Class: Libuv::UDP
Constant Summary
collapse
- SEND_DATA_ERROR =
"data must be a String".freeze
- TTL_ARGUMENT_ERROR =
"ttl must be an Integer".freeze
- MULTICAST_ARGUMENT_ERROR =
"multicast_address must be a String".freeze
- INTERFACE_ARGUMENT_ERROR =
"interface_address must be a String".freeze
- HANDLE_CLOSED_ERROR =
"unable to send as handle closed".freeze
Constants included
from Net
Net::INET6_ADDRSTRLEN, Net::INET_ADDRSTRLEN, Net::IP_ARGUMENT_ERROR, Net::PORT_ARGUMENT_ERROR
Constants included
from Assertions
Assertions::MSG_NO_PROC
Constants inherited
from Q::Promise
Q::Promise::MAKE_PROMISE
Instance Attribute Summary
Attributes inherited from Handle
#closed, #loop, #storage
Instance Method Summary
collapse
-
#bind(ip, port) ⇒ Object
-
#disable_broadcast ⇒ Object
-
#disable_multicast_loop ⇒ Object
-
#enable_broadcast ⇒ Object
-
#enable_multicast_loop ⇒ Object
-
#initialize(loop) ⇒ UDP
constructor
-
#join(multicast_address, interface_address) ⇒ Object
-
#leave(multicast_address, interface_address) ⇒ Object
-
#multicast_ttl=(ttl) ⇒ Object
-
#open(fd, binding = true, callback = nil, &blk) ⇒ Object
-
#progress(callback = nil, &blk) ⇒ Object
-
#send(ip, port, data) ⇒ Object
-
#sockname ⇒ Object
-
#start_read ⇒ Object
Starts reading from the handle Renamed to match Stream.
-
#stop_read ⇒ Object
Stops reading from the handle Renamed to match Stream.
-
#try_send(ip, port, data) ⇒ Object
-
#ttl=(ttl) ⇒ Object
Methods inherited from Handle
#active?, #close, #closing?, #ref, #unref
Methods included from Assertions
#assert_block, #assert_boolean, #assert_type
Methods included from Resource
#check_result, #check_result!, #resolve, #to_ptr
#resolved?, #then
Methods inherited from Q::Promise
#catch, #finally
Constructor Details
#initialize(loop) ⇒ UDP
Returns a new instance of UDP.
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# File 'lib/libuv/udp.rb', line 18
def initialize(loop)
@loop = loop
udp_ptr = ::Libuv::Ext.allocate_handle_udp
error = check_result(::Libuv::Ext.udp_init(loop.handle, udp_ptr))
@request_refs = {}
super(udp_ptr, error)
end
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Instance Method Details
#bind(ip, port) ⇒ Object
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# File 'lib/libuv/udp.rb', line 28
def bind(ip, port)
return if @closed
assert_type(String, ip, IP_ARGUMENT_ERROR)
assert_type(Integer, port, PORT_ARGUMENT_ERROR)
sockaddr = create_sockaddr(ip, port)
error = check_result ::Libuv::Ext.udp_bind(handle, sockaddr, 0)
reject(error) if error
end
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#disable_broadcast ⇒ Object
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# File 'lib/libuv/udp.rb', line 176
def disable_broadcast
return if @closed
error = check_result ::Libuv::Ext.udp_set_broadcast(handle, 0)
reject(error) if error
end
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#disable_multicast_loop ⇒ Object
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# File 'lib/libuv/udp.rb', line 157
def disable_multicast_loop
return if @closed
error = check_result ::Libuv::Ext.udp_set_multicast_loop(handle, 0)
reject(error) if error
end
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#enable_broadcast ⇒ Object
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# File 'lib/libuv/udp.rb', line 170
def enable_broadcast
return if @closed
error = check_result ::Libuv::Ext.udp_set_broadcast(handle, 1)
reject(error) if error
end
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#enable_multicast_loop ⇒ Object
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# File 'lib/libuv/udp.rb', line 151
def enable_multicast_loop
return if @closed
error = check_result ::Libuv::Ext.udp_set_multicast_loop(handle, 1)
reject(error) if error
end
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#join(multicast_address, interface_address) ⇒ Object
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# File 'lib/libuv/udp.rb', line 51
def join(multicast_address, interface_address)
return if @closed
assert_type(String, multicast_address, MULTICAST_ARGUMENT_ERROR)
assert_type(String, interface_address, INTERFACE_ARGUMENT_ERROR)
error = check_result ::Libuv::Ext.udp_set_membership(handle, multicast_address, interface_address, :uv_join_group)
reject(error) if error
end
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#leave(multicast_address, interface_address) ⇒ Object
