merge from master

1 files changed, 180 insertions, 12 deletions

diff --git a/src/stateless/dp/trex_stateless_dp_core.cpp b/src/stateless/dp/trex_stateless_dp_core.cpp
index 13bf5a5d..c5963625 100644
--- a/src/stateless/dp/trex_stateless_dp_core.cpp
+++ b/src/stateless/dp/trex_stateless_dp_core.cpp
@@ -358,6 +358,51 @@ bool TrexStatelessDpPerPort::pause_traffic(uint8_t port_id){
     return (true);
 }
 
+bool TrexStatelessDpPerPort::push_pcap(uint8_t port_id,
+                                       const std::string &pcap_filename,
+                                       double ipg_usec,
+                                       double speedup,
+                                       uint32_t count) {
+
+    /* push pcap can only happen on an idle port from the core prespective */
+    assert(m_state == TrexStatelessDpPerPort::ppSTATE_IDLE);
+
+    CGenNodePCAP *pcap_node = m_core->allocate_pcap_node();
+    if (!pcap_node) {
+        return (false);
+    }
+
+    pkt_dir_t dir          = m_core->m_node_gen.m_v_if->port_id_to_dir(port_id);
+    socket_id_t socket_id  = m_core->m_node_gen.m_socket_id;
+
+    uint8_t mac_addr[12];
+    m_core->m_node_gen.m_v_if->update_mac_addr_from_global_cfg(dir, mac_addr);
+
+    bool rc = pcap_node->create(port_id,
+                                dir,
+                                socket_id,
+                                mac_addr,
+                                pcap_filename,
+                                ipg_usec,
+                                speedup,
+                                count);
+    if (!rc) {
+        m_core->free_node((CGenNode *)pcap_node);
+        return (false);
+    }
+
+    /* schedule the node for now */
+    pcap_node->m_time = m_core->m_cur_time_sec;
+    m_core->m_node_gen.add_node((CGenNode *)pcap_node);
+
+    /* hold a pointer to the node */
+    assert(m_active_pcap_node == NULL);
+    m_active_pcap_node = pcap_node;
+
+    m_state = TrexStatelessDpPerPort::ppSTATE_PCAP_TX;
+    return (true);
+}
+
 
 bool TrexStatelessDpPerPort::stop_traffic(uint8_t  port_id,
                                           bool     stop_on_id, 
@@ -390,6 +435,19 @@ bool TrexStatelessDpPerPort::stop_traffic(uint8_t  port_id,
         }
     }
 
+    /* check for active PCAP node */
+    if (m_active_pcap_node) {
+        /* when got async stop from outside or duration */
+        if (m_active_pcap_node->is_active()) {
+            m_active_pcap_node->mark_for_free();
+        } else {
+            /* graceful stop - node was put out by the scheduler */
+            m_core->free_node( (CGenNode *)m_active_pcap_node);
+        }
+
+        m_active_pcap_node = NULL;
+    }
+
     /* active stream should be zero */
     assert(m_active_streams==0);
     m_active_nodes.clear();
@@ -401,9 +459,9 @@ bool TrexStatelessDpPerPort::stop_traffic(uint8_t  port_id,
 void TrexStatelessDpPerPort::create(CFlowGenListPerThread   *  core){
     m_core=core;
     m_state=TrexStatelessDpPerPort::ppSTATE_IDLE;
-    m_port_id=0;
     m_active_streams=0;
     m_active_nodes.clear();
+    m_active_pcap_node = NULL;
 }
 
 
@@ -709,6 +767,7 @@ void
 TrexStatelessDpCore::add_stream(TrexStatelessDpPerPort * lp_port,
                                 TrexStream * stream,
                                 TrexStreamsCompiledObj *comp) {
+
     CGenNodeStateless *node = m_core->create_node_sl();
 
     node->cache_mbuf_array_init();
@@ -977,6 +1036,42 @@ TrexStatelessDpCore::pause_traffic(uint8_t port_id){
     lp_port->pause_traffic(port_id);
 }
 
