Annotation of OpenXM_contrib2/asir2000/io/sio.c, Revision 1.28
1.5 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
1.6 noro 26: * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
1.5 noro 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.
1.28 ! noro 47: * $OpenXM: OpenXM_contrib2/asir2000/io/sio.c,v 1.27 2015/08/14 13:51:55 fujimoto Exp $
1.5 noro 48: */
1.1 noro 49: #include "ca.h"
1.14 noro 50: #include <setjmp.h>
1.1 noro 51: #include "ox.h"
1.27 fujimoto 52: #if defined(VISUAL) || defined(__MINGW32__)
1.10 noro 53: #include <winsock2.h>
1.12 noro 54: #include <io.h>
1.1 noro 55: #else
56: #include <sys/time.h>
57: #include <sys/uio.h>
58: #include <sys/ioctl.h>
59: #include <sys/un.h>
60: #endif
61: #include<signal.h>
62:
63: #define SOCKQUEUELENGTH 5
64: #define ISIZ sizeof(int)
65:
66: extern int little_endian;
67:
1.9 noro 68: int I_am_server;
1.1 noro 69: struct IOFP iofp[MAXIOFP];
70:
71: #if !defined(_PA_RISC1_1)
72: #define RSH "rsh"
73: #else
74: #define RSH "remsh"
75: #endif
76:
77: void init_socket(void);
78:
1.27 fujimoto 79: #if !defined(VISUAL) && !defined(__MINGW32__)
1.24 ohara 80: #define closesocket(s) (close((s)))
81: #endif
82:
1.12 noro 83: int getremotesocket(int s)
1.1 noro 84: {
1.28 ! noro 85: return iofp[s].s;
1.1 noro 86: }
87:
1.12 noro 88: void getremotename(int s,char *name)
1.1 noro 89: {
1.28 ! noro 90: struct sockaddr_in peer;
! 91: struct hostent *hp;
! 92: int peerlen;
! 93:
! 94: peerlen = sizeof(peer);
! 95: getpeername(getremotesocket(s),(struct sockaddr *)&peer,&peerlen);
! 96: hp = gethostbyaddr((char *)&peer.sin_addr,sizeof(struct in_addr),AF_INET);
! 97: if ( hp )
! 98: strcpy(name,hp->h_name);
! 99: else
! 100: strcpy(name,(char *)inet_ntoa(peer.sin_addr));
1.1 noro 101: }
102:
1.12 noro 103: void generate_port(int use_unix,char *port_str)
1.1 noro 104: {
1.28 ! noro 105: double get_current_time();
! 106: unsigned long mt_genrand();
! 107: unsigned int port;
! 108: static int count=0;
1.1 noro 109:
1.27 fujimoto 110: #if !defined(VISUAL) && !defined(__MINGW32__)
1.28 ! noro 111: if ( use_unix ) {
! 112: sprintf(port_str,"/tmp/ox%02x.XXXXXX",count);
! 113: count++;
! 114: mktemp(port_str);
! 115: } else
! 116: #endif
! 117: {
! 118: port = ((unsigned int)mt_genrand()+(unsigned int)get_current_time())
! 119: %(65536-1024)+1024;
! 120: sprintf(port_str,"%d",port);
! 121: }
1.1 noro 122: }
123:
1.12 noro 124: int try_bind_listen(int use_unix,char *port_str)
1.1 noro 125: {
1.28 ! noro 126: struct sockaddr_in sin;
! 127: struct sockaddr *saddr;
! 128: int len;
! 129: int service;
1.27 fujimoto 130: #if !defined(VISUAL) && !defined(__MINGW32__)
1.28 ! noro 131: struct sockaddr_un s_un;
1.1 noro 132:
1.28 ! noro 133: if ( use_unix ) {
! 134: service = socket(AF_UNIX, SOCK_STREAM, 0);
! 135: if (service < 0) {
