Class: BasicSocket

Inherits:
IO
  • Object
show all
Defined in:
mrbgems/mruby-socket/src/socket.c,
mrbgems/mruby-socket/mrblib/socket.rb

Direct Known Subclasses

IPSocket, Socket, UNIXSocket

Constant Summary collapse

@@do_not_reverse_lookup =
true

Constants inherited from IO

IO::BUF_SIZE, IO::SEEK_CUR, IO::SEEK_END, IO::SEEK_SET

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from IO

#<<, #_check_readable, #_read_buf, #close_on_exec=, #close_on_exec?, #close_write, #closed?, #each, #each_byte, #eof?, #fileno, #flush, #getc, #gets, #hash, #initialize_copy, #isatty, open, #pid, pipe, popen, #pos, #pos=, #print, #printf, #puts, read, #read, #readchar, #readline, #readlines, #rewind, #seek, #sync, #sync=, #ungetc, #write

Constructor Details

#initialize(*args) ⇒ BasicSocket

Returns a new instance of BasicSocket


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# File 'mrbgems/mruby-socket/mrblib/socket.rb', line 179

def initialize(*args)
  super(*args)
  self._is_socket = true
  @do_not_reverse_lookup = @@do_not_reverse_lookup
end

Instance Attribute Details

#do_not_reverse_lookupObject

Returns the value of attribute do_not_reverse_lookup


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# File 'mrbgems/mruby-socket/mrblib/socket.rb', line 208

def do_not_reverse_lookup
  @do_not_reverse_lookup
end

Class Method Details

.do_not_reverse_lookupObject


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# File 'mrbgems/mruby-socket/mrblib/socket.rb', line 171

def self.do_not_reverse_lookup
  @@do_not_reverse_lookup
end

.do_not_reverse_lookup=(val) ⇒ Object


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# File 'mrbgems/mruby-socket/mrblib/socket.rb', line 175

def self.do_not_reverse_lookup=(val)
  @@do_not_reverse_lookup = val ? true : false
end

.for_fd(fd) ⇒ Object


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# File 'mrbgems/mruby-socket/mrblib/socket.rb', line 185

def self.for_fd(fd)
  super(fd, "r+")
end

Instance Method Details

#_is_socket=Object


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# File 'mrbgems/mruby-socket/src/socket.c', line 499

static mrb_value
mrb_basicsocket_set_is_socket(mrb_state *mrb, mrb_value self)
{
  mrb_bool b;
  struct mrb_io *io_p;
  mrb_get_args(mrb, "b", &b);

  io_p = (struct mrb_io*)DATA_PTR(self);
  if (io_p) {
    io_p->is_socket = b;
  }

  return mrb_bool_value(b);
}

#_recvfromObject


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# File 'mrbgems/mruby-socket/src/socket.c', line 372

static mrb_value
mrb_basicsocket_recvfrom(mrb_state *mrb, mrb_value self)
{
  ssize_t n;
  mrb_int maxlen, flags = 0;
  mrb_value ary, buf, sa;
  socklen_t socklen;

  mrb_get_args(mrb, "i|i", &maxlen, &flags);
  buf = mrb_str_buf_new(mrb, maxlen);
  socklen = sizeof(struct sockaddr_storage);
  sa = mrb_str_buf_new(mrb, socklen);
  n = recvfrom(socket_fd(mrb, self), RSTRING_PTR(buf), (fsize_t)maxlen, (int)flags, (struct sockaddr *)RSTRING_PTR(sa), &socklen);
  if (n == -1)
    mrb_sys_fail(mrb, "recvfrom");
  mrb_str_resize(mrb, buf, (mrb_int)n);
  mrb_str_resize(mrb, sa, (mrb_int)socklen);
  ary = mrb_ary_new_capa(mrb, 2);
  mrb_ary_push(mrb, ary, buf);
  mrb_ary_push(mrb, ary, sa);
  return ary;
}

