probe_file/da_io.h

   1 /*\r
   2  *  DA probe\r
   3  *\r
   4  * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.\r
   5  *\r
   6  * Contact: \r
   7  *\r
   8  * Jaewon Lim <jaewon81.lim@samsung.com>\r
   9  * Woojin Jung <woojin2.jung@samsung.com>\r
  10  * Juyoung Kim <j0.kim@samsung.com>\r
  11  * \r
  12  * This library is free software; you can redistribute it and/or modify it under\r
  13  * the terms of the GNU Lesser General Public License as published by the\r
  14  * Free Software Foundation; either version 2.1 of the License, or (at your option)\r
  15  * any later version.\r
  16  * \r
  17  * This library is distributed in the hope that it will be useful, but WITHOUT ANY\r
  18  * WARRANTY; without even the implied warranty of MERCHANTABILITY or\r
  19  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public\r
  20  * License for more details.\r
  21  *\r
  22  * You should have received a copy of the GNU Lesser General Public License\r
  23  * along with this library; if not, write to the Free Software Foundation, Inc., 51\r
  24  * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\r
  25  *\r
  26  * Contributors:\r
  27  * - S-Core Co., Ltd\r
  28  * \r
  29  */\r
  30 \r
  31 #ifndef __DA_IO_H__\r
  32 #define __DA_IO_H__\r
  33 \r
  34 #include <stdio.h>\r
  35 #include <sys/types.h>\r
  36 #include <sys/stat.h>\r
  37 #include <unistd.h>\r
  38 \r
  39 #include "daprobe.h"\r
  40 \r
  41 /********************************************************************\r
  42  * RESOURCE PROBE MACRO\r
  43  *\r
  44  * log format\r
  45  *              SeqNumber`,ApiName`,Time`,Pid`,Tid`,InputParm`,Return`,PCAddr`,Error`,\r
  46  *              Size`,FDValue`,FDType`,FDApiType`,\n\r
  47  *              callstack_start`,callstack`,callstack_end\r
  48  *\r
  49  * fd type\r
  50  *              FD_TYPE_FILE, FD_TYPE_SOCKET\r
  51  *\r
  52  * fd api type\r
  53  *              FD_API_TYPE_OPEN, FD_API_TYPE_CLOSE, FD_API_TYPE_READ, FD_API_TYPE_WRITE,\r
  54  *              FD_API_TYPE_DIRECTORY, FD_API_TYPE_PERMISSION, FD_API_TYPE_OTHER,\r
  55  *              FD_API_TYPE_SEND, FD_API_TYPE_RECEIVE, FD_API_TYPE_OPTION, FD_API_TYPE_MANAGE\r
  56  *\r
  57  ************************************************************************/\r
  58 \r
  59 // ===================================================================\r
  60 // macro for file probe\r
  61 // ===================================================================\r
  62 \r
  63 #define GET_FD_FROM_FILEP(FILEP)        \\r
  64         _fd = (FILEP != NULL) ? fileno(FILEP) : -1\r
  65 \r
  66 #define DECLARE_VARIABLE_FD                                                     \\r
  67                 DECLARE_VARIABLE_STANDARD;                                      \\r
  68                 char* _filepath = "";                                           \\r
  69                 int __attribute((unused)) _fd;                          \\r
  70                 int __attribute((unused)) _fstatret = -1;       \\r
  71                 struct stat __attribute((unused)) _statbuf\r
  72 \r
  73 // =================================================================\r
  74 // POST_PROBEBLOCK_MIDDLE for file\r
  75 // =================================================================\r
  76 \r
  77 #define POST_PROBEBLOCK_MIDDLE_FD(SIZE, FD, APITYPE)                                                    \\r
  78         log.length += sprintf(log.data + log.length, "`,%u`,%d`,%d`,%d`,%ld`,%s",       \\r
  79                         SIZE, FD, FD_FILE, APITYPE, (_fstatret == 0 ? _statbuf.st_size : 0), _filepath)\r
  80 \r
  81 #define POST_PROBEBLOCK_MIDDLE_NOFD(SIZE, APITYPE)                                                      \\r
  82         log.length += sprintf(log.data + log.length, "`,%u`,`,%d`,%d`,0`,%s",   \\r
  83                         SIZE, FD_FILE, APITYPE, _filepath)\r
  84 \r
  85 #define POST_PROBEBLOCK_CALLSTACK_RESOURCE(APITYPE)                                     \\r
  86         do {                                                                                                                    \\r
  87                 if(APITYPE == FD_API_OPEN) {                                                            \\r
  88                         APPEND_LOG_CALLSTACK();                                                                 \\r
  89                 } else if(unlikely(newerrno != 0 || blockresult == 2)) {        \\r
  90                         APPEND_LOG_CALLSTACK();                                                                 \\r
