version 1.9.2.2, 2000/11/08 08:31:55 |
version 1.10, 2000/11/15 01:20:27 |
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* OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY |
* OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY |
* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE, |
* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE, |
* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE. |
* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE. |
* $OpenXM: OpenXM_contrib2/asir2000/io/sio.c,v 1.9.2.1 2000/11/08 08:18:14 maekawa Exp $ |
* $OpenXM: OpenXM_contrib2/asir2000/io/sio.c,v 1.9 2000/11/07 06:35:39 noro Exp $ |
*/ |
*/ |
#if INET |
#if INET |
#include "ca.h" |
#include "ca.h" |
#include "setjmp.h" |
#include "setjmp.h" |
#include "ox.h" |
#include "ox.h" |
#if defined(VISUAL) |
#if defined(VISUAL) |
#include <winsock.h> |
#include <winsock2.h> |
#else |
#else |
#include <sys/time.h> |
#include <sys/time.h> |
#include <sys/uio.h> |
#include <sys/uio.h> |
Line 86 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; |
{ |
{ |
union { |
struct sockaddr_in peer; |
struct sockaddr sa; |
struct hostent *hp; |
char data[SOCK_MAXADDRLEN]; |
int peerlen; |
} dummy; |
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struct sockaddr *sa; |
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socklen_t len; |
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char host[NI_MAXHOST]; |
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int rs; |
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rs = getremotesocket(s); |
peerlen = sizeof(peer); |
len = SOCK_MAXADDRLEN; |
getpeername(getremotesocket(s),(struct sockaddr *)&peer,&peerlen); |
getpeername(rs, (struct sockaddr *)dummy.data, &len); |
hp = gethostbyaddr((char *)&peer.sin_addr,sizeof(struct in_addr),AF_INET); |
sa = &(dummy.sa); |
if ( hp ) |
getnameinfo(sa, sa->sa_len, host, sizeof(host), NULL, 0, 0); |
strcpy(name,hp->h_name); |
strcpy(name, host); |
else |
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strcpy(name,(char *)inet_ntoa(peer.sin_addr)); |
} |
} |
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int generate_port(use_unix,port_str) |
int generate_port(use_unix,port_str) |
Line 130 int try_bind_listen(use_unix,port_str) |
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Line 126 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 addrinfo hints, *res, *ai; |
struct sockaddr_in sin; |
int s, error; |
struct sockaddr *saddr; |
char *errstr; |
int len; |
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int service; |
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#if !defined(VISUAL) |
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struct sockaddr_un s_un; |
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memset(&hints, 0, sizeof(hints)); |
if ( use_unix ) { |
#if defined(VISUAL) |
service = socket(AF_UNIX, SOCK_STREAM, 0); |
hints.ai_family = PF_UNSPEC; |
if (service < 0) { |
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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 */ |
#else |
#else |
if (use_unix) |
len = strlen(s_un.sun_path)+sizeof(s_un.sun_family); |
hints.ai_family = PF_UNIX; |
#endif |
else |
saddr = (struct sockaddr *)&s_un; |
hints.ai_family = PF_UNSPEC; |
} else |
#endif /* VISUAL */ |
#endif |
hints.ai_socktype = SOCK_STREAM; |
{ |
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service = socket(AF_INET, SOCK_STREAM, 0); |
error = getaddrinfo(NULL, port_str, &hints, &res); |
if ( service < 0 ) { |
if (error) { |
perror("in socket"); |
warnx("try_bind_listen(): %s", gai_strerror(error)); |
return -1; |
return (-1); |
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} |
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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; |
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} |
} |
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sin.sin_family = AF_INET; sin.sin_addr.s_addr = INADDR_ANY; |
if (bind(s, ai->ai_addr, ai->ai_addrlen) < 0) { |
sin.sin_port = htons(atoi(port_str)); |
errstr = "in bind"; |
len = sizeof(sin); |
close(s); |
saddr = (struct sockaddr *)&sin; |
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; |
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} |
} |
freeaddrinfo(res); |
if (bind(service, saddr, len) < 0) { |
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perror("in bind"); |
if (s < 0) |
close(service); |
perror(errstr); |
return -1; |
return (s); |
