Annotation of OpenXM_contrib2/asir2018/io/sio.c, Revision 1.2
1.1 noro 1: /*
2: * Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED
3: * All rights reserved.
4: *
5: * FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited,
6: * non-exclusive and royalty-free license to use, copy, modify and
7: * redistribute, solely for non-commercial and non-profit purposes, the
8: * computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and
9: * conditions of this Agreement. For the avoidance of doubt, you acquire
10: * only a limited right to use the SOFTWARE hereunder, and FLL or any
11: * third party developer retains all rights, including but not limited to
12: * copyrights, in and to the SOFTWARE.
13: *
14: * (1) FLL does not grant you a license in any way for commercial
15: * purposes. You may use the SOFTWARE only for non-commercial and
16: * non-profit purposes only, such as academic, research and internal
17: * business use.
18: * (2) The SOFTWARE is protected by the Copyright Law of Japan and
19: * international copyright treaties. If you make copies of the SOFTWARE,
20: * with or without modification, as permitted hereunder, you shall affix
21: * to all such copies of the SOFTWARE the above copyright notice.
22: * (3) An explicit reference to this SOFTWARE and its copyright owner
23: * shall be made on your publication or presentation in any form of the
24: * results obtained by use of the SOFTWARE.
25: * (4) In the event that you modify the SOFTWARE, you shall notify FLL by
26: * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
27: * for such modification or the source code of the modified part of the
28: * SOFTWARE.
29: *
30: * THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL
31: * MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND
32: * EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
33: * FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES'
34: * RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY
35: * MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY.
36: * UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT,
37: * OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY
38: * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL
39: * DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES
40: * ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES
41: * FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY
42: * DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF
43: * SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART
44: * OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
45: * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
46: * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
1.2 ! noro 47: * $OpenXM: OpenXM_contrib2/asir2018/io/sio.c,v 1.1 2018/09/19 05:45:08 noro Exp $
1.1 noro 48: */
49: #include "ca.h"
50: #include <setjmp.h>
51: #include "ox.h"
52: #if defined(VISUAL) || defined(__MINGW32__)
53: #include <winsock2.h>
54: #include <io.h>
55: #else
56: #include <sys/time.h>
57: #include <sys/uio.h>
58: #include <sys/ioctl.h>
59: #include <sys/un.h>
60: #include <sys/socket.h>
61: #include <netinet/in.h>
62: #include <arpa/inet.h>
63: #endif
64: #include<signal.h>
65:
66: #define SOCKQUEUELENGTH 5
67: #define ISIZ sizeof(int)
68:
69: extern int little_endian;
70:
71: int I_am_server;
72: struct IOFP iofp[MAXIOFP];
73:
74: #if !defined(_PA_RISC1_1)
75: #define RSH "rsh"
76: #else
77: #define RSH "remsh"
78: #endif
79:
80: void init_socket(void);
81:
82: #if !defined(VISUAL) && !defined(__MINGW32__)
83: #define closesocket(s) (close((s)))
84: #endif
85:
86: int getremotesocket(int s)
87: {
88: return iofp[s].s;
89: }
90:
91: void getremotename(int s,char *name)
92: {
93: struct sockaddr_in peer;
94: struct hostent *hp;
95: int peerlen;
96:
97: peerlen = sizeof(peer);
98: getpeername(getremotesocket(s),(struct sockaddr *)&peer,&peerlen);
99: hp = gethostbyaddr((char *)&peer.sin_addr,sizeof(struct in_addr),AF_INET);
100: if ( hp )
101: strcpy(name,hp->h_name);
102: else
