860 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			860 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * $Id$
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|  *
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|     Copyright (c) 2016-2018 Chung, Hyung-Hwan. All rights reserved.
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| 
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|     Redistribution and use in source and binary forms, with or without
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|     modification, are permitted provided that the following conditions
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|     are met:
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|     1. Redistributions of source code must retain the above copyright
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|        notice, this list of conditions and the following disclaimer.
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|     2. Redistributions in binary form must reproduce the above copyright
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|        notice, this list of conditions and the following disclaimer in the
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|        documentation and/or other materials provided with the distribution.
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| 
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|     THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
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|     IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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|     OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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|     IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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|     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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|     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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|     DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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|     THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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|     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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|     THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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|  */
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| 
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| #include "hcl-c.h"
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| #include "hcl-opt.h"
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| #include "hcl-utl.h"
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| #include "hcl-xutl.h"
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| 
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| #include <stdio.h>
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| #include <stdlib.h>
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| #include <string.h>
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| #include <errno.h>
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| #include <locale.h>
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| 
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| #if defined(HAVE_TIME_H)
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| #	include <time.h>
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| #endif
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| #if defined(HAVE_SYS_TIME_H)
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| #	include <sys/time.h>
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| #endif
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| #if defined(HAVE_SIGNAL_H)
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| #	include <signal.h>
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| #endif
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| #if defined(HAVE_SYS_UIO_H)
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| #	include <sys/uio.h>
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| #endif
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| 
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| #include <sys/types.h>
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| #include <sys/socket.h>
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| #include <netinet/in.h>
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| #include <unistd.h>
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| #include <fcntl.h>
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| 
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| /* ========================================================================= */
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| 
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| typedef struct client_xtn_t client_xtn_t;
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| struct client_xtn_t
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| {
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| 	int logfd;
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| 	hcl_bitmask_t logmask;
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| 	int logfd_istty;
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| 	
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| 	struct
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| 	{
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| 		hcl_bch_t buf[4096];
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| 		hcl_oow_t len;
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| 	} logbuf;
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| 
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| 	int reply_count;
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| 	hcl_oow_t data_length;
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| };
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| 
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| /* ========================================================================= */
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| 
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| static void* sys_alloc (hcl_mmgr_t* mmgr, hcl_oow_t size)
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| {
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| 	return malloc(size);
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| }
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| 
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| static void* sys_realloc (hcl_mmgr_t* mmgr, void* ptr, hcl_oow_t size)
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| {
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| 	return realloc(ptr, size);
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| }
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| 
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| static void sys_free (hcl_mmgr_t* mmgr, void* ptr)
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| {
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| 	free (ptr);
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| }
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| 
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| static hcl_mmgr_t sys_mmgr =
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| {
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| 	sys_alloc,
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| 	sys_realloc,
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| 	sys_free,
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| 	HCL_NULL
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| };
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| /* ========================================================================= */
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| 
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| static int write_all (int fd, const hcl_bch_t* ptr, hcl_oow_t len)
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| {
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| 	while (len > 0)
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| 	{
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| 		hcl_ooi_t wr;
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| 
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| 		wr = write(fd, ptr, len);
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| 
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| 		if (wr <= -1)
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| 		{
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| 		#if defined(EAGAIN) && defined(EWOULDBLOCK) && (EAGAIN == EWOULDBLOCK)
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| 			if (errno == EAGAIN) continue;
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| 		#else
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| 			#if defined(EAGAIN)
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| 			if (errno == EAGAIN) continue;
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| 			#elif defined(EWOULDBLOCK)
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| 			if (errno == EWOULDBLOCK) continue;
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| 			#endif
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| 		#endif
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| 
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| 		#if defined(EINTR)
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| 			/* TODO: would this interfere with non-blocking nature of this VM? */
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| 			if (errno == EINTR) continue;
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| 		#endif
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| 			return -1;
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| 		}
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| 
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| 		ptr += wr;
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| 		len -= wr;
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| 	}
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| 
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| 	return 0;
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| }
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| 
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| 
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| static int write_log (hcl_client_t* client, int fd, const hcl_bch_t* ptr, hcl_oow_t len)
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| {