+
+void 
+TrexStatelessDpCore::push_pcap(uint8_t port_id,
+                               int event_id,
+                               const std::string &pcap_filename,
+                               double ipg_usec,
+                               double speedup,
+                               uint32_t count,
+                               double duration) {
+
+    TrexStatelessDpPerPort * lp_port = get_port_db(port_id);
+
+    lp_port->set_event_id(event_id);
+
+    /* delegate the command to the port */
+    bool rc = lp_port->push_pcap(port_id, pcap_filename, ipg_usec, speedup, count);
+    if (!rc) {
+        /* report back that we stopped */
+        CNodeRing *ring = CMsgIns::Ins()->getCpDp()->getRingDpToCp(m_core->m_thread_id);
+        TrexStatelessDpToCpMsgBase *event_msg = new TrexDpPortEventMsg(m_core->m_thread_id,
+                                                                       port_id,
+                                                                       event_id,
+                                                                       false);
+        ring->Enqueue((CGenNode *)event_msg);
+        return;
+    }
+
+
+    if (duration > 0.0) {
+        add_port_duration(duration, port_id, event_id);
+    }
+
+     m_state = TrexStatelessDpCore::STATE_PCAP_TX;
+}
+
+
 void 
 TrexStatelessDpCore::update_traffic(uint8_t port_id, double factor) {
 
@@ -995,21 +1090,10 @@ TrexStatelessDpCore::stop_traffic(uint8_t  port_id,
        the scheduler invokes it, it will be free */
 
     TrexStatelessDpPerPort * lp_port = get_port_db(port_id);
-
     if ( lp_port->stop_traffic(port_id,stop_on_id,event_id) == false){
-        /* nothing to do ! already stopped */
-        //printf(" skip .. %f\n",m_core->m_cur_time_sec);
         return;
     }
  
-    /* inform the control plane we stopped - this might be a async stop
-       (streams ended)
-    */
-    #if 0
-    if ( are_all_ports_idle() ) {
-        /* just a place holder if we will need to do somthing in that case */
-    }
-    #endif
 
     CNodeRing *ring = CMsgIns::Ins()->getCpDp()->getRingDpToCp(m_core->m_thread_id);
     TrexStatelessDpToCpMsgBase *event_msg = new TrexDpPortEventMsg(m_core->m_thread_id,
@@ -1038,3 +1122,87 @@ TrexStatelessDpCore::barrier(uint8_t port_id, int event_id) {
                                                                    event_id);
     ring->Enqueue((CGenNode *)event_msg);
 }
+
+
+/**
+ * PCAP node
+ */
+bool CGenNodePCAP::create(uint8_t port_id,
+                          pkt_dir_t dir,
+                          socket_id_t socket_id,
+                          const uint8_t *mac_addr,
+                          const std::string &pcap_filename,
+                          double ipg_usec,
+                          double speedup,
+                          uint32_t count) {
+    std::stringstream ss;
+
+    m_type       = CGenNode::PCAP_PKT;
+    m_flags      = 0;
+    m_src_port   = 0;
+    m_port_id    = port_id;
+    m_count      = count;
+    
+    /* mark this node as slow path */
+    set_slow_path(true);
+
+    if (ipg_usec != -1) {
+        /* fixed IPG */
+        m_ipg_sec = usec_to_sec(ipg_usec / speedup);
+        m_speedup = 0;
+    } else {
+        /* packet IPG */
+        m_ipg_sec = -1;
+        m_speedup  = speedup;
+    }
+
+    /* copy MAC addr info */
+    memcpy(m_mac_addr, mac_addr, 12);
+
+    /* set the dir */
+    set_mbuf_dir(dir);
+    set_socket_id(socket_id);
+
+    /* create the PCAP reader */
+    m_reader = CCapReaderFactory::CreateReader((char *)pcap_filename.c_str(), 0, ss);
+    if (!m_reader) {
+        return false;
+    }
+
+    m_raw_packet = new CCapPktRaw();
+    if ( m_reader->ReadPacket(m_raw_packet) == false ){
+        /* handle error */
+        delete m_reader;
+        return (false);
+    }
+
+    /* this is the reference time */
+    //m_base_time = m_raw_packet->get_time();
+    m_last_pkt_time = m_raw_packet->get_time();
+
+    /* ready */
+    m_state = PCAP_ACTIVE;
+
+    return true;
+}
+
+/**
+ * cleanup for PCAP node
+ * 
+ * @author imarom (08-May-16)
+ */
+void CGenNodePCAP::destroy() {
+
+    if (m_raw_packet) {
+        delete m_raw_packet;
+        m_raw_packet = NULL;
+    }
+
+    if (m_reader) {
+        delete m_reader;
+        m_reader = NULL;
+    }
+
+    m_state = PCAP_INVALID;
+}
+