pay attention to the sequence of opening the streams.
The following example is: client sends a string to server, and servlet sends a response string back.
client side:
URL url = new URL( "http://152.8.113.149:8080/conn/servlet/test" );
URLConnection conn = url.openConnection();
System.out.println( "conn: " + conn );
conn.setDoOutput( true );
conn.setDoInput( true );
conn.setUseCaches( false );
conn.setDefaultUseCaches (false);
// send out a string
OutputStream out = conn.getOutputStream();
ObjectOutputStream oOut = new ObjectOutputStream( out );
oOut.writeObject( strSrc );
// receive a string
InputStream in = conn.getInputStream();
ObjectInputStream oIn = new ObjectInputStream( in );
String strDes = (String)oIn.readObject();server side
// open output stream
OutputStream out = res.getOutputStream();
ObjectOutputStream oOut = new ObjectOutputStream( out );
// open input stream and read from client
InputStream in = req.getInputStream();
ObjectInputStream oIn = new ObjectInputStream( in );
String s = (String)oIn.readObject();
System.out.println( s );
// write to client
oOut.writeObject( s + " back" ); I have the complete example at http://152.8.113.149/samples/app_servlet.html
don't forget to give me the duke dollars. -
How to detect line break while reading input ?
Hi all,
I am reading the user input from standard input.
I want to detect the line break. So that I can stop reading input and proceed processing the string.
Actually I am getting the SQL query as input and after that I am executing the same by passing it to a function.
Pl. do reply me.
Scanner scanner = new Scanner(System.in);
while(scanner.hasNext())
temp=scanner.next();
sql=sql.concat(" "+temp);
if(scanner.next=="\n")
break;
System.out.println(sql);
sqlTool.executeSQL(sql);
The above is not working properly.But if new line comes, what will be it's value?Empty lines are discarded by the scanner.
Kaj -
How do I stop google crome from being added to my computer when downloading Adobe Reader?
How do I stop google crome from being added to my computer when downloading Adobe Reader?
By unchecking the box on the download page.
Or by downloading the offline installer from the FTP site or http://get.adobe.com/reader/enterprise/ -
I use Siri all the time. I have found it very helpful. When the new iOS 8 came out, Siri stopped reading new iMessages. I have done all of the usual reboots, etc without any luck. Since it happened the same time as the new iOS 8 ( even tho I did not update ) I wonder if there is some other issue. Have you heard of this issue and do you have any suggestions?
ThanksSSiri has also stopped reading my new text messages. She just says "you have no new messages." This also occurred at the same exact time I upgeaded to iOS 8. I have a 5s
-
MacMail has stopped noting when I have read an email. For example, I had 17 unread messages, so I read them. Despite me having read them AND deleted them, the inbox still has 17 new messages displayed. Can anyone help resolve the incorrect display?
Lord K. Thank you. Yes I am within the 90 time period, however I travel Intertionally and I can not receive not make a call to Apple. I was just at the Genius Bar in Chicago and they said, don't worry about it. It just floats out there, however, I can not recover my messages on a flash drive. I need to go back to my old computer which I don't have with me. My messages were in folders for a lawsuit. It is going to take an incredible amount of work for me to, you have no Idea. We are talking thousands of pages! I the defendent will have them during discovery so I am not so worried. However, I can not bring them to him on a Flashdrive when I meet with him without an extraordinary amount of presssure on my part. THis is not just some little email issue. This is suing EXPEDIA and Tripadviosr.com
-
why does fcpx suddenly stops reading audio files? ever since i upgraded to Yosemite. Than when I check it on my hard drive it doesn't work as well. Only this file. Am in a trouble of delivering now. Any help?
Could be systems logs or some other system file growing.
Use OmniDiskSweeper or DaisyDisk to map what's being used.
Regards,
Shawn -
Time stamp and make controls blink when waiting on user input
I would like it to get the current time reading whenever the sequence is in frame 5 and for the format to be something like 10/4/07 3:28:17 PM or something like that (military time or whatever) and then put into the first block of the build array outside the sequence loop. Another thing I would like to be able to do is possibly in the sequence - frame 0, when it stops, waiting for the "Polarizer value ok?" button to be clicked, to highlight or start blinking the Polarizer # numeric control indicator box to let the user to know that it is time to choose a new Polarizer # to input. Also, in the sequence - frame 4, when it stops and waits for the "Ready for P2 reading?" button to be pressed, I would like the user to know that by possibly having the "Ready for P2 reading?" button to start blinking. I hope I am making sense in these questions. If you have any other ideas that may make more sense or may make it easier for the user to understand, I would love to hear those as well.
