예제 #1
0
파일: cnode.c 프로젝트: rflynn93/erld
int accept_erlang_connection(ei_cnode *ec, int listen_sock, ErlConnect *onode) {
    int con;

    DEBUG("accepting connection on erlang socket");
    do {
        con = ei_accept(ec, listen_sock, onode);
    } while ((con == ERL_ERROR) && (erl_errno == EINTR));
    if (con == ERL_ERROR) {
        erl_err_sys("ei_accept failed");
        return -1;
    }
    else
        DEBUG_V("connection from node \"%s\"", onode->nodename);
    return con;
}
예제 #2
0
파일: cnode.c 프로젝트: ShoreTel-Inc/erld
int accept_erlang_connection(ei_cnode *ec, int listen_sock, ErlConnect *onode) {
	int con, named;
	struct sockaddr_in addr;
	socklen_t len;

	/* Unfortunately we can't print out the address of the connection
	 * attempt if it doesn't succeed, because we don't have the socket
	 * at that stage: the accept() and more happen together inside ei_accept. */
	DEBUG("accepting connection on erlang socket");
	do {
		con = ei_accept(ec, listen_sock, onode);
	} while ((con == ERL_ERROR) && (erl_errno == EINTR));
	if (con == ERL_ERROR) {
		LOG_V("ei_accept failed (%d): %s", erl_errno, strerror(erl_errno));
		return -1;
	}
	len = sizeof addr;
	named = !getpeername(con, (struct sockaddr *)&addr, &len);
	LOG_V("connection from node %s:%d \"%s\""
	, (named ? inet_ntoa(addr.sin_addr) : "?"), (named ? ntohs(addr.sin_port) : -1), onode->nodename);
	return con;
}
예제 #3
0
파일: ei_fake_prog.c 프로젝트: caox/otp
int main(void)
#endif
{
  ErlConnect conp;
  Erl_IpAddr thisipaddr = (Erl_IpAddr)0;
  FILE *fp = (FILE *)0;
  char* charp = "foo";
  double *doublep = NULL;
  double doublex = 0.0;
  ei_cnode xec;
  ei_reg *ei_regp = NULL;
  ei_term eterm;
  ei_x_buff eix;
  erlang_big *bigp = NULL;
  erlang_fun efun;
  erlang_msg *msgp = NULL;
  erlang_msg emsg;
  erlang_pid *pidp = NULL;
  erlang_pid epid;
  erlang_port eport;
  erlang_ref eref;
  erlang_trace etrace;
  int *intp = NULL;
  int intx = 0;
  long *longp = NULL;
  long longx = 0;
  short creation = 0;
  struct ei_reg_stat *ei_reg_statp = NULL;
  struct ei_reg_tabstat *ei_reg_tabstatp = NULL;
  struct hostent *hostp = NULL;
  unsigned char * ucharp = (unsigned char *)"foo";
  unsigned long *ulongp = NULL;
  unsigned long ulongx = 0;
  void *voidp = NULL;
#ifndef VXWORKS
  EI_LONGLONG *longlongp = (EI_LONGLONG*)NULL;
  EI_LONGLONG longlongx = 0;
  EI_ULONGLONG *ulonglongp = (EI_ULONGLONG*)NULL;
  EI_ULONGLONG ulonglongx = 0;
#endif
  enum erlang_char_encoding enc;

  intx = erl_errno;

  ei_connect_init(&xec, charp, charp, creation);
  ei_connect_xinit (&xec, charp, charp, charp, thisipaddr, charp, creation);

  ei_connect(&xec, charp);
  ei_xconnect (&xec, thisipaddr, charp);

  ei_receive(intx, ucharp, intx);
  ei_receive_msg(intx, &emsg, &eix);
  ei_xreceive_msg(intx, &emsg, &eix);

  ei_send(intx, &epid, charp, intx);
  ei_reg_send(&xec, intx, charp, charp, intx);

  ei_rpc(&xec, intx, charp, charp, charp, intx, &eix);
  ei_rpc_to(&xec, intx, charp, charp, charp, intx);
  ei_rpc_from(&xec, intx, intx, &emsg, &eix);

  ei_publish(&xec, intx);
  ei_accept(&xec, intx, &conp);
  ei_unpublish(&xec);

  ei_thisnodename(&xec);
  ei_thishostname(&xec);
  ei_thisalivename(&xec);

  ei_self(&xec);

