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authorFulup Ar Foll <fulup@iot.bzh>2017-05-26 18:45:56 +0200
committerFulup Ar Foll <fulup@iot.bzh>2017-05-26 18:45:56 +0200
commitd2e42029ec04c3f224580f8007cdfbbfe0fc47a6 (patch)
treead2ccf167cf7997c84191d41e6ba55cb2efd6bed /ucs2-lib/src/ucs_rtm.c
parent18e393e1443fd4c38b34979888fb55d30448cf31 (diff)
Initial Commit
Diffstat (limited to 'ucs2-lib/src/ucs_rtm.c')
-rw-r--r--ucs2-lib/src/ucs_rtm.c1366
1 files changed, 1366 insertions, 0 deletions
diff --git a/ucs2-lib/src/ucs_rtm.c b/ucs2-lib/src/ucs_rtm.c
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+/*------------------------------------------------------------------------------------------------*/
+/* UNICENS V2.1.0-3491 */
+/* Copyright (c) 2017 Microchip Technology Germany II GmbH & Co. KG. */
+/* */
+/* This program is free software: you can redistribute it and/or modify */
+/* it under the terms of the GNU General Public License as published by */
+/* the Free Software Foundation, either version 2 of the License, or */
+/* (at your option) any later version. */
+/* */
+/* This program is distributed in the hope that it will be useful, */
+/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
+/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
+/* GNU General Public License for more details. */
+/* */
+/* You should have received a copy of the GNU General Public License */
+/* along with this program. If not, see <http://www.gnu.org/licenses/>. */
+/* */
+/* You may also obtain this software under a propriety license from Microchip. */
+/* Please contact Microchip for further information. */
+/*------------------------------------------------------------------------------------------------*/
+
+/*!
+ * \file
+ * \brief Implementation of the Route Management.
+ *
+ * \cond UCS_INTERNAL_DOC
+ * \addtogroup G_RTM
+ * @{
+ */
+
+/*------------------------------------------------------------------------------------------------*/
+/* Includes */
+/*------------------------------------------------------------------------------------------------*/
+#include "ucs_rtm.h"
+
+/*------------------------------------------------------------------------------------------------*/
+/* Service parameters */
+/*------------------------------------------------------------------------------------------------*/
+/*! \brief Priority of the RSM service used by scheduler */
+static const uint8_t RTM_SRV_PRIO = 250U; /* parasoft-suppress MISRA2004-8_7 "Value shall be part of the module, not part of a function." */
+/*! \brief Event for resuming the handling of routes */
+static const Srv_Event_t RTM_EVENT_HANDLE_NEXTROUTE = 0x01U;
+/*! \brief Event for pausing the processing of routes */
+static const Srv_Event_t RTM_EVENT_PROCESS_PAUSE = 0x02U;
+/*! \brief Interval (in ms) for checking the RoutingJob queue */
+static const uint16_t RTM_JOB_CHECK_INTERVAL = 50U; /* parasoft-suppress MISRA2004-8_7 "Value shall be part of the module, not part of a function." */
+
+/*------------------------------------------------------------------------------------------------*/
+/* Internal Constants */
+/*------------------------------------------------------------------------------------------------*/
+/*! \brief Mask for the Network Availability Info */
+static const uint32_t RTM_MASK_NETWORK_AVAILABILITY = 0x0002U;
+
+/*------------------------------------------------------------------------------------------------*/
+/* Internal prototypes */
+/*------------------------------------------------------------------------------------------------*/
+static void Rtm_Service(void *self);
+static void Rtm_HandleNextRoute(CRouteManagement * self);
+static void Rtm_BuildRoute(CRouteManagement * self);
+static void Rtm_DestroyRoute(CRouteManagement * self);
+static bool Rtm_SetNextRouteIndex(CRouteManagement * self);
+static void Rtm_HandleRoutingError(CRouteManagement * self, Ucs_Rm_Route_t * route_ptr);
+static void Rtm_ApiLocking(CRouteManagement *self, bool status);
+static bool Rtm_IsApiFree(CRouteManagement *self);
+static Ucs_Return_t Rtm_BuildEndPoint(CRouteManagement * self, Ucs_Rm_EndPoint_t * endpoint_ptr);
+static Ucs_Return_t Rtm_DeactivateRouteEndPoint(CRouteManagement * self, Ucs_Rm_EndPoint_t * endpoint_ptr);
+static Ucs_Rm_Route_t * Rtm_GetNextRoute(CRouteManagement * self);
+static bool Rtm_IsRouteBuildable(CRouteManagement * self);
+static bool Rtm_IsRouteDestructible(CRouteManagement * self, Ucs_Rm_Route_t * route_ptr);
+static bool Rtm_IsRouteActivatable(CRouteManagement * self, Ucs_Rm_Route_t * route_ptr);
+static void Rtm_DisableRoute(CRouteManagement * self, Ucs_Rm_Route_t * route_ptr);
+static void Rtm_EnableRoute(CRouteManagement * self, Ucs_Rm_Route_t * route_ptr);
+static bool Rtm_CheckEpResultSeverity(CRouteManagement * self, Ucs_Rm_Route_t * tgt_route_ptr, Ucs_Rm_EndPoint_t * endpoint_ptr);
+static void Rtm_EndPointDeterioredCb(void *self, void *result_ptr);
+static void Rtm_StartTmr4HandlingRoutes(CRouteManagement * self);
+static void Rtm_ExecRoutesHandling(void * self);
+static void Rtm_HandleProcessTermination(CRouteManagement * self);
+static void Rtm_StopRoutesHandling(CRouteManagement * self);
+static void Rtm_StartRoutingTimer (CRouteManagement * self);
+static void Rtm_ResetNodesAvailable(CRouteManagement * self);
+static bool Rtm_AreRouteNodesAvailable(CRouteManagement * self, Ucs_Rm_Route_t * route_ptr);
+static bool Rtm_UnlockPossibleBlockings(CRouteManagement * self, Ucs_Rm_Route_t * tgt_route_ptr, Ucs_Rm_EndPoint_t * endpoint_ptr);
+static void Rtm_ReleaseSuspendedRoutes(CRouteManagement * self, Ucs_Rm_Node_t *node_ptr);
+static void Rtm_ForcesRouteToIdle(CRouteManagement * self, Ucs_Rm_Route_t * route_ptr);
+static void Rtm_UcsInitSucceededCb(void *self, void *event_ptr);
+static void Rtm_MnsNwStatusInfosCb(void *self, void *event_ptr);
+static void Rtm_UninitializeService(void *self, void *error_code_ptr);
+
+/*------------------------------------------------------------------------------------------------*/
+/* Implementation of class CRouteManagement */
+/*------------------------------------------------------------------------------------------------*/
+/*------------------------------------------------------------------------------------------------*/
+/* Initialization Methods */
+/*------------------------------------------------------------------------------------------------*/
+/*! \brief Constructor of the Remote Sync Manager class.
+ * \param self Instance pointer
+ * \param init_ptr init data_ptr
+ */
+void Rtm_Ctor(CRouteManagement *self, Rtm_InitData_t *init_ptr)
+{
+ MISC_MEM_SET(self, 0, sizeof(CRouteManagement));
+
+ /* Init all reference instances */
+ self->base_ptr = init_ptr->base_ptr;
+ self->epm_ptr = init_ptr->epm_ptr;
+ self->tm_ptr = &init_ptr->base_ptr->tm;
+ self->net_ptr = init_ptr->net_ptr;
+ self->report_fptr = init_ptr->report_fptr;
+
+ /* Initialize Route Management service */
+ Srv_Ctor(&self->rtm_srv, RTM_SRV_PRIO, self, &Rtm_Service);
+
+ /* Add Observer for UCS initialization Result */
+ Mobs_Ctor(&self->ucsinit_observer, self, EH_E_INIT_SUCCEEDED, &Rtm_UcsInitSucceededCb);
+ Eh_AddObsrvInternalEvent(&self->base_ptr->eh, &self->ucsinit_observer);
+
+ /* Init and Add observer to the UCS termination event */
+ Mobs_Ctor(&self->ucstermination_observer, self, EH_M_TERMINATION_EVENTS, &Rtm_UninitializeService);
+ Eh_AddObsrvInternalEvent(&self->base_ptr->eh, &self->ucstermination_observer);
+
+ /* Add RTM service to scheduler */
+ (void)Scd_AddService(&self->base_ptr->scd, &self->rtm_srv);
+}
+
+/*------------------------------------------------------------------------------------------------*/
+/* Service */
+/*------------------------------------------------------------------------------------------------*/
+/*! \brief Starts the process to buildup the given routes list.
+ *
+ * This function shall only be called once.
