Annotation of OpenXM_contrib2/asir2018/io/sio.c, Revision 1.3
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.
1.3 ! fujimoto 47: * $OpenXM: OpenXM_contrib2/asir2018/io/sio.c,v 1.2 2018/09/21 07:06:51 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 ) {
1.3 ! fujimoto 116: #if defined(ANDROID)
! 117: sprintf(port_str,"/data/data/com.termux/files/usr/tmp/ox%02x.XXXXXX",count);
! 118: #else
1.1 noro 119: sprintf(port_str,"/tmp/ox%02x.XXXXXX",count);
1.3 ! fujimoto 120: #endif
1.1 noro 121: count++;
1.2 noro 122: fd = mkstemp(port_str);
123: unlink(port_str);
1.1 noro 124: } else
125: #endif
126: {
127: port = ((unsigned int)mt_genrand()+(unsigned int)get_current_time())
128: %(65536-1024)+1024;
129: sprintf(port_str,"%d",port);
130: }
131: }
132:
133: int try_bind_listen(int use_unix,char *port_str)
134: {
135: struct sockaddr_in sin;
136: struct sockaddr *saddr;
137: int len;
138: int service;
139: #if !defined(VISUAL) && !defined(__MINGW32__)
140: struct sockaddr_un s_un;
141:
142: if ( use_unix ) {
143: service = socket(AF_UNIX, SOCK_STREAM, 0);
144: if (service < 0) {
145: perror("in socket");
146: return -1;
147: }
148: s_un.sun_family = AF_UNIX;
149: strcpy(s_un.sun_path,port_str);
150: #if defined(__FreeBSD__)
151: len = SUN_LEN(&s_un);
152: s_un.sun_len = len+1; /* XXX */
153: #else
154: len = strlen(s_un.sun_path)+sizeof(s_un.sun_family);
155: #endif
156: saddr = (struct sockaddr *)&s_un;
157: } else
158: #endif
159: {
160: service = socket(AF_INET, SOCK_STREAM, 0);
161: if ( service < 0 ) {
162: perror("in socket");
163: return -1;
164: }
165: sin.sin_family = AF_INET; sin.sin_addr.s_addr = INADDR_ANY;
166: sin.sin_port = htons((unsigned short)atoi(port_str));
167: len = sizeof(sin);
168: saddr = (struct sockaddr *)&sin;
169: }
170: if (bind(service, saddr, len) < 0) {
171: perror("in bind");
172: closesocket(service);
173: return -1;
174: }
175: if (getsockname(service,saddr, &len) < 0) {
176: perror("in getsockname");
177: closesocket(service);
178: return -1;
179: }
180: if (listen(service, SOCKQUEUELENGTH) < 0) {
181: perror("in listen");
182: closesocket(service);
183: return -1;
184: }
185: return service;
186: }
187:
188: /*
189: try to accept a connection request
190:
191: Input
192: af_unix: s is UNIX domain socket if af_unix is nonzero
193: s: socket
194:
195: Output
196: c: an accepted socket which is newly created
197: -1: if failed to accept
198:
199: the original socket is always closed.
200: */
201:
202: int try_accept(int af_unix,int s)
203: {
204: int len,c,i;
205: struct sockaddr_in sin;
206:
207: #if !defined(VISUAL) && !defined(__MINGW32__)
208: struct sockaddr_un s_un;
209: if ( af_unix ) {
210: len = sizeof(s_un);
211: for ( c = -1, i = 0; (c < 0)&&(i = 10) ; i++ )
212: c = accept(s, (struct sockaddr *) &s_un, &len);
213: } else
214: #endif
215: {
216:
217: len = sizeof(sin);
218: for ( c = -1, i = 0; (c < 0)&&(i = 10) ; i++ )
219: c = accept(s, (struct sockaddr *) &sin, &len);
220: }
221: if ( i == 10 )
222: c = -1;
223: closesocket(s);
224: return c;
225: }
226:
227: int try_connect(int use_unix,char *host,char *port_str)
228: {
229: struct sockaddr_in sin;
230: struct sockaddr *saddr;
231: struct hostent *hp;
232: int len,s,i;
233: #if !defined(VISUAL) && !defined(__MINGW32__)
234: struct sockaddr_un s_un;
235: #endif
236:
237: for ( i = 0; i < 10; i++ ) {
238: #if !defined(VISUAL) && !defined(__MINGW32__)
239: if ( use_unix ) {
240: if ( (s = socket(AF_UNIX,SOCK_STREAM,0)) < 0 ) {
241: perror("socket");
242: return -1;
243: }
244: bzero(&s_un,sizeof(s_un));
245: s_un.sun_family = AF_UNIX;
246: strcpy(s_un.sun_path,port_str);
247: #if defined(__FreeBSD__)
248: len = SUN_LEN(&s_un);
249: s_un.sun_len = len+1; /* XXX */
250: #else
251: len = strlen(s_un.sun_path)+sizeof(s_un.sun_family);
252: #endif
253: saddr = (struct sockaddr *)&s_un;
254: } else
255: #endif /* VISUAL */
256: {
257: if ( !host )
258: host = "127.0.0.1";
259: if ( (s = socket(AF_INET,SOCK_STREAM,0)) < 0 ) {
260: perror("socket");
