diff options
Diffstat (limited to 'src/stateless/cp/trex_dp_port_events.h')
-rw-r--r-- | src/stateless/cp/trex_dp_port_events.h | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/src/stateless/cp/trex_dp_port_events.h b/src/stateless/cp/trex_dp_port_events.h new file mode 100644 index 00000000..309288df --- /dev/null +++ b/src/stateless/cp/trex_dp_port_events.h @@ -0,0 +1,165 @@ +/* + Itay Marom + Cisco Systems, Inc. +*/ + +/* +Copyright (c) 2015-2015 Cisco Systems, Inc. + +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. +*/ +#ifndef __TREX_DP_PORT_EVENTS_H__ +#define __TREX_DP_PORT_EVENTS_H__ + +#include <unordered_map> +#include <string> + +class TrexStatelessPort; + +/** + * describes a single DP event related to port + * + * @author imarom (18-Nov-15) + */ +class TrexDpPortEvent { +public: + + enum event_e { + EVENT_STOP = 1, + EVENT_MAX + }; + + /** + * status of the event for the port + */ + enum event_status_e { + EVENT_DISABLE, + EVENT_PENDING, + EVENT_TIMED_OUT, + EVENT_OCCURED + }; + + /** + * init for the event + * + */ + void create(event_e type, TrexStatelessPort *port); + + /** + * create a new pending event + * + */ + void wait_for_event(int event_id, int timeout_ms = -1); + + /** + * mark event as not allowed to happen + * + */ + void disable(); + + /** + * get the event status + * + */ + event_status_e status(); + + /** + * event occured + * + */ + void handle_event(int thread_id, int event_id); + + /** + * returns true if event is active + * + */ + bool is_active(); + + /** + * has timeout already expired ? + * + */ + bool has_timeout_expired(); + + /** + * generate error + * + */ + void err(int thread_id, int event_id, const std::string &err_msg); + + /** + * event to name + * + */ + static const char * event_name(event_e type); + + +private: + + event_e m_event_type; + std::unordered_map<int, bool> m_signal; + int m_pending_cnt; + + TrexStatelessPort *m_port; + int m_event_id; + int m_expire_limit_ms; + +}; + +/** + * all the events related to a port + * + */ +class TrexDpPortEvents { +public: + friend class TrexDpPortEvent; + + void create(TrexStatelessPort *port); + + /** + * generate a new event ID to be used with wait_for_event + * + */ + int generate_event_id(); + + /** + * wait a new DP event on the port + * returns a key which will be used to identify + * the event happened + * + * @author imarom (18-Nov-15) + * + * @param ev - type of event + * @param event_id - a unique identifier for the event + * @param timeout_ms - does it has a timeout ? + * + */ + void wait_for_event(TrexDpPortEvent::event_e ev, int event_id, int timeout_ms = -1); + + /** + * event has occured + * + */ + void handle_event(TrexDpPortEvent::event_e ev, int thread_id, int event_id); + +private: + static const int EVENT_ID_INVALID = -1; + + TrexDpPortEvent m_events[TrexDpPortEvent::EVENT_MAX]; + int m_event_id_counter; + + TrexStatelessPort *m_port; + +}; + +#endif /* __TREX_DP_PORT_EVENTS_H__ */ |