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replace malloc with static buffers or btstack_memory.h functions

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This commit is contained in:
matthias.ringwald 2011-07-24 09:22:31 +00:00
parent a3b02b7188
commit d3a9df8712
1 changed files with 16 additions and 16 deletions
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32
src/l2cap.c
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@ -41,6 +41,7 @@
#include "hci.h"
#include "hci_dump.h"
#include "debug.h"
#include "btstack_memory.h"
#include <stdarg.h>
#include <string.h>
@ -73,14 +74,15 @@ static void l2cap_packet_handler(uint8_t packet_type, uint8_t *packet, uint16_t
static l2cap_signaling_response_t signaling_responses[NR_PENDING_SIGNALING_RESPONSES];
static int signaling_responses_pending;
static uint8_t * sig_buffer = NULL;
// static buffers
static uint8_t sig_buffer[L2CAP_MINIMAL_MTU];
static uint8_t acl_buffer[HCI_ACL_3DH5_SIZE];
static linked_list_t l2cap_channels = NULL;
static linked_list_t l2cap_services = NULL;
static uint8_t * acl_buffer = NULL;
static void (*packet_handler) (void * connection, uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size) = null_packet_handler;
static int new_credits_blocked = 0;
// prototypes
static void l2cap_finialize_channel_close(l2cap_channel_t *channel);
static l2cap_service_t * l2cap_get_service(uint16_t psm);
@ -91,9 +93,7 @@ static int l2cap_channel_ready_for_open(l2cap_channel_t *channel);
void l2cap_init(){
sig_buffer = malloc( L2CAP_MINIMAL_MTU );
acl_buffer = malloc( HCI_ACL_3DH5_SIZE);
new_credits_blocked = 0;
signaling_responses_pending = 0;
@ -331,7 +331,7 @@ void l2cap_run(void){
l2cap_send_signaling_packet(channel->handle, CONNECTION_RESPONSE, channel->remote_sig_id, 0, 0, channel->reason, 0);
// discard channel - l2cap_finialize_channel_close without sending l2cap close event
linked_list_remove(&l2cap_channels, (linked_item_t *) channel);
free (channel);
btstack_memory_l2cap_channel_free(channel);
break;
case L2CAP_STATE_WILL_SEND_CONNECTION_RESPONSE_ACCEPT:
@ -394,7 +394,7 @@ void l2cap_create_channel_internal(void * connection, btstack_packet_handler_t p
bd_addr_t address, uint16_t psm, uint16_t mtu){
// alloc structure
l2cap_channel_t * chan = malloc(sizeof(l2cap_channel_t));
l2cap_channel_t * chan = btstack_memory_l2cap_channel_get();
// TODO: emit error event
if (!chan) return;
@ -445,7 +445,7 @@ static void l2cap_handle_connection_failed_for_addr(bd_addr_t address, uint8_t s
l2cap_emit_channel_opened(channel, status);
// discard channel
it->next = it->next->next;
free (channel);
btstack_memory_l2cap_channel_free(channel);
}
} else {
it = it->next;
@ -518,7 +518,7 @@ void l2cap_event_handler( uint8_t *packet, uint16_t size ){
// update prev item before free'ing next element - don't call l2cap_finalize_channel_close
it->next = it->next->next;
l2cap_emit_channel_closed(channel);
free (channel);
btstack_memory_l2cap_channel_free(channel);
} else {
it = it->next;
}
@ -588,7 +588,7 @@ static void l2cap_handle_connection_request(hci_con_handle_t handle, uint8_t sig
}
// alloc structure
// log_info("l2cap_handle_connection_request register channel\n");
l2cap_channel_t * channel = malloc(sizeof(l2cap_channel_t));
l2cap_channel_t * channel = btstack_memory_l2cap_channel_get();
// TODO: emit error event
if (!channel) return;
@ -727,7 +727,7 @@ void l2cap_signaling_handler_channel(l2cap_channel_t *channel, uint8_t *command)
// discard channel
linked_list_remove(&l2cap_channels, (linked_item_t *) channel);
free (channel);
btstack_memory_l2cap_channel_free(channel);
break;
}
break;
@ -912,7 +912,7 @@ void l2cap_finialize_channel_close(l2cap_channel_t *channel){
l2cap_emit_channel_closed(channel);
// discard channel
linked_list_remove(&l2cap_channels, (linked_item_t *) channel);
free (channel);
btstack_memory_l2cap_channel_free(channel);
}
l2cap_service_t * l2cap_get_service(uint16_t psm){
@ -934,7 +934,7 @@ void l2cap_register_service_internal(void *connection, btstack_packet_handler_t
if (service) return;
// alloc structure // TODO: emit error event
service = malloc(sizeof(l2cap_service_t));
service = btstack_memory_l2cap_service_get();
if (!service) return;
// fill in
@ -951,7 +951,7 @@ void l2cap_unregister_service_internal(void *connection, uint16_t psm){
l2cap_service_t *service = l2cap_get_service(psm);
if (!service) return;
linked_list_remove(&l2cap_services, (linked_item_t *) service);
free(service);
btstack_memory_l2cap_service_free(service);
}
//
@ -973,7 +973,7 @@ void l2cap_close_connection(void *connection){
l2cap_service_t * service = (l2cap_service_t *) it->next;
if (service->connection == connection){
it->next = it->next->next;
free(service);
btstack_memory_l2cap_service_free(service);
} else {
it = it->next;
}