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| 	client_xtn_t* xtn;
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| 
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| 
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| 	xtn = hcl_client_getxtn(client);
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| 
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| 	while (len > 0)
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| 	{
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| 		if (xtn->logbuf.len > 0)
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| 		{
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| 			hcl_oow_t rcapa, cplen;
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| 
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| 			rcapa = HCL_COUNTOF(xtn->logbuf.buf) - xtn->logbuf.len;
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| 			cplen = (len >= rcapa)? rcapa: len;
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| 
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| 			memcpy (&xtn->logbuf.buf[xtn->logbuf.len], ptr, cplen);
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| 			xtn->logbuf.len += cplen;
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| 			ptr += cplen;
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| 			len -= cplen;
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| 
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| 			if (xtn->logbuf.len >= HCL_COUNTOF(xtn->logbuf.buf))
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| 			{
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| 				write_all(fd, xtn->logbuf.buf, xtn->logbuf.len);
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| 				xtn->logbuf.len = 0;
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| 			}
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| 		}
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| 		else
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| 		{
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| 			hcl_oow_t rcapa;
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| 
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| 			rcapa = HCL_COUNTOF(xtn->logbuf.buf);
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| 			if (len >= rcapa)
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| 			{
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| 				write_all (fd, ptr, rcapa);
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| 				ptr += rcapa;
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| 				len -= rcapa;
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| 			}
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| 			else
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| 			{
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| 				memcpy (xtn->logbuf.buf, ptr, len);
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| 				xtn->logbuf.len += len;
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| 				ptr += len;
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| 				len -= len;
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| 				
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| 			}
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| 		}
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| 	}
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| 
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| 	return 0;
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| }
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| 
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| static void flush_log (hcl_client_t* client, int fd)
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| {
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| 	client_xtn_t* xtn;
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| 	xtn = hcl_client_getxtn(client);
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| 	if (xtn->logbuf.len > 0)
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| 	{
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| 		write_all (fd, xtn->logbuf.buf, xtn->logbuf.len);
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| 		xtn->logbuf.len = 0;
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| 	}
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| }
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| 
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| static void log_write (hcl_client_t* client, hcl_bitmask_t mask, const hcl_ooch_t* msg, hcl_oow_t len)
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| {
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| 	hcl_bch_t buf[256];
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| 	hcl_oow_t ucslen, bcslen;
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| 	client_xtn_t* xtn;
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| 	hcl_oow_t msgidx;
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| 	int n, logfd;
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| 
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| 	xtn = hcl_client_getxtn(client);
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| 
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| 	if (mask & HCL_LOG_STDERR)
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| 	{
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| 		/* the messages that go to STDERR don't get masked out */
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| 		logfd = 2;
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| 	}
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| 	else
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| 	{
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| 		if (!(xtn->logmask & mask & ~HCL_LOG_ALL_LEVELS)) return;  /* check log types */
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| 		if (!(xtn->logmask & mask & ~HCL_LOG_ALL_TYPES)) return;  /* check log levels */
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| 
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| 		if (mask & HCL_LOG_STDOUT) logfd = 1;
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| 		else
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| 		{
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| 			logfd = xtn->logfd;
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| 			if (logfd <= -1) return;
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| 		}
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| 	}
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| 
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| /* TODO: beautify the log message.
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|  *       do classification based on mask. */
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| 	if (!(mask & (HCL_LOG_STDOUT | HCL_LOG_STDERR)))
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| 	{
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| 		time_t now;
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| 		char ts[32];
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| 		size_t tslen;
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| 		struct tm tm, *tmp;
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| 
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| 		now = time(NULL);
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| 
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| 	#if defined(__OS2__)
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| 		tmp = _localtime(&now, &tm);
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| 	#elif defined(HAVE_LOCALTIME_R)
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| 		tmp = localtime_r(&now, &tm);
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| 	#else
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| 		tmp = localtime(&now);
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| 	#endif
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| 		
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| 	#if defined(HAVE_STRFTIME_SMALL_Z)
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| 		tslen = strftime(ts, sizeof(ts), "%Y-%m-%d %H:%M:%S %z ", tmp);
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| 	#else
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| 		tslen = strftime(ts, sizeof(ts), "%Y-%m-%d %H:%M:%S %Z ", tmp); 
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| 	#endif
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| 		if (tslen == 0) 
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| 		{
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| 			strcpy (ts, "0000-00-00 00:00:00 +0000");
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| 			tslen = 25; 
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| 		}
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| 
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| 		write_log (client, logfd, ts, tslen);
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| 	}
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| 
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| 	if (logfd == xtn->logfd && xtn->logfd_istty)
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| 	{
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| 		if (mask & HCL_LOG_FATAL) write_log (client, logfd, "\x1B[1;31m", 7);
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| 		else if (mask & HCL_LOG_ERROR) write_log (client, logfd, "\x1B[1;32m", 7);
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| 		else if (mask & HCL_LOG_WARN) write_log (client, logfd, "\x1B[1;33m", 7);
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| 	}
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| 
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| #if defined(HCL_OOCH_IS_UCH)
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| 	msgidx = 0;
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| 	while (len > 0)
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| 	{
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| 		ucslen = len;
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| 		bcslen = HCL_COUNTOF(buf);
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| 
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| 		n = hcl_conv_oochars_to_bchars_with_cmgr(&msg[msgidx], &ucslen, buf, &bcslen, hcl_get_utf8_cmgr());
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| 		if (n == 0 || n == -2)
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| 		{
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| 			/* n = 0: 
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| 			 *   converted all successfully 
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| 			 * n == -2: 
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| 			 *    buffer not sufficient. not all got converted yet.
