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/*
* SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <string.h>
#include "osi/osi.h"
#include "osi/allocator.h"
#include "common/bt_target.h"
#include "stack/obex_api.h"
#include "stack/goep_common.h"
#include "stack/goepc_api.h"
#include "goep_int.h"
#if (GOEPC_INCLUDED == TRUE)
/*******************************************************************************
**
** Function GOEPC_Init
**
** Description Initialize GOEP Client role, must call before using any
** other GOEPC APIs
**
** Returns GOEP_SUCCESS if successful, otherwise failed
**
*******************************************************************************/
UINT16 GOEPC_Init(void)
{
#if (GOEP_DYNAMIC_MEMORY)
if (!goepc_cb_ptr) {
goepc_cb_ptr = (tGOEPC_CB *)osi_malloc(sizeof(tGOEPC_CB));
if (!goepc_cb_ptr) {
return GOEP_NO_RESOURCES;
}
}
#endif /* #if (GOEP_DYNAMIC_MEMORY) */
memset(&goepc_cb, 0, sizeof(tGOEPC_CB));
goepc_cb.trace_level = BT_TRACE_LEVEL_ERROR;
return GOEP_SUCCESS;
}
/*******************************************************************************
**
** Function GOEPC_Deinit
**
** Description Deinit GOEP Client role, once deinit, can not use any other
** GOEPC APIs until call GOEPC_Init again
**
*******************************************************************************/
void GOEPC_Deinit(void)
{
#if (GOEP_DYNAMIC_MEMORY)
if (goepc_cb_ptr) {
osi_free(goepc_cb_ptr);
goepc_cb_ptr = NULL;
}
#endif /* #if (GOEP_DYNAMIC_MEMORY) */
}
/*******************************************************************************
**
** Function GOEPC_Open
**
** Description Start the progress to establish a GOEP connection to server
**
** Returns GOEP_SUCCESS if successful, otherwise failed, when the
** connection is established, GOEPC_OPENED_EVT will come
**
*******************************************************************************/
UINT16 GOEPC_Open(tOBEX_SVR_INFO *svr, tGOEPC_EVT_CBACK callback, UINT16 *out_handle)
{
UINT16 ret = GOEP_SUCCESS;
tGOEPC_CCB *p_ccb = NULL;
do {
/* check parameter, allow out_handle to be NULL */
if (svr == NULL || callback == NULL) {
ret = GOEP_INVALID_PARAM;
break;
}
p_ccb = goepc_allocate_ccb();
if (p_ccb == NULL) {
ret = GOEP_NO_RESOURCES;
break;
}
if (OBEX_CreateConn(svr, goepc_obex_callback, &p_ccb->obex_handle) != OBEX_SUCCESS) {
ret = GOEP_TL_ERROR;
break;
}
/* success */
p_ccb->callback = callback;
p_ccb->state = GOEPC_STATE_OPENING;
if (out_handle) {
*out_handle = p_ccb->allocated;
}
} while (0);
if (ret != GOEP_SUCCESS && p_ccb != NULL) {
goepc_free_ccb(p_ccb);
}
return ret;
}
/*******************************************************************************
**
** Function GOEPC_Close
**
** Description Close a GOEP connection immediately
**
** Returns GOEP_SUCCESS if successful, otherwise failed
**
*******************************************************************************/
UINT16 GOEPC_Close(UINT16 handle)
{
tGOEPC_CCB *p_ccb = NULL;
UINT16 ccb_idx = handle - 1;
if (ccb_idx >= GOEPC_MAX_CONNECTION || !goepc_cb.ccb[ccb_idx].allocated) {
return GOEP_BAD_HANDLE;
}
p_ccb = &goepc_cb.ccb[ccb_idx];
if (p_ccb->obex_handle) {
OBEX_RemoveConn(p_ccb->obex_handle);
}
goepc_free_ccb(p_ccb);
return GOEP_SUCCESS;
}
/*******************************************************************************
**
** Function GOEPC_SendRequest
**
** Description Send the prepared request packet to server
**
** Returns GOEP_SUCCESS if successful, otherwise failed
**
*******************************************************************************/
UINT16 GOEPC_SendRequest(UINT16 handle)
{
UINT16 ret = GOEP_SUCCESS;
tGOEPC_CCB *p_ccb = NULL;
BOOLEAN final = FALSE;
do {
UINT16 ccb_idx = handle - 1;
if (ccb_idx >= GOEPC_MAX_CONNECTION || !goepc_cb.ccb[ccb_idx].allocated) {
ret = GOEP_BAD_HANDLE;
break;
}
p_ccb = &goepc_cb.ccb[ccb_idx];
if (p_ccb->pkt == NULL) {
ret = GOEP_INVALID_STATE;
break;
}
final = OBEX_CheckFinalBit(p_ccb->pkt);
/* check whether state machine allow this operation */
if (!goepc_check_obex_req_allow(p_ccb->state, final)) {
ret = GOEP_INVALID_STATE;
break;
}
if (p_ccb->congest) {
ret = GOEP_CONGEST;
break;
}
/* execute srm state machine */
goepc_srm_sm_execute(p_ccb, TRUE, p_ccb->pkt_srm_en, p_ccb->pkt_srm_wait);
tGOEPC_DATA data;
data.pkt = p_ccb->pkt;
p_ccb->last_pkt_opcode = p_ccb->curr_pkt_opcode;
