xref: /freebsd/contrib/opencsd/decoder/include/common/ocsd_msg_logger.h (revision 95ee2897e98f5d444f26ed2334cc7c439f9c16c6)
1 /*!
2  * \file       ocsd_msg_logger.h
3  * \brief      OpenCSD : Generic Message logger / printer
4  *
5  * \copyright  Copyright (c) 2015, ARM Limited. All Rights Reserved.
6  */
7 
8 /*
9  * Redistribution and use in source and binary forms, with or without modification,
10  * are permitted provided that the following conditions are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright notice,
13  * this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright notice,
16  * this list of conditions and the following disclaimer in the documentation
17  * and/or other materials provided with the distribution.
18  *
19  * 3. Neither the name of the copyright holder nor the names of its contributors
20  * may be used to endorse or promote products derived from this software without
21  * specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
25  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26  * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
27  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
29  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
30  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
32  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33  */
34 
35 #ifndef ARM_OCSD_MSG_LOGGER_H_INCLUDED
36 #define ARM_OCSD_MSG_LOGGER_H_INCLUDED
37 
38 #include <string>
39 #include <fstream>
40 
41 class ocsdMsgLogStrOutI
42 {
43 public:
44 	ocsdMsgLogStrOutI() {};
45 	virtual ~ocsdMsgLogStrOutI() {};
46 
47 	virtual void printOutStr(const std::string &outStr) = 0;
48 };
49 
50 class ocsdMsgLogger
51 {
52 public:
53     ocsdMsgLogger();
54     ~ocsdMsgLogger();
55 
56     /** Typedef enum providing flags to define the output methods for the message logger.
57     */
58     typedef enum {
59         OUT_NONE = 0,   /*!< No output from logger*/
60         OUT_FILE = 1,   /*!< Output to file */
61         OUT_STDERR = 2, /*!< Output to stderr */
62         OUT_STDOUT = 4, /*!< Output to stdout */
63 		OUT_STR_CB = 8	/*!< output to external string callback interface */
64     } output_dest;
65 
66     void setLogOpts(int logOpts); //!< set the output logging flags.
67 	const int getLogOpts() const  //! get the current output logging flags value.
68     { return m_outFlags; };
69 
70 	void setLogFileName(const char *fileName);  //!< Set the output log filename, and enable logging to file.
71 	void setStrOutFn(ocsdMsgLogStrOutI *p_IstrOut); //!< Set the output log string callback and enable logging to callback.
72 
73     void LogMsg(const std::string &msg); //!< Log a message to the current set output channels.
74 
75     const bool isLogging() const; //!< true if logging active
76 
77 private:
78     int m_outFlags;
79 
80     std::string m_logFileName;
81     std::fstream m_out_file;
82 	ocsdMsgLogStrOutI *m_pOutStrI;
83 };
84 
85 #endif // ARM_OCSD_MSG_LOGGER_H_INCLUDED
86 
87 /* End of File ocsd_msg_logger.h */
88