send(p1, p2, p3 = v3)
public
send mesg via
basicsocket.
mesg should be a string.
flags should be a bitwise OR of Socket::MSG_* constants.
dest_sockaddr should be a packed sockaddr string or an addrinfo.
TCPSocket.open("localhost", 80) {|s|
s.send "GET / HTTP/1.0\r\n\r\n", 0
p s.read
}
VALUE
rsock_bsock_send(int argc, VALUE *argv, VALUE sock)
{
struct rsock_send_arg arg;
VALUE flags, to;
rb_io_t *fptr;
int n;
rb_blocking_function_t *func;
rb_secure(4);
rb_scan_args(argc, argv, "21", &arg.mesg, &flags, &to);
StringValue(arg.mesg);
if (!NIL_P(to)) {
SockAddrStringValue(to);
to = rb_str_new4(to);
arg.to = (struct sockaddr *)RSTRING_PTR(to);
arg.tolen = (socklen_t)RSTRING_LENINT(to);
func = rsock_sendto_blocking;
}
else {
func = rsock_send_blocking;
}
GetOpenFile(sock, fptr);
arg.fd = fptr->fd;
arg.flags = NUM2INT(flags);
while (rb_thread_fd_writable(arg.fd),
(n = (int)BLOCKING_REGION_FD(func, &arg)) < 0) {
if (rb_io_wait_writable(arg.fd)) {
continue;
}
rb_sys_fail("send(2)");
}
return INT2FIX(n);
}