[Bluez-devel] syntax for advertising a service with specific uuid

[Bluez-devel] syntax for advertising a service with specific uuid

[Nikita Tovstoles]

Hello,

I'd like to create a client-server application in which a linux box 
(running bluez) will advertise a service by declaring a specific service 
uuid. the service needs to only be capable of sending / receiving 
strings so i'm assuming declaring a btspp service should be enough. that 
specific uuid will be embedded into a j2me midlet running on nokia 6600 
(implementing jsr-82). the midlet will then search for service using url 
of format:

"btspp://1234567890123456789012" (uuid *has* to be chars long - nokia's 
apparent implementation limitation).
so (correct me if i'm wrong )what i need is:
1.add Serial Port service via "sdptool add SP"
2.set attributeID 0x0003 (ServiceID) for the above Service Record to 
"1234567890123456789012"

correct?
i'm not sure of the sdptool syntax for step 2.

problem:
1.when i do step 1, i get "Serial Port registered". but, if i issue 
"sdptool get SP" afterwards, i get description of
"SDP Server" (0x1000). shouldn't it return something like "SerialPort" 
(0x1101)  - service class id for SerialPort per bt spec?
note: actually even if i issue "sdptool add LAN", subsequent "sdptool 
get LAN" returns same description as above.

2. also, i couldn't figure out exact syntax to accomplish step 2 above 
(set attribute):
sdptool setattr --help returns

"usage: sdptool get rec_handle attrib_id attrib_value", which seems not 
to be what i need to do...

thanks

-nikita

-- 
===================================
Nikita Tovstoles, MTS
Demolab (Executive Communications)
Sun Microsystems, Inc.
4170 Network Circle
USCA17, Office 3705
Mailstop USCA17-205
Santa Clara CA 95054
e-mail: nikita.tovstoles@sun.com
office: 408-276-5348 / x15348
cell: 650-996-8173
===================================



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Re: [Bluez-devel] syntax for advertising a service with specific uuid

[Marcel Holtmann]

Hi Nikita,

> I'd like to create a client-server application in which a linux box 
> (running bluez) will advertise a service by declaring a specific service 
> uuid. the service needs to only be capable of sending / receiving 
> strings so i'm assuming declaring a btspp service should be enough. that 
> specific uuid will be embedded into a j2me midlet running on nokia 6600 
> (implementing jsr-82). the midlet will then search for service using url 
> of format:
> 
> "btspp://1234567890123456789012" (uuid *has* to be chars long - nokia's 
> apparent implementation limitation).
> so (correct me if i'm wrong )what i need is:
> 1.add Serial Port service via "sdptool add SP"
> 2.set attributeID 0x0003 (ServiceID) for the above Service Record to 
> "1234567890123456789012"
> 
> correct?

I am not familiar with Symbian phones or JSR-82, so I can't help here.

> i'm not sure of the sdptool syntax for step 2.
> 
> problem:
> 1.when i do step 1, i get "Serial Port registered". but, if i issue 
> "sdptool get SP" afterwards, i get description of
> "SDP Server" (0x1000). shouldn't it return something like "SerialPort" 
> (0x1101)  - service class id for SerialPort per bt spec?
> note: actually even if i issue "sdptool add LAN", subsequent "sdptool 
> get LAN" returns same description as above.

I prefer you read the manpage of sdptool. The get command needs the
record handle of the previous created record.

> 2. also, i couldn't figure out exact syntax to accomplish step 2 above 
> (set attribute):
> sdptool setattr --help returns
> 
> "usage: sdptool get rec_handle attrib_id attrib_value", which seems not 
> to be what i need to do...

Again. Look at the manpage.

Regards

Marcel




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Re: [Bluez-devel] syntax for advertising a service with specific uuid

[Marcel Holtmann]

Hi Nikita,

> >I prefer you read the manpage of sdptool. The get command needs the
> >record handle of the previous created record.
> >  
> >
> "man sdptool" returns nothing. the only thing i can look at is "sdptool 
> --help". if that's not what you were referring to, where is sdptool's 
> manpage?
> 
> %sdptool add --help
>  add [--channel] service

come on, check you MANPATH or look at the CVS

http://cvs.sourceforge.net/viewcvs.py/bluez/utils/tools/sdptool.1?view=markup

Regards

Marcel




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