! 136: perror("in socket");
! 137: return -1;
! 138: }
! 139: s_un.sun_family = AF_UNIX;
! 140: strcpy(s_un.sun_path,port_str);
1.1 noro 141: #if defined(__FreeBSD__)
1.28 ! noro 142: len = SUN_LEN(&s_un);
! 143: s_un.sun_len = len+1; /* XXX */
1.1 noro 144: #else
1.28 ! noro 145: len = strlen(s_un.sun_path)+sizeof(s_un.sun_family);
1.1 noro 146: #endif
1.28 ! noro 147: saddr = (struct sockaddr *)&s_un;
! 148: } else
1.2 noro 149: #endif
1.28 ! noro 150: {
! 151: service = socket(AF_INET, SOCK_STREAM, 0);
! 152: if ( service < 0 ) {
! 153: perror("in socket");
! 154: return -1;
! 155: }
! 156: sin.sin_family = AF_INET; sin.sin_addr.s_addr = INADDR_ANY;
! 157: sin.sin_port = htons((unsigned short)atoi(port_str));
! 158: len = sizeof(sin);
! 159: saddr = (struct sockaddr *)&sin;
! 160: }
! 161: if (bind(service, saddr, len) < 0) {
! 162: perror("in bind");
! 163: closesocket(service);
! 164: return -1;
! 165: }
! 166: if (getsockname(service,saddr, &len) < 0) {
! 167: perror("in getsockname");
! 168: closesocket(service);
! 169: return -1;
! 170: }
! 171: if (listen(service, SOCKQUEUELENGTH) < 0) {
! 172: perror("in listen");
! 173: closesocket(service);
! 174: return -1;
! 175: }
! 176: return service;
1.1 noro 177: }
178:
179: /*
180: try to accept a connection request
181:
182: Input
183: af_unix: s is UNIX domain socket if af_unix is nonzero
184: s: socket
185:
186: Output
187: c: an accepted socket which is newly created
188: -1: if failed to accept
189:
190: the original socket is always closed.
191: */
192:
1.12 noro 193: int try_accept(int af_unix,int s)
1.1 noro 194: {
1.28 ! noro 195: int len,c,i;
! 196: struct sockaddr_in sin;
1.1 noro 197:
1.27 fujimoto 198: #if !defined(VISUAL) && !defined(__MINGW32__)
1.28 ! noro 199: struct sockaddr_un s_un;
! 200: if ( af_unix ) {
! 201: len = sizeof(s_un);
! 202: for ( c = -1, i = 0; (c < 0)&&(i = 10) ; i++ )
! 203: c = accept(s, (struct sockaddr *) &s_un, &len);
! 204: } else
! 205: #endif
! 206: {
! 207:
! 208: len = sizeof(sin);
! 209: for ( c = -1, i = 0; (c < 0)&&(i = 10) ; i++ )
! 210: c = accept(s, (struct sockaddr *) &sin, &len);
! 211: }
! 212: if ( i == 10 )
! 213: c = -1;
! 214: closesocket(s);
! 215: return c;
1.1 noro 216: }
217:
1.12 noro 218: int try_connect(int use_unix,char *host,char *port_str)
1.1 noro 219: {
1.28 ! noro 220: struct sockaddr_in sin;
! 221: struct sockaddr *saddr;
! 222: struct hostent *hp;
! 223: int len,s,i;
1.27 fujimoto 224: #if !defined(VISUAL) && !defined(__MINGW32__)
1.28 ! noro 225: struct sockaddr_un s_un;
1.2 noro 226: #endif
1.1 noro 227:
1.28 ! noro 228: for ( i = 0; i < 10; i++ ) {
1.27 fujimoto 229: #if !defined(VISUAL) && !defined(__MINGW32__)
1.28 ! noro 230: if ( use_unix ) {
! 231: if ( (s = socket(AF_UNIX,SOCK_STREAM,0)) < 0 ) {