+ * \param self Instance pointer
+ * \param routes_list Routes list to be built
+ * \param size Size of the routes list
+ * \return Possible return values are
+ * - \c UCS_RET_ERR_API_LOCKED the API is locked.
+ * - \c UCS_RET_SUCCESS if the transmission was started successfully
+ * - \c UCS_RET_ERR_BUFFER_OVERFLOW if no TxHandles available
+ * - \c UCS_RET_ERR_PARAM At least one parameter is wrong
+ */
+Ucs_Return_t Rtm_StartProcess(CRouteManagement * self, Ucs_Rm_Route_t routes_list[], uint16_t size)
+{
+ Ucs_Return_t result = UCS_RET_ERR_API_LOCKED;
+
+ if (Rtm_IsApiFree(self) != false)
+ {
+ result = UCS_RET_ERR_PARAM;
+ if ((self != NULL) && (routes_list != NULL) && (size > 0U))
+ {
+ uint8_t k = 0U;
+ /* Function remains from now locked */
+ Rtm_ApiLocking(self, true);
+
+ /* Initializes private variables */
+ self->routes_list_size = size;
+ self->curr_route_index = 0U;
+ self->routes_list_ptr = &routes_list[0];
+
+ /* Initializes internal data structure */
+ for (; k < size; k++)
+ {
+ MISC_MEM_SET(&routes_list[k].internal_infos, 0, sizeof(Ucs_Rm_RouteInt_t));
+ }
+
+ Rtm_StartTmr4HandlingRoutes(self);
+ result = UCS_RET_SUCCESS;
+ }
+ }
+
+ return result;
+}
+
+/*! \brief Deactivates respectively destroys the given route reference
+ * \param self Instance pointer
+ * \param route_ptr Reference to the route to be destroyed
+ * \return Possible return values are
+ * - \c UCS_RET_SUCCESS if the transmission was started successfully
+ * - \c UCS_RET_ERR_PARAM At least one parameter is NULL
+ * - \c UCS_RET_ERR_ALREADY_SET Route is already inactive
+ */
+Ucs_Return_t Rtm_DeactivateRoute (CRouteManagement * self, Ucs_Rm_Route_t * route_ptr)
+{
+ Ucs_Return_t result = UCS_RET_ERR_PARAM;
+
+ if ((self != NULL) && (route_ptr != NULL))
+ {
+ if (Rtm_IsRouteDestructible(self, route_ptr))
+ {
+ Rtm_DisableRoute(self, route_ptr);
+ Rtm_StartTmr4HandlingRoutes(self);
+ result = UCS_RET_SUCCESS;
+ }
+ else
+ {
+ result = UCS_RET_ERR_ALREADY_SET;
+ }
+ }
+
+ return result;
+}
+
+/*! \brief Builds respectively activates the given route reference
+ * \param self Instance pointer
+ * \param route_ptr Reference to the route to be destroyed
+ * \return Possible return values are
+ * - \c UCS_RET_SUCCESS if the transmission was started successfully
+ * - \c UCS_RET_ERR_PARAM At least one parameter is NULL
+ * - \c UCS_RET_ERR_ALREADY_SET Route is already active
+ */
+Ucs_Return_t Rtm_ActivateRoute(CRouteManagement * self, Ucs_Rm_Route_t * route_ptr)
+{
+ Ucs_Return_t result = UCS_RET_ERR_PARAM;
+
+ if ((self != NULL) && (route_ptr != NULL))
+ {
+ if (Rtm_IsRouteActivatable(self, route_ptr))
+ {
+ Rtm_EnableRoute(self, route_ptr);
+ Rtm_StartTmr4HandlingRoutes(self);
+ result = UCS_RET_SUCCESS;
+ }
+ else
+ {
+ result = UCS_RET_ERR_ALREADY_SET;
+ }
+ }
+
+ return result;
+}
+
+/*! \brief Sets the given node to \c available or \c not \c available and triggers the routing process to handle this change.
+ * \details In case of \c Available the function starts the routing process that checks whether there are endpoints to build on this node.
+ * In case of \c Unavailable the function informs sub modules like XRM to check whether there are resources to release and simultaneously unlock \c suspended routes that
+ * link to this node.
+ * \param self The routing instance pointer
+ * \param node_ptr Reference to the node to be looked for.
+ * \param available Specifies whether the node is available or not
+ * \return Possible return values are shown in the table below.
+ * Value | Description
+ * --------------------------- | ---------------------------------------------------------------------
+ * UCS_RET_SUCCESS | No error
+ * UCS_RET_ERR_ALREADY_SET | Node is already set to "available" or "not available"
+ * UCS_RET_ERR_PARAM | At least one parameter is NULL.
+ * UCS_RET_ERR_NOT_INITIALIZED | UNICENS is not initialized
+ * UCS_RET_ERR_NOT_AVAILABLE | The function cannot be processed because the network is not available
+ */
+Ucs_Return_t Rtm_SetNodeAvailable(CRouteManagement * self, Ucs_Rm_Node_t *node_ptr, bool available)
+{
+ Ucs_Return_t ret_val = UCS_RET_ERR_PARAM;
+
+ if ((self != NULL) && (node_ptr != NULL) && (node_ptr->signature_ptr != NULL))
+ {
+ ret_val = UCS_RET_ERR_NOT_AVAILABLE;
+ if (self->nw_available)
+ {
+ ret_val = UCS_RET_ERR_ALREADY_SET;
+ if (available)
+ {
+ if (node_ptr->internal_infos.available == 0x00U)
+ {
+ TR_INFO((self->base_ptr->ucs_user_ptr, "[RTM]", "Node with Addr {%X} is available", 1U, node_ptr->signature_ptr->node_address));
+ node_ptr->internal_infos.available = 0x01U;
+ Rtm_StartRoutingTimer(self);
+ ret_val = UCS_RET_SUCCESS;
+ }
+ }
+ else
+ {
+ if (node_ptr->internal_infos.available == 0x01U)
+ {
+ TR_INFO((self->base_ptr->ucs_user_ptr, "[RTM]", "Node with Addr {%X} is not available", 1U, node_ptr->signature_ptr->node_address));
+ node_ptr->internal_infos.available = 0x00U;
+ Rtm_ReleaseSuspendedRoutes(self, node_ptr);
+ Epm_ReportInvalidDevice (self->epm_ptr, node_ptr->signature_ptr->node_address);
+ ret_val = UCS_RET_SUCCESS;
+ }
+ }
+ }
+ }
+
+ return ret_val;
+}
+
+/*! \brief Retrieves the "available" flag of the given node.
+ * \param self The routing instance pointer
+ * \param node_ptr Reference to the node to be looked for.
+ * \return The "available" flag of the node.
+ */
+bool Rtm_GetNodeAvailable(CRouteManagement * self, Ucs_Rm_Node_t *node_ptr)
+{
+ bool ret_val = false;
+
+ MISC_UNUSED (self);
+
+ if (node_ptr != NULL)
+ {
+ ret_val = (node_ptr->internal_infos.available == 0x01U) ? true:false;
+ }
+
+ return ret_val;
+}
+
+/*! \brief Retrieves currently references of all routes attached to the given endpoint and stores It into an external routes table provided by user application.
+ * Thus, User application should provide an external reference to an empty routes table where the potential routes will be stored.
+ * That is, user application is responsible to allocate enough space to store the found routes. Otherwise, the max routes found will
+ * equal the list size.
+ * \param self The routing instance pointer
+ * \param ep_inst Reference to the endpoint to be looked for.
+ * \param ext_routes_list External empty table allocated by user application
+ * \param size_list Size of the provided list
+ * \return Possible return values are shown in the table below.
+ * Value | Description
+ * --------------------------- | ---------------------------------------------------------------------
+ * UCS_RET_SUCCESS | No error
+ * UCS_RET_ERR_PARAM | At least one parameter is NULL.
