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panu_demo: enable tun interface read callback

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This commit is contained in:
Matthias Ringwald 2017-09-08 15:56:24 +02:00
parent dbc206868b
commit 36b4a12c09
1 changed files with 11 additions and 22 deletions
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33
example/panu_demo.c
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@ -278,19 +278,12 @@ static void process_tap_dev_data(btstack_data_source_t *ds, btstack_data_source_
}
network_buffer_len = len;
log_info("network packet, len %u", (int) len);
if (bnep_can_send_packet_now(bnep_cid)) {
log_info("direct send");
bnep_send(bnep_cid, network_buffer, network_buffer_len);
network_buffer_len = 0;
} else {
log_info("cannort send, request permission");
// park the current network packet
btstack_run_loop_remove_data_source(&tap_dev_ds);
// and request a send permission
bnep_request_can_send_now_event(bnep_cid);
}
return;
// disable reading from netif
btstack_run_loop_disable_data_source_callbacks(&tap_dev_ds, DATA_SOURCE_CALLBACK_READ);
// request permission to send
bnep_request_can_send_now_event(bnep_cid);
}
/* LISTING_END */
@ -525,6 +518,7 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
btstack_run_loop_set_data_source_fd(&tap_dev_ds, tap_fd);
btstack_run_loop_set_data_source_handler(&tap_dev_ds, &process_tap_dev_data);
btstack_run_loop_add_data_source(&tap_dev_ds);
btstack_run_loop_enable_data_source_callbacks(&tap_dev_ds, DATA_SOURCE_CALLBACK_READ);
}
}
break;
@ -547,19 +541,16 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
}
break;
/* @text BNEP_EVENT_CAN_SEND_NOW indicates that a new packet can be send. This triggers the retry of a
* parked network packet. If this succeeds, the data source element is added to the run loop again.
/* @text BNEP_EVENT_CAN_SEND_NOW indicates that a new packet can be send. This triggers the send of a
* stored network packet. The tap datas source can be enabled again
*/
case BNEP_EVENT_CAN_SEND_NOW:
// Check for parked network packets and send it out now
if (network_buffer_len > 0) {
log_info("indirect send");
bnep_send(bnep_cid, network_buffer, network_buffer_len);
network_buffer_len = 0;
// Re-add the tap device data source
btstack_run_loop_add_data_source(&tap_dev_ds);
// Re-enable the tap device data source
btstack_run_loop_enable_data_source_callbacks(&tap_dev_ds, DATA_SOURCE_CALLBACK_READ);
}
break;
default:
@ -596,8 +587,6 @@ int btstack_main(int argc, const char * argv[]){
(void)argc;
(void)argv;
printf("Client HCI init done\n");
panu_setup();
// parse human readable Bluetooth address