void DirectorPlugin::pass(HttpRequest* r, const std::string& directorName,
const std::string& backendName) {
auto i = directors_.find(directorName);
if (i == directors_.end()) {
r->log(Severity::error,
"director.pass(): No director with name '%s' configured.",
directorName.c_str());
internalServerError(r);
return;
}
Director* director = i->second.get();
// custom backend route
Backend* backend = nullptr;
if (!backendName.empty()) {
backend = director->findBackend(backendName);
if (!backend) {
// explicit backend specified, but not found -> do not serve.
r->log(Severity::error, "director: Requested backend '%s' not found.",
backendName.c_str());
internalServerError(r);
return;
}
}
#if !defined(NDEBUG)
server().log(Severity::trace, "director: passing request to %s [backend %s].",
director->name().c_str(), backend->name().c_str());
#endif
auto rn = requestNotes(r);
rn->manager = director;
r->onPostProcess.connect(std::bind(&DirectorPlugin::addVia, this, r));
director->schedule(rn, backend);
return;
}
void DirectorPlugin::balance(HttpRequest* r, const std::string& directorName,
const std::string& bucketName) {
auto i = directors_.find(directorName);
if (i == directors_.end()) {
r->log(Severity::error,
"director.balance(): No director with name '%s' configured.",
directorName.c_str());
internalServerError(r);
return;
}
Director* director = i->second.get();
RequestShaper::Node* bucket = nullptr;
if (!bucketName.empty()) {
bucket = director->findBucket(bucketName);
if (!bucket) {
// explicit bucket specified, but not found -> ignore.
bucket = director->rootBucket();
r->log(Severity::error,
"director: Requested bucket '%s' not found in director '%s'. "
"Assigning root bucket.",
bucketName.c_str(), directorName.c_str());
}
} else {
bucket = director->rootBucket();
}
auto rn = requestNotes(r);
rn->manager = director;
r->onPostProcess.connect(std::bind(&DirectorPlugin::addVia, this, r));
#if !defined(NDEBUG)
server().log(Severity::trace, "director: passing request to %s [%s].",
director->name().c_str(), bucket->name().c_str());
#endif
director->schedule(rn, bucket);
} // }}}