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/*
*
* Copyright 2016 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include <grpc/support/port_platform.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include "src/core/lib/iomgr/polling_entity.h"
grpc_polling_entity grpc_polling_entity_create_from_pollset_set(
grpc_pollset_set* pollset_set) {
grpc_polling_entity pollent;
pollent.pollent.pollset_set = pollset_set;
pollent.tag = GRPC_POLLS_POLLSET_SET;
return pollent;
}
grpc_polling_entity grpc_polling_entity_create_from_pollset(
grpc_pollset* pollset) {
grpc_polling_entity pollent;
pollent.pollent.pollset = pollset;
pollent.tag = GRPC_POLLS_POLLSET;
return pollent;
}
grpc_pollset* grpc_polling_entity_pollset(grpc_polling_entity* pollent) {
if (pollent->tag == GRPC_POLLS_POLLSET) {
return pollent->pollent.pollset;
}
return nullptr;
}
grpc_pollset_set* grpc_polling_entity_pollset_set(
grpc_polling_entity* pollent) {
if (pollent->tag == GRPC_POLLS_POLLSET_SET) {
return pollent->pollent.pollset_set;
}
return nullptr;
}
bool grpc_polling_entity_is_empty(const grpc_polling_entity* pollent) {
return pollent->tag == GRPC_POLLS_NONE;
}
void grpc_polling_entity_add_to_pollset_set(grpc_polling_entity* pollent,
grpc_pollset_set* pss_dst) {
if (pollent->tag == GRPC_POLLS_POLLSET) {
// CFStream does not use file destriptors. When CFStream is used, the fd
// pollset is possible to be null.
if (pollent->pollent.pollset != nullptr) {
grpc_pollset_set_add_pollset(pss_dst, pollent->pollent.pollset);
}
} else if (pollent->tag == GRPC_POLLS_POLLSET_SET) {
GPR_ASSERT(pollent->pollent.pollset_set != nullptr);
grpc_pollset_set_add_pollset_set(pss_dst, pollent->pollent.pollset_set);
} else {
gpr_log(GPR_ERROR, "Invalid grpc_polling_entity tag '%d'", pollent->tag);
abort();
}
}
void grpc_polling_entity_del_from_pollset_set(grpc_polling_entity* pollent,
grpc_pollset_set* pss_dst) {
if (pollent->tag == GRPC_POLLS_POLLSET) {
#ifdef GRPC_CFSTREAM
if (pollent->pollent.pollset != nullptr) {
grpc_pollset_set_del_pollset(pss_dst, pollent->pollent.pollset);
}
#else
GPR_ASSERT(pollent->pollent.pollset != nullptr);
grpc_pollset_set_del_pollset(pss_dst, pollent->pollent.pollset);
#endif
} else if (pollent->tag == GRPC_POLLS_POLLSET_SET) {
GPR_ASSERT(pollent->pollent.pollset_set != nullptr);
grpc_pollset_set_del_pollset_set(pss_dst, pollent->pollent.pollset_set);
} else {
gpr_log(GPR_ERROR, "Invalid grpc_polling_entity tag '%d'", pollent->tag);
abort();
}
}
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