From 63229f465aaea8dd5553814535220817319a64f5 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 4 May 2015 21:22:14 +0200
Subject: Cleanup the code

---
 web/apache/service.txx | 85 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 web/apache/service.txx

(limited to 'web/apache/service.txx')

diff --git a/web/apache/service.txx b/web/apache/service.txx
new file mode 100644
index 0000000..06f3599
--- /dev/null
+++ b/web/apache/service.txx
@@ -0,0 +1,85 @@
+// file      : web/apache/service.txx -*- C++ -*-
+// copyright : Copyright (c) 2014-2015 Code Synthesis Tools CC
+// license   : MIT; see accompanying LICENSE file
+
+#include <httpd/http_log.h>
+
+#include <exception>
+
+namespace web
+{
+  namespace apache
+  {
+    template <typename M>
+    int service::
+    handle(request& r, log& l) noexcept
+    {
+      static const std::string func_name (
+        "web::apache::service<" + name_ + ">::handle");
+
+      try
+      {
+        M m (static_cast<const M&> (exemplar_));
+        static_cast<module&> (m).handle (r, r, l);
+        return r.flush ();
+      }
+      catch (const invalid_request& e)
+      {
+        if (!e.content.empty () && !r.get_write_state ())
+        {
+          try
+          {
+            r.content (e.status, e.type) << e.content;
+            return r.flush ();
+          }
+          catch (const std::exception& e)
+          {
+            l.write (nullptr, 0, func_name.c_str (), APLOG_ERR, e.what ());
+          }
+        }
+
+        return e.status;
+      }
+      catch (const std::exception& e)
+      {
+        l.write (nullptr, 0, func_name.c_str (), APLOG_ERR, e.what ());
+
+        if (*e.what () && !r.get_write_state ())
+        {
+          try
+          {
+            r.content (HTTP_INTERNAL_SERVER_ERROR, "text/plain;charset=utf-8")
+              << e.what ();
+
+            return r.flush ();
+          }
+          catch (const std::exception& e)
+          {
+            l.write (nullptr, 0, func_name.c_str (), APLOG_ERR, e.what ());
+          }
+        }
+      }
+      catch (...)
+      {
+        l.write (nullptr, 0, func_name.c_str (), APLOG_ERR, "unknown error");
+
+        if (!r.get_write_state ())
+        {
+          try
+          {
+            r.content (HTTP_INTERNAL_SERVER_ERROR, "text/plain;charset=utf-8")
+              << "unknown error";
+
+            return r.flush ();
+          }
+          catch (const std::exception& e)
+          {
+            l.write (nullptr, 0, func_name.c_str (), APLOG_ERR, e.what ());
+          }
+        }
+      }
+
+      return HTTP_INTERNAL_SERVER_ERROR;
+    }
+  }
+}
-- 
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