Thanks,
Steve
Stephen Coward
Northrop Grumman
[email protected]
Attachments:
EPM2000 Query Reading Ch A trial.vi 52 KBWow, that was great advice Matthew. What if I wanted to display on the front panel in real time the values from Polarizer #, P1, P2 and the last calculated value (P2/P1 * 100) called T% in a table or something like that. What would I have to do? Or it could just be Polarizer # and T% at the least. I just want to let the user know the values in a list, spreadsheet or table as they go. I think the very last thing would be able to stop the program at any point in time instead of at the end like I have it. The problem with what I have is that the stop button will be pressed and then an additional loop will go on afterwards. I want the program to end as soon as the stop button is pressed no matter what sequence it is.
Steve
Stephen Coward
Northrop Grumman
[email protected]
Attachments:
EPM2000 Query Reading Ch A trial updated.vi 58 KB -
I'm getting a random beep sound when I hit the input button to record a turntable
I'm getting a random beep sound when I hit the input button to record a turntable & mixer plugged into the mbox thats bleeding into the recording. How can I stop this? Please help me. It's happening if I'm recording or not, as soon as I hit the (I) input it beeps randomly.
Thanks Jim,
Seems to be this song. Other projects don't have this issue.
I even took and opened the project on another computer, bounced it again and got the same "click" at the same 13 second area.
I've bounced each track solo, listened and NO click at the 13 sec. mark
No third party plug-ins.
The click doesn't land close to any beginning or end of a region.
Final mix down looks good, no peaking over 0db.
This is making me nuts! -
When I stop recording, tracks delete themselves
They'll be red and recording, but then when I hit stop, it disappears. I'm recording multiple tracks.
Are you recording the instruments to the right kind of tracks? This problem is very typical for trying to record an audio input signal to a software instrument track. Then the recorded region will simply vanish, when you stop recording.
What is your GarageBand version? -
I have been noticing that when using the computer the mouse keeps going in places where I really do not want and just now select the sentence without I have done anything. Sometimes goes to places like bookmark or open tabs in website when I am reading a page.
Also I have noticed opened windows that I have not opened.
I have verified the sharing folder and also the remote access but it not let me turn it off.
Also I have add a password to my computer and even using the same one it looks like is not working.
The I photo stopped working, Mac Mail does not let me add rules (this is from one day to the other)
The computer is mine, the internet I use is payed by me with a password. I did not give permission to anyone to use my computer or share my files.
In system preferences in the sharing folder is showing everyone and staff.
My computer is private I do not own a company and I do not have a network set up in my house.
I had my photos removed from my computer and even after trying to reinstall I photo and fix the Mac Mail is not working.
I am receiving emails saying that I have sent emails to people that I do not know and including in a time where I am working and not using the computer.
Any suggestions in how to fix this issue?
I really appreciate.With the multitude of issues you have I would take it to an Apple store or AASP and have them sort it out. Then I would sign up for Apple camp or one on one.
-
When I record an audio track using Logic Pro X, there is a visible waveform which appears as I record. When I stop recording, the waveform disappears and becomes a straight line. It also disappears from the track edit window. But the sound is still there. How can I stop the waveform from disappearing? And can I do something to view it after it has disappeared? Anyone know the anser?
In Logic:
Preferences/Audio Set Recording Delay to 0 <zero>
This should always be set to zero unless a specific set of circumstances exist and you're audio drivers do not report position correctly.
On occasion, usually when importing a Logic 9 project, Logic-X randomly changes this to a negative/positive number. It's actually a bug in Logic, as it should always display the waveform. -
When FMLE stopped,Remote RTMP stream to FMS 4.5 with rtmfp?
When FMLE stopped,Remote RTMP stream to FMS 4.5 with rtmfp?
edit "applications/multicast/main.asc" ?
HELP ME !!! THANKS!!!
* File: main.asc
* The server-side portion of the multicast sample application.
