diff -r 000000000000 -r c40eb8fe8501 wlan_bearer/wlanengine/wlan_common/wlanengine_common_3.1/inc/core_operation_base.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wlan_bearer/wlanengine/wlan_common/wlanengine_common_3.1/inc/core_operation_base.h	Tue Feb 02 02:03:13 2010 +0200
@@ -0,0 +1,330 @@
+/*
+* Copyright (c) 2005-2006 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Base class for wlan engine operations
+*
+*/
+
+
+#ifndef CORE_OPERATION_BASE_H
+#define CORE_OPERATION_BASE_H
+
+#include "core_types.h"
+
+class core_server_c;
+class abs_core_driverif_c;
+class abs_core_server_callback_c;
+
+/**
+ * Base class for wlan engine operations
+ *
+ * @lib wlmserversrv.lib
+ * @since S60 v3.1
+ */
+NONSHARABLE_CLASS( core_operation_base_c )
+    {
+
+public:
+
+    /**
+     * Defines the possible operation states used in the state machine
+     * of the base class.
+     */     
+    enum core_base_state_e
+        {
+        core_base_state_init = 0,
+        core_base_state_load_drivers,
+        core_base_state_user_cancel,
+        core_base_state_next,
+        core_base_state_MAX
+        };
+
+    /**
+     * Defines the possible feature flags an operation can have.
+     */
+    enum core_base_flag_e
+        {
+        /**
+         * No special features.
+         */
+        core_base_flag_none = 0,
+        /**
+         * Operation needs drivers. The drivers will be automatically
+         * loaded if not yet loaded.
+         */
+        core_base_flag_drivers_needed = 1,
+        /**
+         * Operation needs a onnection to a WLAN AP. This flag is used
+         * to clear the operation queue from connection related operations
+         * after a connection has been closed.
+         */
+        core_base_flag_connection_needed = 2,
+        /**
+         * Only one instance of the operation is allowed in the operation
+         * queue.
+         */
+        core_base_flag_only_one_instance = 4,
+        /**
+         * The operation is a roam operation.
+         */
+        core_base_flag_roam_operation = 8
+        };
+
+    core_operation_base_c(
+        core_operation_type_e type,
+        u32_t request_id,
+        core_server_c* server,
+        abs_core_driverif_c* drivers,
+        abs_core_server_callback_c* adaptation,
+        u32_t feature_flags );
+
+    virtual ~core_operation_base_c();
+
+    /**
+     * starts the operation
+     *
+     * @since S60 v3.1
+     * @return status of the operation:
+     *     core_error_request_pending if the operation is not finished,
+     *     otherwise the status code of the finished operation
+     */
+    core_error_e start_operation();
+
+    /**
+     * callback to previously made asynchronous request
+     *
+     * @since S60 v3.1
+     * @param request_status Status of the completed request.
+     * @return status of the operation:
+     *     core_error_request_pending if the operation is not finished,
+     *     otherwise the status code of the finished operation
+     */
+    core_error_e continue_operation(
+        core_error_e request_status );
+
+    /**
+     * cancels the operation
+     *
+     * @since S60 v3.1
+     * @return status of the operation:
+     *     core_error_request_pending if the operation is not finished,
+     *     otherwise the status code of the finished operation
+     */
+    core_error_e cancel_operation();
+
+    /**
+     * User cancels the operation
+     *
+     * @since S60 v3.2
+     * @param do_graceful_cancel Whether cancel should be graceful or forced.
+     */
+    void user_cancel_operation( 
+        bool_t do_graceful_cancel );
+
+    /**
+     * returns the request_id related to this operation
+     *
+     * @since S60 v3.1
+     * @return enum specifying operation type
+     */
+    u32_t request_id() const;
+
+    /**
+     * returns the operation type
+     *
+     * @since S60 v3.1
+     * @return enum specifying operation type
+     */
+    core_operation_type_e operation_type() const;
+
+    /**
+     * whether operation is executing or not ("in queue")
+     * 
+     * @since S60 v3.1
+     * @return true or false
+     */
+    bool_t is_executing() const;
+
+    /**
+     * Check whether the operation has the given feature flags.
+     * 
+     * @since S60 v3.1
+     * @param u32_t The feature flags to check for.
+     * @return Whether the operation has the given feature flags.
