LibCore+LookupServer: Implement and use UDPServer::send

2 files changed, 16 insertions, 0 deletions

diff --git a/Userland/Libraries/LibCore/UDPServer.cpp b/Userland/Libraries/LibCore/UDPServer.cpp
index fbe01fc7ce..9d754d2855 100644
--- a/Userland/Libraries/LibCore/UDPServer.cpp
+++ b/Userland/Libraries/LibCore/UDPServer.cpp
@@ -102,4 +102,18 @@ Optional<u16> UDPServer::local_port() const
     return ntohs(address.sin_port);
 }
 
+ErrorOr<size_t> UDPServer::send(ReadonlyBytes buffer, sockaddr_in const& to)
+{
+    if (m_fd < 0) {
+        return Error::from_errno(EBADF);
+    }
+
+    auto result = ::sendto(m_fd, buffer.data(), buffer.size(), 0, (sockaddr const*)&to, sizeof(to));
+    if (result < 0) {
+        return Error::from_errno(errno);
+    }
+
+    return result;
+}
+
 }
diff --git a/Userland/Libraries/LibCore/UDPServer.h b/Userland/Libraries/LibCore/UDPServer.h
index 705f204fac..453cf43056 100644
--- a/Userland/Libraries/LibCore/UDPServer.h
+++ b/Userland/Libraries/LibCore/UDPServer.h
@@ -30,6 +30,8 @@ public:
         return receive(size, saddr);
     };
 
+    ErrorOr<size_t> send(ReadonlyBytes, sockaddr_in const& to);
+
     Optional<IPv4Address> local_address() const;
     Optional<u16> local_port() const;