} |
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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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/* |
/* |
try to accept a connection request |
try to accept a connection request |
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Input |
Input |
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af_unix: s is UNIX domain socket if af_unix is nonzero |
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(s) |
int try_accept(af_unix,s) |
int s; |
int af_unix,s; |
{ |
{ |
union { |
int len,c,i; |
struct sockaddr sa; |
struct sockaddr_in sin; |
char data[SOCK_MAXADDRLEN]; |
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} dummy; |
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socklen_t len; |
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int c, i; |
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len = SOCK_MAXADDRLEN; |
#if !defined(VISUAL) |
if (getsockname(s, (struct sockaddr *)dummy.data, &len) < 0) { |
struct sockaddr_un s_un; |
close(s); |
if ( af_unix ) { |
return (-1) |
len = sizeof(s_un); |
} |
for ( c = -1, i = 0; (c < 0)&&(i = 10) ; i++ ) |
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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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for (i = 0 ; i < 10 ; i++) { |
len = sizeof(sin); |
c = accept(s, &(dummy.sa), &len); |
for ( c = -1, i = 0; (c < 0)&&(i = 10) ; i++ ) |
if (c >= 0) { |
c = accept(s, (struct sockaddr *) &sin, &len); |
close(s); |
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return (c); |
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} |
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} |
} |
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if ( i == 10 ) |
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c = -1; |
close(s); |
close(s); |
return (-1); |
return c; |
} |
} |
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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 addrinfo hints, *res, *ai; |
struct sockaddr_in sin; |
int s, error, i; |
struct sockaddr *saddr; |
char *errstr; |
struct hostent *hp; |
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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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memset(&hints, 0, sizeof(hints)); |
for ( i = 0; i < 10; i++ ) { |
#if defined(VISUAL) |
#if !defined(VISUAL) |
hints.ai_family = PF_UNSPEC; |
if ( use_unix ) { |
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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 */ |
#else |
#else |
if (use_unix) |
len = strlen(s_un.sun_path)+sizeof(s_un.sun_family); |
hints.ai_family = PF_UNIX; |
#endif |
else |
saddr = (struct sockaddr *)&s_un; |
hints.ai_family = PF_UNSPEC; |
} else |
#endif /* VISUAL */ |
#endif /* VISUAL */ |
hints.ai_socktype = SOCK_STREAM; |
{ |
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if ( (s = socket(AF_INET,SOCK_STREAM,0)) < 0 ) { |
error = getaddrinfo(host, port_str, &hints, &res); |
perror("socket"); |
if (error) { |
return -1; |
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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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; |
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} |
} |
if (connect(s, ai->ai_addr, ai->ai_addrlen) < 0) { |
bzero(&sin,sizeof(sin)); |
errstr = "connect"; |
sin.sin_port = htons(atoi(port_str)); |
close(s); |
sin.sin_addr.s_addr = inet_addr(host); |
s = -1; |
if ( sin.sin_addr.s_addr != -1 ) { |
continue; |
sin.sin_family = AF_INET; |
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} 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); |
/* established a connection */ |
saddr = (struct sockaddr *)&sin; |
break; |
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} |
} |
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if ( connect(s,saddr,len) >= 0 ) |
if (s >= 0) { |
break; |
freeaddrinfo(res); |
else { |
return (s); |
close(s); |
} |
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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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} |
} |
} |
freeaddrinfo(res); |
if ( i == 10 ) { |
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perror("connect"); |
perror(errstr); |
return -1; |
return (-1); |
} else |
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return s; |
} |
} |
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#if 0 |
#if 0 |