Annotation of OpenXM_contrib2/asir2018/io/sio.c, Revision 1.1
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.
! 47: * $OpenXM$
! 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;
! 112:
! 113: #if !defined(VISUAL) && !defined(__MINGW32__)
! 114: if ( use_unix ) {
! 115: sprintf(port_str,"/tmp/ox%02x.XXXXXX",count);
! 116: count++;
! 117: mktemp(port_str);
! 118: } else
! 119: #endif
! 120: {
! 121: port = ((unsigned int)mt_genrand()+(unsigned int)get_current_time())
! 122: %(65536-1024)+1024;
! 123: sprintf(port_str,"%d",port);
! 124: }
! 125: }
! 126:
! 127: int try_bind_listen(int use_unix,char *port_str)
! 128: {
! 129: struct sockaddr_in sin;
! 130: struct sockaddr *saddr;
! 131: int len;
! 132: int service;
! 133: #if !defined(VISUAL) && !defined(__MINGW32__)
! 134: struct sockaddr_un s_un;
! 135:
! 136: if ( use_unix ) {
! 137: service = socket(AF_UNIX, SOCK_STREAM, 0);
! 138: if (service < 0) {
! 139: perror("in socket");
! 140: return -1;
! 141: }
! 142: s_un.sun_family = AF_UNIX;
! 143: strcpy(s_un.sun_path,port_str);
! 144: #if defined(__FreeBSD__)
! 145: len = SUN_LEN(&s_un);
! 146: s_un.sun_len = len+1; /* XXX */
! 147: #else
! 148: len = strlen(s_un.sun_path)+sizeof(s_un.sun_family);
! 149: #endif
! 150: saddr = (struct sockaddr *)&s_un;
! 151: } else
! 152: #endif
! 153: {
! 154: service = socket(AF_INET, SOCK_STREAM, 0);
! 155: if ( service < 0 ) {
! 156: perror("in socket");
! 157: return -1;
! 158: }
! 159: sin.sin_family = AF_INET; sin.sin_addr.s_addr = INADDR_ANY;
! 160: sin.sin_port = htons((unsigned short)atoi(port_str));
! 161: len = sizeof(sin);
! 162: saddr = (struct sockaddr *)&sin;
! 163: }
! 164: if (bind(service, saddr, len) < 0) {
! 165: perror("in bind");
! 166: closesocket(service);
! 167: return -1;
! 168: }
! 169: if (getsockname(service,saddr, &len) < 0) {
! 170: perror("in getsockname");
! 171: closesocket(service);
! 172: return -1;
! 173: }
! 174: if (listen(service, SOCKQUEUELENGTH) < 0) {
! 175: perror("in listen");
! 176: closesocket(service);
! 177: return -1;
! 178: }
! 179: return service;
! 180: }
! 181:
! 182: /*
! 183: try to accept a connection request
! 184:
! 185: Input
! 186: af_unix: s is UNIX domain socket if af_unix is nonzero
! 187: s: socket
! 188:
! 189: Output
! 190: c: an accepted socket which is newly created
! 191: -1: if failed to accept
! 192:
! 193: the original socket is always closed.