103: strcpy(name,(char *)inet_ntoa(peer.sin_addr));
104: }
105:
106: void generate_port(int use_unix,char *port_str)
107: {
108: double get_current_time();
109: unsigned long mt_genrand();
110: unsigned int port;
111: static int count=0;
1.2 ! noro 112: int fd;
1.1 noro 113:
114: #if !defined(VISUAL) && !defined(__MINGW32__)
115: if ( use_unix ) {
116: sprintf(port_str,"/tmp/ox%02x.XXXXXX",count);
117: count++;
1.2 ! noro 118: fd = mkstemp(port_str);
! 119: unlink(port_str);
1.1 noro 120: } else
121: #endif
122: {
123: port = ((unsigned int)mt_genrand()+(unsigned int)get_current_time())
124: %(65536-1024)+1024;
125: sprintf(port_str,"%d",port);
126: }
127: }
128:
129: int try_bind_listen(int use_unix,char *port_str)
130: {
131: struct sockaddr_in sin;
132: struct sockaddr *saddr;
133: int len;
134: int service;
135: #if !defined(VISUAL) && !defined(__MINGW32__)
136: struct sockaddr_un s_un;
137:
138: if ( use_unix ) {
139: service = socket(AF_UNIX, SOCK_STREAM, 0);
140: if (service < 0) {
141: perror("in socket");
142: return -1;
143: }
144: s_un.sun_family = AF_UNIX;
145: strcpy(s_un.sun_path,port_str);
146: #if defined(__FreeBSD__)
147: len = SUN_LEN(&s_un);
148: s_un.sun_len = len+1; /* XXX */
149: #else
150: len = strlen(s_un.sun_path)+sizeof(s_un.sun_family);
151: #endif
152: saddr = (struct sockaddr *)&s_un;
153: } else
154: #endif
155: {
156: service = socket(AF_INET, SOCK_STREAM, 0);
157: if ( service < 0 ) {
158: perror("in socket");
159: return -1;
160: }
161: sin.sin_family = AF_INET; sin.sin_addr.s_addr = INADDR_ANY;
162: sin.sin_port = htons((unsigned short)atoi(port_str));
163: len = sizeof(sin);
164: saddr = (struct sockaddr *)&sin;
165: }
166: if (bind(service, saddr, len) < 0) {
167: perror("in bind");
168: closesocket(service);
169: return -1;
170: }
171: if (getsockname(service,saddr, &len) < 0) {
172: perror("in getsockname");
173: closesocket(service);
174: return -1;
175: }
176: if (listen(service, SOCKQUEUELENGTH) < 0) {
177: perror("in listen");
178: closesocket(service);
179: return -1;
180: }
181: return service;
182: }
183:
184: /*
185: try to accept a connection request
186:
187: Input
188: af_unix: s is UNIX domain socket if af_unix is nonzero
189: s: socket
190:
191: Output
192: c: an accepted socket which is newly created
193: -1: if failed to accept
194:
195: the original socket is always closed.
196: */
197:
198: int try_accept(int af_unix,int s)
199: {
200: int len,c,i;
201: struct sockaddr_in sin;
202:
203: #if !defined(VISUAL) && !defined(__MINGW32__)
204: struct sockaddr_un s_un;
205: if ( af_unix ) {
206: len = sizeof(s_un);
207: for ( c = -1, i = 0; (c < 0)&&(i = 10) ; i++ )
208: c = accept(s, (struct sockaddr *) &s_un, &len);
209: } else
210: #endif
211: {
212:
213: len = sizeof(sin);
214: for ( c = -1, i = 0; (c < 0)&&(i = 10) ; i++ )
215: c = accept(s, (struct sockaddr *) &sin, &len);
216: }
217: if ( i == 10 )
218: c = -1;
219: closesocket(s);
220: return c;
221: }
222:
223: int try_connect(int use_unix,char *host,char *port_str)
224: {
225: struct sockaddr_in sin;
226: struct sockaddr *saddr;
227: struct hostent *hp;
228: int len,s,i;
229: #if !defined(VISUAL) && !defined(__MINGW32__)
230: struct sockaddr_un s_un;
231: #endif
232:
233: for ( i = 0; i < 10; i++ ) {
234: #if !defined(VISUAL) && !defined(__MINGW32__)
235: if ( use_unix ) {
236: if ( (s = socket(AF_UNIX,SOCK_STREAM,0)) < 0 ) {
237: perror("socket");
238: return -1;
239: }
240: bzero(&s_un,sizeof(s_un));
241: s_un.sun_family = AF_UNIX;
242: strcpy(s_un.sun_path,port_str);
243: #if defined(__FreeBSD__)
244: len = SUN_LEN(&s_un);
245: s_un.sun_len = len+1; /* XXX */
246: #else
247: len = strlen(s_un.sun_path)+sizeof(s_un.sun_family);
248: #endif
249: saddr = (struct sockaddr *)&s_un;
250: } else
251: #endif /* VISUAL */
252: {
253: if ( !host )
254: host = "127.0.0.1";
255: if ( (s = socket(AF_INET,SOCK_STREAM,0)) < 0 ) {
256: perror("socket");
257: return -1;
258: }
259: bzero(&sin,sizeof(sin));
260: sin.sin_port = htons((unsigned short)atoi(port_str));
261: sin.sin_addr.s_addr = inet_addr(host);