+ */
+Ucs_Return_t Rtm_GetAttachedRoutes(CRouteManagement * self, Ucs_Rm_EndPoint_t * ep_inst,
+ Ucs_Rm_Route_t * ext_routes_list[], uint16_t size_list)
+{
+ Ucs_Return_t ret_val = UCS_RET_ERR_PARAM;
+
+ MISC_UNUSED (self);
+
+ if ((ep_inst != NULL) && (ext_routes_list != NULL) && (size_list > 0U))
+ {
+ bool curr_index_empty = true;
+ uint8_t k = 0U, num_attached_routes = Sub_GetNumObservers(&ep_inst->internal_infos.subject_obj);
+ CDlNode *n_tmp = (&(ep_inst->internal_infos.subject_obj))->list.head;
+ Ucs_Rm_Route_t * tmp_rt = NULL;
+ ret_val = UCS_RET_SUCCESS;
+
+ for (; ((k < size_list) && (num_attached_routes > 0U) && (n_tmp != NULL)); k++)
+ {
+ ext_routes_list[k] = NULL;
+ do
+ {
+ CObserver *o_tmp = (CObserver *)n_tmp->data_ptr;
+ tmp_rt = (Ucs_Rm_Route_t *)o_tmp->inst_ptr;
+ if ((tmp_rt != NULL) && ((tmp_rt->internal_infos.route_state == UCS_RM_ROUTE_BUILT) ||
+ (tmp_rt->internal_infos.route_state == UCS_RM_ROUTE_CONSTRUCTION) ||
+ (tmp_rt->internal_infos.route_state == UCS_RM_ROUTE_DESTRUCTION)))
+ {
+ curr_index_empty = false;
+ ext_routes_list[k] = tmp_rt;
+ }
+ n_tmp = n_tmp->next;
+ num_attached_routes--;
+
+ } while ((curr_index_empty) && (num_attached_routes > 0U));
+ curr_index_empty = true;
+ }
+
+ if (k < size_list)
+ {
+ ext_routes_list[k] = NULL;
+ }
+ }
+
+ return ret_val;
+}
+
+/*! \brief Retrieves the \c ConnectionLabel of the given route.
+ * \param self The routing instance pointer
+ * \param route_ptr Reference to the route to be looked for.
+ * \return The "ConnectionLabel" of this route.
+ */
+uint16_t Rtm_GetConnectionLabel (CRouteManagement * self, Ucs_Rm_Route_t * route_ptr)
+{
+ uint16_t conn_label = 0U;
+
+ if ((self != NULL) && (route_ptr != NULL) && (route_ptr->internal_infos.route_state == UCS_RM_ROUTE_BUILT))
+ {
+ conn_label = Epm_GetConnectionLabel(self->epm_ptr, route_ptr->source_endpoint_ptr);
+ }
+
+ return conn_label;
+}
+
+/*------------------------------------------------------------------------------------------------*/
+/* Private Methods */
+/*------------------------------------------------------------------------------------------------*/
+/*! \brief Service function of the Sync management.
+ * \param self Instance pointer
+ */
+static void Rtm_Service(void *self)
+{
+ CRouteManagement *self_ = (CRouteManagement *)self;
+ Srv_Event_t event_mask;
+ Srv_GetEvent(&self_->rtm_srv, &event_mask);
+
+ /* Event to process list of routes */
+ if((event_mask & RTM_EVENT_HANDLE_NEXTROUTE) == RTM_EVENT_HANDLE_NEXTROUTE)
+ {
+ Srv_ClearEvent(&self_->rtm_srv, RTM_EVENT_HANDLE_NEXTROUTE);
+ Rtm_HandleNextRoute(self_);
+ }
+
+ /* Event to pause processing of routes list */
+ if ((event_mask & RTM_EVENT_PROCESS_PAUSE) == RTM_EVENT_PROCESS_PAUSE)
+ {
+ Srv_ClearEvent(&self_->rtm_srv, RTM_EVENT_PROCESS_PAUSE);
+ Rtm_StopRoutesHandling(self_);
+ }
+}
+
+/*! \brief This function starts the routing timer.
+ *
+ * Whenever this function is called the routing management process will resume in case it has been paused.
+ * \param self Instance pointer
+ */
+static void Rtm_StartRoutingTimer (CRouteManagement * self)
+{
+ if ((NULL != self) && (NULL != self->routes_list_ptr) &&
+ (0U < self->routes_list_size))
+ {
+ Rtm_StartTmr4HandlingRoutes(self);
+ }
+}
+
+/*! \brief Handles the next route in the list.
+ * \param self Instance pointer
+ */
+static void Rtm_HandleNextRoute(CRouteManagement * self)
+{
+ Ucs_Rm_Route_t * tmp_route;
+ self->curr_route_ptr = Rtm_GetNextRoute(self);
+ tmp_route = self->curr_route_ptr;
+
+ switch (tmp_route->internal_infos.route_state)
+ {
+ case UCS_RM_ROUTE_IDLE:
+ if (Rtm_IsRouteBuildable(self) == true)
+ {
+ Rtm_BuildRoute(self);
+ }
+ break;
+
+ case UCS_RM_ROUTE_CONSTRUCTION:
+ Rtm_BuildRoute(self);
+ break;
+
+ case UCS_RM_ROUTE_DETERIORATED:
+ Rtm_HandleRoutingError(self, tmp_route);
+ break;
+
+ case UCS_RM_ROUTE_DESTRUCTION:
+ Rtm_DestroyRoute(self);
+ break;
+
+ case UCS_RM_ROUTE_SUSPENDED:
+ case UCS_RM_ROUTE_BUILT:
+ if (tmp_route->active == false)
+ {
+ Rtm_DestroyRoute(self);
+ }
+ break;
+
+ default:
+ break;
+ }
+}
+
+/*! \brief Checks whether the given route is buildable.
+ * \param self Instance pointer
+ * \return \c true if the route is buildable, otherwise \c false.
+ */
+static bool Rtm_IsRouteBuildable(CRouteManagement * self)
+{
+ bool result_check = false;
+
+ if (self->curr_route_ptr != NULL)
+ {
+ if ((self->curr_route_ptr->internal_infos.route_state == UCS_RM_ROUTE_IDLE) &&
+ (self->curr_route_ptr->active == true) &&
+ (self->curr_route_ptr->source_endpoint_ptr != NULL) &&
+ (self->curr_route_ptr->sink_endpoint_ptr != NULL))
+ {
+ result_check = true;
+ }
+ }
+
+ return result_check;
+}
+
+/*! \brief Checks whether the given route is destructible.
+ * \param self Instance pointer
+ * \param route_ptr Reference route to be checked
+ * \return \c true if the route is destructible, otherwise \c false.
+ */
+static bool Rtm_IsRouteDestructible(CRouteManagement * self, Ucs_Rm_Route_t * route_ptr)
+{
+ bool result_check = false;
+ MISC_UNUSED (self);
+
+ if ((route_ptr != NULL) && (route_ptr->active == 0x01U) && ((route_ptr->internal_infos.route_state == UCS_RM_ROUTE_BUILT) ||
+ (route_ptr->internal_infos.route_state == UCS_RM_ROUTE_SUSPENDED)))
+ {
+ result_check = true;
+ }
+
+ return result_check;
+}
+
+/*! \brief Checks whether the given route can be activated.
+ * \param self Instance pointer
+ * \param route_ptr Reference route to be checked
+ * \return \c true if the route is destructible, otherwise \c false.
+ */
+static bool Rtm_IsRouteActivatable(CRouteManagement * self, Ucs_Rm_Route_t * route_ptr)
+{
+ bool result_check = false;
+ MISC_UNUSED (self);
+
+ if ((route_ptr != NULL) && (route_ptr->internal_infos.route_state == UCS_RM_ROUTE_IDLE) && (route_ptr->active == 0x0U))
+ {
+ result_check = true;
+ }
+
+ return result_check;
+}
+
+/*! \brief Deactivates the given route reference.
+ * \param self Instance pointer
+ * \param route_ptr Reference route to be deactivated
+ */
+static void Rtm_DisableRoute(CRouteManagement * self, Ucs_Rm_Route_t * route_ptr)
+{
+ MISC_UNUSED (self);
+
+ if (route_ptr != NULL)
+ {
+ route_ptr->active = false;
+ }
+}
+
+/*! \brief Activates the given route reference.
+ * \param self Instance pointer
+ * \param route_ptr Reference route to be activated
+ */
+static void Rtm_EnableRoute(CRouteManagement * self, Ucs_Rm_Route_t * route_ptr)
+{
+ MISC_UNUSED (self);
+
+ if (route_ptr != NULL)
+ {
+ route_ptr->active = true;
+ }
+}
+
+/*! \brief Builds the current Route.
