[4] | 1 | /**
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| 2 | * @file logger.cpp
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| 3 | * @author myusgun@gmail.com
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| 4 | * @brief logger
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| 5 | */
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| 6 | #include "cf/logger.h"
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| 7 | #include "cf/codec.h"
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| 8 | #include "cf/file.h"
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| 9 | #include "cf/task.h"
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| 10 | #include "cf/util.h"
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| 11 |
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| 12 | #ifdef _ON_WINDOWS
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| 13 | # include <direct.h>
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| 14 | #else
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| 15 | # include <sys/stat.h>
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| 16 | # include <sys/types.h>
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| 17 | #endif
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| 18 |
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| 19 | #include <errno.h>
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| 20 | #include <string.h>
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| 21 |
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| 22 | #define LOG_SUFFIX ".log"
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| 23 | #define DATE_NUM(_d) ((_d.mYear * 10000) + (_d.mMonth * 100) + (_d.mDay))
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| 24 |
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| 25 | /*--------------------------------------------------------------*/
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| 26 |
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| 27 | static std::string getFullPath(const std::string & path,
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| 28 | const std::string & prefix,
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| 29 | const cf::int32_t option)
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| 30 | throw (cf::exception)
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| 31 | {
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| 32 | try
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| 33 | {
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| 34 | std::string filepath = path + cf::file::getDelimiter() + prefix;
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| 35 |
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| 36 | /* OPTINAL : append date if daily-rotated */
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| 37 | if (option & cf::logger::DAILY)
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| 38 | {
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| 39 | cf::util::datetime dt = cf::util::getInstance()->getDateTime();
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| 40 |
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| 41 | cf::char_t buf[16] = {0x00,};
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| 42 | snprintf(buf, sizeof(buf) - 1,
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| 43 | ".%04d%02d%02d",
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| 44 | dt.mYear,
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| 45 | dt.mMonth,
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| 46 | dt.mDay);
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| 47 |
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| 48 | filepath += buf;
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| 49 | }
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| 50 |
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| 51 | filepath += STR("." << cf::task::process::id());
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| 52 |
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| 53 | /* FORCED : append file-extension */
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| 54 | filepath += LOG_SUFFIX;
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| 55 |
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| 56 | return filepath;
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| 57 | }
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| 58 | catch (cf::exception &e)
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| 59 | {
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| 60 | FORWARD_EXCEPTION(e);
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| 61 | }
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| 62 | }
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| 63 |
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| 64 | /*--------------------------------------------------------------*/
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| 65 |
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| 66 | cf::logger::logger()
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| 67 | throw (cf::exception)
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| 68 | {
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| 69 | /* none : level 0 */
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| 70 | cf::logger::LOG_CTX ctx;
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| 71 |
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| 72 | ctx.mOption = 0;
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| 73 | memset(&ctx.mOptionParam, 0x00, sizeof(ctx.mOptionParam));
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| 74 | ctx.mFP = NULL;
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| 75 |
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| 76 | mLogPool.push_back(ctx);
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| 77 | }
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| 78 |
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| 79 | cf::logger::~logger()
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| 80 | {
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| 81 | /* close fp / release-vector-item */
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| 82 | std::vector<FILE *> fpPool;
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| 83 | std::vector<FILE *>::iterator fpIter;
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| 84 | std::vector<cf::logger::LOG_CTX>::iterator ctxIter;
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| 85 |
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| 86 | for (ctxIter = mLogPool.begin() ; ctxIter != mLogPool.end() ; ctxIter++)
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| 87 | {
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| 88 | cf::bool_t found = false;
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| 89 | for (fpIter = fpPool.begin() ; fpIter != fpPool.end() ; fpIter++)
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| 90 | {
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| 91 | if (ctxIter->mFP == (*fpIter))
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| 92 | {
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| 93 | found = true;
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| 94 | break;
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| 95 | }
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| 96 | }
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| 97 |
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| 98 | if (!found)
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| 99 | fpPool.push_back(ctxIter->mFP);
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| 100 | }
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| 101 |
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| 102 | for (fpIter = fpPool.begin() ; fpIter != fpPool.end() ; fpIter++)
