version 1.4, 2000/07/13 05:09:02 |
version 1.9.2.3, 2000/11/10 14:57:24 |
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/* $OpenXM: OpenXM_contrib2/asir2000/io/sio.c,v 1.3 2000/02/08 04:47:11 noro Exp $ */ |
/* |
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* Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED |
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* All rights reserved. |
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* |
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* FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited, |
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* non-exclusive and royalty-free license to use, copy, modify and |
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* redistribute, solely for non-commercial and non-profit purposes, the |
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* computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and |
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* conditions of this Agreement. For the avoidance of doubt, you acquire |
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* only a limited right to use the SOFTWARE hereunder, and FLL or any |
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* third party developer retains all rights, including but not limited to |
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* copyrights, in and to the SOFTWARE. |
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* |
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* (1) FLL does not grant you a license in any way for commercial |
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* purposes. You may use the SOFTWARE only for non-commercial and |
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* non-profit purposes only, such as academic, research and internal |
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* business use. |
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* (2) The SOFTWARE is protected by the Copyright Law of Japan and |
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* international copyright treaties. If you make copies of the SOFTWARE, |
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* with or without modification, as permitted hereunder, you shall affix |
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* to all such copies of the SOFTWARE the above copyright notice. |
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* (3) An explicit reference to this SOFTWARE and its copyright owner |
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* shall be made on your publication or presentation in any form of the |
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* results obtained by use of the SOFTWARE. |
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* (4) In the event that you modify the SOFTWARE, you shall notify FLL by |
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* e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification |
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* for such modification or the source code of the modified part of the |
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* SOFTWARE. |
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* |
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* THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL |
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* MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND |
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* EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS |
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* FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES' |
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* RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY |
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* MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY. |
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* UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT, |
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* OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY |
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL |
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* DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES |
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* ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES |
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* FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY |
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* DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF |
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* SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART |
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* OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY |
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* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE, |
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* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE. |
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* $OpenXM: OpenXM_contrib2/asir2000/io/sio.c,v 1.9.2.2 2000/11/08 08:31:55 maekawa Exp $ |
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*/ |
#if INET |
#if INET |
#include "ca.h" |
#include "ca.h" |
#include "setjmp.h" |
#include "setjmp.h" |
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extern int little_endian; |
extern int little_endian; |
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int I_am_server; |
struct IOFP iofp[MAXIOFP]; |
struct IOFP iofp[MAXIOFP]; |
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#if !defined(_PA_RISC1_1) |
#if !defined(_PA_RISC1_1) |
Line 38 void getremotename(s,name) |
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Line 86 void getremotename(s,name) |
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int s; |
int s; |
char *name; |
char *name; |
{ |
{ |
struct sockaddr_in peer; |
struct sockaddr_strorage ss; |
struct hostent *hp; |
struct sockaddr *sa; |
int peerlen; |
socklen_t len; |
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char host[NI_MAXHOST]; |
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int rs; |
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peerlen = sizeof(peer); |
rs = getremotesocket(s); |
getpeername(getremotesocket(s),(struct sockaddr *)&peer,&peerlen); |
len = sizeof(ss); |
hp = gethostbyaddr((char *)&peer.sin_addr,sizeof(struct in_addr),AF_INET); |
getpeername(rs, (struct sockaddr *)&ss, &len); |
if ( hp ) |
sa = (struct sockaddr *)&ss; |
strcpy(name,hp->h_name); |
getnameinfo(sa, sa->sa_len, host, sizeof(host), NULL, 0, 0); |
else |
strcpy(name, host); |
strcpy(name,(char *)inet_ntoa(peer.sin_addr)); |
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} |
} |
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int generate_port(use_unix,port_str) |