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| 			 *    write what have been converted this round. */
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| 
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| 			/*HCL_ASSERT (hcl, ucslen > 0); */ /* if this fails, the buffer size must be increased */
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| 			/*assert (ucslen > 0);*/
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| 
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| 			/* attempt to write all converted characters */
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| 			if (write_log(client, logfd, buf, bcslen) <= -1) break;
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| 
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| 			if (n == 0) break;
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| 			else
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| 			{
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| 				msgidx += ucslen;
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| 				len -= ucslen;
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| 			}
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| 		}
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| 		else if (n <= -1)
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| 		{
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| 			/* conversion error */
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| 			if (bcslen <= 0) break;
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| 			if (write_log(client, logfd, buf, bcslen) <= -1) break;
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| 			msgidx += ucslen;
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| 			len -= ucslen;
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| 		}
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| 	}
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| #else
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| 	write_log (client, logfd, msg, len);
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| #endif
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| 
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| 	if (logfd == xtn->logfd && xtn->logfd_istty)
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| 	{
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| 		if (mask & (HCL_LOG_FATAL | HCL_LOG_ERROR | HCL_LOG_WARN)) write_log (client, logfd, "\x1B[0m", 4);
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| 	}
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| 
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| 	flush_log (client, logfd);
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| }
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| 
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| /* ========================================================================= */
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| 
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| static hcl_client_t* g_client = HCL_NULL;
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| 
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| /* ========================================================================= */
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| 
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| typedef void (*signal_handler_t) (int, siginfo_t*, void*);
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| 
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| static void handle_sigint (int sig, siginfo_t* siginfo, void* ctx)
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| {
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| 	/*if (g_client) hcl_client_stop (g_client);*/
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| }
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| 
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| static void set_signal (int sig, signal_handler_t handler)
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| {
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| 	struct sigaction sa;
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| 
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| 	memset (&sa, 0, sizeof(sa));
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| 	/*sa.sa_handler = handler;*/
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| 	sa.sa_flags = SA_SIGINFO;
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| 	sa.sa_sigaction = handler;
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| 	sigemptyset (&sa.sa_mask);