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| 103 | {
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| 104 | if (*fpIter)
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| 105 | fclose(*fpIter);
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| 106 | }
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| 107 | }
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| 108 |
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| 109 | cf::logger * cf::logger::getInstance()
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| 110 | {
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| 111 | static logger instance;
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| 112 |
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| 113 | return &instance;
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| 114 | }
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| 115 |
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| 116 | cf::void_t cf::logger::rotateByDate(const cf::int32_t level,
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| 117 | const cf::util::datetime & dt)
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| 118 | throw (cf::exception)
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| 119 | {
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| 120 | try
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| 121 | {
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| 122 | /* check datetime */
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| 123 | cf::int32_t current = DATE_NUM(dt);
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| 124 |
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| 125 | if (mLogPool[level].mOptionParam.mCurrentDateTime == current)
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| 126 | return;
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| 127 |
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| 128 | open(level);
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| 129 |
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| 130 | /* replace datetime */
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| 131 | std::vector<cf::logger::LOG_CTX>::iterator iter;
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| 132 | for (iter = mLogPool.begin() ; iter != mLogPool.end() ; iter++)
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| 133 | {
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| 134 | if (iter->mFullPath == mLogPool[level].mFullPath)
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| 135 | iter->mOptionParam.mCurrentDateTime = current;
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| 136 | }
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| 137 | }
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| 138 | catch (cf::exception &e)
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| 139 | {
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| 140 | FORWARD_EXCEPTION(e);
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| 141 | }
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| 142 | }
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| 143 |
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| 144 | cf::void_t cf::logger::rotateBySize(const cf::int32_t level)
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| 145 | throw (cf::exception)
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| 146 | {
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| 147 | try
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| 148 | {
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| 149 | /* check size */
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| 150 | cf::file logFile(mLogPool[level].mFullPath.c_str());
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| 151 | if (logFile.size() < mLogPool[level].mOptionParam.mMaxLogSize)
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| 152 | return;
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| 153 |
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| 154 | rename(level);
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| 155 | open(level);
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| 156 | }
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| 157 | catch (cf::exception &e)
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| 158 | {
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| 159 | FORWARD_EXCEPTION(e);
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| 160 | }
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| 161 | }
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| 162 |
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| 163 | cf::void_t cf::logger::open(const cf::int32_t level)
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| 164 | throw (cf::exception)
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| 165 | {
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| 166 | try
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| 167 | {
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| 168 | if (!mOpenMutex.trylock())
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| 169 | {
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| 170 | while (mOpenMutex.locked())
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| 171 | /* waiting */;
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| 172 |
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| 173 | return;
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| 174 | }
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| 175 |
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| 176 | if (!cf::file(mPath.c_str()).exists())
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| 177 | cf::file::makedir(mPath.c_str());
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| 178 |
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| 179 | std::string prefix = mLogPool[level].mPrefix;
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| 180 | const cf::int32_t option = mLogPool[level].mOption;
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| 181 |
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| 182 | std::string fullpath = getFullPath(mPath, prefix, option);
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| 183 |
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| 184 | #ifdef _ON_WINDOWS
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| 185 | # define FOPEN_MODE "ab+"
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| 186 | #else
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| 187 | # define FOPEN_MODE "a+"
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| 188 | #endif
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| 189 | FILE * fp = fopen(fullpath.c_str(), FOPEN_MODE);
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| 190 | if (!fp)
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| 191 | THROW_EXCEPTION("cannot open logfile {" << fullpath << "} ("
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| 192 | << errno << ":" << strerror(errno) << ")");
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| 193 |
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| 194 | replace(prefix, option, fp);
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| 195 |
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| 196 | mOpenMutex.unlock();
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| 197 | }
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| 198 | catch (cf::exception &e)
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| 199 | {
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| 200 | mOpenMutex.unlock();
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| 201 | FORWARD_EXCEPTION(e);
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| 202 | }
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| 203 | }