int generate_port(use_unix,port_str) |
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unsigned int port; |
unsigned int port; |
static int count=0; |
static int count=0; |
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#if !defined(VISUAL) |
if ( use_unix ) { |
if ( use_unix ) { |
sprintf(port_str,"/tmp/ox%02x.XXXXXX",count); |
sprintf(port_str,"/tmp/ox%02x.XXXXXX",count); |
count++; |
count++; |
mktemp(port_str); |
mktemp(port_str); |
} else { |
} else |
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#endif |
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{ |
port = ((unsigned int)mt_genrand()+(unsigned int)get_current_time()) |
port = ((unsigned int)mt_genrand()+(unsigned int)get_current_time()) |
%(65536-1024)+1024; |
%(65536-1024)+1024; |
sprintf(port_str,"%d",port); |
sprintf(port_str,"%d",port); |
Line 75 int try_bind_listen(use_unix,port_str) |
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Line 127 int try_bind_listen(use_unix,port_str) |
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int use_unix; |
int use_unix; |
char *port_str; |
char *port_str; |
{ |
{ |
struct sockaddr_in sin; |
struct addrinfo hints, *res, *ai; |
struct sockaddr *saddr; |
int s, error; |
int len; |
char *errstr; |
int service; |
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#if !defined(VISUAL) |
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struct sockaddr_un s_un; |
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if ( use_unix ) { |
memset(&hints, 0, sizeof(hints)); |
service = socket(AF_UNIX, SOCK_STREAM, 0); |
#if defined(VISUAL) |
if (service < 0) { |
hints.ai_family = PF_UNSPEC; |
perror("in socket"); |
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return -1; |
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} |
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s_un.sun_family = AF_UNIX; |
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strcpy(s_un.sun_path,port_str); |
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#if defined(__FreeBSD__) |
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len = SUN_LEN(&s_un); |
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s_un.sun_len = len+1; /* XXX */ |
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#else |
#else |
len = strlen(s_un.sun_path)+sizeof(s_un.sun_family); |
if (use_unix) |
#endif |
hints.ai_family = PF_UNIX; |
saddr = (struct sockaddr *)&s_un; |
else |
} else |
hints.ai_family = PF_UNSPEC; |
#endif |
#endif /* VISUAL */ |
{ |
hints.ai_socktype = SOCK_STREAM; |
service = socket(AF_INET, SOCK_STREAM, 0); |
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if ( service < 0 ) { |
error = getaddrinfo(NULL, port_str, &hints, &res); |
perror("in socket"); |
if (error) { |
return -1; |
warnx("try_bind_listen(): %s", gai_strerror(error)); |
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return (-1); |
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} |
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s = -1; |
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for (ai = res ; ai != NULL ; ai = ai->ai_next) { |
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if ((s = socket(ai->ai_family, ai->ai_socktype, |
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ai->ai_protocol)) < 0 ) { |
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errstr = "in socket"; |
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continue; |
} |
} |
sin.sin_family = AF_INET; sin.sin_addr.s_addr = INADDR_ANY; |
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sin.sin_port = htons(atoi(port_str)); |
if (bind(s, ai->ai_addr, ai->ai_addrlen) < 0) { |
len = sizeof(sin); |
errstr = "in bind"; |
saddr = (struct sockaddr *)&sin; |
close(s); |
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s = -1; |
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continue; |
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} |
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if (listen(s, SOCKQUEUELENGTH) < 0) { |
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errstr = "in listen"; |
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close(s); |
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s = -1; |
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continue; |
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} |
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/* established connection */ |
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break; |
} |
} |
if (bind(service, saddr, len) < 0) { |
freeaddrinfo(res); |
perror("in bind"); |
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close(service); |
if (s < 0) |
return -1; |
perror(errstr); |
} |
return (s); |
if (getsockname(service,saddr, &len) < 0) { |
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perror("in getsockname"); |
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close(service); |
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return -1; |
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} |
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if (listen(service, SOCKQUEUELENGTH) < 0) { |
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perror("in listen"); |
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close(service); |
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return -1; |
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} |
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return service; |
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} |
} |
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/* |
/* |
try to accept a connection request |
try to accept a connection request |
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Input |
Input |
af_unix: s is UNIX domain socket if af_unix is nonzero |
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s: socket |
s: socket |
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Output |
Output |
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the original socket is always closed. |
the original socket is always closed. |
*/ |
*/ |
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int try_accept(af_unix,s) |
int try_accept(s) |
int af_unix,s; |
int s; |
{ |
{ |
int len,c,i; |
struct sockaddr_storage ss; |
struct sockaddr_in sin; |
socklen_t len; |
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int c, i; |
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#if !defined(VISUAL) |
len = sizeof(ss); |
struct sockaddr_un s_un; |
if (getsockname(s, (struct sockaddr *)&ss, &len) < 0) { |
if ( af_unix ) { |
close(s); |
len = sizeof(s_un); |
return (-1) |
for ( c = -1, i = 0; (c < 0)&&(i = 10) ; i++ ) |
} |
c = accept(s, (struct sockaddr *) &s_un, &len); |
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} else |
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#endif |
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{ |
