Dear Marcel
Thanks for helping.
Here is code fragment. I use usual fork practise to run these two
func do_connect and do_listen. I hard code the bluetooth device to be
connected just because code is under testing.
And these two func are using different channel, it can be connected
when do_connect retry more than 3 times.
So i do not why it can not be connected when it is trying to connect
another device.
int *do_connect*(TPVSerial_State_t *stateData)
{
struct sockaddr_rc sa;
int sk,retry;
// Create RFCOMM socket
sk = socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM);
sa.rc_family = AF_BLUETOOTH;
sa.rc_channel = 3;
str2ba("00:e0:07:cb:15:68",&sa.rc_bdaddr);
retry = 3;
while(retry--)
{
int ret, alen = sizeof(sa);
DEBPRINT("Conecting...\n");
ret = connect(sk, (struct sockaddr *) &sa, alen);
DEBPRINT("Connected\n");
ba2str(&sa.rc_bdaddr, ba);
syslog(LOG_INFO, "New connection from %s", ba);
// to handle the SPP connection
sp_open_connection(sk, stateData);
close(sk);
}
return 0;
}
int *do_listen*(TPVSerial_State_t *stateData)
{
struct sockaddr_rc sa;
int sk;
fd_set netfd;
// Create RFCOMM socket
sk = socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM);
sa.rc_family = AF_BLUETOOTH;
sa.rc_channel = 2
sa.rc_bdaddr = src_addr;
if (bind(sk, (struct sockaddr *) &sa, sizeof(sa)))
{
syslog(LOG_ERR, "Bind failed. %s(%d)", strerror(errno), errno);
return -1;
}
listen(sk, 10);
FD_ZERO(&netfd);
terminate = 0;
while(!terminate)
{
int alen = sizeof(sa), nsk;
FD_SET(sk,&netfd);
syslog(LOG_INFO, "Waiting for connection...");
DEBPRINT("wait Accept\n");
select(sk+1,&netfd,NULL,NULL,NULL)
if(FD_ISSET(sk,&netfd)){
nsk = accept(sk, (struct sockaddr *) &sa, &alen);
DEBPRINT("Accepted\n");
ba2str(&sa.rc_bdaddr, ba);
syslog(LOG_INFO, "New connection from %s", ba);
// to handle the SPP connection
sp_open_connection(nsk, stateData);
close(nsk);
}
}
return 0;
}
Marcel Holtmann wrote:
>Hi Mike,
>
>
>
>> I have tried to fork two process, One use socket system call -
>>accept at rfcomm channel 2, and another try to connect to a bluetooth
>>device thought channel 3. But i found that i can not use a 3rd device to
>>connect to the listen channel 2 at the same time.
>>
>>
>
>show us the source code for that.
>
>
>
>> I am using bluez-lib-2.6, utils-2.6. ,hci-uart and linux-2.4.18
>>patched with patch-2.4.18-mh15.
>>
>>
>
>The bluez-libs and bluez-utils are at version 2.11 and you should update
>both of them.
>
>
>
>> My question is simple, Could bluez be multi-tasking?
>>
>>
>
>You may not be able to do some crazy things, but in general yes.
>
>Regards
>
>Marcel
>
>
>
>
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