+     */
+    bool_t is_flags(
+        u32_t feature_flags ) const;
+
+protected:
+
+    /**
+     * This method is called when a pending request has been completed
+     * and sub-operations are pending.
+     *
+     * @since S60 v3.1
+     * @return status of the operation:
+     *     core_error_request_pending if the operation is not finished,
+     *     otherwise the status code of the finished operation
+     */
+    virtual core_error_e next_state() = 0;
+
+    /**
+     * This method is called when the operation needs to be canceled.     
+     *
+     * @since S60 v3.1
+     * @return status of the operation:
+     *     core_error_request_pending if the operation is not finished,
+     *     otherwise the status code of the finished operation
+     */
+    virtual core_error_e cancel();
+
+    /**
+     * This method is called when user want the operation to be canceled.
+     *
+     * @since S60 v3.2
+     * @param do_graceful_cancel Whether cancel should be graceful or forced.
+     */
+    virtual void user_cancel(
+        bool_t do_graceful_cancel );
+
+    /**
+     * Change to another state.
+     *
+     * @since S60 v3.1
+     * @param state The new state.
+     * @return status of the operation:
+     *     core_error_request_pending if the operation is not finished,
+     *     otherwise the status code of the finished operation     
+     */
+    core_error_e goto_state(
+        u32_t state );
+
+    /** 
+     * Start a sub-operation and advance to the next state if
+     * operation completes successfully.
+     *
+     * If the sub-operation fails, will initiate canceling.
+     * 
+     * @since S60 v3.1
+     * @param sub_operation The sub-operation to start.
+     * @return status of the operation:
+     *     core_error_request_pending if the operation is not finished,
+     *     otherwise the status code of the finished operation
+     */
+    core_error_e run_sub_operation(
+        core_operation_base_c* sub_operation );
+
+    /** 
+     * Start a sub-operation and advance to the next state if
+     * operation completes successfully.
+     *
+     * If the sub-operation fails, will initiate canceling.
+     * 
+     * @since S60 v3.1
+     * @param sub_operation The sub-operation to start.
+     * @param state The new state.
+     * @return status of the operation:
+     *     core_error_request_pending if the operation is not finished,
+     *     otherwise the status code of the finished operation
+     */
+    core_error_e run_sub_operation(
+        core_operation_base_c* sub_operation,
+        u32_t state );
+
+    /**
+     * Change to another state asynchronously.
+     *
+     * @since S60 v3.1
+     * @param state The new state.
+     * @param delay Delay before changing state in microseconds.
+     * @return Returns always core_error_request_pending.
+     */     
+    core_error_e asynch_goto(
+        u32_t state,
+        u32_t delay = CORE_TIMER_IMMEDIATELY );
+
+    /**
+     * The asynchronous version of the default user cancel handler.
+     *
+     * This method is meant for situations where the cancel cannot
+     * proceed because the operation is waiting for an event.
+     *
+     * @since S60 v3.2
+     */
+    void asynch_default_user_cancel();
+
+protected: // data
+
+    /**
+     * Request_id is used for identifying the initial caller.
+     */
+    u32_t request_id_m;
+
+    /**
+     * Pointer to the core_server instance.
+     * Not owned by this pointer.
+     */
+    core_server_c* server_m;
+
+    /**
+     * Pointer to low-level management functionality.
+     * Not owned by this pointer.
+     */
+    abs_core_driverif_c* drivers_m;
+
+    /**
+     * Pointer to the upper-level management functionality.
+     * Not owned by this pointer.
+     */
+    abs_core_server_callback_c* adaptation_m;
+
+    /**
+     * Has this operation been started or not.
+     */
+    bool_t is_executing_m;
+
+    /**
+     * Whether this operation is currently being canceled.
+     */
+    bool_t is_canceling_m;
+
+    /**
+     * Internal state of the operation.
+     */
+    u32_t operation_state_m;
+
+    /**
+     * The pending sub-operation.
+     */
+    core_operation_base_c* sub_operation_m;
+
+    /**
+     * Operation failure reason.
+     */
+    core_error_e failure_reason_m;
+
+private: // data    
+
+    /**
+     * specifies the type of the operation (e.g. connect, scan, ...)
+     */
+    core_operation_type_e operation_type_m;
+
+    /**
+     * Defines the features of the operation.
+     */
+    u32_t feature_flags_m;
+
+    };
+
+#endif // CORE_OPERATION_BASE_H