/*******************************************************************************
**
** Function avdt_ccb_chan_open
**
** Description This function calls avdt_ad_open_req() to
** initiate a signaling channel connection.
**
**
** Returns void.
**
*******************************************************************************/
void avdt_ccb_chan_open(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data)
{
UNUSED(p_data);
BTM_SetOutService(p_ccb->peer_addr, BTM_SEC_SERVICE_AVDTP, AVDT_CHAN_SIG);
avdt_ad_open_req(AVDT_CHAN_SIG, p_ccb, NULL, AVDT_INT);
}
/*******************************************************************************
**
** Function sdp_conn_originate
**
** Description This function is called from the API to originate a
** connection.
**
** Returns void
**
*******************************************************************************/
tCONN_CB* sdp_conn_originate (UINT8 *p_bd_addr)
{
tCONN_CB *p_ccb;
UINT16 cid;
/* Allocate a new CCB. Return if none available. */
if ((p_ccb = sdpu_allocate_ccb()) == NULL)
{
SDP_TRACE_WARNING0 ("SDP - no spare CCB for orig");
return (NULL);
}
SDP_TRACE_EVENT0 ("SDP - Originate started");
/* We are the originator of this connection */
p_ccb->con_flags |= SDP_FLAGS_IS_ORIG;
/* Save the BD Address and Channel ID. */
memcpy (&p_ccb->device_address[0], p_bd_addr, sizeof (BD_ADDR));
/* Transition to the next appropriate state, waiting for connection confirm. */
p_ccb->con_state = SDP_STATE_CONN_SETUP;
// btla-specific ++
#ifndef ANDROID_APP_INCLUDED /* Skip for Android: Do not need to set out_service for sdp, since sdp does not use sec. Prevents over-writing service_rec of a connection already in progress */
BTM_SetOutService(p_bd_addr, BTM_SEC_SERVICE_SDP_SERVER, 0);
#endif
// btla-specific --
cid = L2CA_ConnectReq (SDP_PSM, p_bd_addr);
/* Check if L2CAP started the connection process */
if (cid != 0)
{
p_ccb->connection_id = cid;
return (p_ccb);
}
else
{
SDP_TRACE_WARNING0 ("SDP - Originate failed");
sdpu_release_ccb (p_ccb);
return (NULL);
}
}
/*******************************************************************************
**
** Function PAN_Connect
**
** Description This function is called by the application to initiate a
** connection to the remote device
**
** Parameters: rem_bda - BD Addr of the remote device
** src_role - Role of the local device for the connection
** dst_role - Role of the remote device for the connection
** PAN_ROLE_CLIENT is for PANU role
** PAN_ROLE_GN_SERVER is for GN role
** PAN_ROLE_NAP_SERVER is for NAP role
** *handle - Pointer for returning Handle to the connection
**
** Returns PAN_SUCCESS - if the connection is initiated successfully
** PAN_NO_RESOURCES - resources are not sufficent
** PAN_FAILURE - if the connection cannot be initiated
** this can be because of the combination of
** src and dst roles may not be valid or
** allowed at that point of time
**
*******************************************************************************/
tPAN_RESULT PAN_Connect (BD_ADDR rem_bda, UINT8 src_role, UINT8 dst_role, UINT16 *handle)
{
tPAN_CONN *pcb;
tBNEP_RESULT result;
tBT_UUID src_uuid, dst_uuid;
UINT8 service_id;
UINT32 mx_chan_id;
/*
** Initialize the handle so that in case of failure return values
** the profile will not get confused
*/
*handle = BNEP_INVALID_HANDLE;
/* Check if PAN is active or not */