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| 204 |
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| 205 | cf::void_t cf::logger::rename(const cf::int32_t level)
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| 206 | throw (cf::exception)
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| 207 | {
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| 208 | try
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| 209 | {
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| 210 | if (!mRenameMutex.trylock())
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| 211 | {
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| 212 | while (mRenameMutex.locked())
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| 213 | /* waiting */;
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| 214 |
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| 215 | return;
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| 216 | }
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| 217 |
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| 218 | std::string oldpath = mLogPool[level].mFullPath;
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| 219 | std::string newpath = oldpath;
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| 220 |
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| 221 | cf::int32_t idx = 0;
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| 222 | cf::bool_t continued = true;
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| 223 |
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| 224 | while (continued)
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| 225 | {
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| 226 | std::string name = newpath + "." + STR(++idx);
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| 227 |
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| 228 | file file(name.c_str());
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| 229 |
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| 230 | if (!file.exists())
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| 231 | break;
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| 232 | }
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| 233 |
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| 234 | newpath += "." + STR(idx);
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| 235 |
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| 236 | replace(mLogPool[level].mPrefix, mLogPool[level].mOption, NULL);
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| 237 |
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| 238 | file(oldpath.c_str()).rename(newpath.c_str());
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| 239 |
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| 240 | mRenameMutex.unlock();
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| 241 | }
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| 242 | catch (cf::exception &e)
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| 243 | {
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| 244 | mRenameMutex.unlock();
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| 245 | FORWARD_EXCEPTION(e);
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| 246 | }
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| 247 | }
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| 248 |
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| 249 | cf::void_t cf::logger::replace(const std::string & prefix,
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| 250 | const cf::int32_t option,
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| 251 | FILE * newfp)
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| 252 | {
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| 253 | FILE * oldfp = NULL;
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| 254 |
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| 255 | std::vector<cf::logger::LOG_CTX>::iterator iter;
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| 256 | for (iter = mLogPool.begin() ; iter != mLogPool.end() ; iter++)
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| 257 | {
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| 258 | if (iter->mPrefix == prefix && iter->mOption == option)
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| 259 | {
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| 260 | if (!oldfp)
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| 261 | oldfp = iter->mFP;
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| 262 |
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| 263 | iter->mFP = newfp;
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| 264 | }
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| 265 | }
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| 266 |
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| 267 | if (oldfp)
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| 268 | fclose(oldfp);
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| 269 | }
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| 270 |
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| 271 | cf::void_t cf::logger::init(const std::string & path)
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| 272 | {
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| 273 | mPath = path;
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| 274 | }
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| 275 |
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| 276 | cf::void_t cf::logger::add(const std::string & prefix,
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| 277 | const cf::int32_t level,
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| 278 | const std::string & description,
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| 279 | const cf::int32_t option,
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| 280 | const cf::int32_t rotationSize)
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| 281 | throw (cf::exception)
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| 282 | {
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| 283 | try
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| 284 | {
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| 285 | /* if already registered level */
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| 286 | if (level < static_cast<cf::int32_t>(mLogPool.size()))
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| 287 | return;
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| 288 |
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| 289 | if (level > static_cast<cf::int32_t>(mLogPool.size()))
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| 290 | THROW_EXCEPTION("level {" << level
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| 291 | << "} is not sequential(expected {"
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| 292 | << mLogPool.size() << "}");
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| 293 |
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| 294 | cf::logger::LOG_CTX ctx;
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| 295 |
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| 296 | ctx.mOption = option;
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| 297 | ctx.mOptionParam.mMaxLogSize = rotationSize * 1024 * 1024;
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| 298 | ctx.mPrefix = prefix;
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| 299 | ctx.mDescription = description;
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| 300 | ctx.mFullPath = getFullPath(mPath, prefix, option);
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| 301 | ctx.mFP = NULL;
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| 302 |
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| 303 | mLogPool.push_back(ctx);