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| 
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| 	sigaction (sig, &sa, NULL);
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| }
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| 
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| static void set_signal_to_ignore (int sig)
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| {
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| 	struct sigaction sa; 
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| 
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| 	memset (&sa, 0, sizeof(sa));
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| 	sa.sa_handler = SIG_IGN;
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| 	sa.sa_flags = 0;
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| 	sigemptyset (&sa.sa_mask);
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| 
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| 	sigaction (sig, &sa, NULL);
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| }
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| 
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| static void set_signal_to_default (int sig)
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| {
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| 	struct sigaction sa; 
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| 
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| 	memset (&sa, 0, sizeof(sa));
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| 	sa.sa_handler = SIG_DFL;
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| 	sa.sa_flags = 0;
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| 	sigemptyset (&sa.sa_mask);
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| 
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| 	sigaction (sig, &sa, NULL);
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| }
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| 
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| /* ========================================================================= */
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| 
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| static int handle_logopt (hcl_client_t* client, const hcl_bch_t* str)
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| {
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| 	hcl_bch_t* xstr = (hcl_bch_t*)str;
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| 	hcl_bch_t* cm, * flt;
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| 	hcl_bitmask_t logmask;
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| 	client_xtn_t* xtn;
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| 
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| 	xtn = (client_xtn_t*)hcl_client_getxtn(client);
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| 
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| 	cm = hcl_find_bchar_in_bcstr(xstr, ',');
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| 	if (cm) 
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| 	{
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| 		/* i duplicate this string for open() below as open() doesn't 
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| 		 * accept a length-bounded string */
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| 		xstr = strdup(str);
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| 		if (!xstr) 
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| 		{
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| 			fprintf (stderr, "ERROR: out of memory in duplicating %s\n", str);
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| 			return -1;
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| 		}
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| 
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| 		cm = hcl_find_bchar_in_bcstr(xstr, ',');
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| 		*cm = '\0';
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| 
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| 		logmask = xtn->logmask;
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| 		do
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| 		{
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| 			flt = cm + 1;
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| 
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| 			cm = hcl_find_bchar_in_bcstr(flt, ',');
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| 			if (cm) *cm = '\0';