  ei_gethostbyname(charp);
  ei_gethostbyaddr(charp, intx, intx);
  ei_gethostbyname_r(charp, hostp, charp, intx, intp);
  ei_gethostbyaddr_r(charp, intx, intx, hostp, charp, intx, intp);

  ei_encode_version(charp, intp);
  ei_x_encode_version(&eix);
  ei_encode_long(charp, intp, longx);
  ei_x_encode_long(&eix, longx);
  ei_encode_ulong(charp, intp, ulongx);
  ei_x_encode_ulong(&eix, ulongx);
  ei_encode_double(charp, intp, doublex);
  ei_x_encode_double(&eix, doublex);
  ei_encode_boolean(charp, intp, intx);
  ei_x_encode_boolean(&eix, intx);
  ei_encode_char(charp, intp, 'a');
  ei_x_encode_char(&eix, 'a');
  ei_encode_string(charp, intp, charp);
  ei_encode_string_len(charp, intp, charp, intx);
  ei_x_encode_string(&eix, charp);
  ei_x_encode_string_len(&eix, charp, intx);
  ei_encode_atom(charp, intp, charp);
  ei_encode_atom_as(charp, intp, charp, ERLANG_LATIN1, ERLANG_UTF8);
  ei_encode_atom_len(charp, intp, charp, intx);
  ei_encode_atom_len_as(charp, intp, charp, intx, ERLANG_ASCII, ERLANG_LATIN1);
  ei_x_encode_atom(&eix, charp);
  ei_x_encode_atom_as(&eix, charp, ERLANG_LATIN1, ERLANG_UTF8);
  ei_x_encode_atom_len(&eix, charp, intx);
  ei_x_encode_atom_len_as(&eix, charp, intx, ERLANG_LATIN1, ERLANG_UTF8);
  ei_encode_binary(charp, intp, (void *)0, longx);
  ei_x_encode_binary(&eix, (void*)0, intx);
  ei_encode_pid(charp, intp, &epid);
  ei_x_encode_pid(&eix, &epid);
  ei_encode_fun(charp, intp, &efun);
  ei_x_encode_fun(&eix, &efun);
  ei_encode_port(charp, intp, &eport);
  ei_x_encode_port(&eix, &eport);
  ei_encode_ref(charp, intp, &eref);
  ei_x_encode_ref(&eix, &eref);
  ei_encode_trace(charp, intp, &etrace);
  ei_x_encode_trace(&eix, &etrace);
  ei_encode_tuple_header(charp, intp, intx);
  ei_x_encode_tuple_header(&eix, longx);
  ei_encode_list_header(charp, intp, intx);
  ei_x_encode_list_header(&eix, longx);
/* #define ei_encode_empty_list(buf,i) ei_encode_list_header(buf,i,0) */
  ei_x_encode_empty_list(&eix);

  ei_get_type(charp, intp, intp, intp);
  ei_get_type_internal(charp, intp, intp, intp);

  ei_decode_version(charp, intp, intp);
  ei_decode_long(charp, intp, longp);
  ei_decode_ulong(charp, intp, ulongp);
  ei_decode_double(charp, intp, doublep);
  ei_decode_boolean(charp, intp, intp);
  ei_decode_char(charp, intp, charp);
  ei_decode_string(charp, intp, charp);
  ei_decode_atom(charp, intp, charp);
  ei_decode_atom_as(charp, intp, charp, MAXATOMLEN_UTF8, ERLANG_WHATEVER, &enc, &enc);
  ei_decode_binary(charp, intp, (void *)0, longp);
  ei_decode_fun(charp, intp, &efun);
  free_fun(&efun);
  ei_decode_pid(charp, intp, &epid);
  ei_decode_port(charp, intp, &eport);
  ei_decode_ref(charp, intp, &eref);
  ei_decode_trace(charp, intp, &etrace);
  ei_decode_tuple_header(charp, intp, intp);
  ei_decode_list_header(charp, intp, intp);

  ei_decode_ei_term(charp, intp, &eterm);

  ei_print_term(fp, charp, intp);
  ei_s_print_term(&charp, charp, intp);

  ei_x_format(&eix, charp);
  ei_x_format_wo_ver(&eix, charp);

  ei_x_new(&eix);
  ei_x_new_with_version(&eix);
  ei_x_free(&eix);
  ei_x_append(&eix, &eix);
  ei_x_append_buf(&eix, charp, intx);
  ei_skip_term(charp, intp);