+ * \param self Instance pointer
+ */
+static void Rtm_BuildRoute(CRouteManagement * self)
+{
+ bool result_critical = false;
+ Ucs_Rm_EndPointState_t ep_state = Epm_GetState(self->epm_ptr, self->curr_route_ptr->source_endpoint_ptr);
+ switch (ep_state)
+ {
+ case UCS_RM_EP_IDLE:
+ result_critical = Rtm_CheckEpResultSeverity(self, self->curr_route_ptr, self->curr_route_ptr->source_endpoint_ptr);
+ if (!result_critical)
+ {
+ if (self->curr_route_ptr->internal_infos.src_obsvr_initialized == 0U)
+ {
+ self->curr_route_ptr->internal_infos.src_obsvr_initialized = 1U;
+ Epm_DelObserver(self->curr_route_ptr->source_endpoint_ptr, &self->curr_route_ptr->internal_infos.source_ep_observer);
+ Obs_Ctor(&self->curr_route_ptr->internal_infos.source_ep_observer, self->curr_route_ptr, &Rtm_EndPointDeterioredCb);
+ /* Initializes source endpoint internal data */
+ Epm_InitInternalInfos (self->epm_ptr, self->curr_route_ptr->source_endpoint_ptr);
+ }
+ (void)Rtm_BuildEndPoint(self, self->curr_route_ptr->source_endpoint_ptr);
+ }
+ break;
+
+ case UCS_RM_EP_BUILT:
+ /* In case of shared source endpoint by another route */
+ if (self->curr_route_ptr->internal_infos.src_obsvr_initialized == 0U)
+ {
+ self->curr_route_ptr->internal_infos.src_obsvr_initialized = 1U;
+ Epm_DelObserver(self->curr_route_ptr->source_endpoint_ptr, &self->curr_route_ptr->internal_infos.source_ep_observer);
+ Obs_Ctor(&self->curr_route_ptr->internal_infos.source_ep_observer, self->curr_route_ptr, &Rtm_EndPointDeterioredCb);
+ Epm_AddObserver(self->curr_route_ptr->source_endpoint_ptr, &self->curr_route_ptr->internal_infos.source_ep_observer);
+ }
+ ep_state = Epm_GetState(self->epm_ptr, self->curr_route_ptr->sink_endpoint_ptr);
+ switch(ep_state)
+ {
+ case UCS_RM_EP_IDLE:
+ result_critical = Rtm_CheckEpResultSeverity(self, self->curr_route_ptr, self->curr_route_ptr->sink_endpoint_ptr);
+ if (!result_critical)
+ {
+ if (self->curr_route_ptr->internal_infos.sink_obsvr_initialized == 0U)
+ {
+ self->curr_route_ptr->internal_infos.sink_obsvr_initialized = 1U;
+ Obs_Ctor(&self->curr_route_ptr->internal_infos.sink_ep_observer, self->curr_route_ptr, &Rtm_EndPointDeterioredCb);
+ /* Initializes sink endpoint internal data */
+ Epm_InitInternalInfos (self->epm_ptr, self->curr_route_ptr->sink_endpoint_ptr);
+ }
+ Epm_SetConnectionLabel(self->epm_ptr, self->curr_route_ptr->sink_endpoint_ptr, Epm_GetConnectionLabel(self->epm_ptr, self->curr_route_ptr->source_endpoint_ptr));
+ (void)Rtm_BuildEndPoint(self, self->curr_route_ptr->sink_endpoint_ptr);
+ }
+ break;
+
+ case UCS_RM_EP_BUILT:
+ TR_INFO((self->base_ptr->ucs_user_ptr, "[RTM]", "Route id {%X} is built", 1U, self->curr_route_ptr->route_id));
+ self->curr_route_ptr->internal_infos.route_state = UCS_RM_ROUTE_BUILT;
+ if (self->report_fptr != NULL)
+ {
+ self->report_fptr(self->curr_route_ptr, UCS_RM_ROUTE_INFOS_BUILT, self->base_ptr->ucs_user_ptr);
+ }
+ break;
+
+ case UCS_RM_EP_XRMPROCESSING:
+ default:
+ result_critical = Rtm_UnlockPossibleBlockings(self, self->curr_route_ptr, self->curr_route_ptr->sink_endpoint_ptr);
+ break;
+ }
+ break;
+
+ case UCS_RM_EP_XRMPROCESSING:
+ default:
+ result_critical = Rtm_UnlockPossibleBlockings(self, self->curr_route_ptr, self->curr_route_ptr->source_endpoint_ptr);
+ break;
+ }
+
+ if (result_critical)
+ {
+ self->curr_route_ptr->internal_infos.route_state = UCS_RM_ROUTE_DETERIORATED;
+ }
+}
+
+/*! \brief Destroys the current Route.
+ * \param self Instance pointer
+ */
+static void Rtm_DestroyRoute(CRouteManagement * self)
+{
+ bool result_critical = false;
+ bool destruction_completed = false;
+
+ Ucs_Rm_EndPointState_t ep_state = Epm_GetState(self->epm_ptr, self->curr_route_ptr->sink_endpoint_ptr);
+ switch (ep_state)
+ {
+ case UCS_RM_EP_BUILT:
+ (void)Rtm_DeactivateRouteEndPoint(self, self->curr_route_ptr->sink_endpoint_ptr);
+ break;
+
+ case UCS_RM_EP_IDLE:
+ ep_state = Epm_GetState(self->epm_ptr, self->curr_route_ptr->source_endpoint_ptr);
+ switch(ep_state)
+ {
+ case UCS_RM_EP_BUILT:
+ /* if source endpoint cannot be built since it's used in another route(s), however consider that the route is destroyed. */
+ if (Rtm_DeactivateRouteEndPoint(self, self->curr_route_ptr->source_endpoint_ptr) == UCS_RET_ERR_INVALID_SHADOW)
+ {
+ destruction_completed = true;
+ }
+ break;
+
+ case UCS_RM_EP_IDLE:
+ destruction_completed = true;
+ break;
+
+ case UCS_RM_EP_XRMPROCESSING:
+ default:
+ result_critical = Rtm_UnlockPossibleBlockings(self, self->curr_route_ptr, self->curr_route_ptr->source_endpoint_ptr);
+ break;
+ }
+ break;
+
+ case UCS_RM_EP_XRMPROCESSING:
+ default:
+ result_critical = Rtm_UnlockPossibleBlockings(self, self->curr_route_ptr, self->curr_route_ptr->sink_endpoint_ptr);
+ break;
+ }
+
+ if (result_critical)
+ {
+ self->curr_route_ptr->internal_infos.route_state = UCS_RM_ROUTE_DETERIORATED;
+ }
+ else if (destruction_completed)
+ {
+ TR_INFO((self->base_ptr->ucs_user_ptr, "[RTM]", "Route id {%X} has been destroyed", 1U, self->curr_route_ptr->route_id));
+ self->curr_route_ptr->internal_infos.route_state = UCS_RM_ROUTE_IDLE;
+ self->curr_route_ptr->internal_infos.src_obsvr_initialized = 0U;
+
+ if (self->report_fptr != NULL)
+ {
+ self->report_fptr(self->curr_route_ptr, UCS_RM_ROUTE_INFOS_DESTROYED, self->base_ptr->ucs_user_ptr);
+ }
+ }
+}
+
+/*! \brief Builds the given endpoint.
+ * \param self Instance pointer
+ * \param endpoint_ptr Reference to the endpoint to be looked for
+ * \return Possible return values are
+ * - \c UCS_RET_ERR_API_LOCKED the API is locked. Endpoint is currently being processed.
+ * - \c UCS_RET_SUCCESS the build process was set successfully
+ * - \c UCS_RET_ERR_PARAM NULL pointer detected in the parameter list
+ * - \c UCS_RET_ERR_ALREADY_SET the endpoint has already been set
+ */
+static Ucs_Return_t Rtm_BuildEndPoint(CRouteManagement * self, Ucs_Rm_EndPoint_t * endpoint_ptr)
+{
+ Ucs_Return_t result = UCS_RET_ERR_PARAM;
+
+ if ((self != NULL) && (endpoint_ptr != NULL))
+ {
+ result = Epm_SetBuildProcess(self->epm_ptr, endpoint_ptr);
+ if (result == UCS_RET_SUCCESS)
+ {
+ Epm_AddObserver (endpoint_ptr, (endpoint_ptr->endpoint_type == UCS_RM_EP_SOURCE) ? &self->curr_route_ptr->internal_infos.source_ep_observer: &self->curr_route_ptr->internal_infos.sink_ep_observer);
+ self->curr_route_ptr->internal_infos.route_state = UCS_RM_ROUTE_CONSTRUCTION;
+ TR_INFO((self->base_ptr->ucs_user_ptr, "[RTM]", "Start Building Endpoint {%X} of type %s for route id %X", 3U, endpoint_ptr, (endpoint_ptr->endpoint_type == UCS_RM_EP_SOURCE) ? "Source":"Sink", self->curr_route_ptr->route_id));
+ }
+ else if (result == UCS_RET_ERR_ALREADY_SET)
+ {
+ TR_INFO((self->base_ptr->ucs_user_ptr, "[RTM]", "Endpoint {%X} of type %s for route id %X has already been built", 3U, endpoint_ptr, (endpoint_ptr->endpoint_type == UCS_RM_EP_SOURCE) ? "Source":"Sink", self->curr_route_ptr->route_id));
+ }
+ }
+
+ return result;
+}
+
+/*! \brief Destroys the given endpoint.
