1 files changed, 89 insertions, 0 deletions
diff --git a/Libraries/LibCore/Socket.h b/Libraries/LibCore/Socket.h
new file mode 100644
index 0000000000..1b372e5be9
--- /dev/null
+++ b/Libraries/LibCore/Socket.h
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include <LibCore/IODevice.h>
+#include <LibCore/SocketAddress.h>
+
+namespace Core {
+
+class Notifier;
+
+class Socket : public IODevice {
+    C_OBJECT(Socket)
+public:
+    enum class Type {
+        Invalid,
+        TCP,
+        UDP,
+        Local,
+    };
+    virtual ~Socket() override;
+
+    Type type() const { return m_type; }
+
+    bool connect(const String& hostname, int port);
+    bool connect(const SocketAddress&, int port);
+    bool connect(const SocketAddress&);
+
+    ByteBuffer receive(int max_size);
+    bool send(const ByteBuffer&);
+
+    bool is_connected() const { return m_connected; }
+    void set_blocking(bool blocking);
+
+    SocketAddress source_address() const { return m_source_address; }
+    int source_port() const { return m_source_port; }
+
+    SocketAddress destination_address() const { return m_source_address; }
+    int destination_port() const { return m_destination_port; }
+
+    Function<void()> on_connected;
+    Function<void()> on_ready_to_read;
+
+protected:
+    Socket(Type, Object* parent);
+
+    SocketAddress m_source_address;
+    SocketAddress m_destination_address;
+    int m_source_port { -1 };
+    int m_destination_port { -1 };
+    bool m_connected { false };
+
+    virtual void did_update_fd(int) override;
+
+private:
+    virtual bool open(IODevice::OpenMode) override { ASSERT_NOT_REACHED(); }
+    bool common_connect(const struct sockaddr*, socklen_t);
+    void ensure_read_notifier();
+
+    Type m_type { Type::Invalid };
+    RefPtr<Notifier> m_notifier;
+    RefPtr<Notifier> m_read_notifier;
+};
+
+}