Add initial interface

5 files changed, 226 insertions, 0 deletions

diff --git a/src/WebRTCPeer.cpp b/src/WebRTCPeer.cpp
new file mode 100644
index 0000000..bc77438
--- /dev/null
+++ b/src/WebRTCPeer.cpp
@@ -0,0 +1,36 @@
+#include "WebRTCPeer.hpp"
+
+godot_error WebRTCPeer::get_packet(const uint8_t **r_buffer, int &r_len) {
+	printf("Get packet");
+	r_len = 0;
+	return GODOT_OK;
+}
+
+godot_error WebRTCPeer::put_packet(const uint8_t *p_buffer, int p_len) {
+	printf("Put packet");
+	return GODOT_OK;
+}
+
+godot_int WebRTCPeer::get_available_packet_count() const {
+	printf("Get packet count");
+	return 2;
+}
+
+godot_int WebRTCPeer::get_max_packet_size() const {
+	printf("Get max packet size");
+	return 1024;
+}
+
+void WebRTCPeer::_register_methods() { }
+
+void WebRTCPeer::_init() {
+	printf("Binding PacketPeer interface");
+	godot_net_bind_webrtc_peer(_owner, &interface);
+}
+
+WebRTCPeer::~WebRTCPeer() {
+	if (_owner) {
+		printf("Unbinding PacketPeer interface");
+		godot_net_bind_webrtc_peer(_owner, NULL);
+	}
+}
diff --git a/src/WebRTCPeer.hpp b/src/WebRTCPeer.hpp
new file mode 100644
index 0000000..1f4550a
--- /dev/null
+++ b/src/WebRTCPeer.hpp
@@ -0,0 +1,36 @@
+#ifndef MY_PACKET_PEER
+#define MY_PACKET_PEER
+
+#include <Godot.hpp>
+
+#include "net/WebRTCPeerNative.hpp"
+
+class WebRTCPeer : public WebRTCPeerNative {
+	GODOT_CLASS(WebRTCPeer, WebRTCPeerNative);
+
+public:
+	static void _register_methods();
+
+	void _init();
+
+	void set_write_mode(godot_int mode);
+	godot_int get_write_mode() const;
+	bool was_string_packet() const;
+	godot_int get_connection_state() const;
+
+	godot_error create_offer();
+	godot_error set_remote_description(godot_string type, godot_string sdp);
+	godot_error set_local_description(godot_string type, godot_string sdp);
+	godot_error add_ice_candidate(godot_string sdpMidName, int sdpMlineIndexName, godot_string sdpName);
+	godot_error poll();
+
+	/* WebRTCPeer */
+	virtual godot_error get_packet(const uint8_t **r_buffer, int &r_len);
+	virtual godot_error put_packet(const uint8_t *p_buffer, int p_len);
+	virtual godot_int get_available_packet_count() const;
+	virtual godot_int get_max_packet_size() const;
+
+	~WebRTCPeer();
+};
+
+#endif // MY_PACKET_PEER
diff --git a/src/init.cpp b/src/init.cpp
new file mode 100644
index 0000000..601ac2a
--- /dev/null
+++ b/src/init.cpp
@@ -0,0 +1,16 @@
+#include "WebRTCPeer.hpp"
+
+/* Godot export stuff */
+extern "C" void GDN_EXPORT godot_gdnative_init(godot_gdnative_init_options *o) {
+	godot::Godot::gdnative_init(o);
+}
+
+extern "C" void GDN_EXPORT godot_gdnative_terminate(godot_gdnative_terminate_options *o) {
+	godot::Godot::gdnative_terminate(o);
+}
+
+extern "C" void GDN_EXPORT godot_nativescript_init(void *handle) {
+	godot::Godot::nativescript_init(handle);
+
+	godot::register_class<WebRTCPeer>();
+}
diff --git a/src/net/WebRTCPeerNative.cpp b/src/net/WebRTCPeerNative.cpp
new file mode 100644
index 0000000..62d1040
--- /dev/null
+++ b/src/net/WebRTCPeerNative.cpp
@@ -0,0 +1,72 @@
+#include "WebRTCPeerNative.hpp"
+
+void WebRTCPeerNative::_register_methods() { }
+
+void WebRTCPeerNative::_init() {
+	printf("Binding PacketPeer interface");
+	godot_net_bind_webrtc_peer(_owner, &interface);
+}
+
+WebRTCPeerNative::~WebRTCPeerNative() {
+	if (_owner) {
+		printf("Unbinding PacketPeer interface");
+		godot_net_bind_webrtc_peer(_owner, NULL);
+	}
+}
+
+/*
+ * The C interface that implements WebRTCPeer.
+ * In this case it forwards calls to our C++ class, but could be plain C,
+ * and you could use void *user for any kind of state struct pointer you have.