262: if ( sin.sin_addr.s_addr != -1 ) {
263: sin.sin_family = AF_INET;
264: } else {
265: hp = gethostbyname(host);
266: bcopy(hp->h_addr,&sin.sin_addr,hp->h_length);
267: sin.sin_family = hp->h_addrtype;
268: }
269: len = sizeof(sin);
270: saddr = (struct sockaddr *)&sin;
271: }
272: if ( connect(s,saddr,len) >= 0 )
273: break;
274: else {
275: closesocket(s);
276: #if defined(VISUAL) || defined(__MINGW32__)
277: Sleep(100);
278: #else
279: usleep(100000);
280: #endif
281: }
282: }
283: if ( i == 10 ) {
284: perror("connect");
285: return -1;
286: } else
287: return s;
288: }
289:
290: #if 0
291: void close_allconnections()
292: {
293: int s;
294:
295: #if defined(SIGPIPE)
296: signal(SIGPIPE,SIG_IGN);
297: #endif
298: for ( s = 0; s < MAXIOFP; s++ )
299: close_connection(s);
300: }
301:
302: void close_connection(int s)
303: {
304: struct IOFP *r;
305:
306: r = &iofp[s];
307: if ( r->in && r->out ) {
308: if ( check_sm_by_mc(s,SM_shutdown) )
309: ox_send_cmd(s,SM_shutdown);
310: free_iofp(s);
311: }
312: }
313: #else
314: void close_allconnections()
315: {
316: shutdown_all();
317: }
318: #endif
319:
320: void free_iofp(int s)
321: {
322: struct IOFP *r;
323:
324: r = &iofp[s];
325: #if defined(VISUAL) || defined(__MINGW32__)
326: if ( r->s ) closesocket(r->s);
327: #elif !defined(MPI)
328: if ( r->in ) fclose(r->in);
329: if ( r->out ) fclose(r->out);
330: if ( r->socket ) unlink(r->socket);
331: #endif
332: r->inbuf = r->outbuf = 0;
333: r->in = r->out = 0; r->s = 0;
334: }
335:
336: int get_iofp(int s1,char *af_sock,int is_server)
337: {
338: int i;
339: unsigned char c,rc;
340: extern int mpi_myid;
341:
342: #if defined(MPI)
343: iofp[s1].s = s1;
344: if ( mpi_myid == s1 ) {
345: iofp[s1].in = 0;
346: iofp[s1].out = 0;
347: } else {
348: iofp[s1].in = WSIO_open(s1,"r");
349: iofp[s1].out = WSIO_open(s1,"w");
350: }
351: iofp[s1].conv = 0;
352: iofp[s1].socket = 0;
353:
354: return s1;
355: #else
356: for ( i = 0; i < MAXIOFP; i++ )
357: if ( !iofp[i].in )
358: break;
359: iofp[i].s = s1;
360: #if defined(VISUAL) || defined(__MINGW32__)
361: iofp[i].in = WSIO_open(s1,"r");
362: iofp[i].out = WSIO_open(s1,"w");
363: #else
364: iofp[i].in = fdopen(s1,"r");
365: iofp[i].out = fdopen(s1,"w");
366: #if !defined(__CYGWIN__)
367: setbuffer(iofp[i].in,iofp[i].inbuf = (char *)MALLOC_ATOMIC(LBUFSIZ),LBUFSIZ);
368: setbuffer(iofp[i].out,iofp[i].outbuf = (char *)MALLOC_ATOMIC(LBUFSIZ),LBUFSIZ);
369: #endif
370: #endif
371: if ( little_endian )
372: c = 1;
373: else
374: c = 0xff;
375: if ( is_server ) {
376: /* server : write -> read */
377: write_char((FILE *)iofp[i].out,&c); ox_flush_stream_force(i);
378: read_char((FILE *)iofp[i].in,&rc);
379: } else {
380: /* client : read -> write */
381: read_char((FILE *)iofp[i].in,&rc);
382: /* special care for a failure of spawing a server */
383: if ( rc !=0 && rc != 1 && rc != 0xff )
384: return -1;
385: write_char((FILE *)iofp[i].out,&c); ox_flush_stream_force(i);
386: }
387: iofp[i].conv = c == rc ? 0 : 1;
388: if ( af_sock && af_sock[0] ) {
389: iofp[i].socket = (char *)malloc(strlen(af_sock)+1);
390: strcpy(iofp[i].socket,af_sock);
391: } else
392: iofp[i].socket = 0;
393: return i;
394: #endif
395: }
396:
397: #if defined(VISUAL) || defined(__MINGW32__)
398: void init_socket()
399: {
400: static int socket_is_initialized;
401: WORD wVersionRequested;
402: WSADATA wsaData;
403: int err;
404: wVersionRequested = MAKEWORD(2,0);
405:
406: if ( socket_is_initialized )
407: return;
408: err = WSAStartup(wVersionRequested,&wsaData);
409: if ( err )
410: return;
411: }
412: #endif
413:
414: int get_fd(int index)
415: {
416: return iofp[index].s;
417: }
418:
419: int get_index(int fd)
420: {
421: int i;
422:
423: for ( i = 0; i < MAXIOFP; i++ )
424: if ( iofp[i].s == fd )
425: return i;
426: return -1;
427: }
428:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/cvsweb/back.gif){kind=icon}
Return to sio.c CVS log ![[TXT]](/icons/cvsweb/text.gif){kind=icon}
![[DIR]](/icons/cvsweb/dir.gif){kind=icon}
Up to [local] / OpenXM_contrib2 / asir2018 / io