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__ */