* This app accepts publish and unpublish requests from FMLE, and republishes
* the live stream from FMLE into a target Flash Group.
// General Constants
// "Constants" representing multicast event types.
var TYPE_FUSION = 1;
var TYPE_IP = 2;
var TYPE_P2P = 3;
// StreamContext Description, Constants and Functions
* Type: StreamContext
* This application tracks the context for live streams published to the server
* that are being republished into a Flash Group. The StreamContext "type" used
* for this is just an Object containing the following members:
* client - The encoding/publishing client.
* streamName - The source Stream name as published by the client.
* type - The multicast event type.
* groupspec - The groupspec identifying the Flash Group and capabilities.
* address - IP multicast address (optional for pure P2P events).
* netConnection - A loopback NetConnection used for the mcastNetStream.
* mcastNetStream - The NetStream used to republish the source Stream into
* the Flash Group.
* netGroup - An (optional) NetGroup handle for the target Group.
* Only present for Fusion or P2P events.
* state - One of the state constants defined immediately below
* this comment.
var STATE_INIT = 0; // Starting state for a StreamContext.
var STATE_CONNECTING = 1; // Establishing loop-back connection.
var STATE_CONNECTED = 2; // Connection established.
var STATE_PUBLISH_PENDING = 3; // Attempting to publish.
var STATE_REPUBLISHING = 4; // Actively republishing to multicast.
var STATE_UNPUBLISHING = 5; // Shutting down multicast republish.
var STATE_UNPUBLISHED = 6; // Unpublished successfully.
var STATE_DISCONNECTING = 7; // Shutting down loopback connection.
var STATE_DISCONNECTED = 8; // Connection shut down. Done.
* Registers a source Stream published by the specified client, along with the
* context for the multicast event, as a StreamContext Object.
* @param client - The Client publishing the stream.
* @param streamName - The source Stream name.
* @param params - The parameters resulting from parsing the source Stream's
* query string.
* @return The new StreamContext Object for the registered Stream.
function registerStream(client, streamName, params)
var streamContext = { "client": client,
"streamName": streamName,
"type": params["fms.multicast.type"],
"groupspec": params["fms.multicast.groupspec"] };
if (params["fms.multicast.interface"])
streamContext["interfaceAddress"] = params["fms.multicast.interface"];
if (params["fms.multicast.address"])
streamContext["address"] = params["fms.multicast.address"],
streamContext.state = STATE_INIT;
updateStreamContextLookups(streamContext);
trace("Registered multicast context for source stream: " + streamName);
return streamContext;
* Updates the indexed lookups installed for the passed StreamContext Object
* with the application.
* @param streamContext - The StreamContext Object to (re)index.
function updateStreamContextLookups(streamContext)
application.streamTable[streamContext.streamName] = streamContext;
if (streamContext.netConnection)
application.netConnTable[streamContext.netConnection] = streamContext;
if (streamContext.mcastNetStream)
application.mcastNetStreamTable[streamContext.mcastNetStream] = streamContext;
if (streamContext.netGroup)
application.netGroupTable[streamContext.netGroup] = streamContext;
* Provides access to the StreamContext Object for a registered source Stream
* by name.
* @param streamName - A registered source Stream name.
* @return The associated StreamContext Object; undefined if the source Stream
* name is not registered.
function getStreamContextForSourceStream(streamName)
return application.streamTable[streamName];
* Provides access to the StreamContext Object for a given server-side
* NetConnection hosting a multicast NetStream.
* @param netConnection - A server-side NetConnection.
* @return The associated StreamContext Object; undefined if the passed
* NetConnection is not indexed to a StreamContext.
function getStreamContextForNetConnection(netConnection)
return application.netConnTable[netConnection];
* Provides access to the StreamContext Object for a given multicast NetStream.
* @param netStream - A multicast NetStream.
* @return The associated StreamContext Object; undefined if the passed
* NetStream is not indexed to a StreamContext.
function getStreamContextForMulticastNetStream(netStream)
return application.mcastNetStreamTable[netStream];
* Provides access to the StreamContext Object for a given NetGroup associated
* with a multicast NetStream.
* @param netGroup - A NetGroup.
