[1452] | 1 | //#--------------------------------------------------------------------------- |
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| 2 | //# PKSmsg.cc: Message handling for the PKSIO classes. |
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| 3 | //#--------------------------------------------------------------------------- |
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[1720] | 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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[1452] | 6 | //# |
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[1720] | 7 | //# This file is part of livedata. |
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[1452] | 8 | //# |
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[1720] | 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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[1452] | 15 | //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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[1720] | 16 | //# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
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| 17 | //# more details. |
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[1452] | 18 | //# |
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[1720] | 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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[1452] | 21 | //# |
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[1720] | 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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[1452] | 29 | //# |
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[1720] | 30 | //# http://www.atnf.csiro.au/computing/software/livedata.html |
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| 31 | //# $Id: PKSmsg.cc,v 1.3 2009-09-29 07:33:38 cal103 Exp $ |
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[1452] | 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 | #include <atnf/PKSIO/PKSmsg.h> |
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| 37 | |
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| 38 | #include <casa/stdio.h> |
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| 39 | |
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| 40 | #include <string> |
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[1733] | 41 | #include <cstring> |
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[1452] | 42 | |
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| 43 | //------------------------------------------------------------- PKSmsg::PKSmsg |
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| 44 | |
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| 45 | // Default constructor. |
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| 46 | |
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| 47 | PKSmsg::PKSmsg() |
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| 48 | { |
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| 49 | initMsg(); |
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| 50 | } |
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| 51 | |
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| 52 | void PKSmsg::initMsg() |
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| 53 | { |
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| 54 | cMsgFD = stderr; |
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| 55 | cMsgLen = 0; |
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| 56 | cMsgBuff = 0x0; |
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| 57 | cMsgIdx = cMsgBuff; |
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| 58 | cNMsg = 0; |
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| 59 | } |
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| 60 | |
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| 61 | //------------------------------------------------------------ PKSmsg::~PKSmsg |
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| 62 | |
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| 63 | // Destructor. |
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| 64 | |
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| 65 | PKSmsg::~PKSmsg() |
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| 66 | { |
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| 67 | delete [] cMsgBuff; |
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| 68 | cMsgBuff = 0x0; |
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| 69 | cMsgIdx = cMsgBuff; |
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| 70 | } |
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| 71 | |
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| 72 | //------------------------------------------------------------- PKSmsg::setMsg |
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| 73 | |
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| 74 | // Set message disposition. If fd is non-zero messages will be written |
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| 75 | // to that file descriptor, else stored for retrieval by getMsg(). |
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| 76 | |
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| 77 | int PKSmsg::setMsg(FILE *fd) |
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| 78 | { |
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| 79 | cMsgFD = fd; |
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| 80 | |
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| 81 | if (cMsgFD == 0x0) { |
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| 82 | clearMsg(); |
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| 83 | |
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| 84 | } else { |
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| 85 | delete [] cMsgBuff; |
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| 86 | cMsgLen = 0; |
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| 87 | cMsgBuff = 0x0; |
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| 88 | cMsgIdx = cMsgBuff; |
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| 89 | } |
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| 90 | |
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| 91 | return 0; |
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| 92 | } |
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| 93 | |
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| 94 | //------------------------------------------------------------- PKSmsg::logMsg |
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| 95 | |
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| 96 | // Log a message. |
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| 97 | |
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| 98 | void PKSmsg::logMsg(const char *msg) |
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| 99 | { |
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| 100 | if (msg) { |
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| 101 | if (cMsgFD) { |
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| 102 | fprintf(cMsgFD, "%s\n", msg); |
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| 103 | |
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| 104 | } else { |
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| 105 | // Expand the message buffer if necessary. |
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| 106 | if (!cMsgBuff) { |
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| 107 | cMsgLen = 128; |
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| 108 | cMsgBuff = new char[cMsgLen]; |