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| 
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| 			if (hcl_comp_bcstr(flt, "app") == 0) logmask |= HCL_LOG_APP;
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| 			else if (hcl_comp_bcstr(flt, "compiler") == 0) logmask |= HCL_LOG_COMPILER;
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| 			else if (hcl_comp_bcstr(flt, "vm") == 0) logmask |= HCL_LOG_VM;
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| 			else if (hcl_comp_bcstr(flt, "mnemonic") == 0) logmask |= HCL_LOG_MNEMONIC;
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| 			else if (hcl_comp_bcstr(flt, "gc") == 0) logmask |= HCL_LOG_GC;
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| 			else if (hcl_comp_bcstr(flt, "ic") == 0) logmask |= HCL_LOG_IC;
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| 			else if (hcl_comp_bcstr(flt, "primitive") == 0) logmask |= HCL_LOG_PRIMITIVE;
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| 
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| 			else if (hcl_comp_bcstr(flt, "fatal") == 0) logmask |= HCL_LOG_FATAL;
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| 			else if (hcl_comp_bcstr(flt, "error") == 0) logmask |= HCL_LOG_ERROR;
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| 			else if (hcl_comp_bcstr(flt, "warn") == 0) logmask |= HCL_LOG_WARN;
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| 			else if (hcl_comp_bcstr(flt, "info") == 0) logmask |= HCL_LOG_INFO;
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| 			else if (hcl_comp_bcstr(flt, "debug") == 0) logmask |= HCL_LOG_DEBUG;
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| 
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| 			else if (hcl_comp_bcstr(flt, "fatal+") == 0) logmask |= HCL_LOG_FATAL;
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| 			else if (hcl_comp_bcstr(flt, "error+") == 0) logmask |= HCL_LOG_FATAL | HCL_LOG_ERROR;
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| 			else if (hcl_comp_bcstr(flt, "warn+") == 0) logmask |= HCL_LOG_FATAL | HCL_LOG_ERROR | HCL_LOG_WARN;
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| 			else if (hcl_comp_bcstr(flt, "info+") == 0) logmask |= HCL_LOG_FATAL | HCL_LOG_ERROR | HCL_LOG_WARN | HCL_LOG_INFO;
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| 			else if (hcl_comp_bcstr(flt, "debug+") == 0) logmask |= HCL_LOG_FATAL | HCL_LOG_ERROR | HCL_LOG_WARN | HCL_LOG_INFO | HCL_LOG_DEBUG;
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| 
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| 			else
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| 			{
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| 				fprintf (stderr, "ERROR: unknown log option value - %s\n", flt);
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| 				if (str != xstr) free (xstr);
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| 				return -1;
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| 			}
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| 		}
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| 		while (cm);
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| 
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| 		if (!(logmask & HCL_LOG_ALL_TYPES)) logmask |= HCL_LOG_ALL_TYPES;  /* no types specified. force to all types */
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| 		if (!(logmask & HCL_LOG_ALL_LEVELS)) logmask |= HCL_LOG_ALL_LEVELS;  /* no levels specified. force to all levels */
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| 	}
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| 	else
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| 	{
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| 		logmask = HCL_LOG_ALL_LEVELS | HCL_LOG_ALL_TYPES;
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| 	}
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| 
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| 	xtn->logfd = open(xstr, O_CREAT | O_WRONLY | O_APPEND , 0644);
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| 	if (xtn->logfd == -1)
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| 	{
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| 		fprintf (stderr, "ERROR: cannot open a log file %s\n", xstr);
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| 		if (str != xstr) free (xstr);
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| 		return -1;
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| 	}
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| 
