Beispiel #1
0
int ei_x_encode_trace(ei_x_buff* x, const erlang_trace* trace)
{
    int i = x->index;
    ei_encode_trace(NULL, &i, trace);
    if (!x_fix_buff(x, i))
	return -1;
    return ei_encode_trace(x->buff, &x->index, trace);
}
Beispiel #2
0
/* length (4), PASS_THROUGH (1), header, message */
int ei_ei_send_reg_encoded(ei_cnode* ec, int fd, const erlang_pid *from,
			   const char *to, const char *msg, int msglen)
{
  char *s, header[1400]; /* see size calculation below */
  erlang_trace *token = NULL;
  int index = 5; /* reserve 5 bytes for control message */
#ifdef HAVE_WRITEV
  struct iovec v[2];
#endif

  /* are we tracing? */
  /* check that he can receive trace tokens first */
  if (ei_distversion(fd) > 0)
    token = ei_trace(0,(erlang_trace *)NULL);

  /* header = REG_SEND, from, cookie, toname         max sizes: */
  ei_encode_version(header,&index);                     /*   1 */
  if (token) { 
    ei_encode_tuple_header(header,&index,5);            /*   2 */
    ei_encode_long(header,&index,ERL_REG_SEND_TT);      /*   2 */
  } else {
    ei_encode_tuple_header(header,&index,4);    
    ei_encode_long(header,&index,ERL_REG_SEND); 
  }
  ei_encode_pid(header,&index,from);                    /* 268 */
  ei_encode_atom(header,&index,"" /*ei_getfdcookie(ec, fd)*/ );       /* 258 */
  ei_encode_atom(header,&index,to);                     /* 268 */

  if (token) ei_encode_trace(header,&index,token);      /* 534 */

  /* control message (precedes header actually) */
  /* length = 1 ('p') + header len + message len */
  s = header;
  put32be(s, index + msglen - 4);                       /*   4 */
  put8(s, ERL_PASS_THROUGH);                                /*   1 */
                                                /*** sum: 1336 */
  
#ifdef DEBUG_DIST
  if (ei_trace_distribution > 0) ei_show_sendmsg(stderr,header,msg);
#endif
  
#ifdef HAVE_WRITEV

  v[0].iov_base = (char *)header;
  v[0].iov_len = index;
  v[1].iov_base = (char *)msg;
  v[1].iov_len = msglen;

  if (writev(fd,v,2) != index+msglen) return -1;
  
#else
  
  /* no writev() */
  if (writesocket(fd,header,index) != index) return -1;
  if (writesocket(fd,msg,msglen) != msglen) return -1;

#endif

  return 0;
}
Beispiel #3
0
int ei_send_exit_tmo(int fd, const erlang_pid *from, const erlang_pid *to,
		     const char *reason, unsigned ms)
{
  char sbuf[EISMALLBUF];
  erlang_trace *token = NULL;
  char *dbuf = NULL;
  char *msgbuf;
  char *s;
  int index = 0;
  int len = strlen(reason) + 1080; /* see below */

  if (len > EISMALLBUF)
    if (!(dbuf = malloc(len)))
      return -1;
  msgbuf = (dbuf ? dbuf : sbuf);


  /* are we tracing? */
  /* check that he can receive trace tokens first */
  if (ei_distversion(fd) > 0) token = ei_trace(0,NULL);

  index = 5;                                     /* max sizes: */
  ei_encode_version(msgbuf,&index);                     /*   1 */
  if (token) {
    ei_encode_tuple_header(msgbuf,&index,5);            /*   2 */
    ei_encode_long(msgbuf,&index,ERL_EXIT_TT);          /*   2 */
  }
  else {
    ei_encode_tuple_header(msgbuf,&index,4);
    ei_encode_long(msgbuf,&index,ERL_EXIT);
  }
  ei_encode_pid(msgbuf,&index,from);                    /* 268 */
  ei_encode_pid(msgbuf,&index,to);                      /* 268 */

  if (token) ei_encode_trace(msgbuf,&index,token);      /* 534 */

  /* Reason */
  ei_encode_string(msgbuf,&index,reason);               /* len */

  /* 5 byte header missing */
  s = msgbuf;
  put32be(s, index - 4);                                /*   4 */
  put8(s, ERL_PASS_THROUGH);                                /*   1 */
                                          /*** sum: len + 1080 */
  /* FIXME incorrect level */
  if (ei_tracelevel > 1)
      ei_show_sendmsg(stderr,msgbuf,NULL);

  ei_write_fill_t(fd,msgbuf,index,ms); 
  /* FIXME ignore timeout etc? erl_errno?! */

  if (dbuf) free(dbuf);
  return 0;
}
Beispiel #4
0
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;
}
Beispiel #5
0
int ei_send_encoded_tmo(int fd, const erlang_pid *to, 
			char *msg, int msglen, unsigned ms) 
{
    char *s, header[1200]; /* see size calculation below */
    erlang_trace *token = NULL;
    int index = 5; /* reserve 5 bytes for control message */
    int res;
#ifdef HAVE_WRITEV
    struct iovec v[2];
#endif

    /* are we tracing? */
    /* check that he can receive trace tokens first */
    if (ei_distversion(fd) > 0) token = ei_trace(0,NULL);
    
