MACROMEDIA FLASH COMMUNICATION SERVER MX-SERVER-SIDE COMMUNICATION ACTIONSCRIPT DICTIONARY Specifiche Scaricare il pdf (Pagina 138)

Chapter 460

Debugging NetConnection.Connect.Failed

If a

NetConnection.connect command returns an information object with a code value of

NetConnection.Connect.Failed, you are unable to establish a connection with the server.

Every time you receive this error, ask yourself some standard troubleshooting questions:

• Are you connecting to a valid application? In other words, is there a subdirectory in the

flashcom application directory that has the same name as the application? (This is a very

common reason for a connection to fail.)

• Are you connecting to the right server?

• Is the server running?

• Are you specifying the protocol (rtmp:) for connecting to the server?

Attempts to connect to the server can also fail if the permissible number of socket connections on

either the client or the server machine is at its limit. This limit is dependent on how much

physical memory your server has, and how busy the connections are. On Windows systems, the

memory for socket connections is allocated out of the non-paged memory, so it cannot be

swapped out to a page file. You may see that you reach the maximum limit at different values

from time to time as other running programs (such as core OS services) will be competing with

yours for space in the non-paged memory pool.

Getting properties of an object

If you need to know why you might be having problems with a particular object, you can iterate

its properties like this:

for (i in my_obj) {

trace(i + " = " + my_obj[i]);

}

Adding a privacy module

When creating applications that capture client audio or video streams, you should provide users

with explicit notice that you are doing so, and request their permission. Including a self-view is a

good way to let the user know that they are “on camera” and a transmission light or microphone

activity indicator can let that person know that the microphone is on. For live communication

applications it is always a good idea to give the user easy access to controls that allow them to turn

their camera and microphone off and to mute the audio they are receiving.

Many of the sample applications provided in the flashcom application directory illustrate how to

implement one or more of these techniques. The following sample shows one way to request the

user’s permission before recording. You can find the sample file for this code in the

flashcom_help\help_collateral\doc_approval directory under the installed Macromedia Flash MX

authoring directories.

To create the privacy module:

1 In the Flash MX authoring environment, select File > New to open a new file.

2 From the Components panel (Window > Components), drag the Push Button symbol under

Flash UI components to a position near the bottom of the Stage. In the Property inspector

(Window > Properties), give it the instance name

Record_btn, the label Record, and the click

handler

doRecord.

1 2 ... 133 134 135 136 137 138 139 140 141 142 143 ... 368 369

Commenti su questo manuale

Nessun commento

MACROMEDIA FLASH COMMUNICATION SERVER MX-SERVER-SIDE COMMUNICATION ACTIONSCRIPT DICTIONARY Specifiche Pagina 138

Commenti su questo manuale

Prodotti e manuali riguardandi Server MACROMEDIA FLASH COMMUNICATION SERVER MX-SERVER-SIDE COMMUNICATION ACTIONSCRIPT DICTIONARY