* @return The associated StreamContext Object; undefined if the passed
* NetGroup is not indexed to a StreamContext.
function getStreamContextForNetGroup(netGroup)
return application.netGroupTable[netGroup];
* Unregisters the StreamContext from the application.
* @param streamContext - The StreamContext Object to unregister.
function unregisterStreamContext(streamContext)
if (streamContext.netConnection)
delete application.netConnTable[streamContext.netConnection];
if (streamContext.mcastNetStream)
delete application.mcastNetStreamTable[streamContext.mcastNetStream];
if (streamContext.netGroup)
delete application.netGroupTable[streamContext.netGroup];
trace("Unregistered multicast context for source stream: " +
streamContext.streamName);
// Application callback functions
* Initializes global StreamContext lookup tables.
application.onAppStart = function()
application.streamTable = {};
application.netConnTable = {};
application.mcastNetStreamTable = {};
application.netGroupTable = {};
* Handles a publish event for the application by validating the request
* and bridging the published stream into a target Flash Group. Invalid
* publish requests are ignored and the publishing client's connection
* is closed.
* @param client - The publishing client.
* @param stream - The published stream.
application.onPublish = function(client, stream)
//trace("Handling publish request for source stream: " + stream.name);
var params = parseQueryString(stream.publishQueryString);
if (!validateStreamParams(params))
application.disconnect(client);
return;
var prevContext = getStreamContextForSourceStream(stream.name);
if (prevContext)
forceCloseStreamContext(prevContext);
// Register source Stream, and kick off the async process that will
// eventually wire-up the associated multicast NetStream.
var streamContext = registerStream(client, stream.name, params);
openMulticastConnection(streamContext);
* Handles an unpublish event for the application by shutting down
* any associated multicast NetStream.
* @param client - The unpublishing client.
* @param stream - The source stream being unpublished.
application.onUnpublish = function(client, stream)
trace("Handling unpublish request for source stream: " + stream.name);
var streamContext = getStreamContextForSourceStream(stream.name);
if (streamContext && (streamContext.state <= STATE_REPUBLISHING))
destroyStreamContext(streamContext);
// Callback functions for NetConnection and multicast NetStream/NetGroup wiring.
* First step in setting up a republished multicast NetStream; open the loopback
* connection it requires.
* @param streamContext - The StreamContext Object for the publish event.
function openMulticastConnection(streamContext)
var nc = new NetConnection();
nc.onStatus = netConnectionStatusHandler;
streamContext.netConnection = nc;
updateStreamContextLookups(streamContext);
streamContext.state = STATE_CONNECTING;
nc.connect(resetUriProtocol(streamContext.client.uri, "rtmfp"));
* Status event handler for the loopback NetConnection used by the multicast
* NetStream. Advances setup upon successful connection, or triggers or advances
* tear-down as a result of connection loss or an unpublish and clean shutdown.
* @param info - The status info Object.
function netConnectionStatusHandler(info)
var streamContext = getStreamContextForNetConnection(this);
trace("Multicast NetConnection Status: " + info.code +
(streamContext ? ", Source stream: " + streamContext.streamName : ", Not associated with a source stream."));
if (streamContext)
switch (info.code)
case "NetConnection.Connect.Success":
streamContext.state = STATE_CONNECTED;
// If event type is Fusion or P2p, wire up a NetGroup for neighbor
// bootstrapping and maintenance ahead of (re)publishing the stream.
var type = streamContext.type;
if (type == TYPE_FUSION || type == TYPE_P2P)
initNetGroup(streamContext);
else
initMulticastNetStream(streamContext);
break;
case "NetConnection.Connect.Failed":
case "NetConnection.Connect.Rejected":
case "NetConnection.Connect.AppShutdown":
trace("MULTICAST PUBLISH ERROR: Failed to establish server-side NetConnection for use by multicast NetStream. " +
"Status code: " + info.code + ", description: " + info.description + ", Source stream: " +
streamContext.streamName);
streamContext.state = STATE_DISCONNECTED;
destroyStreamContext(streamContext);
break;
case "NetConnection.Connect.Closed":
if (streamContext.state < STATE_DISCONNECTING)
trace("MULTICAST PUBLISH ERROR: Unexpected server-side NetConnection close. " +
"Status code: " + info.code + ", description: " + info.description + ", Source stream: " +
streamContext.streamName);
streamContext.state = STATE_DISCONNECTED;
destroyStreamContext(streamContext);
break;
default:
// Ignore.