p_ccb->pkt = NULL;
p_ccb->pkt_srm_en = FALSE;
p_ccb->pkt_srm_wait = FALSE;
/* execute main state machine */
if (final) {
goepc_sm_execute(p_ccb, GOEPC_SM_EVENT_REQ_FB, &data);
}
else {
goepc_sm_execute(p_ccb, GOEPC_SM_EVENT_REQ, &data);
}
/* since goepc_sm_execute may free ccb, can not access ccb here */
} while (0);
return ret;
}
/*******************************************************************************
**
** Function GOEPC_PrepareRequest
**
** Description Prepare a request packet, packet will be store internally
**
** Returns GOEP_SUCCESS if successful, otherwise failed
**
*******************************************************************************/
UINT16 GOEPC_PrepareRequest(UINT16 handle, tOBEX_PARSE_INFO *info, UINT16 buff_size)
{
UINT16 ret = GOEP_SUCCESS;
tGOEPC_CCB *p_ccb = NULL;
BT_HDR *pkt = NULL;
do {
UINT16 ccb_idx = handle - 1;
if (ccb_idx >= GOEPC_MAX_CONNECTION || !goepc_cb.ccb[ccb_idx].allocated) {
ret = GOEP_BAD_HANDLE;
break;
}
p_ccb = &goepc_cb.ccb[ccb_idx];
if (info == NULL || buff_size < OBEX_MIN_PACKET_SIZE) {
ret = GOEP_INVALID_PARAM;
break;
}
if (p_ccb->pkt != NULL) {
ret = GOEP_INVALID_STATE;
break;
}
if (!goepc_check_obex_req_param(info)) {
ret = GOEP_INVALID_PARAM;
break;
}
if (OBEX_BuildRequest(info, buff_size, &pkt) != OBEX_SUCCESS) {
ret = GOEP_NO_RESOURCES;
break;
}
p_ccb->curr_pkt_opcode = info->opcode;
p_ccb->pkt = pkt;
} while (0);
return ret;
}
/*******************************************************************************
**
** Function GOEPC_DropRequest
**
** Description Drop the prepared internal request packet
**
** Returns GOEP_SUCCESS if successful, otherwise failed
**
*******************************************************************************/
UINT16 GOEPC_DropRequest(UINT16 handle)
{
UINT16 ccb_idx = handle - 1;
if (ccb_idx >= GOEPC_MAX_CONNECTION || !goepc_cb.ccb[ccb_idx].allocated) {
return GOEP_BAD_HANDLE;
}
tGOEPC_CCB *p_ccb = &goepc_cb.ccb[ccb_idx];
if (p_ccb->pkt == NULL) {
return GOEP_INVALID_STATE;
}
osi_free(p_ccb->pkt);
p_ccb->pkt = NULL;
p_ccb->pkt_srm_en = FALSE;
p_ccb->pkt_srm_wait = FALSE;
return GOEP_SUCCESS;
}
/*******************************************************************************
**
** Function GOEPC_RequestSetSRM
**
** Description Modify the prepared internal request packet, append SRM header
** or SRMP header
**
** Returns GOEP_SUCCESS if successful, otherwise failed
**
*******************************************************************************/
UINT16 GOEPC_RequestSetSRM(UINT16 handle, BOOLEAN srm_en, BOOLEAN srm_wait)
{
UINT16 ret = GOEP_SUCCESS;
tGOEPC_CCB *p_ccb = NULL;
do {
UINT16 ccb_idx = handle - 1;
if (ccb_idx >= GOEPC_MAX_CONNECTION || !goepc_cb.ccb[ccb_idx].allocated) {
ret = GOEP_BAD_HANDLE;
break;
}
p_ccb = &goepc_cb.ccb[ccb_idx];
if (!srm_en && !srm_wait) {
ret = GOEP_INVALID_PARAM;
break;
}
if (p_ccb->pkt == NULL) {
ret = GOEP_INVALID_STATE;
break;
}
if (srm_en) {
if (OBEX_AppendHeaderSRM(p_ccb->pkt, OBEX_SRM_ENABLE) == OBEX_SUCCESS) {
p_ccb->pkt_srm_en = TRUE;
}
else {
ret = GOEP_NO_RESOURCES;
break;
}
}
if (srm_wait) {
if (OBEX_AppendHeaderSRMP(p_ccb->pkt, OBEX_SRMP_WAIT) == OBEX_SUCCESS) {
p_ccb->pkt_srm_wait = TRUE;
}
else {
ret = GOEP_NO_RESOURCES;
break;
}
}
} while (0);
return ret;
}
/*******************************************************************************
**
** Function GOEPC_RequestAddHeader
**
** Description Modify the prepared internal request packet, append header
**
** Returns GOEP_SUCCESS if successful, otherwise failed
**
*******************************************************************************/
UINT16 GOEPC_RequestAddHeader(UINT16 handle, UINT8 header_id, const UINT8 *data, UINT16 data_len)
{
UINT16 ret = GOEP_SUCCESS;
tGOEPC_CCB *p_ccb = NULL;
do {
UINT16 ccb_idx = handle - 1;
if (ccb_idx >= GOEPC_MAX_CONNECTION || !goepc_cb.ccb[ccb_idx].allocated) {
ret = GOEP_BAD_HANDLE;
break;
}
p_ccb = &goepc_cb.ccb[ccb_idx];
if (p_ccb->pkt == NULL) {
ret = GOEP_INVALID_STATE;
break;
}
if ((data == NULL && data_len != 0) || (data != NULL && data_len == 0)) {
ret = GOEP_INVALID_PARAM;
break;
}
if (OBEX_AppendHeaderRaw(p_ccb->pkt, header_id, data, data_len) != OBEX_SUCCESS) {
ret = GOEP_NO_RESOURCES;
break;
}
} while (0);
return ret;
}
#endif /* #if (GOEPC_INCLUDED == TRUE) */
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