1 files changed, 142 insertions, 0 deletions
diff --git a/src/stateless/cp/trex_stateless_api.h b/src/stateless/cp/trex_stateless_api.h
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+++ b/src/stateless/cp/trex_stateless_api.h
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+/*
+ 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_STATELESS_API_H__
+#define __TREX_STATELESS_API_H__
+
+#include <stdint.h>
+#include <string>
+#include <stdexcept>
+
+#include <trex_stream_api.h>
+
+/**
+ * generic exception for errors
+ * TODO: move this to a better place
+ */
+class TrexException : public std::runtime_error 
+{
+public:
+    TrexException() : std::runtime_error("") {
+
+    }
+    TrexException(const std::string &what) : std::runtime_error(what) {
+    }
+};
+
+class TrexStatelessPort;
+
+/**
+ * unified stats
+ * 
+ * @author imarom (06-Oct-15)
+ */
+class TrexStatelessStats {
+public:
+    TrexStatelessStats() {
+        m_stats = {0};
+    }
+
+    struct {
+        double m_cpu_util;
+
+        double m_tx_bps;
+        double m_rx_bps;
+       
+        double m_tx_pps;
+        double m_rx_pps;
+       
+        uint64_t m_total_tx_pkts;
+        uint64_t m_total_rx_pkts;
+       
+        uint64_t m_total_tx_bytes;
+        uint64_t m_total_rx_bytes;
+       
+        uint64_t m_tx_rx_errors;
+    } m_stats;
+};
+
+/**
+ * defines the T-Rex stateless operation mode
+ * 
+ */
+class TrexStateless {
+public:
+
+    /**
+     * configure the stateless object singelton 
+     * reconfiguration is not allowed
+     * an exception will be thrown
+     */
+    static void configure(uint8_t port_count);
+
+    /**
+     * singleton public get instance
+     * 
+     */
+    static TrexStateless& get_instance() {
+        TrexStateless& instance = get_instance_internal();
+
+        if (!instance.m_is_configured) {
+            throw TrexException("object is not configured");
+        }
+
+        return instance;
+    }
+
+    TrexStatelessPort * get_port_by_id(uint8_t port_id);
+    uint8_t             get_port_count();
+
+    /**
+     * update all the stats (deep update)
+     * (include all the ports and global stats)
+     * 
+     */
+    void               update_stats();
+
+    /**
+     * fetch all the stats
+     * 
+     */
+    void                encode_stats(Json::Value &global);
+
+
+protected:
+    TrexStateless();
+    ~TrexStateless();
+
+    static TrexStateless& get_instance_internal () {
+        static TrexStateless instance;
+        return instance;
+    }
+
+     /* c++ 2011 style singleton */
+    TrexStateless(TrexStateless const&)      = delete;  
+    void operator=(TrexStateless const&)     = delete;
+
+    bool                 m_is_configured;
+    TrexStatelessPort   **m_ports;
+    uint8_t              m_port_count;
+
+    TrexStatelessStats   m_stats;
+};
+
+#endif /* __TREX_STATELESS_API_H__ */
+