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| 304 |
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| 305 | open(level);
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| 306 | }
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| 307 | catch (cf::exception &e)
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| 308 | {
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| 309 | FORWARD_EXCEPTION(e);
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| 310 | }
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| 311 | }
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| 312 |
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| 313 | cf::int32_t cf::logger::getLevel()
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| 314 | {
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| 315 | return mLogLevel;
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| 316 | }
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| 317 |
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| 318 | cf::void_t cf::logger::setLevel(const cf::int32_t level)
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| 319 | {
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| 320 | mLogLevel = level;
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| 321 | }
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| 322 |
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| 323 | std::string cf::logger::getPath(const cf::int32_t level) const
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| 324 | throw (cf::exception)
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| 325 | {
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| 326 | return mLogPool[level].mFullPath;
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| 327 | }
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| 328 |
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| 329 | cf::bool_t cf::logger::isRegistered(const cf::int32_t level) const
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| 330 | {
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| 331 | if (level >= static_cast<cf::int32_t>(mLogPool.size()))
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| 332 | return false;
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| 333 |
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| 334 | return true;
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| 335 | }
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| 336 |
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| 337 | cf::bool_t cf::logger::isEnabled(const cf::int32_t level) const
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| 338 | {
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| 339 | /* check registered */
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| 340 | if (!isRegistered(level))
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| 341 | return false;
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| 342 |
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| 343 | /* check option */
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| 344 | if (mLogPool[level].mOption & logger::FORCED)
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| 345 | return true;
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| 346 |
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| 347 | /* check max level */
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| 348 | if (level > mLogLevel)
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| 349 | return false;
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| 350 |
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| 351 | return true;
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| 352 | }
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| 353 |
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| 354 | cf::void_t cf::logger::write(const cf::int32_t level,
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| 355 | const std::string & msg)
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| 356 | {
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| 357 | try
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| 358 | {
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| 359 | /* check level */
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| 360 | if (!isRegistered(level))
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| 361 | THROW_EXCEPTION("{" << level << "} not registered");
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| 362 |
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| 363 | if (!isEnabled(level))
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| 364 | THROW_EXCEPTION("not enabled {" << level << "}");
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| 365 |
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| 366 | /* ready */
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| 367 | cf::int32_t option = mLogPool[level].mOption;
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| 368 |
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| 369 | cf::util::datetime dt = cf::util::getInstance()->getDateTime();
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| 370 |
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| 371 | /* rotate */
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| 372 | if (option & logger::DAILY)
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| 373 | rotateByDate(level, dt);
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| 374 |
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| 375 | if (option & logger::SIZE)
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| 376 | rotateBySize(level);
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| 377 |
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| 378 | if (!cf::file(mLogPool[level].mFullPath.c_str()).exists())
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| 379 | open(level);
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| 380 |
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| 381 | /* set current */
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| 382 | const cf::char_t * desc = mLogPool[level].mDescription.c_str();
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| 383 | cf::char_t info[64] = {0x00,};
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| 384 | snprintf(info, sizeof(info) - 1,
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| 385 | "[%04d.%02d.%02d %02d:%02d:%02d.%03d][%u]",
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| 386 | dt.mYear, dt.mMonth, dt.mDay,
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| 387 | dt.mHour, dt.mMin, dt.mSec, dt.mUsec,
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| 388 | task::thread::id());
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| 389 |
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| 390 | /* write */
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| 391 | if (mLogPool[level].mFP)
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| 392 | {
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| 393 | fprintf(mLogPool[level].mFP, "%s [%s] %s\n", info, desc, msg.c_str());
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| 394 | fflush(mLogPool[level].mFP);
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| 395 | }
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| 396 | }
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| 397 | catch (cf::exception &e)
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| 398 | {
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| 399 | fprintf(stderr, "%s\n", e.stackTrace().c_str());
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| 400 | fprintf(stderr, "%s\n", msg.c_str());
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| 401 | }
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| 402 | }
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