! 232: perror("socket");
! 233: return -1;
! 234: }
! 235: bzero(&s_un,sizeof(s_un));
! 236: s_un.sun_family = AF_UNIX;
! 237: strcpy(s_un.sun_path,port_str);
1.1 noro 238: #if defined(__FreeBSD__)
1.28 ! noro 239: len = SUN_LEN(&s_un);
! 240: s_un.sun_len = len+1; /* XXX */
1.1 noro 241: #else
1.28 ! noro 242: len = strlen(s_un.sun_path)+sizeof(s_un.sun_family);
1.1 noro 243: #endif
1.28 ! noro 244: saddr = (struct sockaddr *)&s_un;
! 245: } else
1.2 noro 246: #endif /* VISUAL */
1.28 ! noro 247: {
! 248: if ( !host )
! 249: host = "127.0.0.1";
! 250: if ( (s = socket(AF_INET,SOCK_STREAM,0)) < 0 ) {
! 251: perror("socket");
! 252: return -1;
! 253: }
! 254: bzero(&sin,sizeof(sin));
! 255: sin.sin_port = htons((unsigned short)atoi(port_str));
! 256: sin.sin_addr.s_addr = inet_addr(host);
! 257: if ( sin.sin_addr.s_addr != -1 ) {
! 258: sin.sin_family = AF_INET;
! 259: } else {
! 260: hp = gethostbyname(host);
! 261: bcopy(hp->h_addr,&sin.sin_addr,hp->h_length);
! 262: sin.sin_family = hp->h_addrtype;
! 263: }
! 264: len = sizeof(sin);
! 265: saddr = (struct sockaddr *)&sin;
! 266: }
! 267: if ( connect(s,saddr,len) >= 0 )
! 268: break;
! 269: else {
! 270: closesocket(s);
1.27 fujimoto 271: #if defined(VISUAL) || defined(__MINGW32__)
1.28 ! noro 272: Sleep(100);
1.2 noro 273: #else
1.28 ! noro 274: usleep(100000);
1.2 noro 275: #endif
1.28 ! noro 276: }
! 277: }
! 278: if ( i == 10 ) {
! 279: perror("connect");
! 280: return -1;
! 281: } else
! 282: return s;
1.1 noro 283: }
284:
1.9 noro 285: #if 0
1.12 noro 286: void close_allconnections()
1.1 noro 287: {
1.28 ! noro 288: int s;
1.1 noro 289:
290: #if defined(SIGPIPE)
1.28 ! noro 291: signal(SIGPIPE,SIG_IGN);
1.1 noro 292: #endif
1.28 ! noro 293: for ( s = 0; s < MAXIOFP; s++ )
! 294: close_connection(s);
1.1 noro 295: }
296:
1.12 noro 297: void close_connection(int s)
1.1 noro 298: {
1.28 ! noro 299: struct IOFP *r;
1.1 noro 300:
1.28 ! noro 301: r = &iofp[s];
! 302: if ( r->in && r->out ) {
! 303: if ( check_sm_by_mc(s,SM_shutdown) )
! 304: ox_send_cmd(s,SM_shutdown);
! 305: free_iofp(s);
! 306: }
1.1 noro 307: }
1.9 noro 308: #else
1.12 noro 309: void close_allconnections()
1.9 noro 310: {
1.28 ! noro 311: shutdown_all();
1.9 noro 312: }
313: #endif
1.1 noro 314:
1.12 noro 315: void free_iofp(int s)
1.1 noro 316: {
1.28 ! noro 317: struct IOFP *r;
1.1 noro 318:
1.28 ! noro 319: r = &iofp[s];
1.27 fujimoto 320: #if defined(VISUAL) || defined(__MINGW32__)
1.28 ! noro 321: if ( r->s ) closesocket(r->s);
1.23 noro 322: #elif !defined(MPI)
1.28 ! noro 323: if ( r->in ) fclose(r->in);
! 324: if ( r->out ) fclose(r->out);
! 325: if ( r->socket ) unlink(r->socket);
1.17 noro 326: #endif
1.28 ! noro 327: r->inbuf = r->outbuf = 0;
! 328: r->in = r->out = 0; r->s = 0;
1.1 noro 329: }
330:
