diff options
Diffstat (limited to 'stack/obx/obx_csm.c')
| -rw-r--r-- | stack/obx/obx_csm.c | 365 |
1 files changed, 0 insertions, 365 deletions
diff --git a/stack/obx/obx_csm.c b/stack/obx/obx_csm.c deleted file mode 100644 index 25447df..0000000 --- a/stack/obx/obx_csm.c +++ /dev/null @@ -1,365 +0,0 @@ -/***************************************************************************** -** -** Name: obx_csm.c -** -** File: OBEX Client State Machine and Control Block Access Functions -** -** Copyright (c) 2003-2009, Broadcom Corp., All Rights Reserved. -** WIDCOMM Bluetooth Core. Proprietary and confidential. -** -*****************************************************************************/ -#include <string.h> -#include "bt_target.h" -#include "btu.h" /* for timer */ -#include "obx_int.h" - -/* OBEX Client Action Functions Enums (must match obx_cl_action [below] */ -enum -{ - OBX_CA_SND_REQ, - OBX_CA_NOTIFY, - OBX_CA_CONNECT_ERROR, - OBX_CA_STATE, - OBX_CA_CLOSE_PORT, - OBX_CA_CONNECT_FAIL, - OBX_CA_DISCNT_REQ, - OBX_CA_START_TIMER, - OBX_CA_FAIL_RSP, - OBX_CA_SND_PART, - OBX_CA_CONNECT_OK, - OBX_CA_SESSION_OK, - OBX_CA_SESSION_CONT, - OBX_CA_SESSION_GET, - OBX_CA_SESSION_FAIL, - OBX_CA_ABORT, - OBX_CA_SND_PUT_REQ, - OBX_CA_SND_GET_REQ, - OBX_CA_SRM_SND_REQ, - OBX_CA_SRM_PUT_REQ, - OBX_CA_SRM_GET_REQ, - OBX_CA_SRM_PUT_NOTIFY, - OBX_CA_SRM_GET_NOTIFY, - OBX_CA_SAVE_RSP, - OBX_CA_SAVE_REQ -}; - -/* OBEX Client Action Functions */ -static const tOBX_CL_ACT obx_cl_action[] = -{ - obx_ca_snd_req, - obx_ca_notify, - obx_ca_connect_error, - obx_ca_state, - obx_ca_close_port, - obx_ca_connect_fail, - obx_ca_discnt_req, - obx_ca_start_timer, - obx_ca_fail_rsp, - obx_ca_snd_part, - obx_ca_connect_ok, - obx_ca_session_ok, - obx_ca_session_cont, - obx_ca_session_get, - obx_ca_session_fail, - obx_ca_abort, - obx_ca_snd_put_req, - obx_ca_snd_get_req, - obx_ca_srm_snd_req, - obx_ca_srm_put_req, - obx_ca_srm_get_req, - obx_ca_srm_put_notify, - obx_ca_srm_get_notify, - obx_ca_save_rsp, - obx_ca_save_req -}; - -/************ OBX Client FSM State/Event Indirection Table **************/ -/* obx_csm_event() first looks at obx_csm_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_cl_all_table[][] as the "state table". - * other numbers, look up obx_cl_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_csm_entry_map[][OBX_CS_MAX-1] = -{ -/* state name: NtCon SesRs ConRs UnAut Conn DscRs OpUna StpRs ActRs AbtRs PutRs GetRs Put Get PutS GetS Part */ -/* CONN_R */{ 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, -/* SESS_R */{ 2, 0, 0, 0, 5, 0, 0, 0, 0, 0, 2, 2, 2, 2, 5, 5, 1 }, -/* DISCNT_R */{ 0, 0x87, 2, 0x87, 0x81, 0x87, 0x87, 0x81, 0x81, 0x81, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87 }, -/* PUT_R */{ 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 2, 0, 0 }, -/* GET_R */{ 0, 3, 0, 0, 2, 0, 2, 0, 0, 0, 0, 0, 0, 1, 0, 2, 0 }, -/* SETPATH_R*/{ 0, 0, 0, 0, 3, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, -/* ACT_R */{ 0, 0, 0, 0, 6, 0, 5, 0, 0, 0, 0x82, 0x82, 0x82, 0x82, 3, 3, 1 }, -/* ABORT_R */{ 0, 0, 0, 0, 4, 0, 4, 0, 0, 0, 0x82, 0x82, 0x82, 0x82, 3, 3, 1 }, -/* OK_C */{ 0, 1, 3, 0, 0, 1, 0, 0x83, 0x83, 0x83, 0x83, 0x83, 0, 0, 0x83, 0x83, 3 }, -/* CONT_C */{ 0, 2, 0, 0, 0, 2, 0, 0, 0, 1, 1, 1, 0, 0, 4, 4, 3 }, -/* FAIL_C */{ 0, 4, 1, 0, 0, 0x87, 0, 0x86, 0x86, 2, 0x86, 0x86, 0, 0, 0x86, 0x86, 3 }, -/* PORT_CLS */{ 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84 }, -/* TX_EMPTY */{ 0x87, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, -/* FCS_SET */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2 }, -/* STATE */{ 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85 }, -/* TIMEOUT */{ 3, 2, 0x87, 0, 0, 0x87, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } -}; - -static const UINT8 obx_cl_all_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* DISCNT_R */{OBX_CA_SND_REQ, OBX_CS_DISCNT_REQ_SENT }, -/* ABORT_R */{OBX_CA_SND_REQ, OBX_CS_ABORT_REQ_SENT }, -/* OK_C */{OBX_CA_NOTIFY, OBX_CS_NULL }, -/* PORT_CLS */{OBX_CA_CONNECT_ERROR, OBX_CS_NOT_CONNECTED }, -/* STATE */{OBX_CA_STATE, OBX_CS_NULL }, -/* FAIL_C */{OBX_CA_FAIL_RSP, OBX_CS_NULL }, -/* end */{OBX_CA_CLOSE_PORT, OBX_CS_NOT_CONNECTED } -}; - -static const UINT8 obx_cl_not_conn_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* CONN_R */{OBX_CA_SND_REQ, OBX_CS_CONNECT_REQ_SENT }, -/* SESS_R */{OBX_CA_SND_REQ, OBX_CS_SESSION_REQ_SENT }, -/* TIMEOUT */{OBX_CA_SESSION_FAIL, OBX_CS_NOT_CONNECTED } -}; - -static const UINT8 obx_cl_sess_rs_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* OK_C */{OBX_CA_SESSION_OK, OBX_CS_NOT_CONNECTED }, -/* CONT_C */{OBX_CA_SESSION_CONT, OBX_CS_SESSION_REQ_SENT }, -/* GET_R */{OBX_CA_SESSION_GET, OBX_CS_SESSION_REQ_SENT }, -/* FAIL_C */{OBX_CA_SESSION_FAIL, OBX_CS_NOT_CONNECTED } -}; - -static const UINT8 obx_cl_conn_rs_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* FAIL_C */{OBX_CA_CONNECT_FAIL, OBX_CS_UNAUTH }, -/* DISCNT_R */{OBX_CA_DISCNT_REQ, OBX_CS_NULL }, -/* OK_C */{OBX_CA_CONNECT_OK, OBX_CS_NULL } -}; - -static const UINT8 obx_cl_unauth_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* CONN_R */{OBX_CA_SND_REQ, OBX_CS_CONNECT_REQ_SENT } -}; - -static const UINT8 obx_cl_conn_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* PUT_R */{OBX_CA_SND_PUT_REQ, OBX_CS_PUT_REQ_SENT }, -/* GET_R */{OBX_CA_SND_GET_REQ, OBX_CS_GET_REQ_SENT }, -/* SETPATH_R*/{OBX_CA_SND_REQ, OBX_CS_SETPATH_REQ_SENT }, -/* ABORT_R */{OBX_CA_ABORT, OBX_CS_CONNECTED }, -/* SESS_R */{OBX_CA_SND_REQ, OBX_CS_SESSION_REQ_SENT }, -/* ACT_R */{OBX_CA_SND_REQ, OBX_CS_ACTION_REQ_SENT } -}; - -static const UINT8 obx_cl_discnt_rs_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* OK_C */{OBX_CA_NOTIFY, OBX_CS_NOT_CONNECTED }, /* and close port */ -/* CONT_C */{OBX_CA_START_TIMER, OBX_CS_DISCNT_REQ_SENT } -}; - -static const UINT8 obx_cl_op_unauth_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* PUT_R */{OBX_CA_SND_REQ, OBX_CS_PUT_REQ_SENT }, -/* GET_R */{OBX_CA_SND_REQ, OBX_CS_GET_REQ_SENT }, -/* SETPATH_R*/{OBX_CA_SND_REQ, OBX_CS_SETPATH_REQ_SENT }, -/* ABORT_R */{OBX_SM_NO_ACTION, OBX_CS_CONNECTED }, -/* ACT_R */{OBX_CA_SND_REQ, OBX_CS_ACTION_REQ_SENT } -}; - -/* static const UINT8 obx_cl_setpath_rs_table[][OBX_SM_NUM_COLS] = { */ -/* Event Action Next State */ -/* DISCNT_R {OBX_CA_SND_REQ, OBX_CS_DISCNT_REQ_SENT },*/ -/* OK_C {OBX_CA_NOTIFY, OBX_CS_NULL },*/ -/* FAIL_C {OBX_CA_FAIL_RSP, OBX_CS_NULL },*/ -/* PORT_CLS {OBX_CA_CONNECT_ERROR, OBX_CS_NOT_CONNECTED },*/ -/* STATE {OBX_CA_STATE, OBX_CS_NULL },*/ -/* }; */ - -static const UINT8 obx_cl_abort_rs_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* CONT_C */{OBX_CA_START_TIMER, OBX_CS_ABORT_REQ_SENT }, -/* FAIL_C */{OBX_CA_NOTIFY, OBX_CS_CONNECTED } -}; - -static const UINT8 obx_cl_put_rs_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* CONT_C */{OBX_CA_NOTIFY, OBX_CS_PUT_TRANSACTION }, -/* SESS_R */{OBX_CA_SND_REQ, OBX_CS_SESSION_REQ_SENT } -}; - -static const UINT8 obx_cl_get_rs_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* CONT_C */{OBX_CA_NOTIFY, OBX_CS_GET_TRANSACTION }, -/* SESS_R */{OBX_CA_SND_REQ, OBX_CS_SESSION_REQ_SENT } -}; - -static const UINT8 obx_cl_put_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* PUT_R */{OBX_CA_SND_REQ, OBX_CS_PUT_REQ_SENT }, -/* SESS_R */{OBX_CA_SND_REQ, OBX_CS_SESSION_REQ_SENT } -}; - -static const UINT8 obx_cl_get_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* GET_R */{OBX_CA_SND_REQ, OBX_CS_GET_REQ_SENT }, -/* SESS_R */{OBX_CA_SND_REQ, OBX_CS_SESSION_REQ_SENT } -}; - -static const UINT8 obx_cl_put_s_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* DISCNT_R */{OBX_CA_SRM_SND_REQ, OBX_CS_DISCNT_REQ_SENT }, -/* PUT_R */{OBX_CA_SRM_PUT_REQ, OBX_CS_PUT_SRM }, -/* ABORT_R */{OBX_CA_SRM_SND_REQ, OBX_CS_ABORT_REQ_SENT }, -/* CONT_C */{OBX_CA_SRM_PUT_NOTIFY, OBX_CS_PUT_SRM }, -/* SESS_R */{OBX_CA_SND_REQ, OBX_CS_SESSION_REQ_SENT } -}; - -static const UINT8 obx_cl_get_s_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* DISCNT_R */{OBX_CA_SRM_SND_REQ, OBX_CS_DISCNT_REQ_SENT }, -/* GET_R */{OBX_CA_SRM_GET_REQ, OBX_CS_GET_SRM }, -/* ABORT_R */{OBX_CA_SRM_SND_REQ, OBX_CS_ABORT_REQ_SENT }, -/* CONT_C */{OBX_CA_SRM_GET_NOTIFY, OBX_CS_GET_SRM }, -/* SESS_R */{OBX_CA_SND_REQ, OBX_CS_SESSION_REQ_SENT } -}; - -static const UINT8 obx_cl_part_table[][OBX_SM_NUM_COLS] = { -/* Event Action Next State */ -/* ABORT_R */{OBX_CA_SAVE_REQ, OBX_CS_PARTIAL_SENT }, -/* FCS_SET */{OBX_CA_SND_PART, OBX_CS_NULL }, -/* FAIL_C */{OBX_CA_SAVE_RSP, OBX_CS_NULL } -}; - -static const tOBX_SM_TBL obx_cl_main_state_table[] = { - obx_cl_not_conn_table, - obx_cl_sess_rs_table, - obx_cl_conn_rs_table, - obx_cl_unauth_table, - obx_cl_conn_table, - obx_cl_discnt_rs_table, - obx_cl_op_unauth_table, - NULL, /* obx_cl_setpath_rs_table */ - NULL, /* obx_cl_action_rs_table */ - obx_cl_abort_rs_table, - obx_cl_put_rs_table, - obx_cl_get_rs_table, - obx_cl_put_table, - obx_cl_get_table, - obx_cl_put_s_table, - obx_cl_get_s_table, - obx_cl_part_table -}; - -/******************************************************************************* -** -** Function obx_csm_event -** -** Description Handle events to the client state machine. It looks up the entry -** in the obx_csm_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_csm_event(tOBX_CL_CB *p_cb, tOBX_CL_EVENT event, BT_HDR *p_msg) -{ - UINT8 curr_state = p_cb->state; - tOBX_SM_TBL state_table = NULL; - UINT8 action, entry; - tOBX_CL_STATE act_state = OBX_CS_NULL; - UINT8 prev_state = OBX_CS_NULL; - - if( curr_state == OBX_CS_NULL || curr_state >= OBX_CS_MAX) - { - OBX_TRACE_WARNING1( "Invalid state: %d", curr_state) ; - if(p_msg) - GKI_freebuf(p_msg); - return; - } - OBX_TRACE_DEBUG4( "Client Handle 0x%x, State: %s, event: %s srm:0x%x", - p_cb->ll_cb.comm.handle, obx_cl_get_state_name( p_cb->state ), obx_cl_get_event_name(event), p_cb->srm ) ; - OBX_TRACE_DEBUG1("obx_csm_event csm offset:%d", p_cb->param.sess.obj_offset); - - /* 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) */ - if( (entry = obx_csm_entry_map[event][curr_state-1]) != OBX_SM_IGNORE ) - { - if(entry&OBX_SM_ALL) - { - entry &= OBX_SM_ENTRY_MASK; - state_table = obx_cl_all_table; - } - else - state_table = obx_cl_main_state_table[curr_state-1]; - } - - if( entry == OBX_SM_IGNORE || state_table == NULL) - { - OBX_TRACE_WARNING4( "Ignore event %s(%d) in state %s(%d)", - obx_cl_get_event_name(event), event, obx_cl_get_state_name(curr_state), 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 ) - { - prev_state = p_cb->state; - p_cb->state = state_table[entry-1][OBX_SME_NEXT_STATE]; - if (prev_state != p_cb->state) - { - p_cb->prev_state = prev_state; - OBX_TRACE_DEBUG1( "saved state1:%s", obx_cl_get_state_name(p_cb->prev_state)); - } - } - OBX_TRACE_DEBUG1( "possible new state = %s", obx_cl_get_state_name( p_cb->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_cl_action[action])(p_cb, p_msg); - } - - /* adjust next state, if it needs to use the new state returned from action function */ - if( act_state != OBX_CS_NULL) - { - prev_state = p_cb->state; - p_cb->state = act_state; - OBX_TRACE_DEBUG1( "new state = %s (action)", obx_cl_get_state_name( p_cb->state )) ; - if (prev_state != p_cb->state) - { - p_cb->prev_state = prev_state; - OBX_TRACE_DEBUG1( "saved state2:%s", obx_cl_get_state_name(p_cb->prev_state)); - } - } - - if(p_cb->api_evt) - { - (p_cb->p_cback) (p_cb->ll_cb.comm.handle, p_cb->api_evt, p_cb->rsp_code, p_cb->param, p_msg); - p_cb->api_evt = OBX_NULL_EVT; - p_cb->rsp_code = 0; - memset(&p_cb->param, 0, sizeof (p_cb->param) ); - } - else if(action == OBX_SM_NO_ACTION && p_msg) - GKI_freebuf(p_msg); - OBX_TRACE_DEBUG1("after csm offset:%d", p_cb->param.sess.obj_offset); - - OBX_TRACE_DEBUG2( "result state = %s/%d", obx_cl_get_state_name( p_cb->state ), p_cb->state ) ; -} - - |