! 194: */
! 195:
! 196: int try_accept(int af_unix,int s)
! 197: {
! 198: int len,c,i;
! 199: struct sockaddr_in sin;
! 200:
! 201: #if !defined(VISUAL) && !defined(__MINGW32__)
! 202: struct sockaddr_un s_un;
! 203: if ( af_unix ) {
! 204: len = sizeof(s_un);
! 205: for ( c = -1, i = 0; (c < 0)&&(i = 10) ; i++ )
! 206: c = accept(s, (struct sockaddr *) &s_un, &len);
! 207: } else
! 208: #endif
! 209: {
! 210:
! 211: len = sizeof(sin);
! 212: for ( c = -1, i = 0; (c < 0)&&(i = 10) ; i++ )
! 213: c = accept(s, (struct sockaddr *) &sin, &len);
! 214: }
! 215: if ( i == 10 )
! 216: c = -1;
! 217: closesocket(s);
! 218: return c;
! 219: }
! 220:
! 221: int try_connect(int use_unix,char *host,char *port_str)
! 222: {
! 223: struct sockaddr_in sin;
! 224: struct sockaddr *saddr;
! 225: struct hostent *hp;
! 226: int len,s,i;
! 227: #if !defined(VISUAL) && !defined(__MINGW32__)
! 228: struct sockaddr_un s_un;
! 229: #endif
! 230:
! 231: for ( i = 0; i < 10; i++ ) {
! 232: #if !defined(VISUAL) && !defined(__MINGW32__)
! 233: if ( use_unix ) {
! 234: if ( (s = socket(AF_UNIX,SOCK_STREAM,0)) < 0 ) {
! 235: perror("socket");
! 236: return -1;
! 237: }
! 238: bzero(&s_un,sizeof(s_un));
! 239: s_un.sun_family = AF_UNIX;
! 240: strcpy(s_un.sun_path,port_str);
! 241: #if defined(__FreeBSD__)
! 242: len = SUN_LEN(&s_un);
! 243: s_un.sun_len = len+1; /* XXX */
! 244: #else
! 245: len = strlen(s_un.sun_path)+sizeof(s_un.sun_family);
! 246: #endif
! 247: saddr = (struct sockaddr *)&s_un;
! 248: } else
! 249: #endif /* VISUAL */
! 250: {
! 251: if ( !host )
! 252: host = "127.0.0.1";
! 253: if ( (s = socket(AF_INET,SOCK_STREAM,0)) < 0 ) {
! 254: perror("socket");
! 255: return -1;
! 256: }
! 257: bzero(&sin,sizeof(sin));
! 258: sin.sin_port = htons((unsigned short)atoi(port_str));
! 259: sin.sin_addr.s_addr = inet_addr(host);
! 260: if ( sin.sin_addr.s_addr != -1 ) {
! 261: sin.sin_family = AF_INET;
! 262: } else {
! 263: hp = gethostbyname(host);
! 264: bcopy(hp->h_addr,&sin.sin_addr,hp->h_length);
! 265: sin.sin_family = hp->h_addrtype;
! 266: }
! 267: len = sizeof(sin);
! 268: saddr = (struct sockaddr *)&sin;
! 269: }
! 270: if ( connect(s,saddr,len) >= 0 )
! 271: break;
! 272: else {
! 273: closesocket(s);
! 274: #if defined(VISUAL) || defined(__MINGW32__)
! 275: Sleep(100);
! 276: #else
! 277: usleep(100000);
! 278: #endif
! 279: }
! 280: }
! 281: if ( i == 10 ) {
! 282: perror("connect");
! 283: return -1;
! 284: } else
! 285: return s;
! 286: }
! 287:
! 288: #if 0
! 289: void close_allconnections()
! 290: {
! 291: int s;
! 292:
! 293: #if defined(SIGPIPE)
! 294: signal(SIGPIPE,SIG_IGN);
! 295: #endif
! 296: for ( s = 0; s < MAXIOFP; s++ )
! 297: close_connection(s);
! 298: }
! 299:
! 300: void close_connection(int s)
! 301: {
! 302: struct IOFP *r;
! 303:
! 304: r = &iofp[s];
! 305: if ( r->in && r->out ) {
! 306: if ( check_sm_by_mc(s,SM_shutdown) )
! 307: ox_send_cmd(s,SM_shutdown);
! 308: free_iofp(s);
! 309: }
! 310: }
! 311: #else
! 312: void close_allconnections()
! 313: {
