1 /*! 2 * \file trc_component.h 3 * \brief OpenCSD : Base trace decode component. 4 * 5 * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. 6 */ 7 8 9 /* 10 * Redistribution and use in source and binary forms, with or without modification, 11 * are permitted provided that the following conditions are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright notice, 14 * this list of conditions and the following disclaimer. 15 * 16 * 2. Redistributions in binary form must reproduce the above copyright notice, 17 * this list of conditions and the following disclaimer in the documentation 18 * and/or other materials provided with the distribution. 19 * 20 * 3. Neither the name of the copyright holder nor the names of its contributors 21 * may be used to endorse or promote products derived from this software without 22 * specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 26 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 27 * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 28 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 29 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 30 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 31 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 33 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 #ifndef ARM_TRC_COMPONENT_H_INCLUDED 37 #define ARM_TRC_COMPONENT_H_INCLUDED 38 39 #include <string> 40 #include "comp_attach_pt_t.h" 41 #include "interfaces/trc_error_log_i.h" 42 #include "ocsd_error.h" 43 44 class errLogAttachMonitor; 45 46 /** @addtogroup ocsd_infrastructure 47 @{*/ 48 49 /*! 50 * @class TraceComponent 51 * @brief Base class for all decode components in the library. 52 * 53 * Provides error logging attachment point and component type and instance naming 54 * Interface for handling of component operational mode. 55 */ 56 class TraceComponent 57 { 58 public: 59 TraceComponent(const std::string &name); 60 TraceComponent(const std::string &name, int instIDNum); 61 virtual ~TraceComponent(); /**< Default Destructor */ 62 63 const std::string &getComponentName() const { return m_name; }; 64 void setComponentName(const std::string &name) { m_name = name; }; 65 66 /** Error logger attachment point.*/ 67 componentAttachPt<ITraceErrorLog> *getErrorLogAttachPt() { return &m_error_logger; }; 68 69 /*! 70 * Set the operational mode for the component. 71 * This controls the way the component behaves under error conditions etc. 72 * These flags may also control output formats or data. 73 * Operation mode flags used are component specific and defined by derived classes. 74 * 75 * @param op_flags : Set of operation mode flags. 76 * 77 * @return ocsd_err_t : OCSD_OK if flags supported by this component, error if unsuppored 78 */ 79 ocsd_err_t setComponentOpMode(uint32_t op_flags); 80 81 /*! 82 * Return the current operational mode flags values 83 * 84 * @return const uint32_t : Op Mode flags. 85 */ 86 const uint32_t getComponentOpMode() const { return m_op_flags; }; 87 88 /*! 89 * Get the supported operational mode flags for this component. 90 * Base class will return nothing supported. 91 * Derived class must set the value correctly for the component. 92 * 93 * @return const uint32_t : Supported flags values. 94 */ 95 const uint32_t getSupportedOpModes() const { return m_supported_op_flags; }; 96 97 /*! 98 * Set associated trace component - used by generic code to track 99 * packet processor / packet decoder pairs. 100 * 101 * @param *assocComp : pointer to the associated component 102 */ 103 void setAssocComponent(TraceComponent *assocComp) { m_assocComp = assocComp; }; 104 105 106 /*! 107 * get associated trace component pointer 108 * 109 * @return TraceComponent *: associated component. 110 */ 111 TraceComponent *getAssocComponent() { return m_assocComp; }; 112 113 /*! 114 * Log a message at the default severity on this component. 115 */ 116 void LogDefMessage(const std::string &msg) 117 { 118 LogMessage(m_errVerbosity, msg); 119 } 120 121 protected: 122 friend class errLogAttachMonitor; 123 124 void LogError(const ocsdError &Error); 125 void LogMessage(const ocsd_err_severity_t filter_level, const std::string &msg); 126 const ocsd_err_severity_t getErrorLogLevel() const { return m_errVerbosity; }; 127 const bool isLoggingErrorLevel(const ocsd_err_severity_t level) const { return level <= m_errVerbosity; }; 128 void updateErrorLogLevel(); 129 130 void do_attach_notify(const int num_attached); 131 void Init(const std::string &name); 132 133 uint32_t m_op_flags; //!< current component operational mode flags. 134 uint32_t m_supported_op_flags; //!< supported component operational mode flags - derived class to intialise. 135 136 private: 137 componentAttachPt<ITraceErrorLog> m_error_logger; 138 ocsd_hndl_err_log_t m_errLogHandle; 139 ocsd_err_severity_t m_errVerbosity; 140 errLogAttachMonitor *m_pErrAttachMon; 141 142 std::string m_name; 143 144 TraceComponent *m_assocComp; //!< associated component -> if this is a pkt decoder, associated pkt processor. 145 }; 146 /** @}*/ 147 #endif // ARM_TRC_COMPONENT_H_INCLUDED 148 149 /* End of File trc_component.h */ 150