+ */
+godot_error get_packet_wp(void *user, const uint8_t **r_buffer, int &r_len) {
+	return ((WebRTCPeerNative *) user)->get_packet(r_buffer, r_len);
+}
+
+godot_error put_packet_wp(void *user, const uint8_t *p_buffer, int p_len) {
+	return ((WebRTCPeerNative *) user)->put_packet(p_buffer, p_len);
+}
+
+godot_int get_available_packet_count_wp(const void *user) {
+	return ((WebRTCPeerNative *) user)->get_available_packet_count();
+}
+
+godot_int get_max_packet_size_wp(const void *user) {
+	return ((WebRTCPeerNative *) user)->get_max_packet_size();
+}
+
+void set_write_mode_wp(void *user, godot_int write_mode) {
+	((WebRTCPeerNative *) user)->set_write_mode(write_mode);
+}
+
+godot_int get_write_mode_wp(const void *user) {
+	return ((WebRTCPeerNative *) user)->get_write_mode();
+}
+
+bool was_string_packet_wp(const void *user) {
+	return ((WebRTCPeerNative *) user)->was_string_packet();
+}
+
+godot_int get_connection_state_wp(const void *user) {
+	return ((WebRTCPeerNative *) user)->get_connection_state();
+}
+
+godot_error create_offer_wp(void *user) {
+	return ((WebRTCPeerNative *) user)->create_offer();
+}
+
+godot_error set_remote_description_wp(void *user, godot_string type, godot_string sdp) {
+	return ((WebRTCPeerNative *) user)->set_remote_description(type, sdp);
+}
+
+godot_error set_local_description_wp(void *user, godot_string type, godot_string sdp) {
+	return ((WebRTCPeerNative *) user)->set_local_description(type, sdp);
+}
+
+godot_error add_ice_candidate_wp(void *user, godot_string sdpMidName, int sdpMlineIndexName, godot_string sdpName) {
+	return ((WebRTCPeerNative *) user)->add_ice_candidate(sdpMidName, sdpMlineIndexName, sdpName);
+}
+
+godot_error poll_wp(void *user) {
+	return ((WebRTCPeerNative *) user)->poll();
+}
diff --git a/src/net/WebRTCPeerNative.hpp b/src/net/WebRTCPeerNative.hpp
new file mode 100644
index 0000000..b9ba4e9
--- /dev/null
+++ b/src/net/WebRTCPeerNative.hpp
@@ -0,0 +1,66 @@
+#ifndef WEBRTC_PEER_NATIVE
+#define WEBRTC_PEER_NATIVE
+
+#include <Godot.hpp>
+#include <Reference.hpp>
+#include <WebRTCPeer.hpp>
+
+#include <net/godot_net.h>
+
+/* Forward declare interface functions */
+godot_error get_packet_wp(void *, const uint8_t **, int &);
+godot_error put_packet_wp(void *, const uint8_t *, int);
+godot_int get_available_packet_count_wp(const void *);
+godot_int get_max_packet_size_wp(const void *);
+
+void set_write_mode_wp(void *, godot_int);
+godot_int get_write_mode_wp(const void *);
+bool was_string_packet_wp(const void *);
+godot_int get_connection_state_wp(const void *);
+
+godot_error create_offer_wp(void *);
+godot_error set_remote_description_wp(void *, godot_string, godot_string);
+godot_error set_local_description_wp(void *, godot_string, godot_string);
+godot_error add_ice_candidate_wp(void *, godot_string, int, godot_string);
+godot_error poll_wp(void *);
+
+class WebRTCPeerNative : public godot::WebRTCPeer {
+	GODOT_CLASS(WebRTCPeerNative, godot::WebRTCPeer);
+
+protected:
+	godot_net_webrtc_peer interface = {
+		{3, 1},
+		this,
+		&get_packet_wp,
+		&put_packet_wp,
+		&get_available_packet_count_wp,
+		&get_max_packet_size_wp,
+		NULL
+	};
+
+public:
+	static void _register_methods();
+
+	void _init();
+
+	virtual void set_write_mode(godot_int mode);
+	virtual godot_int get_write_mode() const;
+	virtual bool was_string_packet() const;
+	virtual godot_int get_connection_state() const;
+
+	virtual godot_error create_offer() = 0;
+	virtual godot_error set_remote_description(godot_string type, godot_string sdp) = 0;
+	virtual godot_error set_local_description(godot_string type, godot_string sdp) = 0;
+	virtual godot_error add_ice_candidate(godot_string sdpMidName, int sdpMlineIndexName, godot_string sdpName) = 0;
+	virtual godot_error poll() = 0;
+
+	/* PacketPeer */
+	virtual godot_error get_packet(const uint8_t **r_buffer, int &r_len) = 0;
+	virtual godot_error put_packet(const uint8_t *p_buffer, int p_len) = 0;
+	virtual godot_int get_available_packet_count() const = 0;
+	virtual godot_int get_max_packet_size() const = 0;
+
+	~WebRTCPeerNative();
+};
+
+#endif // WEBRTC_PEER_NATIVE