#_setnonblockObject


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# File 'mrbgems/mruby-socket/src/socket.c', line 414

static mrb_value
mrb_basicsocket_setnonblock(mrb_state *mrb, mrb_value self)
{
  int fd, flags;
  mrb_bool nonblocking;
#ifdef _WIN32
  u_long mode = 1;
#endif

  mrb_get_args(mrb, "b", &nonblocking);
  fd = socket_fd(mrb, self);
#ifdef _WIN32
  flags = ioctlsocket(fd, FIONBIO, &mode);
  if (flags != NO_ERROR)
    mrb_sys_fail(mrb, "ioctlsocket");
#else
  flags = fcntl(fd, F_GETFL, 0);
  if (flags == 1)
    mrb_sys_fail(mrb, "fcntl");
  if (nonblocking)
    flags |= O_NONBLOCK;
  else
    flags &= ~O_NONBLOCK;
  if (fcntl(fd, F_SETFL, flags) == -1)
    mrb_sys_fail(mrb, "fcntl");
#endif
  return mrb_nil_value();
}

#closeObject


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# File 'mrbgems/mruby-socket/src/socket.c', line 773

static mrb_value
mrb_win32_basicsocket_close(mrb_state *mrb, mrb_value self)
{
  if (closesocket(socket_fd(mrb, self)) != NO_ERROR)
    mrb_raise(mrb, E_SOCKET_ERROR, "closesocket unsuccessful");
  return mrb_nil_value();
}

#getpeereidObject


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# File 'mrbgems/mruby-socket/src/socket.c', line 287

static mrb_value
mrb_basicsocket_getpeereid(mrb_state *mrb, mrb_value self)
{
#ifdef HAVE_GETPEEREID
  mrb_value ary;
  gid_t egid;
  uid_t euid;
  int s;

  s = socket_fd(mrb, self);
  if (getpeereid(s, &euid, &egid) != 0)
    mrb_sys_fail(mrb, "getpeereid");

  ary = mrb_ary_new_capa(mrb, 2);
  mrb_ary_push(mrb, ary, mrb_fixnum_value((mrb_int)euid));
  mrb_ary_push(mrb, ary, mrb_fixnum_value((mrb_int)egid));
  return ary;
#else
  mrb_raise(mrb, E_RUNTIME_ERROR, "getpeereid is not available on this system");
  return mrb_nil_value();
#endif
}

#getpeernameObject


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# File 'mrbgems/mruby-socket/src/socket.c', line 310

static mrb_value
mrb_basicsocket_getpeername(mrb_state *mrb, mrb_value self)
{
  struct sockaddr_storage ss;
  socklen_t salen;

  salen = sizeof(ss);
  if (getpeername(socket_fd(mrb, self), (struct sockaddr *)&ss, &salen) != 0)
    mrb_sys_fail(mrb, "getpeername");

  return mrb_str_new(mrb, (char*)&ss, salen);
}

#getsocknameObject


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# File 'mrbgems/mruby-socket/src/socket.c', line 323

static mrb_value
mrb_basicsocket_getsockname(mrb_state *mrb, mrb_value self)
{
  struct sockaddr_storage ss;
  socklen_t salen;

  salen = sizeof(ss);
  if (getsockname(socket_fd(mrb, self), (struct sockaddr *)&ss, &salen) != 0)
    mrb_sys_fail(mrb, "getsockname");

  return mrb_str_new(mrb, (char*)&ss, salen);
}

#getsockoptObject


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# File 'mrbgems/mruby-socket/src/socket.c', line 336

static mrb_value
mrb_basicsocket_getsockopt(mrb_state *mrb, mrb_value self)
{
  char opt[8];
  int s;
  mrb_int family, level, optname;
  mrb_value c, data;
  socklen_t optlen;

  mrb_get_args(mrb, "ii", &level, &optname);
  s = socket_fd(mrb, self);
  optlen = sizeof(opt);
  if (getsockopt(s, (int)level, (int)optname, opt, &optlen) == -1)
    mrb_sys_fail(mrb, "getsockopt");
  c = mrb_const_get(mrb, mrb_obj_value(mrb_class_get(mrb, "Socket")), mrb_intern_lit(mrb, "Option"));
  family = socket_family(s);
  data = mrb_str_new(mrb, opt, optlen);
  return mrb_funcall(mrb, c, "new", 4, mrb_fixnum_value(family), mrb_fixnum_value(level), mrb_fixnum_value(optname), data);
}

