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Diff for /libaitio/src/aitio.c between versions 1.7 and 1.9.2.1

version 1.7, 2011/10/31 13:53:51 version 1.9.2.1, 2012/04/02 09:10:30
Line 12  terms: Line 12  terms:
 All of the documentation and software included in the ELWIX and AITNET  All of the documentation and software included in the ELWIX and AITNET
 Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>  Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
   
Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
         by Michael Pounov <misho@elwix.org>.  All rights reserved.          by Michael Pounov <misho@elwix.org>.  All rights reserved.
   
 Redistribution and use in source and binary forms, with or without  Redistribution and use in source and binary forms, with or without
Line 86  io_SetErr(int eno, char *estr, ...) Line 86  io_SetErr(int eno, char *estr, ...)
   
   
 /*  /*
 * ioPromptRead() Read data from input h[0] with prompt to output h[1] * ioPromptRead() - Read data from input h[0] with prompt to output h[1]
  *
  * @h = file handles h[0] = input, h[1] = output, if NULL use stdin, stdout   * @h = file handles h[0] = input, h[1] = output, if NULL use stdin, stdout
  * @csPrompt = Prompt before input, may be NULL   * @csPrompt = Prompt before input, may be NULL
  * @psData = Readed data   * @psData = Readed data
Line 139  ioPromptRead(int *h, const char *csPrompt, char * __re Line 140  ioPromptRead(int *h, const char *csPrompt, char * __re
 }  }
   
 /*  /*
 * ioPromptPassword() Read password from input h[0] with prompt to output h[1] * ioPromptPassword() - Read password from input h[0] with prompt to output h[1]
  *
  * @h = file handles h[0] = input, h[1] = output, if NULL use stdin, stdout   * @h = file handles h[0] = input, h[1] = output, if NULL use stdin, stdout
  * @csPrompt = Prompt before input, may be NULL   * @csPrompt = Prompt before input, may be NULL
  * @psPass = Readed password   * @psPass = Readed password
Line 225  next: Line 227  next:
 }  }
   
 /*  /*
 * ioRegexVerify() Function for verify data match in regex expression * ioRegexVerify() - Function for verify data match in regex expression
  *
  * @csRegex = Regulare expression pattern   * @csRegex = Regulare expression pattern
  * @csData = Data for check and verify   * @csData = Data for check and verify
  * @startPos = Return start positions   * @startPos = Return start positions
Line 273  ioRegexVerify(const char *csRegex, const char *csData, Line 276  ioRegexVerify(const char *csRegex, const char *csData,
 }  }
   
 /*  /*
 * ioRegexGet() Function for get data match in regex expression * ioRegexGet() - Function for get data match in regex expression
  *
  * @csRegex = Regulare expression pattern   * @csRegex = Regulare expression pattern
  * @csData = Data from get   * @csData = Data from get
  * @psString = Returned string if match   * @psString = Returned string if match
Line 303  ioRegexGet(const char *csRegex, const char *csData, ch Line 307  ioRegexGet(const char *csRegex, const char *csData, ch
 }  }
   
 /*  /*
 * ioRegexReplace() Function for replace data match in regex expression with newdata * ioRegexReplace() - Function for replace data match in regex expression with newdata
  *
  * @csRegex = Regulare expression pattern   * @csRegex = Regulare expression pattern
  * @csData = Source data   * @csData = Source data
  * @csNew = Data for replace   * @csNew = Data for replace
Line 352  ioRegexReplace(const char *csRegex, const char *csData Line 357  ioRegexReplace(const char *csRegex, const char *csData
 }  }
   
 /*  /*
 * ioVarAst() Function for evaluate string like asterisk variable "{text[:[-]#[:#]]}" * ioStrAst() - Function for evaluate string like asterisk variable "{text[:[-]#[:#]]}"
  *
  * @csString = Input string   * @csString = Input string
  * return: NULL error, !=NULL Allocated new string evaluated from input string, must be free()   * return: NULL error, !=NULL Allocated new string evaluated from input string, must be free()
 */  */
 char *  char *
ioVarAst(const char *csString)ioStrAst(const char *csString)
 {  {
         char *ext, *str, *out = NULL;          char *ext, *str, *out = NULL;
         int e[2] = { 0 };          int e[2] = { 0 };
Line 402  ioVarAst(const char *csString) Line 408  ioVarAst(const char *csString)
   
   
 /*  /*
 * ioMkDir() Function for racursive directory creation and validation * ioMkDir() - Function for racursive directory creation and validation
  *
  * @csDir = Full directory path   * @csDir = Full directory path
  * @mode = Mode for directory creation if missing dir   * @mode = Mode for directory creation if missing dir
  * return: -1 error, 0 directory path exist, >0 created missing dirs   * return: -1 error, 0 directory path exist, >0 created missing dirs
Line 449  end: Line 456  end:
 }  }
   
