| 1 | //#--------------------------------------------------------------------------- | 
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| 2 | //# PKSmsg.h: Message handling for the PKSIO classes. | 
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| 3 | //#--------------------------------------------------------------------------- | 
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| 4 | //# livedata - processing pipeline for single-dish, multibeam spectral data. | 
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| 5 | //# Copyright (C) 2008-2009, Australia Telescope National Facility, CSIRO | 
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| 6 | //# | 
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| 7 | //# This file is part of livedata. | 
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| 8 | //# | 
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| 9 | //# livedata is free software: you can redistribute it and/or modify it under | 
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| 10 | //# the terms of the GNU General Public License as published by the Free | 
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| 11 | //# Software Foundation, either version 3 of the License, or (at your option) | 
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| 12 | //# any later version. | 
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| 13 | //# | 
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| 14 | //# livedata is distributed in the hope that it will be useful, but WITHOUT | 
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| 15 | //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | 
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| 16 | //# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for | 
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| 17 | //# more details. | 
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| 18 | //# | 
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| 19 | //# You should have received a copy of the GNU General Public License along | 
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| 20 | //# with livedata.  If not, see <http://www.gnu.org/licenses/>. | 
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| 21 | //# | 
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| 22 | //# Correspondence concerning livedata may be directed to: | 
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| 23 | //#        Internet email: mcalabre@atnf.csiro.au | 
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| 24 | //#        Postal address: Dr. Mark Calabretta | 
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| 25 | //#                        Australia Telescope National Facility, CSIRO | 
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| 26 | //#                        PO Box 76 | 
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| 27 | //#                        Epping NSW 1710 | 
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| 28 | //#                        AUSTRALIA | 
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| 29 | //# | 
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| 30 | //# http://www.atnf.csiro.au/computing/software/livedata.html | 
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| 31 | //# $Id: PKSmsg.h,v 1.3 2009-09-29 07:33:38 cal103 Exp $ | 
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| 32 | //#--------------------------------------------------------------------------- | 
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| 33 | //# Original: 2008/09/18, Mark Calabretta, ATNF | 
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| 34 | //#--------------------------------------------------------------------------- | 
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| 35 |  | 
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| 36 | #ifndef ATNF_PKSMSG_H | 
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| 37 | #define ATNF_PKSMSG_H | 
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| 38 |  | 
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| 39 | #include <casa/stdio.h> | 
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| 40 |  | 
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| 41 | using namespace std; | 
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| 42 |  | 
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| 43 | // <summary> | 
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| 44 | // Message handling for the PKSIO classes. | 
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| 45 | // </summary> | 
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| 46 |  | 
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| 47 | class PKSmsg | 
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| 48 | { | 
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| 49 | public: | 
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| 50 | // Constructor. | 
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| 51 | PKSmsg(); | 
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| 52 |  | 
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| 53 | // Destructor. | 
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| 54 | virtual ~PKSmsg(); | 
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| 55 |  | 
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| 56 | // Set message disposition.  If fd is non-zero messages will be written | 
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| 57 | // to that file descriptor, else stored for retrieval by getMsg(). | 
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| 58 | virtual int setMsg( | 
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| 59 | FILE *fd = 0x0); | 
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| 60 |  | 
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| 61 | // Log a message. | 
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| 62 | virtual void logMsg(const char *msg = 0x0); | 
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| 63 |  | 
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| 64 | // Get a message string, or 0x0 if there is none.  The null-terminated | 
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| 65 | // message string may contain embedded newline characters and will have | 
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| 66 | // a trailing newline. | 
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| 67 | const char *getMsg(); | 
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| 68 |  | 
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| 69 | // Get the next group of messages by type: ERROR, WARNING, or otherwise. | 
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| 70 | // The null-terminated message string may contain embedded newline | 
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| 71 | // characters but will NOT have a trailing newline.  Call this repeatedly | 
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| 72 | // to unwind the message stack (otherwise messages may be lost). | 
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| 73 | enum msgType {NORMAL, WARNING, ERROR}; | 
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| 74 | const char *getMsg(msgType &type); | 
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| 75 |  | 
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| 76 | // Clear the message buffer. | 
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| 77 | void clearMsg(void); | 
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| 78 |  | 
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| 79 | protected: | 
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| 80 | // Initialize messaging. | 
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| 81 | void initMsg(); | 
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| 82 |  | 
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| 83 | private: | 
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| 84 | // For messaging. | 
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| 85 | char *cMsgBuff, *cMsgIdx; | 
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| 86 | int   cMsgLen, cNMsg; | 
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| 87 | FILE *cMsgFD; | 
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| 88 | }; | 
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| 89 |  | 
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| 90 | #endif | 
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