+ * \param self Instance pointer
+ * \param endpoint_ptr Reference to the endpoint to be looked for
+ * \return Possible return values are
+ * - \c UCS_RET_ERR_API_LOCKED the API is locked. Endpoint is currently being processed.
+ * - \c UCS_RET_SUCCESS the build process was set successfully
+ * - \c UCS_RET_ERR_PARAM NULL pointer detected in the parameter list
+ * - \c UCS_RET_ERR_ALREADY_SET the endpoint has already been set
+ * - \c UCS_RET_ERR_NOT_AVAILABLE the endpoint is no more available.
+ * - \c UCS_RET_ERR_INVALID_SHADOW the endpoint cannot be destroyed since it's still in use by another routes.
+ */
+static Ucs_Return_t Rtm_DeactivateRouteEndPoint(CRouteManagement * self, Ucs_Rm_EndPoint_t * endpoint_ptr)
+{
+ Ucs_Return_t result = UCS_RET_ERR_PARAM;
+
+ if ((self != NULL) && (endpoint_ptr != NULL) && (endpoint_ptr->node_obj_ptr != NULL) &&
+ (endpoint_ptr->node_obj_ptr->signature_ptr != NULL))
+ {
+ if ((endpoint_ptr->node_obj_ptr->internal_infos.available == 1U) ||
+ (endpoint_ptr->node_obj_ptr->signature_ptr->node_address == UCS_ADDR_LOCAL_DEV))
+ {
+ result = Epm_SetDestroyProcess(self->epm_ptr, endpoint_ptr);
+ if (result == UCS_RET_SUCCESS)
+ {
+ self->curr_route_ptr->internal_infos.route_state = UCS_RM_ROUTE_DESTRUCTION;
+ TR_INFO((self->base_ptr->ucs_user_ptr, "[RTM]", "Start Destroying Endpoint {%X} of type %s for route id %X", 3U, endpoint_ptr, (endpoint_ptr->endpoint_type == UCS_RM_EP_SOURCE) ? "Source":"Sink", self->curr_route_ptr->route_id));
+ }
+ else if (result == UCS_RET_ERR_ALREADY_SET)
+ {
+ TR_INFO((self->base_ptr->ucs_user_ptr, "[RTM]", "Endpoint {%X} of type %s for route id %X has already been destroyed", 3U, endpoint_ptr, (endpoint_ptr->endpoint_type == UCS_RM_EP_SOURCE) ? "Source":"Sink", self->curr_route_ptr->route_id));
+ }
+ else if (result == UCS_RET_ERR_INVALID_SHADOW)
+ {
+ TR_INFO((self->base_ptr->ucs_user_ptr, "[RTM]", "Endpoint {%X} of type %s for route id %X cannot be destroyed since it's still used", 3U, endpoint_ptr, (endpoint_ptr->endpoint_type == UCS_RM_EP_SOURCE) ? "Source":"Sink", self->curr_route_ptr->route_id));
+ }
+ else if (result == UCS_RET_ERR_NOT_AVAILABLE)
+ {
+ TR_INFO((self->base_ptr->ucs_user_ptr, "[RTM]", "Endpoint {%X} of type %s for route id %X is no more available", 3U, endpoint_ptr, (endpoint_ptr->endpoint_type == UCS_RM_EP_SOURCE) ? "Source" : "Sink", self->curr_route_ptr->route_id));
+ }
+ }
+ else
+ {
+ /* Completed */
+ Epm_ResetState(self->epm_ptr, endpoint_ptr);
+ }
+ }
+
+ return result;
+}
+
+/*! \brief Classifies and sets the corresponding route error and then informs user about the new state.
+ * \param self Instance pointer
+ * \param route_ptr Reference to the route to be looked for
+ */
+static void Rtm_HandleRoutingError(CRouteManagement * self, Ucs_Rm_Route_t * route_ptr)
+{
+ Ucs_Rm_Route_t * tmp_route = route_ptr;
+ Ucs_Rm_RouteInfos_t result_route = UCS_RM_ROUTE_INFOS_DESTROYED;
+ Ucs_Rm_RouteResult_t res_rt = tmp_route->internal_infos.last_route_result;
+
+ tmp_route->internal_infos.route_state = UCS_RM_ROUTE_IDLE;
+ tmp_route->internal_infos.last_route_result = UCS_RM_ROUTE_NOERROR;
+
+ if (res_rt != UCS_RM_ROUTE_CRITICAL)
+ {
+ if (tmp_route->source_endpoint_ptr->internal_infos.endpoint_state == UCS_RM_EP_IDLE)
+ {
+ if (Rtm_CheckEpResultSeverity(self, tmp_route, tmp_route->source_endpoint_ptr))
+ {
+ Epm_ResetState(self->epm_ptr, tmp_route->source_endpoint_ptr);
+ tmp_route->internal_infos.route_state = UCS_RM_ROUTE_SUSPENDED;
+ result_route = UCS_RM_ROUTE_INFOS_SUSPENDED;
+ TR_INFO((self->base_ptr->ucs_user_ptr, "[RTM]", "Route id {%X} is suspended", 1U, tmp_route->route_id));
+ }
+ }
+ else if (tmp_route->sink_endpoint_ptr->internal_infos.endpoint_state == UCS_RM_EP_IDLE)
+ {
+ if (Rtm_CheckEpResultSeverity(self, tmp_route, tmp_route->sink_endpoint_ptr))
+ {
+ Epm_ResetState(self->epm_ptr, tmp_route->sink_endpoint_ptr);
+ tmp_route->internal_infos.route_state = UCS_RM_ROUTE_SUSPENDED;
+ result_route = UCS_RM_ROUTE_INFOS_SUSPENDED;
+ TR_INFO((self->base_ptr->ucs_user_ptr, "[RTM]", "Route id {%X} is suspended", 1U, tmp_route->route_id));
+ }
+ }
+ else
+ {
+ TR_INFO((self->base_ptr->ucs_user_ptr, "[RTM]", "Route id {%X} is destroyed", 1U, tmp_route->route_id));
+ }
+ }
+ else
+ {
+ Epm_ResetState(self->epm_ptr, tmp_route->source_endpoint_ptr);
+ Epm_ResetState(self->epm_ptr, tmp_route->sink_endpoint_ptr);
+ tmp_route->internal_infos.route_state = UCS_RM_ROUTE_SUSPENDED;
+ result_route = UCS_RM_ROUTE_INFOS_SUSPENDED;
+ TR_INFO((self->base_ptr->ucs_user_ptr, "[RTM]", "Route id {%X} is suspended", 1U, tmp_route->route_id));
+ }
+
+ if (self->report_fptr != NULL)
+ {
+ self->report_fptr(tmp_route, result_route, self->base_ptr->ucs_user_ptr);
+ }
+}
+
+/*! \brief Checks whether the endpoint's result is critical or not and stores the result into the target route.
+ * \param self Instance pointer
+ * \param tgt_route_ptr Reference to the route that contains the endpoint to be looked for
+ * \param endpoint_ptr Reference to the endpoint to be looked for
+ * \return \c true if the endpoint result is critical, otherwise \c false.