1.12 noro 331: int get_iofp(int s1,char *af_sock,int is_server)
1.1 noro 332: {
1.28 ! noro 333: int i;
! 334: unsigned char c,rc;
! 335: extern int mpi_myid;
1.1 noro 336:
1.23 noro 337: #if defined(MPI)
1.28 ! noro 338: iofp[s1].s = s1;
! 339: if ( mpi_myid == s1 ) {
! 340: iofp[s1].in = 0;
! 341: iofp[s1].out = 0;
! 342: } else {
! 343: iofp[s1].in = WSIO_open(s1,"r");
! 344: iofp[s1].out = WSIO_open(s1,"w");
! 345: }
! 346: iofp[s1].conv = 0;
! 347: iofp[s1].socket = 0;
1.4 noro 348:
1.28 ! noro 349: return s1;
1.4 noro 350: #else
1.28 ! noro 351: for ( i = 0; i < MAXIOFP; i++ )
! 352: if ( !iofp[i].in )
! 353: break;
! 354: iofp[i].s = s1;
1.27 fujimoto 355: #if defined(VISUAL) || defined(__MINGW32__)
1.28 ! noro 356: iofp[i].in = WSIO_open(s1,"r");
! 357: iofp[i].out = WSIO_open(s1,"w");
1.1 noro 358: #else
1.28 ! noro 359: iofp[i].in = fdopen(s1,"r");
! 360: iofp[i].out = fdopen(s1,"w");
1.13 noro 361: #if !defined(__CYGWIN__)
1.28 ! noro 362: setbuffer(iofp[i].in,iofp[i].inbuf = (char *)MALLOC_ATOMIC(LBUFSIZ),LBUFSIZ);
! 363: setbuffer(iofp[i].out,iofp[i].outbuf = (char *)MALLOC_ATOMIC(LBUFSIZ),LBUFSIZ);
1.13 noro 364: #endif
1.1 noro 365: #endif
1.28 ! noro 366: if ( little_endian )
! 367: c = 1;
! 368: else
! 369: c = 0xff;
! 370: if ( is_server ) {
! 371: /* server : write -> read */
! 372: write_char((FILE *)iofp[i].out,&c); ox_flush_stream_force(i);
! 373: read_char((FILE *)iofp[i].in,&rc);
! 374: } else {
! 375: /* client : read -> write */
! 376: read_char((FILE *)iofp[i].in,&rc);
! 377: /* special care for a failure of spawing a server */
! 378: if ( rc !=0 && rc != 1 && rc != 0xff )
! 379: return -1;
! 380: write_char((FILE *)iofp[i].out,&c); ox_flush_stream_force(i);
! 381: }
! 382: iofp[i].conv = c == rc ? 0 : 1;
! 383: if ( af_sock && af_sock[0] ) {
! 384: iofp[i].socket = (char *)malloc(strlen(af_sock)+1);
! 385: strcpy(iofp[i].socket,af_sock);
! 386: } else
! 387: iofp[i].socket = 0;
! 388: return i;
1.1 noro 389: #endif
390: }
391:
1.27 fujimoto 392: #if defined(VISUAL) || defined(__MINGW32__)
1.1 noro 393: void init_socket()
394: {
1.28 ! noro 395: static int socket_is_initialized;
! 396: WORD wVersionRequested;
! 397: WSADATA wsaData;
! 398: int err;
! 399: wVersionRequested = MAKEWORD(2,0);
! 400:
! 401: if ( socket_is_initialized )
! 402: return;
! 403: err = WSAStartup(wVersionRequested,&wsaData);
! 404: if ( err )
! 405: return;
1.1 noro 406: }
407: #endif
408:
1.12 noro 409: int get_fd(int index)
1.1 noro 410: {
1.28 ! noro 411: return iofp[index].s;
1.1 noro 412: }
413:
1.12 noro 414: int get_index(int fd)
1.1 noro 415: {
1.28 ! noro 416: int i;
1.1 noro 417:
1.28 ! noro 418: for ( i = 0; i < MAXIOFP; i++ )
! 419: if ( iofp[i].s == fd )
! 420: return i;
! 421: return -1;
1.1 noro 422: }
1.9 noro 423:
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