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# File 'lib/libuv/udp.rb', line 60
def leave(multicast_address, interface_address)
return if @closed
assert_type(String, multicast_address, MULTICAST_ARGUMENT_ERROR)
assert_type(String, interface_address, INTERFACE_ARGUMENT_ERROR)
error = check_result ::Libuv::Ext.udp_set_membership(handle, multicast_address, interface_address, :uv_leave_group)
reject(error) if error
end
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#multicast_ttl=(ttl) ⇒ Object
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# File 'lib/libuv/udp.rb', line 163
def multicast_ttl=(ttl)
return if @closed
assert_type(Integer, ttl, TTL_ARGUMENT_ERROR)
error = check_result ::Libuv::Ext.udp_set_multicast_ttl(handle, ttl)
reject(error) if error
end
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#open(fd, binding = true, callback = nil, &blk) ⇒ Object
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# File 'lib/libuv/udp.rb', line 38
def open(fd, binding = true, callback = nil, &blk)
return if @closed
error = check_result UV.udp_open(handle, fd)
reject(error) if error
end
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#progress(callback = nil, &blk) ⇒ Object
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# File 'lib/libuv/udp.rb', line 189
def progress(callback = nil, &blk)
@progress = callback || blk
end
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#send(ip, port, data) ⇒ Object
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# File 'lib/libuv/udp.rb', line 108
def send(ip, port, data)
deferred = @loop.defer
if !@closed
begin
assert_type(String, ip, IP_ARGUMENT_ERROR)
assert_type(Integer, port, PORT_ARGUMENT_ERROR)
assert_type(String, data, SEND_DATA_ERROR)
sockaddr = create_sockaddr(ip, port)
req = send_req
buffer1 = ::FFI::MemoryPointer.from_string(data)
buffer = ::Libuv::Ext.buf_init(buffer1, data.respond_to?(:bytesize) ? data.bytesize : data.size)
@request_refs[req.address] = [deferred, buffer1]
error = check_result ::Libuv::Ext.udp_send(
req,
handle,
buffer,
1,
sockaddr,
callback(:send_complete, req.address)
)
if error
@request_refs.delete req.address
cleanup_callbacks req.address
::Libuv::Ext.free(req)
buffer1.free
deferred.reject(error)
reject(error) end
rescue StandardError => e
deferred.reject(e)
end
else
deferred.reject(RuntimeError.new(HANDLE_CLOSED_ERROR))
end
deferred.promise
end
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# File 'lib/libuv/udp.rb', line 44
def sockname
return [] if @closed
sockaddr, len = get_sockaddr_and_len
check_result! ::Libuv::Ext.udp_getsockname(handle, sockaddr, len)
get_ip_and_port(::Libuv::Ext::Sockaddr.new(sockaddr), len.get_int(0))
end
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#start_read ⇒ Object
Starts reading from the handle Renamed to match Stream
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# File 'lib/libuv/udp.rb', line 71
def start_read
return if @closed
error = check_result ::Libuv::Ext.udp_recv_start(handle, callback(:on_allocate), callback(:on_recv))
reject(error) if error
end
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#stop_read ⇒ Object
Stops reading from the handle Renamed to match Stream
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# File 'lib/libuv/udp.rb', line 79
def stop_read
return if @closed
error = check_result ::Libuv::Ext.udp_recv_stop(handle)
reject(error) if error
end
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#try_send(ip, port, data) ⇒ Object
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# File 'lib/libuv/udp.rb', line 85
def try_send(ip, port, data)
assert_type(String, ip, IP_ARGUMENT_ERROR)
assert_type(Integer, port, PORT_ARGUMENT_ERROR)
assert_type(String, data, SEND_DATA_ERROR)
sockaddr = create_sockaddr(ip, port)
buffer1 = ::FFI::MemoryPointer.from_string(data)
buffer = ::Libuv::Ext.buf_init(buffer1, data.respond_to?(:bytesize) ? data.bytesize : data.size)
result = ::Libuv::Ext.udp_try_send(
handle,
buffer,
1,
sockaddr
)
buffer1.free
error = check_result result
raise error if error
return result
end
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#ttl=(ttl) ⇒ Object
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# File 'lib/libuv/udp.rb', line 182
def ttl=(ttl)
return if @closed
assert_type(Integer, ttl, TTL_ARGUMENT_ERROR)
error = check_result ::Libuv::Ext.udp_set_ttl(handle, Integer(ttl))
reject(error) if error
end
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