| | |
| | | #include "shm.h" |
| | | #include "bh_util.h" |
| | | #include <mutex> |
| | | #include <boost/uuid/uuid_io.hpp> |
| | | #include <boost/uuid/uuid_generators.hpp> |
| | | |
| | | namespace bhome_shm { |
| | | using namespace boost::interprocess; |
| | | using namespace boost::uuids; |
| | | |
| | | namespace { |
| | | std::string MsgQIdToName(const int id) { return "shmq" + std::to_string(id); } |
| | | } |
| | | |
| | | ShmMsgQueue::ShmMsgQueue(MQId id, ShmType &segment, const std::string &name, const uint32_t len): |
| | | SharedQueue(segment, name, id, len, segment.get_segment_manager()) |
| | | { |
| | | printf("queue size: %ld cap: %ld\n", data()->size(), data()->capacity()); |
| | | std::string MsgQIdToName(const MQId& id) { return "shmq" + to_string(id); } |
| | | MQId EmptyId() { return nil_uuid(); } |
| | | MQId NewId() { return random_generator()(); } |
| | | } |
| | | |
| | | ShmMsgQueue::ShmMsgQueue(MQId id, ShmType &segment, const uint32_t len): |
| | | ShmMsgQueue(id, segment, MsgQIdToName(id), len) |
| | | {} |
| | | SharedQueue(segment, MsgQIdToName(id), id, len, segment.get_segment_manager()) |
| | | { |
| | | printf("queue size: %ld cap: %ld\n", data()->size(), data()->capacity()); |
| | | } |
| | | ShmMsgQueue::ShmMsgQueue(ShmType &segment, const uint32_t len):ShmMsgQueue(NewId(), segment, len) {} |
| | | |
| | | ShmMsgQueue::~ShmMsgQueue() |
| | | { |
| | | |
| | | Remove(); |
| | | } |
| | | |
| | | bool ShmMsgQueue::Send(MQId remote_id, const void *data, const size_t size, const int timeout_ms) |
| | |
| | | void *p = shm().allocate(size, std::nothrow); |
| | | bool r = false; |
| | | if (p) { |
| | | Msg buf = { id(), p, size}; |
| | | Msg buf = { Id(), p, size}; |
| | | memcpy(p, data, size); |
| | | if (remote->Write(buf, timeout_ms)) { |
| | | return true; |
| | |
| | | return true; |
| | | } |
| | | } |
| | | source_id = 0; |
| | | source_id = EmptyId(); |
| | | data = 0; |
| | | size = 0; |
| | | return false; |