few tweaks

Signed-off-by: imarom <imarom@cisco.com>

3 files changed, 35 insertions, 13 deletions

diff --git a/src/rpc-server/commands/trex_rpc_cmd_general.cpp b/src/rpc-server/commands/trex_rpc_cmd_general.cpp
index be261fbb..55249fc8 100644
--- a/src/rpc-server/commands/trex_rpc_cmd_general.cpp
+++ b/src/rpc-server/commands/trex_rpc_cmd_general.cpp
@@ -994,8 +994,9 @@ TrexRpcCmdCapture::parse_cmd_fetch(const Json::Value &params, Json::Value &resul
     
     const TrexPktBuffer *pkt_buffer = rc.get_pkt_buffer();
     
-    result["result"]["pending"] = rc.get_pending();
-    result["result"]["pkts"]    = pkt_buffer->to_json();
+    result["result"]["pending"]     = rc.get_pending();
+    result["result"]["start_ts"]    = rc.get_start_ts();
+    result["result"]["pkts"]        = pkt_buffer->to_json();
     
     /* delete the buffer */
     delete pkt_buffer;
diff --git a/src/stateless/rx/trex_stateless_capture.cpp b/src/stateless/rx/trex_stateless_capture.cpp
index 5d43cede..f0d4e806 100644
--- a/src/stateless/rx/trex_stateless_capture.cpp
+++ b/src/stateless/rx/trex_stateless_capture.cpp
@@ -26,6 +26,8 @@ TrexStatelessCapture::TrexStatelessCapture(capture_id_t id, uint64_t limit, cons
     m_pkt_buffer = new TrexPktBuffer(limit, TrexPktBuffer::MODE_DROP_TAIL);
     m_filter     = filter;
     m_state      = STATE_ACTIVE;
+    m_start_ts   = now_sec();
+    m_pkt_index  = 0;
 }
 
 TrexStatelessCapture::~TrexStatelessCapture() {
@@ -35,7 +37,7 @@ TrexStatelessCapture::~TrexStatelessCapture() {
 }
 
 void
-TrexStatelessCapture::handle_pkt_tx(const TrexPkt *pkt) {
+TrexStatelessCapture::handle_pkt_tx(TrexPkt *pkt) {
 
     if (m_state != STATE_ACTIVE) {
         delete pkt;
@@ -48,6 +50,12 @@ TrexStatelessCapture::handle_pkt_tx(const TrexPkt *pkt) {
         return;
     }
     
+    if (pkt->get_ts() < m_start_ts) {
+        delete pkt;
+        return;
+    }
+    
+    pkt->set_index(++m_pkt_index);
     m_pkt_buffer->push(pkt);
 }
 
@@ -62,7 +70,7 @@ TrexStatelessCapture::handle_pkt_rx(const rte_mbuf_t *m, int port) {
         return;
     }
     
-    m_pkt_buffer->push(m, port, TrexPkt::ORIGIN_RX);
+    m_pkt_buffer->push(m, port, TrexPkt::ORIGIN_RX, ++m_pkt_index);
 }
 
 
@@ -110,7 +118,8 @@ TrexStatelessCapture::fetch(uint32_t pkt_limit, uint32_t &pending) {
         partial->push(pkt);
     }
     
-    pending = m_pkt_buffer->get_element_count();
+    pending  = m_pkt_buffer->get_element_count();
+    
     return partial;
 }
 
@@ -181,7 +190,7 @@ TrexStatelessCaptureMngr::fetch(capture_id_t capture_id, uint32_t pkt_limit, Tre
     uint32_t pending = 0;
     TrexPktBuffer *pkt_buffer = capture->fetch(pkt_limit, pending);
     
-    rc.set_pkt_buffer(pkt_buffer, pending);
+    rc.set_pkt_buffer(pkt_buffer, pending, capture->get_start_ts());
 }
 
 void
@@ -223,7 +232,7 @@ TrexStatelessCaptureMngr::reset() {
 }
 
 void 
-TrexStatelessCaptureMngr::handle_pkt_tx(const TrexPkt *pkt) {
+TrexStatelessCaptureMngr::handle_pkt_tx(TrexPkt *pkt) {
     for (TrexStatelessCapture *capture : m_captures) {
         capture->handle_pkt_tx(pkt);
     }
diff --git a/src/stateless/rx/trex_stateless_capture.h b/src/stateless/rx/trex_stateless_capture.h
index 4a9efea7..bc1b88c5 100644
--- a/src/stateless/rx/trex_stateless_capture.h
+++ b/src/stateless/rx/trex_stateless_capture.h
@@ -121,10 +121,11 @@ public:
         m_pending    = 0;
     }
     
-    void set_pkt_buffer(const TrexPktBuffer *pkt_buffer, uint32_t pending) {
-        m_pkt_buffer = pkt_buffer;
-        m_pending = pending;
-        m_rc = RC_OK;
+    void set_pkt_buffer(const TrexPktBuffer *pkt_buffer, uint32_t pending, dsec_t start_ts) {
+        m_pkt_buffer  = pkt_buffer;
+        m_pending     = pending;
+        m_start_ts    = start_ts;
+        m_rc          = RC_OK;
     }
     
     const TrexPktBuffer *get_pkt_buffer() const {
@@ -135,9 +136,14 @@ public:
         return m_pending;
     }
     
+    dsec_t get_start_ts() const {
+        return m_start_ts;
+    }
+    
 private:
     const TrexPktBuffer *m_pkt_buffer;
     uint32_t             m_pending;
+    dsec_t               m_start_ts;
 };
 
 class TrexCaptureRCRemove : public TrexCaptureRC {
@@ -245,7 +251,7 @@ public:
     
     TrexStatelessCapture(capture_id_t id, uint64_t limit, const CaptureFilter &filter);
     
-    void handle_pkt_tx(const TrexPkt *pkt);
+    void handle_pkt_tx(TrexPkt *pkt);
     void handle_pkt_rx(const rte_mbuf_t *m, int port);
     
     ~TrexStatelessCapture();
@@ -274,11 +280,17 @@ public:
         return m_pkt_buffer->get_element_count();
     }
     
+    dsec_t get_start_ts() const {
+        return m_start_ts;
+    }
+    
 private:
     state_e          m_state;
     TrexPktBuffer   *m_pkt_buffer;
+    dsec_t           m_start_ts;
     CaptureFilter    m_filter;
     uint64_t         m_id;
+    uint64_t         m_pkt_index;
 };
 
 class TrexStatelessCaptureMngr {
@@ -341,7 +353,7 @@ public:
     /**
      *  handle packet from TX
      */
-    void handle_pkt_tx(const TrexPkt *pkt);
+    void handle_pkt_tx(TrexPkt *pkt);
     
     /** 
      * handle packet from RX