diff options
author | Mauro Sardara <msardara@cisco.com> | 2020-02-21 11:52:28 +0100 |
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committer | Mauro Sardara <msardara@cisco.com> | 2020-02-26 13:19:16 +0100 |
commit | f4433f28b509a9f67ca85d79000ccf9c2f4b7a24 (patch) | |
tree | 0f754bc9d8222f3ace11849165753acd85be3b38 /libtransport/src/core/memif_connector.h | |
parent | 0e7669445b6be1163189521eabed7dd0124043c8 (diff) |
[HICN-534] Major rework on libtransport organization
Change-Id: I361b83a18b4fd59be136d5f0817fc28e17e89884
Signed-off-by: Mauro Sardara <msardara@cisco.com>
Diffstat (limited to 'libtransport/src/core/memif_connector.h')
-rw-r--r-- | libtransport/src/core/memif_connector.h | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/libtransport/src/core/memif_connector.h b/libtransport/src/core/memif_connector.h new file mode 100644 index 000000000..aafef1e56 --- /dev/null +++ b/libtransport/src/core/memif_connector.h @@ -0,0 +1,134 @@ +/* + * Copyright (c) 2017-2019 Cisco and/or its affiliates. + * 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. + */ + +#pragma once + +#include <hicn/transport/config.h> +#include <hicn/transport/portability/portability.h> +#include <hicn/transport/utils/ring_buffer.h> + +#include <core/connector.h> +//#include <hicn/transport/core/hicn_vapi.h> +#include <utils/epoll_event_reactor.h> +#include <utils/fd_deadline_timer.h> + +#include <asio.hpp> +#include <deque> +#include <mutex> +#include <thread> + +#ifdef __vpp__ + +#define _Static_assert static_assert + +namespace transport { + +namespace core { + +typedef struct memif_connection memif_connection_t; + +#define APP_NAME "libtransport" +#define IF_NAME "vpp_connection" + +#define MEMIF_BUF_SIZE 2048 +#define MEMIF_LOG2_RING_SIZE 11 +#define MAX_MEMIF_BUFS (1 << MEMIF_LOG2_RING_SIZE) + +class MemifConnector : public Connector { + typedef void *memif_conn_handle_t; + + public: + MemifConnector(PacketReceivedCallback &&receive_callback, + OnReconnect &&on_reconnect_callback, + asio::io_service &io_service, + std::string app_name = "Libtransport"); + + ~MemifConnector() override; + + void send(const Packet::MemBufPtr &packet) override; + + void send(const uint8_t *packet, std::size_t len, + const PacketSentCallback &packet_sent = 0) override; + + void close() override; + + void connect(uint32_t memif_id, long memif_mode); + + TRANSPORT_ALWAYS_INLINE uint32_t getMemifId() { return memif_id_; }; + + private: + void init(); + + int doSend(); + + int createMemif(uint32_t index, uint8_t mode, char *s); + + uint32_t getMemifConfiguration(); + + int deleteMemif(); + + static int controlFdUpdate(int fd, uint8_t events, void *private_ctx); + + static int onConnect(memif_conn_handle_t conn, void *private_ctx); + + static int onDisconnect(memif_conn_handle_t conn, void *private_ctx); + + static int onInterrupt(memif_conn_handle_t conn, void *private_ctx, + uint16_t qid); + + void threadMain(); + + int txBurst(uint16_t qid); + + int bufferAlloc(long n, uint16_t qid); + + void sendCallback(const std::error_code &ec); + + void processInputBuffer(); + + private: + static utils::EpollEventReactor main_event_reactor_; + static std::unique_ptr<std::thread> main_worker_; + + int epfd; + std::unique_ptr<std::thread> memif_worker_; + utils::EpollEventReactor event_reactor_; + std::atomic_bool timer_set_; + std::unique_ptr<utils::FdDeadlineTimer> send_timer_; + std::unique_ptr<utils::FdDeadlineTimer> disconnect_timer_; + asio::io_service &io_service_; + std::unique_ptr<asio::io_service::work> work_; + uint32_t packet_counter_; + std::unique_ptr<memif_connection_t> memif_connection_; + uint16_t tx_buf_counter_; + + PacketRing input_buffer_; + bool is_reconnection_; + bool data_available_; + uint32_t memif_id_; + uint8_t memif_mode_; + std::string app_name_; + uint16_t transmission_index_; + utils::SpinLock write_msgs_lock_; + std::string socket_filename_; + + static std::once_flag flag_; +}; + +} // end namespace core + +} // end namespace transport + +#endif // __vpp__
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