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third/spdlog/sinks/udp_sink.h

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+// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+
+#pragma once
+
+#include <spdlog/common.h>
+#include <spdlog/details/null_mutex.h>
+#include <spdlog/sinks/base_sink.h>
+#ifdef _WIN32
+    #include <spdlog/details/udp_client-windows.h>
+#else
+    #include <spdlog/details/udp_client.h>
+#endif
+
+#include <chrono>
+#include <functional>
+#include <mutex>
+#include <string>
+
+// Simple udp client sink
+// Sends formatted log via udp
+
+namespace spdlog {
+namespace sinks {
+
+struct udp_sink_config {
+    std::string server_host;
+    uint16_t server_port;
+
+    udp_sink_config(std::string host, uint16_t port)
+        : server_host{std::move(host)},
+          server_port{port} {}
+};
+
+template <typename Mutex>
+class udp_sink : public spdlog::sinks::base_sink<Mutex> {
+public:
+    // host can be hostname or ip address
+    explicit udp_sink(udp_sink_config sink_config)
+        : client_{sink_config.server_host, sink_config.server_port} {}
+
+    ~udp_sink() override = default;
+
+protected:
+    void sink_it_(const spdlog::details::log_msg &msg) override {
+        spdlog::memory_buf_t formatted;
+        spdlog::sinks::base_sink<Mutex>::formatter_->format(msg, formatted);
+        client_.send(formatted.data(), formatted.size());
+    }
+
+    void flush_() override {}
+    details::udp_client client_;
+};
+
+using udp_sink_mt = udp_sink<std::mutex>;
+using udp_sink_st = udp_sink<spdlog::details::null_mutex>;
+
+}  // namespace sinks
+
+//
+// factory functions
+//
+template <typename Factory = spdlog::synchronous_factory>
+inline std::shared_ptr<logger> udp_logger_mt(const std::string &logger_name,
+                                             sinks::udp_sink_config skin_config) {
+    return Factory::template create<sinks::udp_sink_mt>(logger_name, skin_config);
+}
+
+}  // namespace spdlog