diff --git a/src/protocol/Packet.cpp b/src/protocol/Packet.cpp
index d78f078..1223793 100644
--- a/src/protocol/Packet.cpp
+++ b/src/protocol/Packet.cpp
@@ -4,6 +4,60 @@ namespace ki
 {
 namespace protocol
 {
+	Packet::Packet(bool control, uint8_t opcode)
+	{
+		m_control = control;
+		m_opcode = opcode;
+		m_payload = std::vector<char>();
+	}
 
+	bool Packet::is_control() const
+	{
+		return m_control;
+	}
+
+	void Packet::set_control(bool control)
+	{
+		m_control = control;
+	}
+
+	uint8_t Packet::get_opcode() const
+	{
+		return m_opcode;
+	}
+
+	void Packet::set_opcode(uint8_t opcode)
+	{
+		m_opcode = opcode;
+	}
+
+	void Packet::write_to(std::ostream& ostream) const
+	{
+		ostream.put(m_control);
+		ostream.put(m_opcode);
+		ostream.put(0);
+		ostream.put(0);
+		ostream.write(m_payload.data(), m_payload.size());
+	}
+
+	void Packet::read_from(std::istream& istream)
+	{
+		m_control = istream.get() >= 1;
+		m_opcode = istream.get();
+		istream.ignore(2);
+
+		const std::ios::pos_type pos = istream.tellg();
+		istream.seekg(0, std::ios::end);
+		const size_t size = istream.tellg() - pos;
+		istream.seekg(pos, std::ios::beg);
+
+		m_payload.resize(size);
+		istream.read(m_payload.data(), size);
+	}
+
+	size_t Packet::get_size() const
+	{
+		return 4 + m_payload.size();
+	}
 }
 }