* Initializes the multicast NetGroup following a successful connection of its
* underlying loopback NetConnection. This hook is optional and only runs for
* event types of Fusion and pure P2P.
* @param streamContext - The StreamContext Object for the multicast publish.
function initNetGroup(streamContext)
var ng = null;
try
ng = new NetGroup(streamContext.netConnection, streamContext.groupspec);
catch (e)
trace("MULTICAST PUBLISH ERROR: Failed to construct NetGroup. Error: "
+ e.name + (e.message ? " " + e.message : "") +
", Source stream: " + streamContext.streamName);
destroyStreamContext(streamContext);
return;
ng.onStatus = netGroupStatusHandler;
streamContext.netGroup = ng;
updateStreamContextLookups(streamContext);
* Status event handler for the multicast NetGroup. Advances to initializing the
* multicast NetStream upon successful NetGroup connect. Otherwise, triggers
* shut down.
* @param info - The status info Object.
function netGroupStatusHandler(info)
var streamContext = getStreamContextForNetGroup(this);
trace("Multicast NetGroup Status: " + info.code +
(streamContext ? ", Source stream: " + streamContext.streamName : ", Not associated with a source stream."))
if (streamContext)
switch (info.code)
case "NetGroup.Connect.Success":
initMulticastNetStream(streamContext);
break;
case "NetGroup.Connect.Failed":
case "NetGroup.Connect.Rejected":
trace("MULTICAST PUBLISH ERROR: Failed to connect multicast NetGroup. " +
"Status code: " + info.code + ", description: " + info.description +
", Source stream: " + streamContext.streamName);
destroyStreamContext(streamContext);
break;
case "NetGroup.MulticastStream.UnpublishNotify":
// At this point, multicast publishers will be notified;
// continue shut down.
destroyStreamContext(streamContext);
break;
default:
// Ignore.
* Initializes the multicast NetStream following a successful connection of its
* underlying loopback NetConnection.
* @param streamContext - The StreamContext Object for the multicast publish.
function initMulticastNetStream(streamContext)
var ns = null;
try
ns = new NetStream(streamContext.netConnection, streamContext.groupspec);
catch (e)
trace("MULTICAST PUBLISH ERROR: Failed to construct multicast NetStream. Error: " +
e.name + (e.message ? " " + e.message : "") +
", Source stream: " + streamContext.streamName);
destroyStreamContext(streamContext);
return;
var type = streamContext.type;
if (type == TYPE_FUSION || type == TYPE_IP)
var iAddr = (streamContext.interfaceAddress) ? streamContext.interfaceAddress : null;
try
trace("Multicast NetStream will publish to IP address: " + streamContext.address +
" on interface address: " + ((iAddr) ? iAddr : "default") +
", Source stream: " + streamContext.streamName);
ns.setIPMulticastPublishAddress(streamContext.address, iAddr);
catch (e2)
trace("MULTICAST PUBLISH ERROR: Failed to assign IP multicast address and port for publishing. Address: "
+ streamContext.address + " on interface address: " + ((iAddr) ? iAddr : "default") +
", Source stream: " + streamContext.streamName);
destroyStreamContext(streamContext);
return;
ns.onStatus = netStreamStatusHandler;
streamContext.mcastNetStream = ns;
updateStreamContextLookups(streamContext);
streamContext.state = STATE_PUBLISH_PENDING;
* Status event handler for the multicast NetStream. Advances state upon successful
* connect and publish, or upon successful unpublish. Triggers tear-down if we fail
* to attach to a source Stream to republish.
* @param info - The status info Object.
function netStreamStatusHandler(info)
var streamContext = getStreamContextForMulticastNetStream(this);
trace("Multicast NetStream Status: " + info.code +
(streamContext ? ", Source stream: " + streamContext.streamName : ", Not associated with a source stream."))
if (streamContext)
switch (info.code)
case "NetStream.Connect.Success":
if (!this.attach(Stream.get(streamContext.streamName)))
trace("MULTICAST PUBLISH ERROR: Failed to attach multicast NetStream to source. Source stream: " +
streamContext.streamName);
destroyStreamContext(streamContext);
//var stream;
//stream = Stream.get("liveStream");
//return;
}else{
this.publish(streamContext.streamName, "live");
break;
case "NetStream.Publish.Start":
streamContext.state = STATE_REPUBLISHING;
break;
case "NetStream.Unpublish.Success":
streamContext.state = STATE_UNPUBLISHED;
// Wait for unpublish notify event if the context has a NetGroup;
// otherwise continue shut down now.
if (!streamContext.netGroup)
destroyStreamContext(streamContext);
break;
default:
// Ignore.