  ei_reg_open(intx);
  ei_reg_resize(ei_regp, intx);
  ei_reg_close(ei_regp);

  ei_reg_setival(ei_regp, charp, longx);
  ei_reg_setfval(ei_regp, charp, doublex);
  ei_reg_setsval(ei_regp, charp, charp);
  ei_reg_setpval(ei_regp, charp, voidp, intx);

  ei_reg_setval(ei_regp, charp, intx);

  ei_reg_getival(ei_regp, charp);
  ei_reg_getfval(ei_regp, charp);
  ei_reg_getsval(ei_regp, charp);
  ei_reg_getpval(ei_regp, charp, intp);

  ei_reg_getval(ei_regp, charp, intx);

  ei_reg_markdirty(ei_regp, charp);

  ei_reg_delete(ei_regp, charp);

  ei_reg_stat(ei_regp, charp, ei_reg_statp);

  ei_reg_tabstat(ei_regp, ei_reg_tabstatp);

  ei_reg_dump(intx, ei_regp, charp, intx);
  ei_reg_restore(intx, ei_regp, charp);
  ei_reg_purge(ei_regp);

#if defined(HAVE_GMP_H) && defined(HAVE_LIBGMP)
  {
      mpz_t obj;
      ei_decode_bignum(charp, intp, obj);
      ei_encode_bignum(charp, intp, obj);
      ei_x_encode_bignum(&eix, obj);
  }
#endif /* HAVE_GMP_H && HAVE_LIBGMP */

#ifndef VXWORKS

  ei_decode_longlong(charp, intp, longlongp);
  ei_decode_ulonglong(charp, intp, ulonglongp);
  ei_encode_longlong(charp, intp, longlongx);
  ei_encode_ulonglong(charp, intp, ulonglongx);
  ei_x_encode_longlong(&eix, longlongx);
  ei_x_encode_ulonglong(&eix, ulonglongx);

#endif

#ifdef USE_EI_UNDOCUMENTED

  ei_decode_intlist(charp, intp, longp, intp);

  ei_receive_encoded(intx, &charp, intp, msgp, intp);
  ei_send_encoded(intx, pidp, charp, intx);
  ei_send_reg_encoded(intx, pidp, charp, charp, intx);

  ei_decode_big(charp, intp, bigp);
  ei_big_comp(bigp, bigp);
  ei_big_to_double(bigp, doublep);
  ei_small_to_big(intx, bigp);
  ei_alloc_big(intx);
  ei_free_big(bigp);

#endif /* USE_EI_UNDOCUMENTED */

  return
      BUFSIZ +
      EAGAIN +
      EHOSTUNREACH +
      EIO +
      EI_BIN +
      EI_DELET +
      EI_DIRTY +
      EI_FLT +
      EI_FORCE +
      EI_INT +
      EI_NOPURGE +
      EI_STR +
      EMSGSIZE +
      ENOMEM +
      ERL_ERROR +
      ERL_EXIT +
      ERL_LINK +
      ERL_MSG +
      ERL_NO_TIMEOUT +
      ERL_REG_SEND +
      ERL_SEND +
      ERL_TICK +
      ERL_TIMEOUT +
      ERL_UNLINK +
      ETIMEDOUT +
      MAXATOMLEN;
}
예제 #4
0
/*
 * Accept and initiate a connection from an other
 * Erlang node. Return a file descriptor at success,
 * otherwise -1;
 */
int erl_accept(int lfd, ErlConnect *conp)
{
    return ei_accept(&erl_if_ec, lfd, conp);
}
예제 #5
0
파일: erlang.c 프로젝트: AGoodId/uwsgi
void erlang_loop(int id, void *data) {

	ErlConnect econn;
	//ErlMessage em;
	erlang_msg em;
	int fd;

	int eversion;

	ei_x_buff x, xr;

	ei_x_new(&x); 
	ei_x_new(&xr); 