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| 109 | cMsgIdx = cMsgBuff; |
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| 110 | clearMsg(); |
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| 111 | } |
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| 112 | |
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| 113 | int used = strlen(cMsgBuff); |
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| 114 | int free = cMsgLen - (used + 1); |
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| 115 | int xtra = 1 + strlen(msg); |
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| 116 | if (free < xtra) { |
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| 117 | if (xtra < 128) xtra = 128; |
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| 118 | cMsgLen += xtra; |
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| 119 | char *newBuff = new char[cMsgLen]; |
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| 120 | strcpy(newBuff, cMsgBuff); |
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| 121 | delete [] cMsgBuff; |
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| 122 | cMsgBuff = newBuff; |
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| 123 | cMsgIdx = cMsgBuff; |
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| 124 | } |
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| 125 | |
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| 126 | sprintf(cMsgBuff+used, "%s%s", ((cNMsg++)?"\n":""), msg); |
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| 127 | } |
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| 128 | } |
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| 129 | } |
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| 130 | |
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| 131 | //------------------------------------------------------------- PKSmsg::getMsg |
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| 132 | |
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| 133 | // Get a message string, or 0x0 if there is none. |
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| 134 | |
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| 135 | const char *PKSmsg::getMsg() |
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| 136 | { |
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| 137 | if (cMsgBuff && *cMsgBuff) { |
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| 138 | cMsgIdx = cMsgBuff; |
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| 139 | return cMsgBuff; |
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| 140 | } |
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| 141 | |
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| 142 | return 0x0; |
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| 143 | } |
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| 144 | |
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| 145 | |
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| 146 | // Get the next group of messages by type: ERROR, WARNING, or otherwise. |
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| 147 | |
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| 148 | const char *PKSmsg::getMsg(msgType &type) |
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| 149 | { |
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| 150 | if (cMsgIdx && *cMsgIdx) { |
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| 151 | if (strncmp(cMsgIdx, "ERROR", 5) == 0) { |
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| 152 | type = ERROR; |
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| 153 | } else if (strncmp(cMsgIdx, "WARNING", 7) == 0) { |
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| 154 | type = WARNING; |
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| 155 | } else { |
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| 156 | type = NORMAL; |
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| 157 | } |
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| 158 | |
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| 159 | // Gather multi-line messages. |
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| 160 | char *cp = cMsgIdx; |
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| 161 | while ((cMsgIdx = strchr(cMsgIdx, '\n'))) { |
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| 162 | cMsgIdx++; |
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| 163 | |
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| 164 | if (type == ERROR) { |
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| 165 | if (strncmp(cMsgIdx, "ERROR", 5) == 0 || |
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| 166 | strncmp(cMsgIdx, " ", 5) == 0) { |
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| 167 | continue; |
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| 168 | } |
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| 169 | |
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| 170 | } else if (type == WARNING) { |
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| 171 | if (strncmp(cMsgIdx, "WARNING", 7) == 0 || |
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| 172 | strncmp(cMsgIdx, " ", 7) == 0) { |
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| 173 | continue; |
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| 174 | } |
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| 175 | |
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| 176 | } else { |
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| 177 | if (strncmp(cMsgIdx, "ERROR", 5) || |
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| 178 | strncmp(cMsgIdx, "WARNING", 7)) { |
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| 179 | continue; |
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| 180 | } |
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| 181 | } |
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| 182 | |
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| 183 | *(cMsgIdx-1) = '\0'; |
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| 184 | break; |
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| 185 | } |
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| 186 | |
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| 187 | return cp; |
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| 188 | } |
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| 189 | |
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| 190 | return 0x0; |
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| 191 | } |
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| 192 | |
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| 193 | //----------------------------------------------------------- PKSmsg::clearMsg |
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| 194 | |
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| 195 | // Clear the message buffer. |
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| 196 | |
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| 197 | void PKSmsg::clearMsg(void) |
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| 198 | { |
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| 199 | if (cMsgBuff) *cMsgBuff = '\0'; |
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| 200 | cMsgIdx = cMsgBuff; |
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| 201 | cNMsg = 0; |
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| 202 | } |
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