diff options
Diffstat (limited to 'web')
-rw-r--r-- | web/apache/service | 46 | ||||
-rw-r--r-- | web/module | 13 |
2 files changed, 59 insertions, 0 deletions
diff --git a/web/apache/service b/web/apache/service new file mode 100644 index 0000000..3c7a398 --- /dev/null +++ b/web/apache/service @@ -0,0 +1,46 @@ +// file : web/apache/service -*- C++ -*- +// copyright : Copyright (c) 2014-2015 Code Synthesis Tools CC +// license : MIT; see accompanying LICENSE file + +#ifndef WEB_APACHE_SERVICE +#define WEB_APACHE_SERVICE + +#include <string> + +#include <web/module> + +namespace web +{ + namespace apache + { + class service_common + { + //@@ Implementation that calls handle() below goes here. + // + + virtual void + handle (request&, response&, log&) = 0; + }; + + template <typename M> + class service: public service_common + { + public: + // Note that the module exemplar is stored by-reference. + // + service (const std::string& name, const M& exemplar); + + virtual void + handle (request& rq, response& rs, log& l) + { + M m (exemplar_); + m.handle (rq, rs, l); + } + + private: + const M& exemplar_; + }; + } +} + +#endif // WEB_APACHE_SERVICE @@ -22,6 +22,8 @@ namespace web // HTTP status code. // + // @@ Define some commonly used constants? + // using status_code = uint16_t; struct name_value @@ -92,6 +94,17 @@ namespace web write (const char* msg); }; + // The web server creates a new module instance for each request + // by copy-initializing it with the module exemplar. This way we + // achieve two things: we can freely use module data members + // without worrying about multi-threading issues and we + // automatically get started with the initial state for each + // request. If you really need to share some rw-data between + // all the modules, use static data members with appropriate + // locking. See the <service> header in one of the web server + // directories (e.g., apache/) if you need to see the code that + // does this. + // class module { public: |