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| 	xtn->logmask = logmask;
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| #if defined(HAVE_ISATTY)
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| 	xtn->logfd_istty = isatty(xtn->logfd);
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| #endif
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| 
 | |
| 	if (str != xstr) free (xstr);
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| 	return 0;
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| }
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| 
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| static int start_reply (hcl_client_t* client, hcl_client_reply_type_t type, const hcl_ooch_t* dptr, hcl_oow_t dlen)
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| {
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| 	client_xtn_t* client_xtn;
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| 	client_xtn = hcl_client_getxtn(client);
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| 
 | |
| 	if (client_xtn->reply_count > 0)
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| 	{
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| 		hcl_client_seterrbfmt (client, HCL_EFLOOD, "\n<<WARNING>> redundant reply received\n");
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| 		return -1;
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| 	}
 | |
| 
 | |
| 	if (dptr)
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| 	{
 | |
| 		/* short-form response - no end_reply will be called */
 | |
| 		if (type == HCL_CLIENT_REPLY_TYPE_ERROR)
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| 		{
 | |
| 		#if defined(HCL_OOCH_IS_UCH)
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| 			hcl_bch_t bcs[256];
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| 			hcl_oow_t bcslen;
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| 
 | |
| 			/* NOTE: the error may get truncated without looping */
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| 			bcslen = HCL_COUNTOF(bcs); 
 | |
| 			hcl_conv_uchars_to_bchars_with_cmgr (dptr, &dlen, bcs, &bcslen, hcl_client_getcmgr(client));
 | |
| 			printf ("\nERROR - [%.*s]\n", (int)bcslen, bcs);
 | |
| 		#else
 | |
| 			printf ("\nERROR - [%.*s]\n", (int)dlen, dptr);
 | |
| 		#endif
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 		#if defined(HCL_OOCH_IS_UCH)
 | |
| 			hcl_oow_t drem = dlen;
 | |
| 			while (drem > 0)
 | |
| 			{
 | |
| 				hcl_bch_t bcs[256];
 | |
| 				hcl_oow_t ucslen, bcslen;
 | |
| 
 | |
| 				ucslen = drem;
 | |
| 				bcslen = HCL_COUNTOF(bcs);
 | |
| 				hcl_conv_uchars_to_bchars_with_cmgr(dptr, &ucslen, bcs, &bcslen, hcl_client_getcmgr(client));
 | |
| 				client_xtn->data_length += bcslen;
 | |
| 				if (write_all(0, bcs, bcslen) <= -1)
 | |
| 				{
 | |
| 					hcl_client_seterrbfmt (client, HCL_EIOERR, "unable to write data");
 | |
| 					return -1;
 | |
| 				}
 | |
| 
 | |
| 				drem -= ucslen;
 | |
| 				dptr += ucslen;
 | |
| 			}
 | |
| 		#else
 | |
| 			client_xtn->data_length += dlen;
 | |
| 			if (write_all(0, dptr, dlen) <= -1)
 | |
| 			{
 | |
| 				hcl_client_seterrbfmt (client, HCL_EIOERR, "unable to write data");
 | |
| 				return -1;
 | |
| 			}
 | |
| 		#endif
 | |
| 		}
 | |
| 		printf ("\nTOTAL DATA %lu bytes\n", (unsigned long int)client_xtn->data_length);
 | |
| 
 | |
| 		/*fflush (stdout);*/
 | |
| 		client_xtn->reply_count++;
 | |
| 
 | |
| 	}
 | |
| 	else
 | |
| 	{
 | |
| 		/* long-form response */
 | |
| 	}
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int end_reply (hcl_client_t* client, hcl_client_end_reply_state_t state)
 | |
| {
 | |
| 	client_xtn_t* client_xtn;
 | |
| 	client_xtn = hcl_client_getxtn(client);
 | |
| 
 | |
| 	if (state == HCL_CLIENT_END_REPLY_STATE_REVOKED)
 | |
| 	{
 | |
| 		/* nothing to do here */
 | |
| 		printf ("\n<<WARNING>> REPLY(%lu bytes) received so far has been revoked\n", (unsigned long int)client_xtn->data_length);
 | |
| 		client_xtn->data_length = 0;
 | |
| 	}
 | |
| 	else
 | |
| 	{
 | |
| 		client_xtn->reply_count++;
 | |
| 		/*fflush (stdout);*/
 | |
| 		printf ("\nTOTAL DATA %lu bytes\n", (unsigned long int)client_xtn->data_length);
 | |
| 	}
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int feed_attr (hcl_client_t* client, const hcl_oocs_t* key, const hcl_oocs_t* val)
 | |
| {
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int feed_data (hcl_client_t* client, const void* ptr, hcl_oow_t len)
 | |
| {
 | |
| 	client_xtn_t* client_xtn;
 | |
| 
 | |
| 	client_xtn = hcl_client_getxtn(client);
 | |
