diff options
Diffstat (limited to 'stack/obx/obx_ssm.c')
| -rw-r--r-- | stack/obx/obx_ssm.c | 365 |
1 files changed, 0 insertions, 365 deletions
diff --git a/stack/obx/obx_ssm.c b/stack/obx/obx_ssm.c deleted file mode 100644 index 2e06404..0000000 --- a/stack/obx/obx_ssm.c +++ /dev/null @@ -1,365 +0,0 @@ -/***************************************************************************** -** -** Name: obx_ssm.c -** -** File: OBEX Server State Machine and Control Block Access Functions -** -** Copyright (c) 2003-2011, Broadcom Corp., All Rights Reserved. -** Broadcom Bluetooth Core. Proprietary and confidential. -** -*****************************************************************************/ -#include <string.h> - -#include "btu.h" /* for timer */ -#include "obx_int.h" - -/* OBEX Server Action Functions Enums (must match obx_sr_action [below] */ -enum -{ - OBX_SA_CLOSE_PORT, - OBX_SA_CONNECTION_ERROR, - OBX_SA_STATE, - OBX_SA_CONNECT_IND, - OBX_SA_WC_CONN_IND, - OBX_SA_NC_TO, - OBX_SA_CONNECT_RSP, - OBX_SA_AUTH_IND, - OBX_SA_SND_RSP, - OBX_SA_SAVE_REQ, - OBX_SA_SND_PART, - OBX_SA_REJ_REQ, - OBX_SA_ABORT_RSP, - OBX_SA_OP_RSP, - OBX_SA_GET_IND, - OBX_SA_GET_REQ, - OBX_SA_SESSION_IND, - OBX_SA_SESS_CONN_IND, - OBX_SA_WC_SESS_IND, - OBX_SA_SESSION_RSP, - OBX_SA_PUT_IND, - OBX_SA_SRM_PUT_REQ, - OBX_SA_SRM_PUT_RSP, - OBX_SA_SRM_GET_FCS, - OBX_SA_SRM_GET_RSP, - OBX_SA_SRM_GET_REQ, - OBX_SA_CLEAN_PORT -}; - -/* OBEX Server Action Functions */ -static const tOBX_SR_ACT obx_sr_action[] = -{ - obx_sa_close_port, - obx_sa_connection_error, - obx_sa_state, - obx_sa_connect_ind, - obx_sa_wc_conn_ind, - obx_sa_nc_to, - obx_sa_connect_rsp, - obx_sa_auth_ind, - obx_sa_snd_rsp, - obx_sa_save_req, - obx_sa_snd_part, - obx_sa_rej_req, - obx_sa_abort_rsp, - obx_sa_op_rsp, - obx_sa_get_ind, - obx_sa_get_req, - obx_sa_session_ind, - obx_sa_sess_conn_ind, - obx_sa_wc_sess_ind, - obx_sa_session_rsp, - obx_sa_put_ind, - obx_sa_srm_put_req, - obx_sa_srm_put_rsp, - obx_sa_srm_get_fcs, - obx_sa_srm_get_rsp, - obx_sa_srm_get_req, - obx_sa_clean_port -}; - -/************ OBX Server FSM State/Event Indirection Table **************/ -/* obx_ssm_event() first looks at obx_ssm_entry_map[][] to get an entry of the event of a particular state - * 0 means the event in the current state is ignored. - * a number with 0x80 bit set, use obx_sr_all_table[][] as the "state table". - * other numbers, look up obx_sr_main_state_table[] for the state table of current state. - * - * once the state table is determined, - * look up the "action" column to find the associated action function - * and the "next state" column to find the "next state" candidate. - * - * The actual next state could be either the state in the "next state" column - * or the state returned from the action function. - */ -static const UINT8 obx_ssm_entry_map[][OBX_SS_MAX-1] = -{ -/* state name: NtCon SesIn CntIn WtAut AutIn Conn DscIn StpIn ActIn AbtIn PutIn GetIn Put Get PutS GetS Part WtCls */ -/* CONN_R */{ 1, 0x82, 0x82, 1, 0x82, 0x86, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82 ,1 }, -/* SESS_R */{ 3, 0x82, 0x82, 0x82, 0x82, 0x88, 3, 0x85, 0x85, 0x85, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 1 ,3 }, -/* DISCNT_R */{ 0x86, 0x82, 0x82, 0x82, 0x82, 0x85, 0x82, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 