wip more refactoring

ngc_ext_common.cpp

@@ -0,0 +1,71 @@
+#include "./ngc_ext_common.hpp"
+
+//#include <cstdint>
+//#include <cassert>
+#include <new>
+//#include <map>
+//#include <list>
+//#include <set>
+//#include <optional>
+//#include <algorithm>
+
+NGC_EXT_CTX* NGC_EXT_new(void) {
+	auto* ctx = new NGC_EXT_CTX;
+	// TODO: this is likely not necessary
+	for (auto& it : ctx->callbacks) {
+		it = nullptr;
+	}
+	return ctx;
+}
+
+void NGC_EXT_kill(NGC_EXT_CTX* ngc_ext_ctx) {
+	delete ngc_ext_ctx;
+}
+
+//static void _handle_HS1_REQUEST_LAST_IDS(
+	//Tox* tox,
+	//NGC_HS1* ngc_hs1_ctx,
+
+	//uint32_t group_number,
+	//uint32_t peer_number,
+
+	//const uint8_t *data,
+	//size_t length
+//);
+
+#define _EXT_HAVE(x, error) if ((length - curser) < (x)) { error; }
+void NGC_EXT_handle_group_custom_packet(
+	Tox* tox,
+	NGC_EXT_CTX* ngc_ext_ctx,
+
+	uint32_t group_number,
+	uint32_t peer_number,
+
+	const uint8_t *data,
+	size_t length
+	//void *user_data
+) {
+	size_t curser = 0;
+
+	_EXT_HAVE(1, return)
+
+	_PacketType pkg_type = static_cast<_PacketType>(*(data + curser));
+	curser++;
+
+	fprintf(stderr, "custom_packet [%s] %lu\n", _pkgid2str(pkg_type), length);
+
+	if (pkg_type == INVALID) {
+		fprintf(stderr, "(invalid)\n");
+		return;
+	}
+
+	auto handle_fn = ngc_ext_ctx->callbacks[pkg_type];
+	if (handle_fn == nullptr) {
+		fprintf(stderr, "!!! no handler for packet\n");
+		return;
+	}
+
+	handle_fn(tox, ngc_ext_ctx, group_number, peer_number, data+curser, length-curser);
+}
+#undef _EXT_HAVE
+