| 	client_xtn->data_length += len;
 | |
| 
 | |
| 	if (write_all(0, ptr, len) <= -1)
 | |
| 	{
 | |
| 		hcl_client_seterrbfmt (client, HCL_EIOERR, "unable to write data");
 | |
| 		return -1;
 | |
| 	}
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| /* ========================================================================= */
 | |
| 
 | |
| static int handle_request (hcl_client_t* client, const char* ipaddr, const char* script, int reuse_addr, int shut_wr_after_req)
 | |
| {
 | |
| 	hcl_sckaddr_t sckaddr;
 | |
| 	hcl_scklen_t scklen;
 | |
| 	int sckfam;
 | |
| 	int sck = -1;
 | |
| 	struct iovec iov[3];
 | |
| 	int index, count;
 | |
| 
 | |
| 	hcl_oow_t used, avail;
 | |
| 	int x;
 | |
| 	hcl_bch_t buf[256];
 | |
| 	ssize_t n;
 | |
| 
 | |
| 	client_xtn_t* client_xtn;
 | |
| 
 | |
| 	client_xtn = hcl_client_getxtn(client);
 | |
| 
 | |
| 	sckfam = hcl_bchars_to_sckaddr(ipaddr, strlen(ipaddr), &sckaddr, &scklen);
 | |
| 	if (sckfam <= -1) 
 | |
| 	{
 | |
| 		fprintf (stderr, "cannot convert ip address - %s\n", ipaddr);
 | |
| 		goto oops;
 | |
| 	}
 | |
| 
 | |
| 	sck = socket (sckfam, SOCK_STREAM, 0);
 | |
| 	if (sck <= -1) 
 | |
| 	{
 | |
| 		fprintf (stderr, "cannot create a socket for %s - %s\n", ipaddr, strerror(errno));
 | |
| 		goto oops;
 | |
| 	}
 | |
| 
 | |
| 	if (reuse_addr)
 | |
| 	{
 | |
| 		if (sckfam == AF_INET)
 | |
| 		{
 | |
| 			struct sockaddr_in anyaddr;
 | |
| 			int opt = 1;
 | |
| 			setsockopt(sck, SOL_SOCKET, SO_REUSEADDR, (char *)&opt, sizeof(opt));
 | |
| 			memset (&anyaddr, 0, HCL_SIZEOF(anyaddr));
 | |
| 			anyaddr.sin_family = sckfam;
 | |
| 			bind(sck, (struct sockaddr *)&anyaddr, scklen);
 | |
| 		}
 | |
| 		else if (sckfam == AF_INET6)
 | |
| 		{
 | |
| 			struct sockaddr_in6 anyaddr;
 | |
| 			int opt = 1;
 | |
| 			setsockopt(sck, SOL_SOCKET, SO_REUSEADDR, (char *)&opt, sizeof(opt));
 | |
| 			memset (&anyaddr, 0, HCL_SIZEOF(anyaddr));
 | |
| 			anyaddr.sin6_family = sckfam;
 | |
| 			bind(sck, (struct sockaddr *)&anyaddr, scklen);
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if (connect(sck, (struct sockaddr*)&sckaddr, scklen) <= -1)
 | |
| 	{
 | |
| 		fprintf (stderr, "cannot connect to %s - %s\n", ipaddr, strerror(errno));
 | |
| 		goto oops;
 | |
| 	}
 | |
| 
 | |
| 	count = 0;
 | |
| 	iov[count].iov_base = ".SCRIPT (do ";
 | |
| 	iov[count++].iov_len = 12;
 | |
| 	iov[count].iov_base = (char*)script;
 | |
| 	iov[count++].iov_len = strlen(script);
 | |
| 	/* the script above must not include trailing newlines */
 | |
| 	iov[count].iov_base = ")\n";
 | |
| 	iov[count++].iov_len = 2;
 | |
| 
 | |
| 	index = 0;
 | |
| 	while (1)
 | |
| 	{
 | |
| 		ssize_t nwritten;
 | |
| 		struct msghdr msg;
 | |
| 
 | |
| 		memset (&msg, 0, HCL_SIZEOF(msg));
 | |
| 		msg.msg_iov = (struct iovec*)&iov[index];
 | |
| 		msg.msg_iovlen = count - index;
 | |
| 		nwritten = sendmsg(sck, &msg, 0);
 | |
| 		/*nwritten = writev(proto->worker->sck, (const struct iovec*)&iov[index], count - index);*/
 | |
| 		if (nwritten <= -1) 
 | |
| 		{
 | |
| 			/* error occurred inside the worker thread shouldn't affect the error information
 | |
| 			 * in the server object. so here, i just log a message */
 | |
| 			fprintf (stderr, "Unable to sendmsg on %d - %s\n", sck, strerror(errno));
 | |
| 			goto oops;
 | |
| 		}
 | |
| 
 | |
| 		while (index < count && (size_t)nwritten >= iov[index].iov_len)
 | |
| 			nwritten -= iov[index++].iov_len;
 | |
| 
 | |
| 		if (index == count) break;
 | |
| 
 | |
| 		iov[index].iov_base = (void*)((hcl_uint8_t*)iov[index].iov_base + nwritten);
 | |
| 		iov[index].iov_len -= nwritten;
 | |
| 	}
 | |
| 
 | |
| 	if (shut_wr_after_req) shutdown (sck, SHUT_WR);
 | |
| 
 | |
| 	client_xtn->data_length = 0;
 | |
| 	client_xtn->reply_count = 0;
 | |
| 
 | |
| /* TODO: implement timeout? */
 | |
| 	avail = 0;
 | |
| 	while (client_xtn->reply_count == 0)
 | |
| 	{
 | |
| 		n = recv(sck, &buf[avail], HCL_SIZEOF(buf) - avail, 0);
 | |
| 		if (n <= -1) 
 | |
| 		{
 | |
| 			fprintf (stderr, "Unable to read from %d - %s\n", sck, strerror(n));
 | |
| 			goto oops;
 | |
| 		}
 | |
| 		if (n == 0) 
 | |
| 		{
 | |
| 			if (hcl_client_getstate(client) != HCL_CLIENT_STATE_START)
 | |
| 			{
 | |
| 				fprintf (stderr, "Sudden end of reply\n");
 | |
| 				goto oops;
 | |
| 			}
 | |
| 			break;
 | |
| 		}
 | |
| 
 | |
| 		avail += n;;
 | |
| 		x = hcl_client_feed(client, buf, avail, &used);
 | |
| 		if (x <= -1) 
 | |
| 		{
 | |
| 		#if defined(HCL_OOCH_IS_UCH)
 | |
| 			hcl_errnum_t errnum = hcl_client_geterrnum(client);
 | |
| 			const hcl_ooch_t* errmsg = hcl_client_geterrmsg(client);