 /*  /*
 * ioWatchDirLoop() Function for watching changes in directory and fire callback * ioWatchDirLoop() - Function for watching changes in directory and fire callback
  *
  * @csDir = Full directory path   * @csDir = Full directory path
  * @callback = Callback if raise event! nOp -1 delete, 0 change/move, 1 create   * @callback = Callback if raise event! nOp -1 delete, 0 change/move, 1 create
  * return: -1 error, !=-1 ok, number of total signaled events   * return: -1 error, !=-1 ok, number of total signaled events
Line 560  ioWatchDirLoop(const char *csDir, int (*callback)(cons Line 568  ioWatchDirLoop(const char *csDir, int (*callback)(cons
 }  }
   
 /*  /*
 * ioCreatePIDFile() Create PID file * ioCreatePIDFile() - Create PID file
  *
  * @csName = PID filename   * @csName = PID filename
  * @ifExists = !=0 if filename exists return error   * @ifExists = !=0 if filename exists return error
  * return: -1 error or 0 ok   * return: -1 error or 0 ok
Line 583  ioCreatePIDFile(const char *csName, int ifExists) Line 592  ioCreatePIDFile(const char *csName, int ifExists)
         write(fd, str, strlen(str));          write(fd, str, strlen(str));
         close(fd);          close(fd);
         return 0;          return 0;
   }
   
   
   /*
    * ioSendFile() - AITNET sendfile() userland implementation, not dependant from OS
    *
    * @s = socket
    * @csFile = file for send
    * @sendLen = bytes to send, if 0 send all data
    * @offset = start file offset
    * @sndbuf = SO_SNDBUF value, if 0 use default
    * return: 0 error, >0 ok, sended bytes
    */
   size_t
   ioSendFile(int s, const char *csFile, size_t sendLen, off_t offset, int sndbuf)
   {
           void *addr;
           int fd;
           size_t len = 0;
           register size_t off = 0;
   
           if (!csFile)
                   return 0;
   
           if (sndbuf)
                   if (setsockopt(s, SOL_SOCKET, SO_SNDBUF, &sndbuf, sizeof sndbuf) == -1) {
                           LOGERR;
                           return 0;
                   }
   
           fd = open(csFile, O_RDONLY);
           if (fd == -1) {
                   LOGERR;
                   return 0;
           }
           if (!sendLen) {
                   sendLen = lseek(fd, 0, SEEK_END);
                   if (sendLen == -1) {
                           LOGERR;
                           close(fd);
                           return 0;
                   }
           }
           addr = mmap(NULL, sendLen, PROT_READ, MAP_SHARED, fd, offset);
           if (addr == MAP_FAILED) {
                   LOGERR;
                   close(fd);
                   return 0;
           } else
                   close(fd);
   
           while (off < sendLen && (len = write(s, addr + off, sendLen - off)) != -1)
                   off += len;
           if (len == -1) {
                   LOGERR;
                   munmap(addr, sendLen);
                   return 0;
           } else
                   len = off;
   
           if (len != sendLen) {
                   io_SetErr(ECANCELED, "Different sizes - request %u bytes, actually sended %u bytes\n", 
                                   sendLen, len);
                   len ^= len;
           }
   
           munmap(addr, sendLen);
           return len;
   }
   
   /*
    * ioRecvFile() - Receive file from socket, fastest (zero-copy) way
    *
    * @s = socket
    * @csFile = file for receive
    * @recvLen = receive bytes
    * @over = overwrite file if exists with mode like 0644
    * @rcvbuf = SO_RCVBUF value, if 0 use default
    * return: 0 error, >0 ok, received bytes
    */
   size_t
   ioRecvFile(int s, const char *csFile, size_t recvLen, int over, int rcvbuf)
   {
           void *addr;
           int fd;
           size_t len = 0;
           register size_t off = 0;
           struct pollfd pfd = { s, POLLIN | POLLPRI, 0 };
   
           if (!csFile || !recvLen)
                   return 0;
           if (!over && !access(csFile, F_OK))
                   return 0;
   
           if (rcvbuf)
                   if (setsockopt(s, SOL_SOCKET, SO_RCVBUF, &rcvbuf, sizeof rcvbuf) == -1) {
                           LOGERR;
                           return 0;
                   }
   
           fd = open(csFile, O_WRONLY | O_CREAT | O_TRUNC, over);
           if (fd == -1) {
                   LOGERR;
                   unlink(csFile);
                   return 0;
           }
           if (ftruncate(fd, recvLen) == -1) {
                   LOGERR;
                   close(fd);
                   unlink(csFile);
                   return 0;
           }
           addr = mmap(NULL, recvLen, PROT_WRITE, MAP_SHARED, fd, 0);
           if (addr == MAP_FAILED) {
                   LOGERR;
                   close(fd);
                   unlink(csFile);
                   return 0;
           } else
                   close(fd);
   
           while (off < recvLen && poll(&pfd, 1, RECV_TIMEOUT) != -1)
                   while (off < recvLen && (len = read(s, addr + off, recvLen - off)) != -1)
                           off += len;
           if (len == -1) {
                   LOGERR;
                   munmap(addr, recvLen);
                   unlink(csFile);
                   return 0;
           } else
                   len = off;
   
           if (len != recvLen)
                   io_SetErr(EAGAIN, "Different sizes - request %u bytes, actually received %u bytes\n", 
                                   recvLen, len);
   
           munmap(addr, recvLen);
           return len;
 }  }
Removed from v.1.7  
changed lines
  Added in v.1.9.2.1

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