From 3bf42c6ff3805a0d42bbc661794a95ff31bedc26 Mon Sep 17 00:00:00 2001
From: untodesu <kirill@untode.su>
Date: Sat, 15 Mar 2025 16:22:09 +0500
Subject: Add whatever I was working on for the last month

---
 deps/include/spdlog/sinks/android_sink.h | 137 +++++++++++++++++++++++++++++++
 1 file changed, 137 insertions(+)
 create mode 100644 deps/include/spdlog/sinks/android_sink.h

(limited to 'deps/include/spdlog/sinks/android_sink.h')

diff --git a/deps/include/spdlog/sinks/android_sink.h b/deps/include/spdlog/sinks/android_sink.h
new file mode 100644
index 0000000..f5a0aea
--- /dev/null
+++ b/deps/include/spdlog/sinks/android_sink.h
@@ -0,0 +1,137 @@
+// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+
+#pragma once
+
+#ifdef __ANDROID__
+
+    #include <spdlog/details/fmt_helper.h>
+    #include <spdlog/details/null_mutex.h>
+    #include <spdlog/details/os.h>
+    #include <spdlog/details/synchronous_factory.h>
+    #include <spdlog/sinks/base_sink.h>
+
+    #include <android/log.h>
+    #include <chrono>
+    #include <mutex>
+    #include <string>
+    #include <thread>
+    #include <type_traits>
+
+    #if !defined(SPDLOG_ANDROID_RETRIES)
+        #define SPDLOG_ANDROID_RETRIES 2
+    #endif
+
+namespace spdlog {
+namespace sinks {
+
+/*
+ * Android sink
+ * (logging using __android_log_write or __android_log_buf_write depending on the specified
+ * BufferID)
+ */
+template <typename Mutex, int BufferID = log_id::LOG_ID_MAIN>
+class android_sink final : public base_sink<Mutex> {
+public:
+    explicit android_sink(std::string tag = "spdlog", bool use_raw_msg = false)
+        : tag_(std::move(tag)),
+          use_raw_msg_(use_raw_msg) {}
+
+protected:
+    void sink_it_(const details::log_msg &msg) override {
+        const android_LogPriority priority = convert_to_android_(msg.level);
+        memory_buf_t formatted;
+        if (use_raw_msg_) {
+            details::fmt_helper::append_string_view(msg.payload, formatted);
+        } else {
+            base_sink<Mutex>::formatter_->format(msg, formatted);
+        }
+        formatted.push_back('\0');
+        const char *msg_output = formatted.data();
+
+        // See system/core/liblog/logger_write.c for explanation of return value
+        int ret = android_log(priority, tag_.c_str(), msg_output);
+        if (ret == -EPERM) {
+            return;  // !__android_log_is_loggable
+        }
+        int retry_count = 0;
+        while ((ret == -11 /*EAGAIN*/) && (retry_count < SPDLOG_ANDROID_RETRIES)) {
+            details::os::sleep_for_millis(5);
+            ret = android_log(priority, tag_.c_str(), msg_output);
+            retry_count++;
+        }
+
+        if (ret < 0) {
+            throw_spdlog_ex("logging to Android failed", ret);
+        }
+    }
+
+    void flush_() override {}
+
+private:
+    // There might be liblog versions used, that do not support __android_log_buf_write. So we only
+    // compile and link against
+    // __android_log_buf_write, if user explicitly provides a non-default log buffer. Otherwise,
+    // when using the default log buffer, always log via __android_log_write.
+    template <int ID = BufferID>
+    typename std::enable_if<ID == static_cast<int>(log_id::LOG_ID_MAIN), int>::type android_log(
+        int prio, const char *tag, const char *text) {
+        return __android_log_write(prio, tag, text);
+    }
+
+    template <int ID = BufferID>
+    typename std::enable_if<ID != static_cast<int>(log_id::LOG_ID_MAIN), int>::type android_log(
+        int prio, const char *tag, const char *text) {
+        return __android_log_buf_write(ID, prio, tag, text);
+    }
+
+    static android_LogPriority convert_to_android_(spdlog::level::level_enum level) {
+        switch (level) {
+            case spdlog::level::trace:
+                return ANDROID_LOG_VERBOSE;
+            case spdlog::level::debug:
+                return ANDROID_LOG_DEBUG;
+            case spdlog::level::info:
+                return ANDROID_LOG_INFO;
+            case spdlog::level::warn:
+                return ANDROID_LOG_WARN;
+            case spdlog::level::err:
+                return ANDROID_LOG_ERROR;
+            case spdlog::level::critical:
+                return ANDROID_LOG_FATAL;
+            default:
+                return ANDROID_LOG_DEFAULT;
+        }
+    }
+
+    std::string tag_;
+    bool use_raw_msg_;
+};
+
+using android_sink_mt = android_sink<std::mutex>;
+using android_sink_st = android_sink<details::null_mutex>;
+
+template <int BufferId = log_id::LOG_ID_MAIN>
+using android_sink_buf_mt = android_sink<std::mutex, BufferId>;
+template <int BufferId = log_id::LOG_ID_MAIN>
+using android_sink_buf_st = android_sink<details::null_mutex, BufferId>;
+
+}  // namespace sinks
+
+// Create and register android syslog logger
+
+template <typename Factory = spdlog::synchronous_factory>
+inline std::shared_ptr<logger> android_logger_mt(const std::string &logger_name,
+                                                 const std::string &tag = "spdlog") {
+    return Factory::template create<sinks::android_sink_mt>(logger_name, tag);
+}
+
+template <typename Factory = spdlog::synchronous_factory>
+inline std::shared_ptr<logger> android_logger_st(const std::string &logger_name,
+                                                 const std::string &tag = "spdlog") {
+    return Factory::template create<sinks::android_sink_st>(logger_name, tag);
+}
+
+}  // namespace spdlog
+
+#endif  // __ANDROID__
-- 
cgit