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len = sizeof(sin); |
for (i = 0 ; i < 10 ; i++) { |
for ( c = -1, i = 0; (c < 0)&&(i = 10) ; i++ ) |
c = accept(s, (struct sockaddr *)&ss, &len); |
c = accept(s, (struct sockaddr *) &sin, &len); |
if (c >= 0) { |
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close(s); |
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return (c); |
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} |
} |
} |
if ( i == 10 ) |
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c = -1; |
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close(s); |
close(s); |
return c; |
return (-1); |
} |
} |
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int try_connect(use_unix,host,port_str) |
int try_connect(use_unix,host,port_str) |
int use_unix; |
int use_unix; |
char *host,*port_str; |
char *host,*port_str; |
{ |
{ |
struct sockaddr_in sin; |
struct addrinfo hints, *res, *ai; |
struct sockaddr *saddr; |
int s, error, i; |
struct hostent *hp; |
char *errstr; |
int len,s,i; |
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#if !defined(VISUAL) |
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struct sockaddr_un s_un; |
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#endif |
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for ( i = 0; i < 10; i++ ) { |
memset(&hints, 0, sizeof(hints)); |
#if !defined(VISUAL) |
#if defined(VISUAL) |
if ( use_unix ) { |
hints.ai_family = PF_UNSPEC; |
if ( (s = socket(AF_UNIX,SOCK_STREAM,0)) < 0 ) { |
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perror("socket"); |
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return -1; |
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} |
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bzero(&s_un,sizeof(s_un)); |
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s_un.sun_family = AF_UNIX; |
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strcpy(s_un.sun_path,port_str); |
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#if defined(__FreeBSD__) |
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len = SUN_LEN(&s_un); |
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s_un.sun_len = len+1; /* XXX */ |
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#else |
#else |
len = strlen(s_un.sun_path)+sizeof(s_un.sun_family); |
if (use_unix) |
#endif |
hints.ai_family = PF_UNIX; |
saddr = (struct sockaddr *)&s_un; |
else |
} else |
hints.ai_family = PF_UNSPEC; |
#endif /* VISUAL */ |
#endif /* VISUAL */ |
{ |
hints.ai_socktype = SOCK_STREAM; |
if ( (s = socket(AF_INET,SOCK_STREAM,0)) < 0 ) { |
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perror("socket"); |
error = getaddrinfo(host, port_str, &hints, &res); |
return -1; |
if (error) { |
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warnx("try_connect: %s", gai_strerror(error)); |
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return (-1); |
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} |
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for (i = 0 ; i < 10 ; i++) { |
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s = -1; |
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for (ai = res ; ai != NULL ; ai = ai->ai_next) { |
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if ((s = socket(ai->ai_family, ai->ai_socktype, |
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ai->ai_protocol)) < 0 ) { |
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errstr = "socket"; |
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continue; |
} |
} |
bzero(&sin,sizeof(sin)); |
if (connect(s, ai->ai_addr, ai->ai_addrlen) < 0) { |
sin.sin_port = htons(atoi(port_str)); |
errstr = "connect"; |
sin.sin_addr.s_addr = inet_addr(host); |
close(s); |
if ( sin.sin_addr.s_addr != -1 ) { |
s = -1; |
sin.sin_family = AF_INET; |
continue; |
} else { |
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hp = gethostbyname(host); |
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bcopy(hp->h_addr,&sin.sin_addr,hp->h_length); |
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sin.sin_family = hp->h_addrtype; |
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} |
} |
len = sizeof(sin); |
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saddr = (struct sockaddr *)&sin; |
/* established a connection */ |
} |
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if ( connect(s,saddr,len) >= 0 ) |
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break; |
break; |
else { |
} |
close(s); |
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if (s >= 0) { |
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freeaddrinfo(res); |
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return (s); |
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} |
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#if defined(VISUAL) |
#if defined(VISUAL) |
Sleep(100); |
Sleep(100); |
#else |
#else |
usleep(100000); |
usleep(100000); |
#endif |
#endif |
} |
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} |
} |
if ( i == 10 ) { |
freeaddrinfo(res); |
perror("connect"); |
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return -1; |
perror(errstr); |
} else |
return (-1); |
return s; |
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} |
} |
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#if 0 |
close_allconnections() |
close_allconnections() |
{ |
{ |
int s; |
int s; |
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free_iofp(s); |
free_iofp(s); |
} |
} |
} |
} |
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#else |
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close_allconnections() |
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{ |
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shutdown_all(); |
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} |
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#endif |
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free_iofp(s) |
free_iofp(s) |
int s; |
int s; |
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} else { |
} else { |
/* client : read -> write */ |
/* client : read -> write */ |
read_char(iofp[i].in,&rc); |
read_char(iofp[i].in,&rc); |
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/* special care for a failure of spawing a server */ |
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if ( rc !=0 && rc != 1 && rc != 0xff ) |
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return -1; |
write_char(iofp[i].out,&c); ox_flush_stream_force(i); |
write_char(iofp[i].out,&c); ox_flush_stream_force(i); |
} |
} |
iofp[i].conv = c == rc ? 0 : 1; |
iofp[i].conv = c == rc ? 0 : 1; |
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return i; |
return i; |
return -1; |
return -1; |
} |
} |
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#endif /* INET */ |
#endif /* INET */ |
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