    /* header = SEND, cookie, to                      max sizes: */
    ei_encode_version(header,&index);		      /*   1 */
    if (token) {
	ei_encode_tuple_header(header,&index,4);      /*   2 */
	ei_encode_long(header,&index,ERL_SEND_TT);    /*   2 */
    } else {
	ei_encode_tuple_header(header,&index,3);
	ei_encode_long(header,&index,ERL_SEND); 
    }
    ei_encode_atom(header,&index,ei_getfdcookie(fd)); /* 258 */
    ei_encode_pid(header,&index,to);		      /* 268 */
    
    if (token) ei_encode_trace(header,&index,token);  /* 534 */
    
    /* control message (precedes header actually) */
    /* length = 1 ('p') + header len + message len */
    s = header;
    put32be(s, index + msglen - 4);		      /*   4 */
    put8(s, ERL_PASS_THROUGH);			      /*   1 */
				/*** sum: 1070 */

    if (ei_tracelevel >= 4)
	ei_show_sendmsg(stderr,header,msg);

#ifdef HAVE_WRITEV
    
    v[0].iov_base = (char *)header;
    v[0].iov_len = index;
    v[1].iov_base = (char *)msg;
    v[1].iov_len = msglen;
    
    if ((res = ei_writev_fill_t(fd,v,2,ms)) != index+msglen) {
	erl_errno = (res == -2) ? ETIMEDOUT : EIO;
	return -1;
    }
  
#else  /* !HAVE_WRITEV */
  
    if ((res = ei_write_fill_t(fd,header,index,ms)) != index) { 
	erl_errno = (res == -2) ? ETIMEDOUT : EIO;
	return -1;
    }
    if ((res = ei_write_fill_t(fd,msg,msglen,ms)) != msglen) { 
	erl_errno = (res == -2) ? ETIMEDOUT : EIO;
	return -1;
    }

#endif  /* !HAVE_WRITEV */

    return 0;
}
Beispiel #6
0
int ei_send_reg_encoded_tmo(int fd, const erlang_pid *from,
			    const char *to, char *msg, int msglen,
			    unsigned ms)
{
    char *s, header[1400]; /* see size calculation below */
    erlang_trace *token = NULL;
    int index = 5; /* reserve 5 bytes for control message */
    int err;
    ei_socket_callbacks *cbs;
    void *ctx;
    ssize_t len, tot_len;
    unsigned tmo = ms == 0 ? EI_SCLBK_INF_TMO : ms;

    err = EI_GET_CBS_CTX__(&cbs, &ctx, fd);
    if (err) {
        EI_CONN_SAVE_ERRNO__(err);
        return ERL_ERROR;
    }
    
    /* are we tracing? */
    /* check that he can receive trace tokens first */
    if (ei_distversion(fd) > 0)
	token = ei_trace(0,NULL);
    
    /* header = REG_SEND, from, cookie, toname         max sizes: */
    ei_encode_version(header,&index);                     /*   1 */
    if (token) { 
	ei_encode_tuple_header(header,&index,5);            /*   2 */
	ei_encode_long(header,&index,ERL_REG_SEND_TT);      /*   2 */
    } else {
	ei_encode_tuple_header(header,&index,4);    
	ei_encode_long(header,&index,ERL_REG_SEND); 
    }
    ei_encode_pid(header, &index, from);                    /* 268 */
    ei_encode_atom(header, &index, ei_getfdcookie(fd));       /* 258 */
    ei_encode_atom(header, &index, to);                     /* 268 */

    if (token) ei_encode_trace(header,&index,token);      /* 534 */

    /* control message (precedes header actually) */
    /* length = 1 ('p') + header len + message len */
    s = header;
    put32be(s, index + msglen - 4);                       /*   4 */
    put8(s, ERL_PASS_THROUGH);                                /*   1 */
                                                /*** sum: 1336 */
    if (ei_tracelevel >= 4) 
	ei_show_sendmsg(stderr,header,msg);

#ifdef EI_HAVE_STRUCT_IOVEC__
    if (ei_socket_callbacks_have_writev__(cbs)) {
        struct iovec v[2];

        v[0].iov_base = (char *)header;
        v[0].iov_len = index;
        v[1].iov_base = (char *)msg;
        v[1].iov_len = msglen;
    
        len = tot_len = (ssize_t) index+msglen;
        err = ei_writev_fill_ctx_t__(cbs, ctx, v, 2, &len, tmo);
        if (!err && len != tot_len)
            err = EIO;
        if (err) {
            EI_CONN_SAVE_ERRNO__(err);
            return -1;
        }
        return 0;
    }
#endif /* EI_HAVE_STRUCT_IOVEC__ */

    /* no writev() */
    len = tot_len = (ssize_t) index;
    err = ei_write_fill_ctx_t__(cbs, ctx, header, &len, tmo);
    if (!err && len != tot_len)
        err = EIO;
    if (err) {
        EI_CONN_SAVE_ERRNO__(err);
        return -1;
    }

    len = tot_len = (ssize_t) msglen;
    err = ei_write_fill_ctx_t__(cbs, ctx, msg, &len, tmo);
    if (!err && len != tot_len)
        err = EIO;
    if (err) {
        EI_CONN_SAVE_ERRNO__(err);
        return -1;
    }
    
    return 0;
}