1 ,0x86 }, -/* PUT_R */{ 0x86, 0x82, 0x82, 0x82, 0x82, 1, 0x87, 0x87, 0x87, 0x82, 0x87, 0x87, 1, 0x82, 1, 0x82, 0x82 ,0x86 }, -/* GET_R */{ 0x86, 0x82, 0x82, 0x82, 0x82, 2, 0x87, 0x87, 0x87, 0x82, 0x87, 0x87, 0x82, 1, 0x82, 1, 0x82 ,0x86 }, -/* SETPATH_R*/{ 0x86, 0x82, 0x82, 0x82, 0x82, 3, 0x87, 0x87, 0x87, 0x82, 0x87, 0x87, 0x82, 0x82, 0x82, 0x82, 0x82 ,0x86 }, -/* ACTION_R */{ 0x86, 0x82, 0x82, 0x82, 0x82, 4, 0x87, 0x87, 0x87, 0x82, 0x87, 0x87, 0x82, 0x82, 0x82, 0x82, 0x82 ,0x86 }, -/* ABORT_R */{ 0x86, 0x82, 0x82, 0x82, 0x82, 0x86, 0x82, 0x82, 0x82, 0x82, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 1 ,0x86 }, -/* CONN_C */{ 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ,0 }, -/* SESS_C */{ 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ,0 }, -/* DISCNT_C */{ 0, 0x82, 0x82, 0x82, 0x82, 0x82, 1, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82 ,0 }, -/* PUT_C */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 2, 0, 0 ,0 }, -/* GET_C */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 2, 0 ,0 }, -/* SETPATH_C*/{ 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 ,0 }, -/* ACTION_C */{ 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0 ,0 }, -/* ABORT_C */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0 ,0 }, -/* PORT_CLS */{ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83 ,0x83 }, -/* FCS_SET */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 2 ,0 }, -/* STATE */{ 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84 ,0x84 }, -/* TIMEOUT */{ 2, 0, 0, 2, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ,2 }, -/* BAD_REQ */{ 0x86, 0x82, 0x82, 0x82, 0x82, 0x86, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82 ,0x86 }, -/* TX_EMPTY */{ 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ,0 } -}; - -static const UINT8 obx_sr_all_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* ABORT_R */{OBX_SM_NO_ACTION, OBX_SS_ABORT_INDICATED }, -/* misc */{OBX_SA_CLOSE_PORT, OBX_SS_NOT_CONNECTED }, -/* PORT_CLS */{OBX_SA_CONNECTION_ERROR, OBX_SS_NOT_CONNECTED }, -/* STATE */{OBX_SA_STATE, OBX_SS_NULL }, -/* DISCNT_R */{OBX_SM_NO_ACTION, OBX_SS_DISCNT_INDICATED }, -/* misc */{OBX_SA_REJ_REQ, OBX_SS_NULL }, -/* illegalop*/{OBX_SA_CLEAN_PORT, OBX_SS_NOT_CONNECTED }, -/* SESS_R */{OBX_SA_SESSION_IND, OBX_SS_SESS_INDICATED } -}; - -static const UINT8 obx_sr_not_conn_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* CONN_R */{OBX_SA_CONNECT_IND, OBX_SS_CONN_INDICATED }, -/* TIMEOUT */{OBX_SA_NC_TO, OBX_SS_NOT_CONNECTED}, -/* SESS_R */{OBX_SA_SESS_CONN_IND, OBX_SS_SESS_INDICATED } -}; - -static const UINT8 obx_sr_connect_ind_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* CONN_C */{OBX_SA_CONNECT_RSP, OBX_SS_CONNECTED } -}; - -static const UINT8 obx_sr_session_ind_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* SESS_R */{OBX_SA_SESSION_RSP, OBX_SS_NOT_CONNECTED } -}; - -static const UINT8 obx_sr_wait_auth_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* CONN_R */{OBX_SA_AUTH_IND, OBX_SS_AUTH_INDICATED }, -/* TIMEOUT */{OBX_SA_CLOSE_PORT, OBX_SS_NOT_CONNECTED} -}; - -static const UINT8 obx_sr_conn_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* PUT_R */{OBX_SA_PUT_IND, OBX_SS_PUT_INDICATED }, -/* GET_R */{OBX_SA_GET_IND, OBX_SS_GET_INDICATED }, -/* SETPATH_R*/{OBX_SM_NO_ACTION, OBX_SS_SETPATH_INDICATED }, -/* ACTION_R */{OBX_SM_NO_ACTION, OBX_SS_ACTION_INDICATED } -}; - -static const UINT8 obx_sr_disconnect_ind_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* DISCNT_C */{OBX_SA_SND_RSP, OBX_SS_WAIT_CLOSE }, -/* TIMEOUT */{OBX_SA_CLOSE_PORT, OBX_SS_NOT_CONNECTED}, -/* SESS_R */{OBX_SA_SESSION_IND, OBX_SS_DISCNT_INDICATED} -}; - -static const UINT8 obx_sr_setpath_ind_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* SETPATH_C*/{OBX_SA_SND_RSP, OBX_SS_CONNECTED } -}; - -static const UINT8 obx_sr_abort_ind_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* GET/PUT_C*/{OBX_SA_OP_RSP, OBX_SS_ABORT_INDICATED }, -/* ABORT_C */{OBX_SA_ABORT_RSP, OBX_SS_CONNECTED } -}; - -static const UINT8 obx_sr_put_ind_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* PUT_C */{OBX_SA_SND_RSP, OBX_SS_PUT_TRANSACTION } -}; - -static const UINT8 obx_sr_get_ind_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* GET_C */{OBX_SA_SND_RSP, OBX_SS_GET_TRANSACTION } -}; - -static const UINT8 obx_sr_put_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* PUT_R */{OBX_SM_NO_ACTION, OBX_SS_PUT_INDICATED } -}; - -static const UINT8 obx_sr_get_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* GET_R */{OBX_SA_GET_REQ, OBX_SS_GET_INDICATED } -}; - -static const UINT8 obx_sr_put_s_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* PUT_R */{OBX_SA_SRM_PUT_REQ, OBX_SS_PUT_SRM }, -/* PUT_C */{OBX_SA_SRM_PUT_RSP, OBX_SS_PUT_SRM } -}; - -static const UINT8 obx_sr_get_s_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* GET_R */{OBX_SA_SRM_GET_REQ, OBX_SS_GET_SRM }, -/* GET_C */{OBX_SA_SRM_GET_RSP, OBX_SS_GET_SRM }, -/* FCS_SET */{OBX_SA_SRM_GET_FCS, OBX_SS_GET_SRM } -}; - -static const UINT8 obx_sr_part_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* ABORT_R */{OBX_SA_SAVE_REQ, OBX_SS_NULL },/* and DISCNT_R */ -/* FCS_SET */{OBX_SA_SND_PART, OBX_SS_NULL } -}; - -static const UINT8 obx_sr_wait_close_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* CONN_R */{OBX_SA_WC_CONN_IND, OBX_SS_CONN_INDICATED }, -/* TIMEOUT */{OBX_SA_NC_TO, OBX_SS_NOT_CONNECTED}, -/* SESS_R */{OBX_SA_WC_SESS_IND, OBX_SS_SESS_INDICATED } -}; - -static const tOBX_SM_TBL obx_sr_main_state_table[] = { - obx_sr_not_conn_table, - obx_sr_session_ind_table, - obx_sr_connect_ind_table, - obx_sr_wait_auth_table, - obx_sr_connect_ind_table, /* same table for auth ind */ - obx_sr_conn_table, - obx_sr_disconnect_ind_table, - obx_sr_setpath_ind_table, - obx_sr_setpath_ind_table, /* same action table for action_ind */ - obx_sr_abort_ind_table, - obx_sr_put_ind_table, - obx_sr_get_ind_table, - obx_sr_put_table, - obx_sr_get_table, - obx_sr_put_s_table, - obx_sr_get_s_table, - obx_sr_part_table, - obx_sr_wait_close_table -}; - -/******************************************************************************* -** -** Function obx_ssm_event -** -** Description Handle events to the server state machine. It looks up the entry -** in the obx_ssm_entry_map array. If it is a valid entry, it gets -** the state table.Set the next state, if not NULL state.Execute -** the action function according to the state table. If the state -** returned by action function is not NULL state, adjust the new -** state to the returned state.If (api_evt != MAX), call callback -** function. -** -** Returns void. -** -*******************************************************************************/ -void obx_ssm_event(tOBX_SR_SESS_CB *p_scb, tOBX_SR_EVENT event, BT_HDR *p_msg) -{ - UINT8 curr_state = p_scb->state; - tOBX_SM_TBL state_table; - UINT8 action, entry; - tOBX_SR_STATE act_state = OBX_SS_NULL; - UINT8 *p_data; - UINT16 len; - BT_HDR *p_dummy; - tOBX_EVENT api_evt; - tOBX_SR_CB *p_cb; -#if 0 - UINT8 srm; -#endif - - if( curr_state == OBX_SS_NULL || curr_state >= OBX_SS_MAX) - { - OBX_TRACE_WARNING1( "Invalid state: %d", curr_state) ; - if(p_msg) - GKI_freebuf(p_msg); - return; - } - - OBX_TRACE_DEBUG6( "For Server SHandle 0x%x, State: %s, Event: %s/%d srm:0x%x ssn:%d", - p_scb->ll_cb.comm.handle, obx_sr_get_state_name( p_scb->state ), - obx_sr_get_event_name(event), event, p_scb->srm, p_scb->ssn ) ; - - /* look up the state table for the current state */ - /* lookup entry /w event & curr_state */ - /* If entry is ignore, return. - * Otherwise, get state table (according to curr_state or all_state) */ - /* coverity [index_parm] */ - if( (entry = obx_ssm_entry_map[event][curr_state-1]) != OBX_SM_IGNORE ) - { - if(entry&OBX_SM_ALL) - { - entry &= OBX_SM_ENTRY_MASK; - state_table = obx_sr_all_table; - } - else - state_table = obx_sr_main_state_table[curr_state-1]; - } - else - { - OBX_TRACE_WARNING2( "Ignore event %d in state %d", event, curr_state ); - if(p_msg) - GKI_freebuf(p_msg); - return; - } - - /* Get possible next state from state table. */ - if( state_table[entry-1][OBX_SME_NEXT_STATE] != OBX_CS_NULL ) - p_scb->state = state_table[entry-1][OBX_SME_NEXT_STATE]; - p_scb->prev_state = curr_state; - OBX_TRACE_DEBUG3( "possible new state = %s/%s/%d", - obx_sr_get_state_name(p_scb->state), obx_sr_get_state_name( p_scb->prev_state ), p_scb->prev_state) ; - - /* If action is not ignore, clear param, exec action and get next state. - * The action function may set the Param for cback. - * Depending on param, call cback or free buffer. */ - /* execute action */ - action = state_table[entry-1][OBX_SME_ACTION]; - if (action != OBX_SM_NO_ACTION) - { - act_state = (*obx_sr_action[action])(p_scb, p_msg); - } - - /* adjust next state, if it needs to use the new state returned from action function */ - if( act_state != OBX_CS_NULL) - { - p_scb->state = act_state; - OBX_TRACE_DEBUG1( "new state = %s (action)", obx_sr_get_state_name( p_scb->state ) ) ; - } - - if(p_scb->api_evt) - { - api_evt = p_scb->api_evt; - p_scb->api_evt = OBX_NULL_EVT; - /* we do not want the operation to be challenged by the client */ - if( event <= OBX_SEVT_MAX_REQ && event != OBX_CONNECT_REQ_SEVT && - OBX_ReadByteStrHdr(p_msg, OBX_HI_CHALLENGE, &p_data, &len, 0) == TRUE) - { - /* send bad request response */ - p_dummy = obx_build_dummy_rsp(p_scb, OBX_RSP_BAD_REQUEST); - event += OBX_SEVT_DIFF_REQ_CFM; - obx_ssm_event(p_scb, event, p_dummy); - GKI_freebuf(p_msg); - } - else - { - p_cb = &obx_cb.server[p_scb->handle - 1]; - (p_cb->p_cback) (p_scb->ll_cb.comm.handle, api_evt, p_scb->param, p_msg); - } - memset(&p_scb->param, 0, sizeof (p_scb->param) ); - } - else if(action == OBX_SM_NO_ACTION && p_msg) - GKI_freebuf(p_msg); - - - OBX_TRACE_DEBUG2( "result state = %s ssn:%d", obx_sr_get_state_name( p_scb->state ), p_scb->ssn ) ; -} - - |