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component/bt: Added the prepare write check.

pull/1278/merge
Yulong 2017-11-13 02:12:33 -05:00
rodzic 1ceef12238
commit 8352eb6fa2
1 zmienionych plików z 30 dodań i 9 usunięć
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39
components/bt/bluedroid/bta/gatt/bta_gattc_utils.c
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@ -426,6 +426,25 @@ tBTA_GATTC_SERV *bta_gattc_srcb_alloc(BD_ADDR bda)
}
return p_tcb;
}
static void bta_gattc_remove_prepare_write_in_queue(tBTA_GATTC_CLCB *p_clcb)
{
assert(p_clcb != NULL);
for(list_node_t *sn = list_begin(p_clcb->p_cmd_list);
sn != list_end(p_clcb->p_cmd_list); sn = list_next(sn)) {
tBTA_GATTC_DATA *cmd_data = (tBTA_GATTC_DATA *)list_node(sn);
if (cmd_data != NULL && ((cmd_data->hdr.event == BTA_GATTC_API_WRITE_EVT &&
cmd_data->api_write.write_type == BTA_GATTC_WRITE_PREPARE) ||
cmd_data->hdr.event == BTA_GATTC_API_EXEC_EVT)) {
// remove the prepare write command in the command queue
list_remove(p_clcb->p_cmd_list, (void *)cmd_data);
}
}
return;
}
/*******************************************************************************
**
** Function bta_gattc_enqueue
@ -444,7 +463,7 @@ BOOLEAN bta_gattc_enqueue(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data)
} else if (p_data->hdr.event == BTA_GATTC_API_WRITE_EVT &&
p_data->api_write.write_type == BTA_GATTC_WRITE_PREPARE &&
p_data->api_write.handle == p_clcb->p_q_cmd->api_write.handle) {
APPL_TRACE_ERROR("There is a prepare write command still pending.");
bta_gattc_remove_prepare_write_in_queue (p_clcb);
tBTA_GATTC cb_data = {0};
cb_data.write.status = BTA_GATT_CONGESTED;
cb_data.write.handle = p_data->api_write.handle;
@ -454,12 +473,12 @@ BOOLEAN bta_gattc_enqueue(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data)
return FALSE;
}
else if (p_clcb->p_cmd_list) {
UINT16 len = 0;
tBTA_GATTC_DATA *cmd_data = NULL;
if (list_length(p_clcb->p_cmd_list) >= GATTC_COMMAND_QUEUE_SIZE_MAX) {
//APPL_TRACE_ERROR("%s(), the gattc command queue is full." __func__);
return FALSE;
}
UINT16 len = 0;
tBTA_GATTC_DATA *cmd_data = NULL;
if (list_length(p_clcb->p_cmd_list) >= GATTC_COMMAND_QUEUE_SIZE_MAX) {
APPL_TRACE_ERROR("%s(), the gattc command queue is full.", __func__);
return FALSE;
}
if (p_data->hdr.event == BTA_GATTC_API_WRITE_EVT) {
len = p_data->api_write.len;
@ -469,14 +488,16 @@ BOOLEAN bta_gattc_enqueue(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data)
cmd_data->api_write.p_value = (UINT8 *)(cmd_data + 1);
memcpy(cmd_data->api_write.p_value, p_data->api_write.p_value, len);
} else {
APPL_TRACE_ERROR("%s(), alloc fail, no memery.", __func__);
APPL_TRACE_ERROR("%s(), line = %d, alloc fail, no memery.", __func__, __LINE__);
return FALSE;
}
} else {
if ((cmd_data = (tBTA_GATTC_DATA *)osi_malloc(sizeof(tBTA_GATTC_DATA))) != NULL) {
memset(cmd_data, 0, sizeof(tBTA_GATTC_DATA));
memcpy(cmd_data, p_data, sizeof(tBTA_GATTC_DATA));
} else {
APPL_TRACE_ERROR("%s(), alloc fail, no memery.", __func__);
APPL_TRACE_ERROR("%s(), line = %d, alloc fail, no memery.", __func__, __LINE__);
return FALSE;
}
}