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Update uv Udp wrapper for latest features

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This commit is contained in:
Peter Johnson
2019-07-13 18:30:00 -07:00
parent 89f7b72b6e
commit 10731f3d6b
2 changed files with 123 additions and 1 deletions
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79
wpiutil/src/main/native/include/wpi/uv/Udp.h
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@@ -115,6 +115,49 @@ class Udp final : public HandleImpl<Udp, uv_udp_t> {
*/
void Bind6(const Twine& ip, unsigned int port, unsigned int flags = 0);
/**
* Associate the handle to a remote address and port, so every message sent
* by this handle is automatically sent to that destination.
*
* @param addr Initialized `sockaddr_in` or `sockaddr_in6` data structure.
*/
void Connect(const sockaddr& addr) {
Invoke(&uv_udp_connect, GetRaw(), &addr);
}
void Connect(const sockaddr_in& addr) {
Connect(reinterpret_cast<const sockaddr&>(addr));
}
void Connect(const sockaddr_in6& addr) {
Connect(reinterpret_cast<const sockaddr&>(addr));
}
/**
* Associate the handle to an IPv4 address and port, so every message sent
* by this handle is automatically sent to that destination.
*
* @param ip The address to which to bind.
* @param port The port to which to bind.
*/
void Connect(const Twine& ip, unsigned int port);
/**
* Associate the handle to an IPv6 address and port, so every message sent
* by this handle is automatically sent to that destination.
*
* @param ip The address to which to bind.
* @param port The port to which to bind.
* @param flags Optional additional flags.
*/
void Connect6(const Twine& ip, unsigned int port);
/**
* Get the remote IP and port on connected UDP handles.
* @return The address (will be zeroed if an error occurred).
*/
sockaddr_storage GetPeer();
/**
* Get the current address to which the handle is bound.
* @return The address (will be zeroed if an error occurred).
@@ -204,6 +247,15 @@ class Udp final : public HandleImpl<Udp, uv_udp_t> {
Send(reinterpret_cast<const sockaddr&>(addr), bufs, req);
}
/**
* Variant of Send() for connected sockets. Cannot be used with
* connectionless sockets.
*
* @param bufs The buffers to be written to the stream.
* @param req write request
*/
void Send(ArrayRef<Buffer> bufs, const std::shared_ptr<UdpSendReq>& req);
/**
* Send data over the UDP socket. If the socket has not previously been bound
* with Bind() it will be bound to 0.0.0.0 (the "all interfaces" IPv4 address)
@@ -234,6 +286,16 @@ class Udp final : public HandleImpl<Udp, uv_udp_t> {
Send(reinterpret_cast<const sockaddr&>(addr), bufs, callback);
}
/**
* Variant of Send() for connected sockets. Cannot be used with
* connectionless sockets.
*
* @param bufs The buffers to be written to the stream.
* @param callback Callback function to call when the data has been sent.
*/
void Send(ArrayRef<Buffer> bufs,
std::function<void(MutableArrayRef<Buffer>, Error)> callback);
/**
* Same as Send(), but won't queue a send request if it can't be completed
* immediately.
@@ -261,6 +323,23 @@ class Udp final : public HandleImpl<Udp, uv_udp_t> {
return TrySend(reinterpret_cast<const sockaddr&>(addr), bufs);
}
/**
* Variant of TrySend() for connected sockets. Cannot be used with
* connectionless sockets.
*
* @param bufs The buffers to be written to the stream.
* @return Number of bytes sent.
*/
int TrySend(ArrayRef<Buffer> bufs) {
int val = uv_udp_try_send(GetRaw(), bufs.data(),
static_cast<unsigned>(bufs.size()), nullptr);
if (val < 0) {
this->ReportError(val);
return 0;
}
return val;
}
/**
* Prepare for receiving data. If the socket has not previously been bound
* with Bind() it is bound to 0.0.0.0 (the "all interfaces" IPv4 address) and