246 lines
5.1 KiB
C
246 lines
5.1 KiB
C
/*
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* Copyright (C) 2017 Andreas Steffen
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* HSR Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include "imc_swima_state.h"
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#include <tncif_names.h>
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#include <utils/debug.h>
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typedef struct private_imc_swima_state_t private_imc_swima_state_t;
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/**
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* Private data of an imc_swima_state_t object.
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*/
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struct private_imc_swima_state_t {
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/**
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* Public members of imc_swima_state_t
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*/
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imc_swima_state_t public;
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/**
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* TNCCS connection ID
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*/
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TNC_ConnectionID connection_id;
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/**
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* TNCCS connection state
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*/
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TNC_ConnectionState state;
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/**
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* Assessment/Evaluation Result
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*/
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TNC_IMV_Evaluation_Result result;
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/**
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* Does the TNCCS connection support long message types?
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*/
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bool has_long;
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/**
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* Does the TNCCS connection support exclusive delivery?
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*/
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bool has_excl;
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/**
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* Maximum PA-TNC message size for this TNCCS connection
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*/
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uint32_t max_msg_len;
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/**
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* PA-TNC attribute segmentation contracts associated with TNCCS connection
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*/
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seg_contract_manager_t *contracts;
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/**
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* Has a subscription been established?
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*/
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bool has_subscription;
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/**
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* State information on subscriptions
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*/
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imc_swima_subscription_t *subscription;
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/**
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* Earliest EID for the next subscription round
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*/
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uint32_t earliest_eid;
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};
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static void free_subscription(imc_swima_subscription_t *this)
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{
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if (this)
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{
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this->targets->destroy(this->targets);
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free(this);
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}
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}
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METHOD(imc_state_t, get_connection_id, TNC_ConnectionID,
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private_imc_swima_state_t *this)
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{
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return this->connection_id;
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}
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METHOD(imc_state_t, has_long, bool,
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private_imc_swima_state_t *this)
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{
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return this->has_long;
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}
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METHOD(imc_state_t, has_excl, bool,
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private_imc_swima_state_t *this)
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{
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return this->has_excl;
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}
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METHOD(imc_state_t, set_flags, void,
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private_imc_swima_state_t *this, bool has_long, bool has_excl)
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{
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this->has_long = has_long;
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this->has_excl = has_excl;
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}
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METHOD(imc_state_t, set_max_msg_len, void,
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private_imc_swima_state_t *this, uint32_t max_msg_len)
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{
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this->max_msg_len = max_msg_len;
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}
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METHOD(imc_state_t, get_max_msg_len, uint32_t,
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private_imc_swima_state_t *this)
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{
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return this->max_msg_len;
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}
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METHOD(imc_state_t, get_contracts, seg_contract_manager_t*,
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private_imc_swima_state_t *this)
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{
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return this->contracts;
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}
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METHOD(imc_state_t, change_state, void,
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private_imc_swima_state_t *this, TNC_ConnectionState new_state)
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{
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this->state = new_state;
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}
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METHOD(imc_state_t, set_result, void,
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private_imc_swima_state_t *this, TNC_IMCID id,
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TNC_IMV_Evaluation_Result result)
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{
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this->result = result;
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}
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METHOD(imc_state_t, get_result, bool,
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private_imc_swima_state_t *this, TNC_IMCID id,
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TNC_IMV_Evaluation_Result *result)
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{
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if (result)
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{
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*result = this->result;
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}
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return this->result != TNC_IMV_EVALUATION_RESULT_DONT_KNOW;
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}
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METHOD(imc_state_t, destroy, void,
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private_imc_swima_state_t *this)
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{
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free(this->subscription);
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this->contracts->destroy(this->contracts);
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free(this);
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}
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METHOD(imc_swima_state_t, set_subscription, void,
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private_imc_swima_state_t *this, imc_swima_subscription_t *subscription,
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bool set)
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{
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free_subscription(this->subscription);
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this->has_subscription = set;
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if (set)
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{
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this->subscription = subscription;
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}
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else
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{
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this->subscription = NULL;
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}
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}
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METHOD(imc_swima_state_t, get_subscription, bool,
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private_imc_swima_state_t *this, imc_swima_subscription_t **subscription)
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{
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if (subscription)
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{
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*subscription = this->subscription;
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}
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return this->has_subscription;
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}
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METHOD(imc_swima_state_t, set_earliest_eid, void,
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private_imc_swima_state_t *this, uint32_t eid)
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{
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this->earliest_eid = eid;
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}
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METHOD(imc_swima_state_t, get_earliest_eid, uint32_t,
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private_imc_swima_state_t *this)
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{
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return this->earliest_eid;
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}
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/**
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* Described in header.
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*/
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imc_state_t *imc_swima_state_create(TNC_ConnectionID connection_id)
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{
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private_imc_swima_state_t *this;
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INIT(this,
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.public = {
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.interface = {
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.get_connection_id = _get_connection_id,
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.has_long = _has_long,
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.has_excl = _has_excl,
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.set_flags = _set_flags,
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.set_max_msg_len = _set_max_msg_len,
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.get_max_msg_len = _get_max_msg_len,
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.get_contracts = _get_contracts,
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.change_state = _change_state,
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.set_result = _set_result,
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.get_result = _get_result,
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.destroy = _destroy,
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},
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.set_subscription = _set_subscription,
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.get_subscription = _get_subscription,
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.set_earliest_eid = _set_earliest_eid,
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.get_earliest_eid = _get_earliest_eid,
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},
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.state = TNC_CONNECTION_STATE_CREATE,
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.result = TNC_IMV_EVALUATION_RESULT_DONT_KNOW,
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.connection_id = connection_id,
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.contracts = seg_contract_manager_create(),
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);
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return &this->public.interface;
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}
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