1 files changed, 127 insertions, 0 deletions
diff --git a/src/shrpx_log_config.cc b/src/shrpx_log_config.cc
new file mode 100644
index 0000000..92eb055
--- /dev/null
+++ b/src/shrpx_log_config.cc
@@ -0,0 +1,127 @@
+/*
+ * nghttp2 - HTTP/2 C Library
+ *
+ * Copyright (c) 2014 Tatsuhiro Tsujikawa
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "shrpx_log_config.h"
+
+#include <unistd.h>
+
+#include <thread>
+#include <sstream>
+
+#include "util.h"
+
+using namespace nghttp2;
+
+namespace shrpx {
+
+Timestamp::Timestamp(const std::chrono::system_clock::time_point &tp) {
+  time_local = util::format_common_log(time_local_buf.data(), tp);
+  time_iso8601 = util::format_iso8601(time_iso8601_buf.data(), tp);
+  time_http = util::format_http_date(time_http_buf.data(), tp);
+}
+
+LogConfig::LogConfig()
+    : time_str_updated(std::chrono::system_clock::now()),
+      tstamp(std::make_shared<Timestamp>(time_str_updated)),
+      pid(getpid()),
+      accesslog_fd(-1),
+      errorlog_fd(-1),
+      errorlog_tty(false) {
+  auto tid = std::this_thread::get_id();
+  auto tid_hash =
+      util::hash32(StringRef{reinterpret_cast<uint8_t *>(&tid),
+                             reinterpret_cast<uint8_t *>(&tid) + sizeof(tid)});
+  thread_id = util::format_hex(reinterpret_cast<uint8_t *>(&tid_hash),
+                               sizeof(tid_hash));
+}
+
+#ifndef NOTHREADS
+#  ifdef HAVE_THREAD_LOCAL
+namespace {
+thread_local std::unique_ptr<LogConfig> config = std::make_unique<LogConfig>();
+} // namespace
+
+LogConfig *log_config() { return config.get(); }
+void delete_log_config() {}
+#  else  // !HAVE_THREAD_LOCAL
+namespace {
+pthread_key_t lckey;
+pthread_once_t lckey_once = PTHREAD_ONCE_INIT;
+} // namespace
+
+namespace {
+void make_key() { pthread_key_create(&lckey, nullptr); }
+} // namespace
+
+LogConfig *log_config() {
+  pthread_once(&lckey_once, make_key);
+  LogConfig *config = (LogConfig *)pthread_getspecific(lckey);
+  if (!config) {
+    config = new LogConfig();
+    pthread_setspecific(lckey, config);
+  }
+  return config;
+}
+
+void delete_log_config() { delete log_config(); }
+#  endif // !HAVE_THREAD_LOCAL
+#else    // NOTHREADS
+namespace {
+std::unique_ptr<LogConfig> config = std::make_unique<LogConfig>();
+} // namespace
+
+LogConfig *log_config() { return config.get(); }
+
+void delete_log_config() {}
+#endif   // NOTHREADS
+
+void LogConfig::update_tstamp_millis(
+    const std::chrono::system_clock::time_point &now) {
+  if (std::chrono::duration_cast<std::chrono::milliseconds>(
+          now.time_since_epoch()) ==
+      std::chrono::duration_cast<std::chrono::milliseconds>(
+          time_str_updated.time_since_epoch())) {
+    return;
+  }
+
+  time_str_updated = now;
+
+  tstamp = std::make_shared<Timestamp>(now);
+}
+
+void LogConfig::update_tstamp(
+    const std::chrono::system_clock::time_point &now) {
+  if (std::chrono::duration_cast<std::chrono::seconds>(
+          now.time_since_epoch()) ==
+      std::chrono::duration_cast<std::chrono::seconds>(
+          time_str_updated.time_since_epoch())) {
+    return;
+  }
+
+  time_str_updated = now;
+
+  tstamp = std::make_shared<Timestamp>(now);
+}
+
+} // namespace shrpx