* The common tear-down hook. Other functions that manage or shut down
* the StreamContext Object delegate to this function upon detecting a fatal
* error or during shut down.
* @param streamContext - The StreamContext Object for the source Stream and
* (potentially wired-up) multicast NetStream.
function destroyStreamContext(streamContext)
// Unregister by Stream name immediately; lookups by NetConnection, NetGroup
// and multicast NetStream remain in place until tear-down is complete.
delete application.streamTable[streamContext.streamName];
switch (streamContext.state)
case STATE_REPUBLISHING:
streamContext.mcastNetStream.attach(false);
streamContext.mcastNetStream.publish(false);
streamContext.state = STATE_UNPUBLISHING;
return;
case STATE_CONNECTING:
case STATE_CONNECTED:
case STATE_PUBLISH_PENDING:
case STATE_UNPUBLISHED:
// Delete status handler callbacks and cleanup in case we arrived here
// as a result of a force close.
if (streamContext.netGroup)
delete streamContext.netGroup.onStatus;
if (streamContext.mcastNetStream)
streamContext.mcastNetStream.attach(false);
delete streamContext.mcastNetStream.onStatus;
streamContext.netConnection.close();
streamContext.state = STATE_DISCONNECTING;
return;
default:
// Fall-through.
// At this point, we either never got to the republishing state or we've
// proceeded through the clean shut down steps above. Everything for this
// StreamContext can go away.
unregisterStreamContext(streamContext);
* Utility function used to force close a StreamContext in the event that we
* start handling a republish of a Source stream before the context for its
* prior incarnation has been torn down.
* @param streamContext - The StreamContext Object for the source Stream.
function forceCloseStreamContext(streamContext)
trace("Force closing previous multicast context for source stream: " + stream.name);
prevContext.state = STATE_UNPUBLISHED;
destroyStreamContext(prevContext);
// Client callback functions
* A no-op. Answers the RPC in the fashion expected by encoders, but the real
* work happens in application.onPublish.
* @param streamName - The name of the stream being published.
Client.prototype.FCPublish = function(streamName)
this.call("onFCPublish",
null,
{code:"NetStream.Publish.Start", description:streamName});
* A no-op. Answers the RPC in the fashion expected by encoders, but the real
* work happens in application.onUnpublish.
* @param streamName - The name of the stream being unpublished.
Client.prototype.FCUnpublish = function(streamName)
this.call("onFCUnpublish",
null,
{code:"NetStream.Unpublish.Success", description:streamName});
* If the client invoker's ip matches what was captured for a currently publishing
* stream, assume it's the same client and reset the stream. Otherwise, ignore.
* @param streamName - The name of the stream being released.
Client.prototype.releaseStream = function(streamName)
var streamContext = getStreamContextForSourceStream(streamName);
if (streamContext &&
(streamContext.client.ip == this.ip) &&
(streamContext.state <= STATE_REPUBLISHING))
// Only tear-down an orphaned stream if it's not
// already shutting down (see state check above).
destroyStreamContext(streamContext);
// Helper functions
* Validates that a newly published stream has correct metadata (e.g. query
* string parameters) to republish into a Flash Group. This function also
* writes a message to the application log for any validation failures.
* @param params - The quiery string parameters for the source Stream.