  91                 } else {                                                                                                        \\r
  92                         APPEND_LOG_NULL_CALLSTACK();                                                    \\r
  93                 }                                                                                                                       \\r
  94         } while(0)\r
  95 \r
  96 // ==================================================================\r
  97 // BEFORE_ORIGINAL macro for file\r
  98 // ==================================================================\r
  99 \r
 100 #define BEFORE_ORIGINAL_FILE(FUNCNAME, LIBNAME) \\r
 101         DECLARE_VARIABLE_FD;                                            \\r
 102         GET_REAL_FUNC(FUNCNAME, LIBNAME);                       \\r
 103         PRE_PROBEBLOCK()\r
 104 \r
 105 #define BEFORE_ORIGINAL_FILE_NOFILTER(FUNCNAME, LIBNAME)        \\r
 106         DECLARE_VARIABLE_FD;                                                                    \\r
 107         GET_REAL_FUNC(FUNCNAME, LIBNAME);                                               \\r
 108         bfiltering = false;                                                                             \\r
 109         PRE_PROBEBLOCK()\r
 110 \r
 111 // ==================================================================\r
 112 // AFTER_ORIGINAL macro for file\r
 113 // ==================================================================\r
 114 \r
 115 #define AFTER_ORIGINAL_FD_RET(RTYPE, RVAL, SIZE, FD, APITYPE, INPUTFORMAT, ...) \\r
 116         POST_PROBEBLOCK_BEGIN(LC_RESOURCE, RTYPE, RVAL, INPUTFORMAT, __VA_ARGS__);      \\r
 117         _fstatret = fstat(FD, &_statbuf);                                                                                       \\r
 118         POST_PROBEBLOCK_MIDDLE_FD(SIZE, FD, APITYPE);                                                           \\r
 119         POST_PROBEBLOCK_CALLSTACK_RESOURCE(APITYPE);                                                            \\r
 120         POST_PROBEBLOCK_END()\r
 121 \r
 122 #define AFTER_ORIGINAL_NOFD_RET(RTYPE, RVAL, SIZE, APITYPE, INPUTFORMAT, ...)   \\r
 123         POST_PROBEBLOCK_BEGIN(LC_RESOURCE, RTYPE, RVAL, INPUTFORMAT, __VA_ARGS__);      \\r
 124         POST_PROBEBLOCK_MIDDLE_NOFD(SIZE, APITYPE);                                                                     \\r
 125         POST_PROBEBLOCK_CALLSTACK_RESOURCE(APITYPE);                                                            \\r
 126         POST_PROBEBLOCK_END()\r
 127 \r
 128 #define AFTER_ORIGINAL_FILEP_RET(RTYPE, RVAL, SIZE, FILEP, APITYPE, INPUTFORMAT, ...)   \\r
 129         POST_PROBEBLOCK_BEGIN(LC_RESOURCE, RTYPE, RVAL, INPUTFORMAT, __VA_ARGS__);                      \\r
 130         GET_FD_FROM_FILEP(FILEP);                                                                                                                       \\r
 131         if(_fd != -1) {                                                                                                                                         \\r
 132                 _fstatret = fstat(_fd, &_statbuf);                                                                                              \\r
 133         }                                                                                                                                                                       \\r
 134         if(_fstatret != 0) PRINTMSG("ERROR : fstat error\n");                                                           \\r
 135         POST_PROBEBLOCK_MIDDLE_FD(SIZE, _fd, APITYPE);                                                                          \\r
 136         POST_PROBEBLOCK_CALLSTACK_RESOURCE(APITYPE);                                                                            \\r
 137         POST_PROBEBLOCK_END()\r
 138 \r
 139 \r
 140 #define AFTER_ORIGINAL_FD(SIZE, FD, APITYPE, INPUTFORMAT, ...)                  \\r
 141         AFTER_ORIGINAL_FD_RET(VT_INT, ret, SIZE, FD, APITYPE, INPUTFORMAT, __VA_ARGS__)\r
 142 \r
 143 #define AFTER_ORIGINAL_NOFD(SIZE, APITYPE, INPUTFORMAT, ...)                    \\r
 144         AFTER_ORIGINAL_NOFD_RET(VT_INT, ret, SIZE, APITYPE, INPUTFORMAT, __VA_ARGS__)\r
 145 \r
 146 #define AFTER_ORIGINAL_FILEP(SIZE, FILEP, APITYPE, INPUTFORMAT, ...)    \\r
 147         AFTER_ORIGINAL_FILEP_RET(VT_INT, ret, SIZE, FILEP, APITYPE, INPUTFORMAT, __VA_ARGS__)\r
 148 \r
 149 #endif  // __DA_IO_H__\r