+ */
+static bool Rtm_CheckEpResultSeverity(CRouteManagement * self, Ucs_Rm_Route_t * tgt_route_ptr, Ucs_Rm_EndPoint_t * endpoint_ptr)
+{
+ bool result_check = false;
+ Ucs_Rm_RouteResult_t result = UCS_RM_ROUTE_NOERROR;
+ /*! \brief Maximum number of retries allowed in error situation */
+ uint8_t RTM_MAX_NUM_RETRIES_IN_ERR = 0xFFU;
+
+ if ((endpoint_ptr != NULL) && (tgt_route_ptr != NULL))
+ {
+ switch (endpoint_ptr->internal_infos.xrm_result.code)
+ {
+ case UCS_XRM_RES_ERR_BUILD:
+ case UCS_XRM_RES_ERR_DESTROY:
+ case UCS_XRM_RES_ERR_SYNC:
+ switch (endpoint_ptr->internal_infos.xrm_result.details.result_type)
+ {
+ case UCS_XRM_RESULT_TYPE_TX:
+ if ((UCS_MSG_STAT_ERROR_CFG_NO_RCVR == endpoint_ptr->internal_infos.xrm_result.details.tx_result) ||
+ (UCS_MSG_STAT_ERROR_FATAL_OA == endpoint_ptr->internal_infos.xrm_result.details.tx_result) ||
+ (endpoint_ptr->internal_infos.num_retries == RTM_MAX_NUM_RETRIES_IN_ERR))
+ {
+ result = UCS_RM_ROUTE_CRITICAL;
+ TR_ERROR((self->base_ptr->ucs_user_ptr, "[RTM]", "Critical error occurred on route id {%X} due to the transmission error code {Ucs_MsgTxStatus_t:0x%02X} observed in XRM.", 2U,
+ tgt_route_ptr->route_id, endpoint_ptr->internal_infos.xrm_result.details.tx_result));
+ }
+ else if ((UCS_MSG_STAT_ERROR_UNKNOWN == endpoint_ptr->internal_infos.xrm_result.details.tx_result) ||
+ (UCS_MSG_STAT_ERROR_FATAL_WT == endpoint_ptr->internal_infos.xrm_result.details.tx_result) ||
+ (UCS_MSG_STAT_ERROR_TIMEOUT == endpoint_ptr->internal_infos.xrm_result.details.tx_result) ||
+ (UCS_MSG_STAT_ERROR_BF == endpoint_ptr->internal_infos.xrm_result.details.tx_result) ||
+ (UCS_MSG_STAT_ERROR_CRC == endpoint_ptr->internal_infos.xrm_result.details.tx_result) ||
+ (UCS_MSG_STAT_ERROR_NA_TRANS == endpoint_ptr->internal_infos.xrm_result.details.tx_result) ||
+ (UCS_MSG_STAT_ERROR_ACK == endpoint_ptr->internal_infos.xrm_result.details.tx_result) ||
+ (UCS_MSG_STAT_ERROR_ID == endpoint_ptr->internal_infos.xrm_result.details.tx_result))
+ {
+ endpoint_ptr->internal_infos.num_retries++;
+ result = UCS_RM_ROUTE_UNCRITICAL;
+ }
+ break;
+
+ case UCS_XRM_RESULT_TYPE_TGT:
+ if ((UCS_RES_ERR_CONFIGURATION == endpoint_ptr->internal_infos.xrm_result.details.inic_result.code) ||
+ (UCS_RES_ERR_MOST_STANDARD == endpoint_ptr->internal_infos.xrm_result.details.inic_result.code) ||
+ (UCS_RES_ERR_SYSTEM == endpoint_ptr->internal_infos.xrm_result.details.inic_result.code) ||
+ (endpoint_ptr->internal_infos.num_retries == RTM_MAX_NUM_RETRIES_IN_ERR))
+ {
+ result = UCS_RM_ROUTE_CRITICAL;
+ TR_ERROR((self->base_ptr->ucs_user_ptr, "[RTM]", "Critical error occurred on route id {%X} due to the INIC result code {Ucs_Result_t:0x%02X} observed in XRM.", 2U,
+ tgt_route_ptr->route_id, endpoint_ptr->internal_infos.xrm_result.details.inic_result.code));
+ }
+ else if ((UCS_RES_ERR_BUSY == endpoint_ptr->internal_infos.xrm_result.details.inic_result.code) ||
+ (UCS_RES_ERR_TIMEOUT == endpoint_ptr->internal_infos.xrm_result.details.inic_result.code) ||
+ (UCS_RES_ERR_PROCESSING == endpoint_ptr->internal_infos.xrm_result.details.inic_result.code))
+ {
+ endpoint_ptr->internal_infos.num_retries++;
+ result = UCS_RM_ROUTE_UNCRITICAL;
+ }
+ break;
+
+ case UCS_XRM_RESULT_TYPE_INT:
+ if ((endpoint_ptr->internal_infos.xrm_result.details.int_result == UCS_RET_ERR_NOT_AVAILABLE) ||
+ (endpoint_ptr->internal_infos.xrm_result.details.int_result == UCS_RET_ERR_NOT_SUPPORTED) ||
+ (endpoint_ptr->internal_infos.xrm_result.details.int_result == UCS_RET_ERR_PARAM) ||
+ (endpoint_ptr->internal_infos.xrm_result.details.int_result == UCS_RET_ERR_NOT_INITIALIZED) ||
+ (endpoint_ptr->internal_infos.num_retries == RTM_MAX_NUM_RETRIES_IN_ERR))
+ {
+ result = UCS_RM_ROUTE_CRITICAL;
+ TR_ERROR((self->base_ptr->ucs_user_ptr, "[RTM]", "Critical error occurred on route id {%X} due to the internal error code {Ucs_Return_t:0x%02X} observed in XRM.", 2U,
+ tgt_route_ptr->route_id, endpoint_ptr->internal_infos.xrm_result.details.int_result));
+ }
+ else if ((endpoint_ptr->internal_infos.xrm_result.details.int_result == UCS_RET_ERR_BUFFER_OVERFLOW) ||
+ (endpoint_ptr->internal_infos.xrm_result.details.int_result == UCS_RET_ERR_API_LOCKED) ||
+ (endpoint_ptr->internal_infos.xrm_result.details.int_result == UCS_RET_ERR_INVALID_SHADOW))
+ {
+ endpoint_ptr->internal_infos.num_retries++;
+ result = UCS_RM_ROUTE_UNCRITICAL;
+ }
+ break;
+
+ default:
+ break;
+ }
+ break;
+
+ case UCS_XRM_RES_ERR_CONFIG:
+ result = UCS_RM_ROUTE_CRITICAL;
+ break;
+
+ case UCS_XRM_RES_SUCCESS_BUILD:
+ case UCS_XRM_RES_SUCCESS_DESTROY:
+ endpoint_ptr->internal_infos.num_retries = 0U;
+ break;
+
+ default:
+ break;
+ }
+
+ /* Sets route result */
+ tgt_route_ptr->internal_infos.last_route_result = result;
+ if (result == UCS_RM_ROUTE_CRITICAL)
+ {
+ result_check = true;
+ }
+ }
+
+ MISC_UNUSED(self);
+
+ return result_check;
+}
+
+/*! \brief Sets curr_route_ptr to the next route.
+ * \param self Instance pointer
+ * \return \c true if the endpoint result is critical, otherwise \c false.
+ */
+static bool Rtm_SetNextRouteIndex(CRouteManagement * self)
+{
+ bool found = false;
+
+ if ((self->routes_list_size > 0U) && (self->nw_available))
+ {
+ uint16_t tmp_idx;
+ self->curr_route_index++;
+ self->curr_route_index = self->curr_route_index%self->routes_list_size;
+ tmp_idx = self->curr_route_index;
+
+ do
+ {
+ if (((self->routes_list_ptr[self->curr_route_index].internal_infos.route_state == UCS_RM_ROUTE_SUSPENDED) &&
+ (self->routes_list_ptr[self->curr_route_index].active == true)) ||
+ ((self->routes_list_ptr[self->curr_route_index].active == true) &&
+ (self->routes_list_ptr[self->curr_route_index].internal_infos.route_state == UCS_RM_ROUTE_BUILT)) ||
+ ((self->routes_list_ptr[self->curr_route_index].active == false) &&
+ (self->routes_list_ptr[self->curr_route_index].internal_infos.route_state == UCS_RM_ROUTE_IDLE)) ||
+ ((Rtm_AreRouteNodesAvailable(self, &self->routes_list_ptr[self->curr_route_index]) == false) &&
+ (self->routes_list_ptr[self->curr_route_index].internal_infos.route_state == UCS_RM_ROUTE_IDLE)))
+ {
+ self->curr_route_index++;
+ self->curr_route_index = self->curr_route_index%self->routes_list_size;
+ }
+ else
+ {
+ found = true;
+ }
+ }
+ while ((tmp_idx != self->curr_route_index) &&
+ (found == false));
+ }
+
+ return found;
+}
+
+/*! \brief Starts the timer for handling routes.
+ * \param self Instance pointer
+ */
+static void Rtm_StartTmr4HandlingRoutes(CRouteManagement * self)
+{
+ if((T_IsTimerInUse(&self->route_check) == false) &&
+ (!self->ucs_is_stopping))
+ {
+ Tm_SetTimer(self->tm_ptr,
+ &self->route_check,
+ &Rtm_ExecRoutesHandling,
+ self,
+ RTM_JOB_CHECK_INTERVAL,
+ RTM_JOB_CHECK_INTERVAL);
+ }
+}
+
+/*! \brief Gets the next route.
+ * \param self Instance pointer
+ * \return the next route to be handled
+ */
+static Ucs_Rm_Route_t * Rtm_GetNextRoute(CRouteManagement * self)
+{
+ self->routes_list_ptr[self->curr_route_index].internal_infos.rtm_inst = (Rtm_Inst_t *)(void *)self;
+ return &self->routes_list_ptr[self->curr_route_index];
+}
+
+/*! \brief Checks if the API is locked.