* @return true if valid; otherwise false.
function validateStreamParams(params)
var empty = true;
for (var param in params)
empty = false;
break;
if (empty)
trace("MULTICAST PUBLISH ERROR: Stream query string is empty.");
return false;
if (!params["fms.multicast.type"])
trace("MULTICAST PUBLISH ERROR: Stream query string does not specify a 'fms.multicast.type'.");
return false;
var type = params["fms.multicast.type"];
if (type != 1 && type != 2 && type != 3)
trace("MULTICAST PUBLISH ERROR: 'fms.multicast.type' has invalid value: " + type);
return false;
if (!params["fms.multicast.groupspec"])
trace("MULTICAST PUBLISH ERROR: Stream query string does not specify a 'fms.multicast.groupspec'.");
return false;
// Fusion and IP require an address:port.
if ((type == 1 || type == 2) &&
!params["fms.multicast.address"])
trace("MULTICAST PUBLISH ERROR: Stream query string does not specify a 'fms.multicast.address'.");
return false;
// No obvious validation issues.
return true;
* Parses the supplied query string, and if valid, returns an Object populated
* with the name-value pairs contained in the query string. The simple processing
* here does not preserve multiple name-value pairings having the same name; the
* last value seen wins. Parameters with no value are mapped to "" (empty String)
* in the returned Object.
* @param queryString - A query string portion of a URI, not including the leading
* '?' character.
* @return An Object containing a key-value mapping for each name-value parameter
* defined in the query string; Object is empty if the query string is
* invalid.
function parseQueryString(queryString)
var result = {};
var decoded = "";
try
decoded = decodeURIComponent(queryString);
catch (e) // Invalid URI component; return empty result.
return result;
if (decoded.length)
var params = decoded.split('&');
for (var i in params)
var pair = params[i];
var sepIndex = pair.indexOf('=');
if (sepIndex != -1)
var name = pair.substr(0, sepIndex);
result[name] = pair.substr(sepIndex + 1);
else
result[pair] = "";
return result;
* Utility function used to swap out the protocol (scheme) portion
* of a given URI with an alternate.
* @param uri - The full URI.
* @param desiredProtocol - The replacement protocol.
* @return The URI with its protocol replaced.
function resetUriProtocol(uri, desiredProtocol)
var sepIndex = uri.indexOf("://");
return desiredProtocol + uri.substr(sepIndex);HELP ME !!! THANKS!!!
-
My HP Pavilion Elite m9058n PC's Card-Readers Stop Reading/Recognizing My SDHC Cards
Just about 2 weeks ago my HP Pavilion Elite m9058n PC's card readers stop reading or recognizing my memory cards used to store the pictures I took. They used to be able to read my SDHC cards (Sandisk, Kinston, Panasonic) before. Don't understand why they stop reading, even recognizing all of them. My O/S is Windows 8. The initial symptom was the options for processing the inserted cards seemed to be showing up slower than before and then I had to withdraw the cards and re-insert them so that such option screen appear. Then later on it didn't show up at all. And when I checked "This PC" ("computer" or "my computer" in other Windows versions), I didn't see the DRIVE LETTERS, like G, K, or J, etc. for the memory card readers any more. Now if I connect my camera directly with my PC, I see on the camera model number on "This PC" screen.
Please help me understand what this problem is and kindly provide me with the best solutions you can.
Thank you very much.Hi,
I understand your card reader is not working as you have previously experienced. Take a look at the following document, Using and Troubleshooting Memory Card Readers (Windows 8), specifically the "Resolving issues with memory cards" section. Hopefully there will be something in there that is useful for you. Best of luck. Have a wonderful day.
Ryan1216
I work on behalf of HP
The advice and opinions given here are my own and not those of HP -
Siri stopped reading my text messages
A few weeks ago, Siri stopped reading me my text messages. I used to always be able to say, "read me my last text message" and Siri would promptly read it to me, ask me if I wanted to respond, then let me respond by voice as well.
I was on iOS 7 and NOTHING changed, but one day a few weeks or so ago, Siri started just telling me that I "have no new messages" even when I clearly had new messages that just came in.
I updated to iOS 8 the other day thinking it would probably fix it.
It didn't. I can't figure out how to get it to work again.
I have not completely erased the phone and reinstalled iOS 8. I might try that, I just wanted to see if there's another known fix first before going through all of that.
Googling has turned up plenty of others who have had this bug too, but I can't find anything recently or anything that has actually fixed it for people.
Any known help would be appreciated. Thank you.Hi DigitalDuderino,
Welcome to the Apple Support Communities!
I know this issue must be very frustrating considering that this issue just started happening without you making changes. I would recommend working through the attached article’s troubleshooting steps to help isolate and resolve this issue.
iOS: Troubleshooting Siri
Regards,
Joe
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