Mercurial Hosting > luan
view src/luan/modules/http/HttpServicer.java @ 1263:382c444a6c77
add Http.eval_in_root and Http.handle_error
author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Mon, 24 Sep 2018 22:06:25 -0600 |
parents | c147e2e877e3 |
children | 3f4644246e39 |
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package luan.modules.http; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import luan.webserver.Request; import luan.webserver.Response; import luan.webserver.Status; import luan.LuanState; import luan.LuanFunction; import luan.LuanException; import luan.LuanTable; import luan.LuanCloner; import luan.modules.PackageLuan; public final class HttpServicer { private static final Logger logger = LoggerFactory.getLogger(HttpServicer.class); public static Response service(LuanState luan,Request request,String modName) { try { return serviceLuan(luan,request,modName); } catch(LuanException e) { return handleError(luan,request,e); } } private static Response handleError(LuanState luan,Request request,LuanException e) { //e.printStackTrace(); /* String err = e.getLuanStackTraceString(); logger.error(err+"\n"+request.rawHead.trim()+"\n"); String msg = "Internel Server Error\n\n" + err; return Response.errorResponse( Status.INTERNAL_SERVER_ERROR, msg ); */ synchronized(luan) { LuanCloner cloner = new LuanCloner(LuanCloner.Type.INCREMENTAL); luan = (LuanState)cloner.clone(luan); } try { LuanTable module = (LuanTable)PackageLuan.require(luan,"luan:http/Http.luan"); LuanFunction fn = (LuanFunction)module.rawGet("handle_error"); return (Response)fn.call( luan, new Object[]{request,e.table()} ); } catch(LuanException e2) { throw new RuntimeException(e2); } } private static Response serviceLuan(LuanState luan,Request request,String modName) throws LuanException { LuanFunction fn; synchronized(luan) { PackageLuan.enableLoad(luan,"luan:http/Http.luan",modName); PackageLuan.require(luan,"luan:http/Http.luan"); Object mod = PackageLuan.load(luan,modName); if( mod.equals(Boolean.FALSE) ) return null; if( !(mod instanceof LuanFunction) ) throw new LuanException( "module '"+modName+"' must return a function" ); LuanCloner cloner = new LuanCloner(LuanCloner.Type.INCREMENTAL); luan = (LuanState)cloner.clone(luan); fn = (LuanFunction)cloner.get(mod); } LuanTable module = (LuanTable)PackageLuan.require(luan,"luan:http/Http.luan"); // request LuanFunction newRequestFn = (LuanFunction)module.rawGet("new_request"); newRequestFn.call( luan, new Object[]{request} ); // response LuanFunction newResponseFn = (LuanFunction)module.rawGet("new_response"); newResponseFn.call(luan); fn.call(luan); LuanFunction finishFn = (LuanFunction)module.rawGet("finish"); Response response = (Response)finishFn.call(luan); return response; } private HttpServicer() {} // never }