 | |
| 			hcl_bch_t errbuf[2048];
 | |
| 			hcl_oow_t ucslen, bcslen;
 | |
| 
 | |
| 			bcslen = HCL_COUNTOF(errbuf);
 | |
| 			hcl_conv_ucstr_to_bcstr_with_cmgr (errmsg, &ucslen, errbuf, &bcslen, hcl_client_getcmgr(client));
 | |
| 			fprintf (stderr, "Client error [%d] - %s\n", (int)errnum, errbuf);
 | |
| 		#else
 | |
| 			fprintf (stderr, "Client error [%d] - %s\n", (int)hcl_client_geterrnum(client), hcl_client_geterrmsg(client));
 | |
| 		#endif
 | |
| 			goto oops;
 | |
| 		}
 | |
| 
 | |
| 		avail -= used;
 | |
| 		if (avail > 0) memmove (&buf[0], &buf[used], avail);
 | |
| 	}
 | |
| 
 | |
| /* TODO: we can check if the buffer has all been consumed. if not, there is trailing garbage.. */
 | |
| 
 | |
| 	/*shutdown (sck, (shut_wr_after_req? SHUT_RD: SHUT_RDWR));*/
 | |
| 	if (!shut_wr_after_req) shutdown (sck, SHUT_RDWR);
 | |
| 
 | |
| 	/*{
 | |
| 		struct linger linger;
 | |
| 		linger.l_onoff = 1;
 | |
| 		linger.l_linger = 0;
 | |
| 		setsockopt (sck, SOL_SOCKET, SO_LINGER, (char *) &linger, sizeof(linger));
 | |
| 	}*/
 | |
| 
 | |
| 	close (sck);
 | |
| 	return 0;
 | |
| 
 | |
| oops:
 | |
| 	if (sck >= 0) close (sck);
 | |
| 	return -1;
 | |
| }
 | |
| 
 | |
| int main (int argc, char* argv[])
 | |
| {
 | |
| 	hcl_bci_t c;
 | |
| 	static hcl_bopt_lng_t lopt[] =
 | |
| 	{
 | |
| 		{ ":log",                  'l'  },
 | |
| 		{ "reuseaddr",             '\0' },
 | |
| 		{ "shutwr",                '\0' },
 | |
| 		{ HCL_NULL,                '\0' }
 | |
| 	};
 | |
| 	static hcl_bopt_t opt =
 | |
| 	{
 | |
| 		"l:",
 | |
| 		lopt
 | |
| 	};
 | |
| 
 | |
| 	hcl_client_t* client;
 | |
| 	client_xtn_t* xtn;
 | |
| 	hcl_client_prim_t client_prim;
 | |
| 	int n;
 | |
| 	const char* logopt = HCL_NULL;
 | |
| 	int reuse_addr = 0;
 | |
| 	int shut_wr_after_req = 0;
 | |
| 
 | |
| 	setlocale (LC_ALL, "");
 | |
| 
 | |
| 	if (argc < 2)
 | |
| 	{
 | |
| 	print_usage:
 | |
| 		fprintf (stderr, "Usage: %s [-l/--log log-options] [--reuseaddr] [--shutwr] bind-address:port script-to-run\n", argv[0]);
 | |
| 		return -1;
 | |
| 	}
 | |
| 
 | |
| 	while ((c = hcl_getbopt (argc, argv, &opt)) != HCL_BCI_EOF)
 | |
| 	{
 | |
| 		switch (c)
 | |
| 		{
 | |
| 			case 'l':
 | |
| 				logopt = opt.arg;
 | |
| 				break;
 | |
| 
 | |
| 			case '\0':
 | |
| 				if (hcl_comp_bcstr(opt.lngopt, "reuseaddr") == 0)
 | |
| 				{
 | |
| 					reuse_addr = 1;
 | |
| 				}
 | |
| 				else if (hcl_comp_bcstr(opt.lngopt, "shutwr") == 0)
 | |
| 				{
 | |
| 					shut_wr_after_req = 1;
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					goto print_usage;
 | |
| 				}
 | |
| 				break;
 | |
| 
 | |
| 			case ':':
 | |
| 				if (opt.lngopt)
 | |
| 					fprintf (stderr, "bad argument for '%s'\n", opt.lngopt);
 | |
| 				else
 | |
| 					fprintf (stderr, "bad argument for '%c'\n", opt.opt);
 | |
| 
 | |
| 				return -1;
 | |
| 
 | |
| 			default:
 | |
| 				goto print_usage;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	/* needs 2 fixed arguments */
 | |
| 	if (opt.ind + 1 >= argc) goto print_usage;
 | |
| 
 | |
| 	memset (&client_prim, 0, HCL_SIZEOF(client_prim));
 | |
| 	client_prim.log_write = log_write;
 | |
| 	client_prim.start_reply = start_reply;
 | |
| 	client_prim.feed_attr = feed_attr;
 | |
| 	client_prim.feed_data = feed_data;
 | |
| 	client_prim.end_reply = end_reply;
 | |
| 
 | |
| 	client = hcl_client_open(&sys_mmgr, HCL_SIZEOF(client_xtn_t), &client_prim, HCL_NULL);
 | |
| 	if (!client)
 | |
| 	{
 | |
| 		fprintf (stderr, "cannot open client\n");
 | |
| 		return -1;
 | |
| 	}
 | |
| 
 | |
| 	xtn = (client_xtn_t*)hcl_client_getxtn(client);
 | |
| 	xtn->logfd = -1;
 | |
| 	xtn->logfd_istty = 0;
 | |
| 
 | |
| 	if (logopt)
 | |
| 	{
 | |
| 		if (handle_logopt(client, logopt) <= -1) goto oops;
 | |
| 	}
 | |
| 	else
 | |
| 	{
 | |
| 		/* default logging mask when no logging option is set */
 | |
| 		xtn->logmask = HCL_LOG_ALL_TYPES | HCL_LOG_ERROR | HCL_LOG_FATAL;
 | |
| 	}
 | |
| 
 | |
| 	g_client = client;
 | |
| 	set_signal (SIGINT, handle_sigint);
 | |
| 	set_signal_to_ignore (SIGPIPE);
 | |
| 
 | |
| 	n = handle_request (client, argv[opt.ind], argv[opt.ind + 1], reuse_addr, shut_wr_after_req);
 | |
| 
 | |
| 	set_signal_to_default (SIGINT);
 | |
| 	set_signal_to_default (SIGPIPE);
 | |
| 	g_client = NULL;
 | |
| 
 | |
| 	if (xtn->logfd >= 0)
 | |
| 	{
 | |
| 		close (xtn->logfd);
 | |
| 		xtn->logfd = -1;
 | |
| 		xtn->logfd_istty = 0;
 | |
| 	}
 | |
| 
 | |
| 	hcl_client_close (client);
 | |
| 	return n;
 | |
| 
 | |
| oops:
 | |
| 	if (client) hcl_client_close (client);
 | |
| 	return -1;
 | |
| }
 |