261: return -1;
262: }
263: bzero(&sin,sizeof(sin));
264: sin.sin_port = htons((unsigned short)atoi(port_str));
265: sin.sin_addr.s_addr = inet_addr(host);
266: if ( sin.sin_addr.s_addr != -1 ) {
267: sin.sin_family = AF_INET;
268: } else {
269: hp = gethostbyname(host);
270: bcopy(hp->h_addr,&sin.sin_addr,hp->h_length);
271: sin.sin_family = hp->h_addrtype;
272: }
273: len = sizeof(sin);
274: saddr = (struct sockaddr *)&sin;
275: }
276: if ( connect(s,saddr,len) >= 0 )
277: break;
278: else {
279: closesocket(s);
280: #if defined(VISUAL) || defined(__MINGW32__)
281: Sleep(100);
282: #else
283: usleep(100000);
284: #endif
285: }
286: }
287: if ( i == 10 ) {
288: perror("connect");
289: return -1;
290: } else
291: return s;
292: }
293:
294: #if 0
295: void close_allconnections()
296: {
297: int s;
298:
299: #if defined(SIGPIPE)
300: signal(SIGPIPE,SIG_IGN);
301: #endif
302: for ( s = 0; s < MAXIOFP; s++ )
303: close_connection(s);
304: }
305:
306: void close_connection(int s)
307: {
308: struct IOFP *r;
309:
310: r = &iofp[s];
311: if ( r->in && r->out ) {
312: if ( check_sm_by_mc(s,SM_shutdown) )
313: ox_send_cmd(s,SM_shutdown);
314: free_iofp(s);
315: }
316: }
317: #else
318: void close_allconnections()
319: {
320: shutdown_all();
321: }
322: #endif
323:
324: void free_iofp(int s)
325: {
326: struct IOFP *r;
327:
328: r = &iofp[s];
329: #if defined(VISUAL) || defined(__MINGW32__)
330: if ( r->s ) closesocket(r->s);
331: #elif !defined(MPI)
332: if ( r->in ) fclose(r->in);
333: if ( r->out ) fclose(r->out);
334: if ( r->socket ) unlink(r->socket);
335: #endif
336: r->inbuf = r->outbuf = 0;
337: r->in = r->out = 0; r->s = 0;
338: }
339:
340: int get_iofp(int s1,char *af_sock,int is_server)
341: {
342: int i;
343: unsigned char c,rc;
344: extern int mpi_myid;
345:
346: #if defined(MPI)
347: iofp[s1].s = s1;
348: if ( mpi_myid == s1 ) {
349: iofp[s1].in = 0;
350: iofp[s1].out = 0;
351: } else {
352: iofp[s1].in = WSIO_open(s1,"r");
353: iofp[s1].out = WSIO_open(s1,"w");
354: }
355: iofp[s1].conv = 0;
356: iofp[s1].socket = 0;
357:
358: return s1;
359: #else
360: for ( i = 0; i < MAXIOFP; i++ )
361: if ( !iofp[i].in )
362: break;
363: iofp[i].s = s1;
364: #if defined(VISUAL) || defined(__MINGW32__)
365: iofp[i].in = WSIO_open(s1,"r");
366: iofp[i].out = WSIO_open(s1,"w");
367: #else
368: iofp[i].in = fdopen(s1,"r");
369: iofp[i].out = fdopen(s1,"w");
370: #if !defined(__CYGWIN__)
371: setbuffer(iofp[i].in,iofp[i].inbuf = (char *)MALLOC_ATOMIC(LBUFSIZ),LBUFSIZ);
372: setbuffer(iofp[i].out,iofp[i].outbuf = (char *)MALLOC_ATOMIC(LBUFSIZ),LBUFSIZ);
373: #endif
374: #endif
375: if ( little_endian )
376: c = 1;
377: else
378: c = 0xff;
379: if ( is_server ) {
380: /* server : write -> read */
381: write_char((FILE *)iofp[i].out,&c); ox_flush_stream_force(i);
382: read_char((FILE *)iofp[i].in,&rc);
383: } else {
384: /* client : read -> write */
385: read_char((FILE *)iofp[i].in,&rc);
386: /* special care for a failure of spawing a server */
387: if ( rc !=0 && rc != 1 && rc != 0xff )
388: return -1;
389: write_char((FILE *)iofp[i].out,&c); ox_flush_stream_force(i);
390: }
391: iofp[i].conv = c == rc ? 0 : 1;
392: if ( af_sock && af_sock[0] ) {
393: iofp[i].socket = (char *)malloc(strlen(af_sock)+1);
394: strcpy(iofp[i].socket,af_sock);
395: } else
396: iofp[i].socket = 0;
397: return i;
398: #endif
399: }
400:
401: #if defined(VISUAL) || defined(__MINGW32__)
402: void init_socket()
403: {
404: static int socket_is_initialized;
405: WORD wVersionRequested;
406: WSADATA wsaData;
407: int err;
408: wVersionRequested = MAKEWORD(2,0);
409:
410: if ( socket_is_initialized )
411: return;
412: err = WSAStartup(wVersionRequested,&wsaData);
413: if ( err )
414: return;
415: }
416: #endif
417:
418: int get_fd(int index)
419: {
420: return iofp[index].s;
421: }
422:
423: int get_index(int fd)
424: {
425: int i;
426:
427: for ( i = 0; i < MAXIOFP; i++ )
428: if ( iofp[i].s == fd )
429: return i;
430: return -1;
431: }
432:
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