wpiutil: Add C++ libuv wrappers (#1166)

- Provide an EventLoopRunner to run uv::Loop on a separate thread. - Add raw_ostream wrapper for uv::Buffer.
2026-06-20 00:51:42 +00:00 · 2018-07-17 01:06:24 -07:00
parent 340b26bada
commit e2314f3528
55 changed files with 5647 additions and 0 deletions
--- a/wpiutil/src/main/native/cpp/uv/GetNameInfo.cpp
+++ b/wpiutil/src/main/native/cpp/uv/GetNameInfo.cpp
@@ -0,0 +1,90 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2018 FIRST. All Rights Reserved.                             */
+/* Open Source Software - may be modified and shared by FRC teams. The code   */
+/* must be accompanied by the FIRST BSD license file in the root directory of */
+/* the project.                                                               */
+/*----------------------------------------------------------------------------*/
+
+#include "wpi/uv/GetNameInfo.h"
+
+#include "wpi/uv/Loop.h"
+#include "wpi/uv/util.h"
+
+namespace wpi {
+namespace uv {
+
+GetNameInfoReq::GetNameInfoReq() {
+  error = [this](Error err) { GetLoop().error(err); };
+}
+
+void GetNameInfo(Loop& loop, const std::shared_ptr<GetNameInfoReq>& req,
+                 const sockaddr& addr, int flags) {
+  int err = uv_getnameinfo(loop.GetRaw(), req->GetRaw(),
+                           [](uv_getnameinfo_t* req, int status,
+                              const char* hostname, const char* service) {
+                             auto& h = *static_cast<GetNameInfoReq*>(req->data);
+                             if (status < 0)
+                               h.ReportError(status);
+                             else
+                               h.resolved(hostname, service);
+                             h.Release();  // this is always a one-shot
+                           },
+                           &addr, flags);
+  if (err < 0)
+    loop.ReportError(err);
+  else
+    req->Keep();
+}
+
+void GetNameInfo(Loop& loop,
+                 std::function<void(const char*, const char*)> callback,
+                 const sockaddr& addr, int flags) {
+  auto req = std::make_shared<GetNameInfoReq>();
+  req->resolved.connect(callback);
+  GetNameInfo(loop, req, addr, flags);
+}
+
+void GetNameInfo4(Loop& loop, const std::shared_ptr<GetNameInfoReq>& req,
+                  const Twine& ip, unsigned int port, int flags) {
+  sockaddr_in addr;
+  int err = NameToAddr(ip, port, &addr);
+  if (err < 0)
+    loop.ReportError(err);
+  else
+    GetNameInfo(loop, req, reinterpret_cast<const sockaddr&>(addr), flags);
+}
+
+void GetNameInfo4(Loop& loop,
+                  std::function<void(const char*, const char*)> callback,
+                  const Twine& ip, unsigned int port, int flags) {
+  sockaddr_in addr;
+  int err = NameToAddr(ip, port, &addr);
+  if (err < 0)
+    loop.ReportError(err);
+  else
+    GetNameInfo(loop, callback, reinterpret_cast<const sockaddr&>(addr), flags);
+}
+
+void GetNameInfo6(Loop& loop, const std::shared_ptr<GetNameInfoReq>& req,
+                  const Twine& ip, unsigned int port, int flags) {
+  sockaddr_in6 addr;
+  int err = NameToAddr(ip, port, &addr);
+  if (err < 0)
+    loop.ReportError(err);
+  else
+    GetNameInfo(loop, req, reinterpret_cast<const sockaddr&>(addr), flags);
+}
+
+void GetNameInfo6(Loop& loop,
+                  std::function<void(const char*, const char*)> callback,
+                  const Twine& ip, unsigned int port, int flags) {
+  sockaddr_in6 addr;
+  int err = NameToAddr(ip, port, &addr);
+  if (err < 0)
+    loop.ReportError(err);
+  else
+    GetNameInfo(loop, callback, reinterpret_cast<const sockaddr&>(addr), flags);
+}
+
+}  // namespace uv
+}  // namespace wpi