#local_addressObject

def connect_address


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# File 'mrbgems/mruby-socket/mrblib/socket.rb', line 191

def local_address
  Addrinfo.new self.getsockname
end

#recvObject


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# File 'mrbgems/mruby-socket/src/socket.c', line 356

static mrb_value
mrb_basicsocket_recv(mrb_state *mrb, mrb_value self)
{
  ssize_t n;
  mrb_int maxlen, flags = 0;
  mrb_value buf;

  mrb_get_args(mrb, "i|i", &maxlen, &flags);
  buf = mrb_str_buf_new(mrb, maxlen);
  n = recv(socket_fd(mrb, self), RSTRING_PTR(buf), (fsize_t)maxlen, (int)flags);
  if (n == -1)
    mrb_sys_fail(mrb, "recv");
  mrb_str_resize(mrb, buf, (mrb_int)n);
  return buf;
}

#recv_nonblock(maxlen, flags = 0) ⇒ Object


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# File 'mrbgems/mruby-socket/mrblib/socket.rb', line 195

def recv_nonblock(maxlen, flags=0)
  begin
    _setnonblock(true)
    recv(maxlen, flags)
  ensure
    _setnonblock(false)
  end
end

#remote_addressObject


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# File 'mrbgems/mruby-socket/mrblib/socket.rb', line 204

def remote_address
  Addrinfo.new self.getpeername
end

#sendObject

recvmsg(maxlen, flags=0)


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# File 'mrbgems/mruby-socket/src/socket.c', line 395

static mrb_value
mrb_basicsocket_send(mrb_state *mrb, mrb_value self)
{
  ssize_t n;
  mrb_int flags;
  mrb_value dest, mesg;

  dest = mrb_nil_value();
  mrb_get_args(mrb, "Si|S", &mesg, &flags, &dest);
  if (mrb_nil_p(dest)) {
    n = send(socket_fd(mrb, self), RSTRING_PTR(mesg), (fsize_t)RSTRING_LEN(mesg), (int)flags);
  } else {
    n = sendto(socket_fd(mrb, self), RSTRING_PTR(mesg), (fsize_t)RSTRING_LEN(mesg), (int)flags, (const struct sockaddr*)RSTRING_PTR(dest), (fsize_t)RSTRING_LEN(dest));
  }
  if (n == -1)
    mrb_sys_fail(mrb, "send");
  return mrb_fixnum_value((mrb_int)n);
}

#setsockoptObject

sendmsg_nonblock


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# File 'mrbgems/mruby-socket/src/socket.c', line 443

static mrb_value
mrb_basicsocket_setsockopt(mrb_state *mrb, mrb_value self)
{
  int s;
  mrb_int argc, level = 0, optname;
  mrb_value optval, so;