! 314: shutdown_all();
! 315: }
! 316: #endif
! 317:
! 318: void free_iofp(int s)
! 319: {
! 320: struct IOFP *r;
! 321:
! 322: r = &iofp[s];
! 323: #if defined(VISUAL) || defined(__MINGW32__)
! 324: if ( r->s ) closesocket(r->s);
! 325: #elif !defined(MPI)
! 326: if ( r->in ) fclose(r->in);
! 327: if ( r->out ) fclose(r->out);
! 328: if ( r->socket ) unlink(r->socket);
! 329: #endif
! 330: r->inbuf = r->outbuf = 0;
! 331: r->in = r->out = 0; r->s = 0;
! 332: }
! 333:
! 334: int get_iofp(int s1,char *af_sock,int is_server)
! 335: {
! 336: int i;
! 337: unsigned char c,rc;
! 338: extern int mpi_myid;
! 339:
! 340: #if defined(MPI)
! 341: iofp[s1].s = s1;
! 342: if ( mpi_myid == s1 ) {
! 343: iofp[s1].in = 0;
! 344: iofp[s1].out = 0;
! 345: } else {
! 346: iofp[s1].in = WSIO_open(s1,"r");
! 347: iofp[s1].out = WSIO_open(s1,"w");
! 348: }
! 349: iofp[s1].conv = 0;
! 350: iofp[s1].socket = 0;
! 351:
! 352: return s1;
! 353: #else
! 354: for ( i = 0; i < MAXIOFP; i++ )
! 355: if ( !iofp[i].in )
! 356: break;
! 357: iofp[i].s = s1;
! 358: #if defined(VISUAL) || defined(__MINGW32__)
! 359: iofp[i].in = WSIO_open(s1,"r");
! 360: iofp[i].out = WSIO_open(s1,"w");
! 361: #else
! 362: iofp[i].in = fdopen(s1,"r");
! 363: iofp[i].out = fdopen(s1,"w");
! 364: #if !defined(__CYGWIN__)
! 365: setbuffer(iofp[i].in,iofp[i].inbuf = (char *)MALLOC_ATOMIC(LBUFSIZ),LBUFSIZ);
! 366: setbuffer(iofp[i].out,iofp[i].outbuf = (char *)MALLOC_ATOMIC(LBUFSIZ),LBUFSIZ);
! 367: #endif
! 368: #endif
! 369: if ( little_endian )
! 370: c = 1;
! 371: else
! 372: c = 0xff;
! 373: if ( is_server ) {
! 374: /* server : write -> read */
! 375: write_char((FILE *)iofp[i].out,&c); ox_flush_stream_force(i);
! 376: read_char((FILE *)iofp[i].in,&rc);
! 377: } else {
! 378: /* client : read -> write */
! 379: read_char((FILE *)iofp[i].in,&rc);
! 380: /* special care for a failure of spawing a server */
! 381: if ( rc !=0 && rc != 1 && rc != 0xff )
! 382: return -1;
! 383: write_char((FILE *)iofp[i].out,&c); ox_flush_stream_force(i);
! 384: }
! 385: iofp[i].conv = c == rc ? 0 : 1;
! 386: if ( af_sock && af_sock[0] ) {
! 387: iofp[i].socket = (char *)malloc(strlen(af_sock)+1);
! 388: strcpy(iofp[i].socket,af_sock);
! 389: } else
! 390: iofp[i].socket = 0;
! 391: return i;
! 392: #endif
! 393: }
! 394:
! 395: #if defined(VISUAL) || defined(__MINGW32__)
! 396: void init_socket()
! 397: {
! 398: static int socket_is_initialized;
! 399: WORD wVersionRequested;
! 400: WSADATA wsaData;
! 401: int err;
! 402: wVersionRequested = MAKEWORD(2,0);
! 403:
! 404: if ( socket_is_initialized )
! 405: return;
! 406: err = WSAStartup(wVersionRequested,&wsaData);
! 407: if ( err )
! 408: return;
! 409: }
! 410: #endif
! 411:
! 412: int get_fd(int index)
! 413: {
! 414: return iofp[index].s;
! 415: }
! 416:
! 417: int get_index(int fd)
! 418: {
! 419: int i;
! 420:
! 421: for ( i = 0; i < MAXIOFP; i++ )
! 422: if ( iofp[i].s == fd )
! 423: return i;
! 424: return -1;
! 425: }
! 426:
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