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send DM if requested in send_dm_for_dlci in multiplexer_t

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matthias.ringwald 2011-07-07 23:06:51 +00:00
parent 70d1daaf4f
commit 1ac74e31e6
1 changed files with 14 additions and 4 deletions
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18
src/rfcomm.c
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@ -219,6 +219,9 @@ typedef struct {
uint8_t at_least_one_connection;
uint16_t max_frame_size;
// send DM for DLCI != 0
uint8_t send_dm_for_dlci;
} rfcomm_multiplexer_t;
@ -357,6 +360,8 @@ static void rfcomm_multiplexer_initialize(rfcomm_multiplexer_t *multiplexer){
bzero(multiplexer, sizeof(rfcomm_multiplexer_t));
multiplexer->state = RFCOMM_MULTIPLEXER_CLOSED;
multiplexer->l2cap_credits = 0;
multiplexer->send_dm_for_dlci = 0;
// - Max RFCOMM header has 6 bytes (P/F bit is set, payload length >= 128)
// - therefore, we set RFCOMM max frame size <= Local L2CAP MTU - 6
multiplexer->max_frame_size = RFCOMM_MAX_PAYLOAD - 6; // max
@ -933,6 +938,13 @@ static int rfcomm_multiplexer_l2cap_packet_handler(uint16_t channel, uint8_t *pa
}
static void rfcomm_multiplexer_state_machine(rfcomm_multiplexer_t * multiplexer, RFCOMM_MULTIPLEXER_EVENT event){
// process stored DM responses
if (multiplexer->send_dm_for_dlci){
rfcomm_send_dm_pf(multiplexer, multiplexer->send_dm_for_dlci);
multiplexer->send_dm_for_dlci = 0;
}
switch (multiplexer->state) {
case RFCOMM_MULTIPLEXER_SEND_SABM_0:
switch (event) {
@ -1134,8 +1146,7 @@ static void rfcomm_channel_state_machine_2(rfcomm_multiplexer_t * multiplexer, u
log_dbg("rfcomm_channel_state_machine_2 service dlci #%u = 0x%08x\n", dlci, (int) service);
if (!service) {
// discard request by sending disconnected mode
// TODO: store "send DM for #x" in multiplexer struct
rfcomm_send_dm_pf(multiplexer, dlci);
multiplexer->send_dm_for_dlci = dlci;
return;
}
@ -1154,8 +1165,7 @@ static void rfcomm_channel_state_machine_2(rfcomm_multiplexer_t * multiplexer, u
if (!channel) {
// discard request by sending disconnected mode
// TODO: store "send DM for #x" in multiplexer struct
rfcomm_send_dm_pf(multiplexer, dlci);
multiplexer->send_dm_for_dlci = dlci;
return;
}
channel->connection = service->connection;