if (!(pan_cb.role & src_role))
{
PAN_TRACE_ERROR1 ("PAN is not active for the role %d", src_role);
return PAN_FAILURE;
}
/* Validate the parameters before proceeding */
if ((src_role != PAN_ROLE_CLIENT && src_role != PAN_ROLE_GN_SERVER && src_role != PAN_ROLE_NAP_SERVER) ||
(dst_role != PAN_ROLE_CLIENT && dst_role != PAN_ROLE_GN_SERVER && dst_role != PAN_ROLE_NAP_SERVER))
{
PAN_TRACE_ERROR2 ("Either source %d or destination role %d is invalid", src_role, dst_role);
return PAN_FAILURE;
}
/* Check if connection exists for this remote device */
pcb = pan_get_pcb_by_addr (rem_bda);
/* If we are PANU for this role validate destination role */
if (src_role == PAN_ROLE_CLIENT)
{
if ((pan_cb.num_conns > 1) || (pan_cb.num_conns && (!pcb)))
{
/*
** If the request is not for existing connection reject it
** because if there is already a connection we cannot accept
** another connection in PANU role
*/
PAN_TRACE_ERROR0 ("Cannot make PANU connections when there are more than one connection");
return PAN_INVALID_SRC_ROLE;
}
src_uuid.uu.uuid16 = UUID_SERVCLASS_PANU;
if (dst_role == PAN_ROLE_CLIENT)
{
service_id = BTM_SEC_SERVICE_BNEP_PANU;
dst_uuid.uu.uuid16 = UUID_SERVCLASS_PANU;
}
else if (dst_role == PAN_ROLE_GN_SERVER)
{
service_id = BTM_SEC_SERVICE_BNEP_GN;
dst_uuid.uu.uuid16 = UUID_SERVCLASS_GN;
}
else
{
service_id = BTM_SEC_SERVICE_BNEP_NAP;
dst_uuid.uu.uuid16 = UUID_SERVCLASS_NAP;
}
mx_chan_id = dst_uuid.uu.uuid16;
}
/* If destination is PANU role validate source role */
else if (dst_role == PAN_ROLE_CLIENT)
{
if (pan_cb.num_conns && pan_cb.active_role == PAN_ROLE_CLIENT && !pcb)
{
PAN_TRACE_ERROR0 ("Device already have a connection in PANU role");
return PAN_INVALID_SRC_ROLE;
}
dst_uuid.uu.uuid16 = UUID_SERVCLASS_PANU;
if (src_role == PAN_ROLE_GN_SERVER)
{
service_id = BTM_SEC_SERVICE_BNEP_GN;
src_uuid.uu.uuid16 = UUID_SERVCLASS_GN;
}
else
{
service_id = BTM_SEC_SERVICE_BNEP_NAP;
src_uuid.uu.uuid16 = UUID_SERVCLASS_NAP;
}
mx_chan_id = src_uuid.uu.uuid16;
}
/* The role combination is not valid */
else
{
PAN_TRACE_ERROR2 ("Source %d and Destination roles %d are not valid combination",
src_role, dst_role);
return PAN_FAILURE;
}
/* Allocate control block and initiate connection */
if (!pcb)
pcb = pan_allocate_pcb (rem_bda, BNEP_INVALID_HANDLE);
if (!pcb)
{
PAN_TRACE_ERROR0 ("PAN Connection failed because of no resources");
return PAN_NO_RESOURCES;
}
BTM_SetOutService(rem_bda, BTM_SEC_SERVICE_BNEP_PANU, mx_chan_id);
PAN_TRACE_API6 ("PAN_Connect() for BD Addr %x.%x.%x.%x.%x.%x",
rem_bda[0], rem_bda[1], rem_bda[2], rem_bda[3], rem_bda[4], rem_bda[5]);
if (pcb->con_state == PAN_STATE_IDLE)
{
pan_cb.num_conns++;
}
else if (pcb->con_state == PAN_STATE_CONNECTED)
{
pcb->con_flags |= PAN_FLAGS_CONN_COMPLETED;
}
else
/* PAN connection is still in progress */
return PAN_WRONG_STATE;
pcb->con_state = PAN_STATE_CONN_START;
pcb->prv_src_uuid = pcb->src_uuid;
pcb->prv_dst_uuid = pcb->dst_uuid;
pcb->src_uuid = src_uuid.uu.uuid16;
pcb->dst_uuid = dst_uuid.uu.uuid16;
src_uuid.len = 2;
dst_uuid.len = 2;
result = BNEP_Connect (rem_bda, &src_uuid, &dst_uuid, &(pcb->handle));
if (result != BNEP_SUCCESS)
{
pan_release_pcb (pcb);
return result;
}
PAN_TRACE_DEBUG1 ("PAN_Connect() current active role set to %d", src_role);
pan_cb.prv_active_role = pan_cb.active_role;
pan_cb.active_role = src_role;
*handle = pcb->handle;
return PAN_SUCCESS;
}