+ * \param self Instance pointer
+ * \return \c true if the API is not locked and the UCS are initialized, otherwise \c false.
+ */
+static bool Rtm_IsApiFree(CRouteManagement *self)
+{
+ return (self->lock_api == false);
+}
+
+/*! \brief Locks/Unlocks the RTM API.
+ * \param self Instance pointer
+ * \param status Locking status. \c true = Lock, \c false = Unlock
+ */
+static void Rtm_ApiLocking(CRouteManagement *self, bool status)
+{
+ self->lock_api = status;
+}
+
+/*! \brief Checks whether the nodes (source and sink) of the current route is available.
+ * \param self Instance pointer
+ * \param route_ptr Reference to the Route to be looked for
+ * \return \c true if the source endpoint's node is available, otherwise \c false.
+ */
+static bool Rtm_AreRouteNodesAvailable(CRouteManagement * self, Ucs_Rm_Route_t * route_ptr)
+{
+ bool result = false;
+ MISC_UNUSED (self);
+
+ if ((route_ptr->source_endpoint_ptr != NULL) && (route_ptr->sink_endpoint_ptr != NULL))
+ {
+ if ((route_ptr->source_endpoint_ptr->node_obj_ptr != NULL) &&
+ (route_ptr->source_endpoint_ptr->node_obj_ptr->signature_ptr != NULL) &&
+ (route_ptr->sink_endpoint_ptr->node_obj_ptr != NULL) &&
+ (route_ptr->sink_endpoint_ptr->node_obj_ptr->signature_ptr != NULL))
+ {
+ if (((1U == route_ptr->source_endpoint_ptr->node_obj_ptr->internal_infos.available) ||
+ (route_ptr->source_endpoint_ptr->node_obj_ptr->signature_ptr->node_address == UCS_ADDR_LOCAL_DEV) ||
+ (Net_IsOwnAddress(self->net_ptr, route_ptr->source_endpoint_ptr->node_obj_ptr->signature_ptr->node_address) == NET_IS_OWN_ADDR_NODE)) &&
+ ((Net_IsOwnAddress(self->net_ptr, route_ptr->sink_endpoint_ptr->node_obj_ptr->signature_ptr->node_address) == NET_IS_OWN_ADDR_NODE) ||
+ (route_ptr->sink_endpoint_ptr->node_obj_ptr->signature_ptr->node_address == UCS_ADDR_LOCAL_DEV) ||
+ (1U == route_ptr->sink_endpoint_ptr->node_obj_ptr->internal_infos.available)))
+ {
+ result = true;
+ }
+ }
+ }
+ else
+ {
+ TR_ERROR((self->base_ptr->ucs_user_ptr, "[RTM]", "ERROR PARAMETER on route id {%X}: At least one endpoint is NULL.", 1U, route_ptr->route_id));
+ }
+
+ return result;
+}
+
+/*! \brief Checks if we encountered a deadlock situation with the given route and if we do, resolves It by resetting the endpoint concerned.
+ *
+ * Since we can encounter the situation that the construction of an endpoint fails and the routing management is not aware of that (synchronous vs asynchronous response)
+ * and still consider that the route is processing. In such a case the RTM process will never get a response and will wait in vain for It.
+ * Therefore, the role of this function is to release the blocking situation in resetting the concerned endpoint.
+ * \param self Instance pointer
+ * \param tgt_route_ptr Reference to the route that contains the endpoint to be looked for
+ * \param endpoint_ptr Reference to the endpoint to be looked for
+ * \return \c true if the endpoint's result is critical, otherwise \c false
+ */
+static bool Rtm_UnlockPossibleBlockings(CRouteManagement * self, Ucs_Rm_Route_t * tgt_route_ptr, Ucs_Rm_EndPoint_t * endpoint_ptr)
+{
+ bool result_critical = Rtm_CheckEpResultSeverity(self, tgt_route_ptr, endpoint_ptr);
+ if (!result_critical)
+ {
+ if (UCS_RM_ROUTE_UNCRITICAL == self->curr_route_ptr->internal_infos.last_route_result)
+ {
+ Epm_ResetState(self->epm_ptr, endpoint_ptr);
+ }
+ }
+ return result_critical;
+}
+
+/*! \brief Stops routes handling.
+ * \param self Instance pointer
+ */
+static void Rtm_StopRoutesHandling(CRouteManagement * self)
+{
+ Tm_ClearTimer(self->tm_ptr, &self->route_check);
+}
+
+/*! \brief Releases all routes endpoints and notifies that the process is terminated for all "active" routes, which are not built or suspended.
+ * \param self Instance pointer
+ */
+static void Rtm_HandleProcessTermination(CRouteManagement * self)
+{
+ if ((self->routes_list_ptr != NULL) && (self->routes_list_size > 0U))
+ {
+ uint8_t k = 0U;
+
+ for (; k < self->routes_list_size; k++)
+ {
+ Epm_ClearIntInfos(self->epm_ptr, self->routes_list_ptr[k].source_endpoint_ptr);
+ Epm_ClearIntInfos(self->epm_ptr, self->routes_list_ptr[k].sink_endpoint_ptr);
+
+ if ((self->routes_list_ptr[k].active == 1U) &&
+ (self->routes_list_ptr[k].internal_infos.notify_termination == 0U) &&
+ (self->routes_list_ptr[k].internal_infos.route_state != UCS_RM_ROUTE_BUILT) &&
+ (self->routes_list_ptr[k].internal_infos.route_state != UCS_RM_ROUTE_SUSPENDED))
+ {
+ if ((self->routes_list_ptr[k].internal_infos.route_state == UCS_RM_ROUTE_CONSTRUCTION) ||
+ (self->routes_list_ptr[k].internal_infos.route_state == UCS_RM_ROUTE_DESTRUCTION))
+ {
+ self->routes_list_ptr[k].internal_infos.route_state = UCS_RM_ROUTE_IDLE;
+ }
+
+ self->routes_list_ptr[k].internal_infos.notify_termination = 0x01U;
+ if (self->report_fptr != NULL)
+ {
+ self->report_fptr(&self->routes_list_ptr[k], UCS_RM_ROUTE_INFOS_PROCESS_STOP, self->base_ptr->ucs_user_ptr);
+ }
+ }
+ }
+ }
+}
+
+/*! \brief Resets the availability flag of all nodes involved in routing process.
+ * \param self Instance pointer
+ */
+static void Rtm_ResetNodesAvailable(CRouteManagement * self)
+{
+ uint8_t k = 0U;
+
+ if ((self->routes_list_ptr != NULL) && (self->routes_list_size > 0U))
+ {
+ for (; k < self->routes_list_size; k++)
+ {
+ if ((self->routes_list_ptr[k].sink_endpoint_ptr != NULL) &&
+ (self->routes_list_ptr[k].sink_endpoint_ptr->node_obj_ptr != NULL))
+ {
+ self->routes_list_ptr[k].sink_endpoint_ptr->node_obj_ptr->internal_infos.available = 0U;
+ }
+
+ if ((self->routes_list_ptr[k].source_endpoint_ptr != NULL) &&
+ (self->routes_list_ptr[k].source_endpoint_ptr->node_obj_ptr != NULL))
+ {
+ self->routes_list_ptr[k].source_endpoint_ptr->node_obj_ptr->internal_infos.available = 0U;
+ }
+ }
+ }
+}
+
+/*! \brief Releases all suspended routes of the given node.
+ * \details This function should only be called when the provided node, on which the suspended routes are,
+ * is set to "not available".
+ * \param self Instance pointer
+ * \param node_ptr Reference to the node to be looked for
+ */
+static void Rtm_ReleaseSuspendedRoutes(CRouteManagement * self, Ucs_Rm_Node_t *node_ptr)
+{
+ uint8_t k = 0U;
+ bool is_ep_result_critical = false;
+
+ if ((self != NULL) && (self->routes_list_ptr != NULL) &&
+ (self->routes_list_size > 0U) && (node_ptr != NULL))
+ {
+ for (; k < self->routes_list_size; k++)
+ {
+ is_ep_result_critical = Rtm_CheckEpResultSeverity(self, &self->routes_list_ptr[k], self->routes_list_ptr[k].sink_endpoint_ptr);
+ if ((self->routes_list_ptr[k].internal_infos.route_state == UCS_RM_ROUTE_SUSPENDED) ||
+ ((self->routes_list_ptr[k].internal_infos.route_state == UCS_RM_ROUTE_DETERIORATED) &&
+ (self->routes_list_ptr[k].internal_infos.last_route_result == UCS_RM_ROUTE_CRITICAL)) ||
+ ((self->routes_list_ptr[k].internal_infos.route_state == UCS_RM_ROUTE_CONSTRUCTION) &&
+ (is_ep_result_critical)))
+ {
+ if (((self->routes_list_ptr[k].source_endpoint_ptr != NULL) &&
+ (self->routes_list_ptr[k].source_endpoint_ptr->node_obj_ptr == node_ptr)) ||
+ ((self->routes_list_ptr[k].sink_endpoint_ptr != NULL) &&
+ (self->routes_list_ptr[k].sink_endpoint_ptr->node_obj_ptr == node_ptr)))
+ {
+ Rtm_ForcesRouteToIdle(self, &self->routes_list_ptr[k]);
+ }
+ }
+ }
+ }
+}
+
+/*! \brief Sets the given routes to the "Idle" state and resets its internal variables.