	
	/*
	int fd0 = ei_connect(&uerl.cnode, "anothernode@maverick64");
	uwsgi_log("fd0: %d\n", fd0);

	ei_x_encode_list_header(&x, 0);

	ei_rpc_to(&uerl.cnode, fd0, "erlang", "node", x.buff, x.index);

	ei_rpc_from(&uerl.cnode, fd0, 10000, &em, &xr);

	uwsgi_log("From: %s To: %s RegName: %s\n", em.from.node, em.to.node, em.toname);

	xr.index = 0;
	ei_decode_version(xr.buff, &xr.index, &eversion);
        uwsgi_log("eversion: %d\n", eversion);

	dump_eterm(&xr);	
	*/

	for(;;) {

		fd = ei_accept(&uerl.cnode, uerl.fd, &econn);

		if (fd >= 0) {

			for (;;) {
				if (ei_xreceive_msg(fd, &em, &x) == ERL_MSG) {

					if (em.msgtype == ERL_TICK)
						continue;

					uwsgi_log("[erlang] message From: %s To (process): %s\n", em.from.node, em.toname);


					
					x.index = 0;
					ei_decode_version(x.buff, &x.index, &eversion);
#ifdef UWSGI_DEBUG
					uwsgi_log("eversion: %d\n", eversion);
#endif

					if (!strcmp(em.toname, "rex")) {
						uwsgi_erlang_rpc(fd, &em.from, &x);
					}
					else {
						struct uwsgi_erlang_process *uep = uerl.uep;
						while(uep) {
							if (!strcmp(uep->name, em.toname)) {
								if (uep->plugin) {
									uep->plugin(uep->func, &x);	
								}
								break;
							}
							uep = uep->next;
						}

						if (!uep) {
							uwsgi_log("!!! unregistered erlang process requested, dumping it !!!\n");
							dump_eterm(&x);
						}
					}
					
					

/*

					if (em.msgtype) {
						dump_erl_obj(em.msg);
						erl_free_compound(em.msg);
					}
					if (em.to) {
						uwsgi_log("*** TO ***\n");
						dump_erl_obj(em.to);
						erl_free_compound(em.to);
					}

					if (em.from) {
						uwsgi_log("*** FROM ***\n");
						dump_erl_obj(em.from);
						erl_free_compound(em.from);
					}
*/

				}
				else {
					break;
				}
			}

			close(fd);

		}
	}
}
예제 #6
0
파일: eiaccnode.c 프로젝트: 0x00evil/otp
static DWORD WINAPI
#else
static void*
#endif
    einode_thread(void* num)
{
    int n = (int)num;
    ei_cnode ec;
    char myname[100], destname[100];
    int r, fd, listen;
    ErlConnect conn;
    erlang_msg msg;
/*    FILE* f;*/

    sprintf(myname, "eiacc%d", n);
    printf("thread %d (%s) listening\n", n, myname, destname);
    r = ei_connect_init(&ec, myname, cookie, 0);
    if ((listen = my_listen(port+n)) <= 0) {
	printf("listen err\n");
	exit(7);
    }
    if (ei_publish(&ec, port + n) == -1) {
	printf("ei_publish port %d\n", port+n);
	exit(8);
    }
    fd = ei_accept(&ec, listen, &conn);
    printf("ei_accept %d\n", fd);
    if (fd >= 0) {
	ei_x_buff x, xs;
	int index, version;
	erlang_pid pid;

	ei_x_new(&x);
	for (;;) {
	    int got = ei_xreceive_msg(fd, &msg, &x);
	    if (got == ERL_TICK)
		continue;
	    if (got == ERL_ERROR) {
		printf("receive error %d\n", n);
		return 0;
	    }
	    printf("received %d\n", got);
	    break;
	}
	index = 0;
	if (ei_decode_version(x.buff, &index, &version) != 0) {
	    printf("ei_decode_version %d\n", n);
	    return 0;
	}
	if (ei_decode_pid(x.buff, &index, &pid) != 0) {
	    printf("ei_decode_pid %d\n", n);
	    return 0;
	}
/*	fprintf(f, "got pid from %s \n", pid.node);*/
	ei_x_new_with_version(&xs);
	ei_x_encode_tuple_header(&xs, 2);
	ei_x_encode_long(&xs, n);
	ei_x_encode_pid(&xs, &pid);
	r = ei_send(fd, &pid, xs.buff, xs.index);
/*	fprintf(f, "sent %d bytes %d\n", xs.index, r);*/
	shutdown(fd, SD_SEND);
	closesocket(fd);
	ei_x_free(&x);
	ei_x_free(&xs);
    } else {
	printf("coudn't connect fd %d r %d\n", fd, r);
    }
    printf("done thread %d\n", n);
/*    fclose(f);*/
    return 0;
}