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Diff for /libaitio/src/aitio.c between versions 1.4 and 1.10.6.3

version 1.4, 2011/04/19 20:00:31	version 1.10.6.3, 2012/05/23 12:16:13
Line 1	Line 1
/*************************************************************************	/*************************************************************************
* (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>	* (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitnet.org>
* by Michael Pounov <misho@openbsd-bg.org>	* by Michael Pounov <misho@elwix.org>
*	*
* $Author$	* $Author$
* $Id$	* $Id$
*	*
*************************************************************************/	**************************************************************************
	The ELWIX and AITNET software is distributed under the following
	terms:

	All of the documentation and software included in the ELWIX and AITNET
	Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>

	Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
	by Michael Pounov <misho@elwix.org>. All rights reserved.

	Redistribution and use in source and binary forms, with or without
	modification, are permitted provided that the following conditions
	are met:
	1. Redistributions of source code must retain the above copyright
	notice, this list of conditions and the following disclaimer.
	2. Redistributions in binary form must reproduce the above copyright
	notice, this list of conditions and the following disclaimer in the
	documentation and/or other materials provided with the distribution.
	3. All advertising materials mentioning features or use of this software
	must display the following acknowledgement:
	This product includes software developed by Michael Pounov <misho@elwix.org>
	ELWIX - Embedded LightWeight unIX and its contributors.
	4. Neither the name of AITNET nor the names of its contributors
	may be used to endorse or promote products derived from this software
	without specific prior written permission.

	THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
	ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	SUCH DAMAGE.
	*/
#include "global.h"	#include "global.h"


Line 14 int io_Debug;	Line 51 int io_Debug;

#pragma GCC visibility push(hidden)	#pragma GCC visibility push(hidden)

	int io_mpool;

int io_Errno;	int io_Errno;
char io_Error[STRSIZ];	char io_Error[STRSIZ];

Line 21 char io_Error[STRSIZ];	Line 60 char io_Error[STRSIZ];


// io_GetErrno() Get error code of last operation	// io_GetErrno() Get error code of last operation
inline int io_GetErrno()	inline int
	io_GetErrno()
{	{
return io_Errno;	return io_Errno;
}	}

// io_GetError() Get error text of last operation	// io_GetError() Get error text of last operation
inline const char *io_GetError()	inline const char *
	io_GetError()
{	{
return io_Error;	return io_Error;
}	}

// io_SetErr() Set error to variables for internal use!!!	// io_SetErr() Set error to variables for internal use!!!
inline void io_SetErr(int eno, char *estr, ...)	inline void
	io_SetErr(int eno, char *estr, ...)
{	{
va_list lst;	va_list lst;

Line 44 inline void io_SetErr(int eno, char *estr, ...)	Line 86 inline void io_SetErr(int eno, char *estr, ...)
va_end(lst);	va_end(lst);
}	}

	// mpool_inuse() Check for mpool usage
	inline int
	mpool_inuse()
	{
	return io_mpool;
	}


	// init libaitio routine
	void
	_init()
	{
	#ifdef USE_MPOOL
	io_mpool = 42;
	#else
	io_mpool = 0;
	#endif
	}

	// fini libaitio routine
	void
	_fini()
	{
	}


/*	/*
* 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
* @dataLen = Length of data	* @dataLen = Length of data
* return: 0 EOF; -1 error:: can`t read; >0 count of readed chars	* return: 0 EOF; -1 error:: can`t read; >0 count of readed chars
*/	*/
int ioPromptRead(int h, const char csPrompt, char * __restrict psData, int dataLen)	int
	ioPromptRead(int h, const char csPrompt, char * __restrict psData, int dataLen)
{	{
int ok = 0;	int ok = 0;
FILE inp, out;	FILE inp, out;
Line 98 int ioPromptRead(int h, const char csPrompt, char *	Line 167 int ioPromptRead(int h, const char csPrompt, char *
}	}

/*	/*
* 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 106 int ioPromptRead(int h, const char csPrompt, char *	Line 176 int ioPromptRead(int h, const char csPrompt, char *
* @confirm = Confirm password, 0 - get password, !=0 Ask for confirmation	* @confirm = Confirm password, 0 - get password, !=0 Ask for confirmation
* return: 0 EOF; -1 error:: can`t read; >0 count of readed chars	* return: 0 EOF; -1 error:: can`t read; >0 count of readed chars
*/	*/
int ioPromptPassword(int h, const char csPrompt, char * __restrict psPass, int passLen, int confirm)	int
	ioPromptPassword(int h, const char csPrompt, char * __restrict psPass, int passLen, int confirm)
{	{
int ret, ok = 0;	int ret, ok = 0;
FILE inp, out;	FILE inp, out;
Line 183 next:	Line 254 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
* @endPos = Return end positions	* @endPos = Return end positions
* return: NULL not match or error; !=NULL begin of matched data	* return: NULL not match or error; !=NULL begin of matched data
*/	*/
const char ioRegexVerify(const char csRegex, const char csData, int startPos, int *endPos)	const char *
	ioRegexVerify(const char csRegex, const char csData, int startPos, int endPos)
{	{
regex_t re;	regex_t re;
regmatch_t match;	regmatch_t match;
Line 203 const char ioRegexVerify(const char csRegex, const c	Line 276 const char ioRegexVerify(const char csRegex, const c

if ((ret = regcomp(&re, csRegex, REG_EXTENDED))) {	if ((ret = regcomp(&re, csRegex, REG_EXTENDED))) {
regerror(ret, &re, szErr, STRSIZ);	regerror(ret, &re, szErr, STRSIZ);
io_SetErr(ret, "Error:: %s\n", szErr);	io_SetErr(ret, "%s", szErr);
regfree(&re);	regfree(&re);
return NULL;	return NULL;
}	}
Line 221 const char ioRegexVerify(const char csRegex, const c	Line 294 const char ioRegexVerify(const char csRegex, const c

if (ret) {	if (ret) {
regerror(ret, &re, szErr, STRSIZ);	regerror(ret, &re, szErr, STRSIZ);
io_SetErr(ret, "Error:: %s\n", szErr);	io_SetErr(ret, "%s", szErr);
pos = NULL;	pos = NULL;
}	}

