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// file : web/apache/service.txx -*- C++ -*-
// copyright : Copyright (c) 2014-2016 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#include <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_));
if (static_cast<module&> (m).handle (r, r, l))
return r.flush ();
if (!r.get_write_state ())
return DECLINED;
l.write (nullptr, 0, func_name.c_str (), APLOG_ERR,
"handling declined while unbuffered content has been written");
}
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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