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handle malloc error of rfcomm_channel for outgoing connection

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matthias.ringwald 2011-07-25 20:42:19 +00:00
parent 034e059cb4
commit 43495c24f8
1 changed files with 23 additions and 0 deletions
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23
src/rfcomm.c
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@ -140,6 +140,21 @@ static void rfcomm_emit_channel_opened(rfcomm_channel_t *channel, uint8_t status
(*app_packet_handler)(channel->connection, HCI_EVENT_PACKET, 0, (uint8_t *) event, pos);
}
static void rfcomm_emit_channel_open_failed_outgoing_memory(void * connection, bd_addr_t *addr, uint8_t server_channel){
uint8_t event[16];
uint8_t pos = 0;
event[pos++] = RFCOMM_EVENT_OPEN_CHANNEL_COMPLETE;
event[pos++] = sizeof(event) - 2;
event[pos++] = BTSTACK_MEMORY_ALLOC_FAILED;
bt_flip_addr(&event[pos], *addr); pos += 6;
bt_store_16(event, pos, 0); pos += 2;
event[pos++] = server_channel;
bt_store_16(event, pos, 0); pos += 2; // channel ID
bt_store_16(event, pos, 0); pos += 2; // max frame size
hci_dump_packet(HCI_EVENT_PACKET, 0, event, sizeof(event));
(*app_packet_handler)(connection, HCI_EVENT_PACKET, 0, (uint8_t *) event, pos);
}
// data: event(8), len(8), rfcomm_cid(16)
static void rfcomm_emit_channel_closed(rfcomm_channel_t * channel) {
uint8_t event[4];
@ -1595,12 +1610,20 @@ void rfcomm_create_channel_internal(void * connection, bd_addr_t *addr, uint8_t
rfcomm_multiplexer_t * multiplexer = rfcomm_multiplexer_for_addr(addr);
if (!multiplexer) {
multiplexer = rfcomm_multiplexer_create_for_addr(addr);
if (!multiplexer){
rfcomm_emit_channel_open_failed_outgoing_memory(connection, addr, server_channel);
return;
}
multiplexer->outgoing = 1;
multiplexer->state = RFCOMM_MULTIPLEXER_W4_CONNECT;
}
// prepare channel
rfcomm_channel_t * channel = rfcomm_channel_create(multiplexer, 0, server_channel);
if (!channel){
rfcomm_emit_channel_open_failed_outgoing_memory(connection, addr, server_channel);
return;
}
channel->connection = connection;
// start multiplexer setup