Line 230 const char ioRegexVerify(const char csRegex, const c	Line 303 const char ioRegexVerify(const char csRegex, const c
}	}

/*	/*
* 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
* @strLen = Length of string	* @strLen = Length of string
* return: 0 not match; >0 count of returned chars	* return: 0 not match; >0 count of returned chars
*/	*/
int ioRegexGet(const char csRegex, const char csData, char * __restrict psString, int strLen)	int
	ioRegexGet(const char csRegex, const char csData, char * __restrict psString, int strLen)
{	{
int sp, ep, len;	int sp, ep, len;
const char *str;	const char *str;
Line 259 int ioRegexGet(const char csRegex, const char csData	Line 334 int ioRegexGet(const char csRegex, const char csData
}	}

/*	/*
* 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
* return: NULL not match or error; !=NULL allocated new string, must be free after use!	* return: NULL not match or error; !=NULL allocated new string, must be xfree after use!
*/	*/
char ioRegexReplace(const char csRegex, const char csData, const char csNew)	char *
	ioRegexReplace(const char csRegex, const char csData, const char *csNew)
{	{
int sp, ep, len;	int sp, ep, len;
char *str = NULL;	char *str = NULL;
Line 278 char ioRegexReplace(const char csRegex, const char *	Line 355 char ioRegexReplace(const char csRegex, const char *

// ___ before match	// ___ before match
len = sp + 1;	len = sp + 1;
str = malloc(len);	str = xmalloc(len);
if (!str) {	if (!str) {
LOGERR;	LOGERR;
return NULL;	return NULL;
Line 287 char ioRegexReplace(const char csRegex, const char *	Line 364 char ioRegexReplace(const char csRegex, const char *
// * replace match *	// * replace match *
if (csNew) {	if (csNew) {
len += strlen(csNew);	len += strlen(csNew);
str = realloc(str, len);	str = xrealloc(str, len);
if (!str) {	if (!str) {
LOGERR;	LOGERR;
return NULL;	return NULL;
Line 296 char ioRegexReplace(const char csRegex, const char *	Line 373 char ioRegexReplace(const char csRegex, const char *
}	}
// after match ___	// after match ___
len += strlen(csData) - ep;	len += strlen(csData) - ep;
str = realloc(str, len);	str = xrealloc(str, len);
if (!str) {	if (!str) {
LOGERR;	LOGERR;
return NULL;	return NULL;
Line 307 char ioRegexReplace(const char csRegex, const char *	Line 384 char ioRegexReplace(const char csRegex, const char *
}	}

/*	/*
* 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 xfree()
*/	*/
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 322 ioVarAst(const char *csString)	Line 400 ioVarAst(const char *csString)

if (!strchr(csString, '{') \|\| !strrchr(csString, '}')) {	if (!strchr(csString, '{') \|\| !strrchr(csString, '}')) {
memset(io_Error, 0, STRSIZ);	memset(io_Error, 0, STRSIZ);
snprintf(io_Error, STRSIZ, "Error:: Invalid input string format ... "	snprintf(io_Error, STRSIZ, "Invalid input string format ... "
"must be like {text[:[-]#[:#]]}");	"must be like {text[:[-]#[:#]]}");
io_Errno = EINVAL;	io_Errno = EINVAL;
return NULL;	return NULL;
Line 350 ioVarAst(const char *csString)	Line 428 ioVarAst(const char *csString)
ext = str;	ext = str;

out = strdup(ext);	out = strdup(ext);
free(str);	xfree(str);

return out;	return out;
}	}


/*	/*
* 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 399 ioMkDir(const char *csDir, int mode)	Line 478 ioMkDir(const char *csDir, int mode)
}	}
end:	end:
chdir(szOld);	chdir(szOld);
free(str);	xfree(str);
return cx;	return cx;
}	}

/*	/*
* 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 512 ioWatchDirLoop(const char csDir, int (callback)(cons	Line 592 ioWatchDirLoop(const char csDir, int (callback)(cons
close(d);	close(d);
close(kq);	close(kq);
return n;	return n;
	}

	/*
	* ioCreatePIDFile() - Create PID file
	*
	* @csName = PID filename
	* @ifExists = !=0 if filename exists return error
	* return: -1 error or 0 ok
	*/
	inline int
	ioCreatePIDFile(const char *csName, int ifExists)
	{
	int fd;
	char str[STRSIZ] = { 0 };

	if (!csName)
	return -1;

	fd = open(csName, O_WRONLY \| O_CREAT \| (ifExists ? O_EXCL : 0), 0644);
	if (fd == -1) {
	LOGERR;
	return -1;
	}
	snprintf(str, sizeof str, "%d", getpid());
	write(fd, str, strlen(str));
	close(fd);
	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;
}	}

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Removed from v.1.4
changed lines
	Added in v.1.10.6.3