+ * \details This function is risky and should only be used in Rtm_ReleaseSuspendedRoutes(). Because it forces a route's state to "Idle"
+ * without any external events.
+ * \param self Instance pointer
+ * \param route_ptr Reference to the route to be set
+ */
+static void Rtm_ForcesRouteToIdle(CRouteManagement * self, Ucs_Rm_Route_t * route_ptr)
+{
+ if ((self != NULL) && (route_ptr != NULL))
+ {
+ route_ptr->internal_infos.route_state = UCS_RM_ROUTE_IDLE;
+ route_ptr->internal_infos.last_route_result = UCS_RM_ROUTE_NOERROR;
+ if (route_ptr->source_endpoint_ptr != NULL)
+ {
+ if (Rtm_CheckEpResultSeverity(self, route_ptr, route_ptr->source_endpoint_ptr))
+ {
+ Epm_ResetState(self->epm_ptr, route_ptr->source_endpoint_ptr);
+ }
+ }
+ if (route_ptr->sink_endpoint_ptr != NULL)
+ {
+ if (Rtm_CheckEpResultSeverity(self, route_ptr, route_ptr->sink_endpoint_ptr))
+ {
+ Epm_ResetState(self->epm_ptr, route_ptr->sink_endpoint_ptr);
+ }
+ }
+ }
+}
+
+/*------------------------------------------------------------------------------------------------*/
+/* Callback Functions */
+/*------------------------------------------------------------------------------------------------*/
+/*! \brief Called if UCS initialization has been succeeded.
+ * \param self Instance pointer
+ * \param event_ptr Reference to reported event
+ */
+static void Rtm_UcsInitSucceededCb(void *self, void *event_ptr)
+{
+ CRouteManagement *self_ = (CRouteManagement *)self;
+ MISC_UNUSED(event_ptr);
+
+ /* Remove ucsinit_observer */
+ Eh_DelObsrvInternalEvent(&self_->base_ptr->eh, &self_->ucsinit_observer);
+
+ /* Add network status observer */
+ Mobs_Ctor(&self_->nwstatus_observer, self, RTM_MASK_NETWORK_AVAILABILITY, &Rtm_MnsNwStatusInfosCb);
+ Net_AddObserverNetworkStatus(self_->net_ptr, &self_->nwstatus_observer);
+}
+
+/*! \brief Handle internal errors and un-initialize RTM service.
+ * \param self Instance pointer
+ * \param error_code_ptr Reference to internal error code
+ */
+static void Rtm_UninitializeService(void *self, void *error_code_ptr)
+{
+ CRouteManagement *self_ = (CRouteManagement *)self;
+ MISC_UNUSED(error_code_ptr);
+
+ self_->ucs_is_stopping = true;
+
+ /* Notify destruction of current routes */
+ Rtm_HandleProcessTermination(self_);
+
+ /* Remove RTM service from schedulers list */
+ (void)Scd_RemoveService(&self_->base_ptr->scd, &self_->rtm_srv);
+ /* Remove error/event observers */
+ Eh_DelObsrvInternalEvent(&self_->base_ptr->eh, &self_->ucstermination_observer);
+ Net_DelObserverNetworkStatus(self_->net_ptr, &self_->nwstatus_observer);
+
+ /* Unlock API */
+ Rtm_ApiLocking(self_, false);
+}
+
+/*! \brief Event Callback function for the network status.
+ * \param self Instance pointer
+ * \param event_ptr Reference to the events
+ */
+static void Rtm_MnsNwStatusInfosCb(void *self, void *event_ptr)
+{
+ CRouteManagement *self_ = (CRouteManagement *)self;
+ Net_NetworkStatusParam_t *result_ptr_ = (Net_NetworkStatusParam_t *)event_ptr;
+
+ if (RTM_MASK_NETWORK_AVAILABILITY == (RTM_MASK_NETWORK_AVAILABILITY & result_ptr_->change_mask))
+ {
+ if (UCS_NW_NOT_AVAILABLE == result_ptr_->availability)
+ {
+ self_->nw_available = false;
+ /* Resets Nodes availability flag */
+ Rtm_ResetNodesAvailable(self_);
+ /* Reports Network Status "NotAvailabe" */
+ Epm_ReportShutDown(self_->epm_ptr);
+ }
+ else
+ {
+ self_->nw_available = true;
+ /* Check whether there are routes to be processed */
+ Rtm_StartRoutingTimer (self_);
+ }
+ }
+}
+
+/*! \brief Event Callback function that signals that an endpoint is unavailable.
+ * \param self Instance pointer
+ * \param result_ptr Reference to the results
+ */
+static void Rtm_EndPointDeterioredCb(void *self, void *result_ptr)
+{
+ Ucs_Rm_Route_t * route_ptr = (Ucs_Rm_Route_t *)self;
+ Ucs_Rm_EndPoint_t * ep_ptr = (Ucs_Rm_EndPoint_t *)result_ptr;
+
+ if ((route_ptr->source_endpoint_ptr == ep_ptr) ||
+ (route_ptr->sink_endpoint_ptr == ep_ptr))
+ {
+ if (route_ptr->internal_infos.route_state == UCS_RM_ROUTE_BUILT)
+ {
+ TR_INFO((((CRouteManagement *)(void *)route_ptr->internal_infos.rtm_inst)->base_ptr->ucs_user_ptr, "[RTM]", "Route id %X is deteriorated", 1U, route_ptr->route_id));
+ if (ep_ptr->endpoint_type == UCS_RM_EP_SOURCE)
+ {
+ route_ptr->internal_infos.src_obsvr_initialized = 0U;
+ }
+
+ Rtm_HandleRoutingError((CRouteManagement *)(void *)route_ptr->internal_infos.rtm_inst, route_ptr);
+
+ if ((((CRouteManagement *)(void *)route_ptr->internal_infos.rtm_inst)->nw_available) &&
+ (!((CRouteManagement *)(void *)route_ptr->internal_infos.rtm_inst)->ucs_is_stopping))
+ {
+ Rtm_StartTmr4HandlingRoutes((CRouteManagement *)(void *)route_ptr->internal_infos.rtm_inst);
+ }
+ else if (((CRouteManagement *)(void *)route_ptr->internal_infos.rtm_inst)->ucs_is_stopping)
+ {
+ Rtm_HandleProcessTermination((CRouteManagement *)(void *)route_ptr->internal_infos.rtm_inst);
+ }
+ }
+ }
+ else
+ {
+ TR_ERROR((((CRouteManagement *)(void *)route_ptr->internal_infos.rtm_inst)->base_ptr->ucs_user_ptr, "[RTM]", "Wrong endpoint {%X} of type %s on route id {%X}.", 3U,
+ ep_ptr, (ep_ptr->endpoint_type == UCS_RM_EP_SOURCE) ? "Source":"Sink", route_ptr->route_id));
+ }
+}
+
+/*! \brief Processes the handling of all routes. This method is the callback function of the routing timer
+ * \c route_chek.
+ * \param self Instance pointer
+ */
+static void Rtm_ExecRoutesHandling(void* self)
+{
+ CRouteManagement *self_ = (CRouteManagement *)self;
+ if (!self_->ucs_is_stopping)
+ {
+ bool index_set = Rtm_SetNextRouteIndex(self_);
+ if (index_set)
+ {
+ Srv_SetEvent(&self_->rtm_srv, RTM_EVENT_HANDLE_NEXTROUTE);
+ }
+ else
+ {
+ Srv_SetEvent(&self_->rtm_srv, RTM_EVENT_PROCESS_PAUSE);
+ TR_INFO((self_->base_ptr->ucs_user_ptr, "[RTM]", "Handling process of routes is paused", 0U));
+ }
+ }
+ else
+ {
+ Rtm_HandleProcessTermination(self_);
+ }
+}
+
+/*!
+ * @}
+ * \endcond
+ */
+
+/*------------------------------------------------------------------------------------------------*/
+/* End of file */
+/*------------------------------------------------------------------------------------------------*/
+