  argc = mrb_get_args(mrb, "o|io", &so, &optname, &optval);
  if (argc == 3) {
    if (!mrb_fixnum_p(so)) {
      mrb_raise(mrb, E_ARGUMENT_ERROR, "level is not an integer");
    }
    level = mrb_fixnum(so);
    if (mrb_string_p(optval)) {
      /* that's good */
    } else if (mrb_true_p(optval) || mrb_false_p(optval)) {
      mrb_int i = mrb_test(optval) ? 1 : 0;
      optval = mrb_str_new(mrb, (char*)&i, sizeof(i));
    } else if (mrb_fixnum_p(optval)) {
      if (optname == IP_MULTICAST_TTL || optname == IP_MULTICAST_LOOP) {
        char uc = (char)mrb_fixnum(optval);
        optval = mrb_str_new(mrb, &uc, sizeof(uc));
      } else {
        mrb_int i = mrb_fixnum(optval);
        optval = mrb_str_new(mrb, (char*)&i, sizeof(i));
      }
    } else {
      mrb_raise(mrb, E_ARGUMENT_ERROR, "optval should be true, false, an integer, or a string");
    }
  } else if (argc == 1) {
    if (strcmp(mrb_obj_classname(mrb, so), "Socket::Option") != 0)
      mrb_raise(mrb, E_ARGUMENT_ERROR, "not an instance of Socket::Option");
    level = mrb_fixnum(mrb_funcall(mrb, so, "level", 0));
    optname = mrb_fixnum(mrb_funcall(mrb, so, "optname", 0));
    optval = mrb_funcall(mrb, so, "data", 0);
  } else {
    mrb_raisef(mrb, E_ARGUMENT_ERROR, "wrong number of arguments (%i for 3)", argc);
  }

  s = socket_fd(mrb, self);
  if (setsockopt(s, (int)level, (int)optname, RSTRING_PTR(optval), (socklen_t)RSTRING_LEN(optval)) == -1)
    mrb_sys_fail(mrb, "setsockopt");
  return mrb_fixnum_value(0);
}

#shutdownObject


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# File 'mrbgems/mruby-socket/src/socket.c', line 488

static mrb_value
mrb_basicsocket_shutdown(mrb_state *mrb, mrb_value self)
{
  mrb_int how = SHUT_RDWR;

  mrb_get_args(mrb, "|i", &how);
  if (shutdown(socket_fd(mrb, self), (int)how) != 0)
    mrb_sys_fail(mrb, "shutdown");
  return mrb_fixnum_value(0);
}

#sysreadObject


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# File 'mrbgems/mruby-socket/src/socket.c', line 782

static mrb_value
mrb_win32_basicsocket_sysread(mrb_state *mrb, mrb_value self)
{
  int sd, ret;
  mrb_value buf = mrb_nil_value();
  mrb_int maxlen;

  mrb_get_args(mrb, "i|S", &maxlen, &buf);
  if (maxlen < 0) {
    return mrb_nil_value();
  }

  if (mrb_nil_p(buf)) {
    buf = mrb_str_new(mrb, NULL, maxlen);
  }
  if (RSTRING_LEN(buf) != maxlen) {
    buf = mrb_str_resize(mrb, buf, maxlen);
  }

  sd = socket_fd(mrb, self);
  ret = recv(sd, RSTRING_PTR(buf), (int)maxlen, 0);

  switch (ret) {
    case 0: /* EOF */
      if (maxlen == 0) {
        buf = mrb_str_new_cstr(mrb, "");
      } else {
        mrb_raise(mrb, E_EOF_ERROR, "sysread failed: End of File");
      }
      break;
    case SOCKET_ERROR: /* Error */
      mrb_sys_fail(mrb, "recv");
      break;
    default:
      if (RSTRING_LEN(buf) != ret) {
        buf = mrb_str_resize(mrb, buf, ret);
      }
      break;
  }

  return buf;
}

#sysseekObject


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# File 'mrbgems/mruby-socket/src/socket.c', line 825

static mrb_value
mrb_win32_basicsocket_sysseek(mrb_state *mrb, mrb_value self)
{
  mrb_raise(mrb, E_NOTIMP_ERROR, "sysseek not implemented for windows sockets");
  return mrb_nil_value();
}

#syswriteObject


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# File 'mrbgems/mruby-socket/src/socket.c', line 832

static mrb_value
mrb_win32_basicsocket_syswrite(mrb_state *mrb, mrb_value self)
{
  int n;
  SOCKET sd;
  mrb_value str;

  sd = socket_fd(mrb, self);
  mrb_get_args(mrb, "S", &str);
  n = send(sd, RSTRING_PTR(str), (int)RSTRING_LEN(str), 0);
  if (n == SOCKET_ERROR)
    mrb_sys_fail(mrb, "send");
  return mrb_fixnum_value(n);
}