extension: User space io socket

include/envoy/common/platform.h

@@ -148,6 +148,7 @@ struct msghdr {
 #define SOCKET_ERROR_ADDR_NOT_AVAIL WSAEADDRNOTAVAIL
 #define SOCKET_ERROR_INVAL WSAEINVAL
 #define SOCKET_ERROR_ADDR_IN_USE WSAEADDRINUSE
+#define SOCKET_ERROR_BADF WSAEBADF
 
 #define HANDLE_ERROR_PERM ERROR_ACCESS_DENIED
 #define HANDLE_ERROR_INVALID ERROR_INVALID_HANDLE
@@ -255,6 +256,7 @@ typedef int signal_t;           // NOLINT(modernize-use-using)
 #define SOCKET_ERROR_ADDR_NOT_AVAIL EADDRNOTAVAIL
 #define SOCKET_ERROR_INVAL EINVAL
 #define SOCKET_ERROR_ADDR_IN_USE EADDRINUSE
+#define SOCKET_ERROR_BADF EBADF
 
 // Mapping POSIX file errors to common error names
 #define HANDLE_ERROR_PERM EACCES

source/common/network/io_socket_error_impl.cc

@@ -1,5 +1,7 @@
 #include "common/network/io_socket_error_impl.h"
 
+#include "envoy/common/platform.h"
+
 #include "common/common/assert.h"
 #include "common/common/utility.h"
 
@@ -26,6 +28,8 @@ Api::IoError::IoErrorCode IoSocketError::getErrorCode() const {
     return IoErrorCode::Interrupt;
   case SOCKET_ERROR_ADDR_NOT_AVAIL:
     return IoErrorCode::AddressNotAvailable;
+  case SOCKET_ERROR_BADF:
+    return IoErrorCode::BadFd;
   default:
     ENVOY_LOG_MISC(debug, "Unknown error code {} details {}", errno_, getErrorDetails());
     return IoErrorCode::UnknownError;

source/extensions/io_socket/user_space/BUILD

@@ -43,3 +43,20 @@ envoy_cc_library(
         "//include/envoy/event:dispatcher_interface",
     ],
 )
+
+envoy_cc_library(
+    name = "io_handle_impl_lib",
+    srcs = [
+        "io_handle_impl.cc",
+    ],
+    hdrs = [
+        "io_handle_impl.h",
+    ],
+    deps = [
+        ":file_event_lib",
+        ":io_handle_lib",
+        "//source/common/event:dispatcher_includes",
+        "//source/common/network:address_lib",
+        "//source/common/network:default_socket_interface_lib",
+    ],
+)