void HandlerSet
::assignHandler(int socketNum, int conditionSet, TaskScheduler::BackgroundHandlerProc* handlerProc, void* clientData) {
// First, see if there's already a handler for this socket:
HandlerDescriptor* handler = lookupHandler(socketNum);
if (handler == NULL) { // No existing handler, so create a new descr:
handler = new HandlerDescriptor(fHandlers.fNextHandler);
handler->socketNum = socketNum;
}
handler->conditionSet = conditionSet;
handler->handlerProc = handlerProc;
handler->clientData = clientData;
}
void HandlerSet::moveHandler(int oldSocketNum, int newSocketNum) {
HandlerDescriptor* handler = lookupHandler(oldSocketNum);
if (handler != NULL) {
handler->socketNum = newSocketNum;
}
}
void HandlerSet::clearHandler(int socketNum) {
HandlerDescriptor* handler = lookupHandler(socketNum);
delete handler;
}
MaHandler *MaHost::matchHandlers(MaRequest *rq)
{
MaHandler *hp, *cloneHp;
MaLocation *lp;
char *uri;
int uriLen, rc;
mprAssert(rq);
rematch:
//
// Insert all handlers that are specified as match always. This includes
// typically the Auth handler
//
hp = (MaHandler*) handlers.getFirst();
while (hp) {
if (hp->flags & MPR_HANDLER_ALWAYS) {
cloneHp = hp->cloneHandler();
rq->insertHandler(cloneHp);
if (hp->getFlags() & MPR_HANDLER_TERMINAL) {
rq->setExtraPath(0, -1);
return cloneHp;
}
}
hp = (MaHandler*) handlers.getNext(hp);
}
//
// Then match by URI prefix. A URI may have an extra path segment after
// the URI (E.g. /cgi-bin/scriptName/some/Extra/Path. We need to know where
// the URI ends. NOTE: ScriptAlias directives are handled here.
//
lp = (MaLocation*) locations.getFirst();
while (lp) {
uri = rq->getUri();
if (lp->getHandlerName() != 0) {
rc = strncmp(lp->getPrefix(), uri, lp->getPrefixLen());
if (rc == 0) {
hp = lookupHandler(lp->getHandlerName());
if (hp == 0) {
mprError(MPR_L, MPR_LOG, "Handler %s has not been added",
lp->getHandlerName());
lp = (MaLocation*) locations.getNext(lp);
continue;
}
/* FUTURE -- match all method types */
if (rq->getFlags() & MPR_HTTP_PUT_REQUEST &&
!(hp->getFlags() & MPR_HANDLER_PUT)) {
continue;
}
if (lp->getFlags() & MPR_HTTP_LOC_EXTRA_PATH ||
(hp->flags & MPR_HANDLER_TERMINAL &&
hp->flags & MPR_HANDLER_EXTRA_PATH)) {
if (rq->setExtraPath(lp->getPrefix(), lp->getPrefixLen())
< 0) {
rq->requestError(400, "Extra path does not validate");
rq->finishRequest();
return 0;
}
}
rq->setLocation(lp);
cloneHp = hp->cloneHandler();
rq->insertHandler(cloneHp);
if (hp->getFlags() & MPR_HANDLER_TERMINAL) {
return cloneHp;
}
break;
}
}
lp = (MaLocation*) locations.getNext(lp);
}
rq->setExtraPath(0, -1);
//
// Now match by extension or by any custom handler matching technique
// FUTURE - optimize match by extension.
//
hp = (MaHandler*) handlers.getFirst();
while (hp) {
uri = rq->getUri();
uriLen = strlen(uri);
rc = hp->matchRequest(rq, uri, uriLen);
if (rc < 0) {
return 0;
} else if (rc == 1) {
if (! (hp->getFlags() & MPR_HANDLER_ALWAYS)) {
cloneHp = hp->cloneHandler();
rq->insertHandler(cloneHp);
if (hp->getFlags() & MPR_HANDLER_TERMINAL) {
return cloneHp;
}
}
}
if (uri != rq->getUri()) {
rq->deleteHandlers();
goto rematch;
}
hp = (MaHandler*) handlers.getNext(hp);
}
rq->requestError(404, "No handler for URL: %s", rq->getUri());
rq->finishRequest();
return 0;
}
