int sap_status_ind(void *sap_device, uint8_t status_change)
{
struct sap_connection *conn = sap_device;
char buf[SAP_BUF_SIZE];
struct sap_message *msg = (struct sap_message *) buf;
struct sap_parameter *param = (struct sap_parameter *) msg->param;
size_t size = sizeof(struct sap_message);
if (!conn)
return -EINVAL;
DBG("state %d pr 0x%02x sc 0x%02x", conn->state, conn->processing_req,
status_change);
/* Might be need to change state to connected after ongoing call.*/
if (conn->state == SAP_STATE_CONNECT_MODEM_BUSY &&
status_change == SAP_STATUS_CHANGE_CARD_RESET)
sap_set_connected(conn);
if (conn->state != SAP_STATE_CONNECTED &&
conn->state != SAP_STATE_GRACEFUL_DISCONNECT)
return 0;
memset(buf, 0, sizeof(buf));
msg->id = SAP_STATUS_IND;
msg->nparam = 0x01;
/* Add status change. */
param->id = SAP_PARAM_ID_STATUS_CHANGE;
param->len = htons(SAP_PARAM_ID_STATUS_CHANGE_LEN);
*param->val = status_change;
size += PARAMETER_SIZE(SAP_PARAM_ID_STATUS_CHANGE_LEN);
return send_message(sap_device, buf, size);
}
int sap_connect_rsp(void *sap_device, uint8_t status)
{
struct sap_server *server = sap_device;
struct sap_connection *conn = server->conn;
char buf[SAP_BUF_SIZE];
struct sap_message *msg = (struct sap_message *) buf;
struct sap_parameter *param = (struct sap_parameter *) msg->param;
size_t size = sizeof(struct sap_message);
if (!conn)
return -EINVAL;
DBG("state %d pr 0x%02x status 0x%02x", conn->state,
conn->processing_req, status);
if (conn->state != SAP_STATE_CONNECT_IN_PROGRESS)
return -EPERM;
memset(buf, 0, sizeof(buf));
msg->id = SAP_CONNECT_RESP;
msg->nparam = 0x01;
/* Add connection status */
param->id = SAP_PARAM_ID_CONN_STATUS;
param->len = htons(SAP_PARAM_ID_CONN_STATUS_LEN);
*param->val = status;
size += PARAMETER_SIZE(SAP_PARAM_ID_CONN_STATUS_LEN);
switch (status) {
case SAP_STATUS_OK:
sap_set_connected(server);
break;
case SAP_STATUS_OK_ONGOING_CALL:
DBG("ongoing call. Wait for reset indication!");
conn->state = SAP_STATE_CONNECT_MODEM_BUSY;
break;
case SAP_STATUS_MAX_MSG_SIZE_NOT_SUPPORTED: /* Add MaxMsgSize */
msg->nparam++;
param = (struct sap_parameter *) &buf[size];
param->id = SAP_PARAM_ID_MAX_MSG_SIZE;
param->len = htons(SAP_PARAM_ID_MAX_MSG_SIZE_LEN);
put_be16(SAP_BUF_SIZE, ¶m->val);
size += PARAMETER_SIZE(SAP_PARAM_ID_MAX_MSG_SIZE_LEN);
/* fall */
default:
conn->state = SAP_STATE_DISCONNECTED;
/* Timer will shutdown channel if client doesn't send
* CONNECT_REQ or doesn't shutdown channel itself.*/
start_guard_timer(server, SAP_TIMER_NO_ACTIVITY);
break;
}
conn->processing_req = SAP_NO_REQ;
return send_message(conn, buf, size);
}
int sap_connect_rsp(void *sap_device, uint8_t status, uint16_t maxmsgsize)
{
struct sap_connection *conn = sap_device;
char buf[SAP_BUF_SIZE];
struct sap_message *msg = (struct sap_message *) buf;
struct sap_parameter *param = (struct sap_parameter *) msg->param;
size_t size = sizeof(struct sap_message);
if (!conn)
return -EINVAL;
DBG("state %d pr 0x%02x status 0x%02x", conn->state,
conn->processing_req, status);
if (conn->state != SAP_STATE_CONNECT_IN_PROGRESS)
return -EPERM;
memset(buf, 0, sizeof(buf));
msg->id = SAP_CONNECT_RESP;
msg->nparam = 0x01;
/* Add connection status */
param->id = SAP_PARAM_ID_CONN_STATUS;
param->len = htons(SAP_PARAM_ID_CONN_STATUS_LEN);
*param->val = status;
size += PARAMETER_SIZE(SAP_PARAM_ID_CONN_STATUS_LEN);
/* Add MaxMsgSize */
if (maxmsgsize) {
uint16_t *len;
msg->nparam++;
param = (struct sap_parameter *) &buf[size];
param->id = SAP_PARAM_ID_MAX_MSG_SIZE;
param->len = htons(SAP_PARAM_ID_MAX_MSG_SIZE_LEN);
len = (uint16_t *) ¶m->val;
*len = htons(maxmsgsize);
size += PARAMETER_SIZE(SAP_PARAM_ID_MAX_MSG_SIZE_LEN);
}
if (status == SAP_STATUS_OK) {
sap_set_connected(conn);
} else if (status == SAP_STATUS_OK_ONGOING_CALL) {
DBG("ongoing call. Wait for reset indication!");
conn->state = SAP_STATE_CONNECT_MODEM_BUSY;
} else {
conn->state = SAP_STATE_DISCONNECTED;
/* Timer will shutdown channel if client doesn't send
* CONNECT_REQ or doesn't shutdown channel itself.*/
start_guard_timer(conn, SAP_TIMER_NO_ACTIVITY);
}
conn->processing_req = SAP_NO_REQ;
return send_message(sap_device, buf, size);
}
int sap_status_ind(void *sap_device, uint8_t status_change)
{
struct sap_server *server = sap_device;
struct sap_connection *conn = server->conn;
char buf[SAP_BUF_SIZE];
struct sap_message *msg = (struct sap_message *) buf;
struct sap_parameter *param = (struct sap_parameter *) msg->param;
size_t size = sizeof(struct sap_message);
if (!conn)
return -EINVAL;
DBG("state %d pr 0x%02x sc 0x%02x", conn->state, conn->processing_req,
status_change);
switch (conn->state) {
case SAP_STATE_CONNECT_MODEM_BUSY:
if (status_change != SAP_STATUS_CHANGE_CARD_RESET)
break;
/* Change state to connected after ongoing call ended */
sap_set_connected(server);
/* fall */
case SAP_STATE_CONNECTED:
case SAP_STATE_GRACEFUL_DISCONNECT:
memset(buf, 0, sizeof(buf));
msg->id = SAP_STATUS_IND;
msg->nparam = 0x01;
/* Add status change. */
param->id = SAP_PARAM_ID_STATUS_CHANGE;
param->len = htons(SAP_PARAM_ID_STATUS_CHANGE_LEN);
*param->val = status_change;
size += PARAMETER_SIZE(SAP_PARAM_ID_STATUS_CHANGE_LEN);
return send_message(conn, buf, size);
case SAP_STATE_DISCONNECTED:
case SAP_STATE_CONNECT_IN_PROGRESS:
case SAP_STATE_IMMEDIATE_DISCONNECT:
case SAP_STATE_CLIENT_DISCONNECT:
break;
}
return 0;
}
