Repo created

TMessagesProj/jni/voip/tgcalls/Instance.cpp

@@ -0,0 +1,66 @@
+#include "Instance.h"
+
+#include <algorithm>
+#include <stdarg.h>
+
+namespace tgcalls {
+namespace {
+
+std::function<void(std::string const &)> globalLoggingFunction;
+
+std::map<std::string, std::shared_ptr<Meta>> &MetaMap() {
+	static auto result = std::map<std::string, std::shared_ptr<Meta>>();
+	return result;
+}
+
+} // namespace
+
+std::vector<std::string> Meta::Versions() {
+	auto &map = MetaMap();
+	auto result = std::vector<std::string>();
+	result.reserve(map.size());
+	for (const auto &entry : map) {
+		result.push_back(entry.first);
+	}
+	return result;
+}
+
+int Meta::MaxLayer() {
+	auto result = 0;
+	for (const auto &entry : MetaMap()) {
+		result = std::max(result, entry.second->connectionMaxLayer());
+	}
+	return result;
+}
+
+std::unique_ptr<Instance> Meta::Create(
+		const std::string &version,
+		Descriptor &&descriptor) {
+	const auto i = MetaMap().find(version);
+
+	// Enforce correct protocol version.
+	if (version == "2.7.7") {
+		descriptor.config.protocolVersion = ProtocolVersion::V0;
+	} else if (version == "5.0.0") {
+		descriptor.config.protocolVersion = ProtocolVersion::V1;
+	}
+
+	return (i != MetaMap().end())
+		? i->second->construct(std::move(descriptor))
+		: nullptr;
+}
+
+void Meta::RegisterOne(std::shared_ptr<Meta> meta) {
+	if (meta) {
+		const auto versions = meta->versions();
+        for (auto &it : versions) {
+            MetaMap().emplace(it, meta);
+        }
+	}
+}
+
+void SetLoggingFunction(std::function<void(std::string const &)> loggingFunction) {
+	globalLoggingFunction = loggingFunction;
+}
+
+} // namespace tgcalls