Line data    Source code

       1             : /*
       2             :  * Copyright (c) 2013 Juniper Networks, Inc. All rights reserved.
       3             :  * Copyright Contributors to the OpenSDN project
       4             :  */
       5             : 
       6             : #include "kstate.h"
       7             : #include "mpls_kstate.h"
       8             : 
       9           0 : MplsKState::MplsKState(KMplsResp *obj, const std::string &resp_ctx,
      10           0 :                        vr_mpls_req &req, int id) : KState(resp_ctx, obj) {
      11           0 :     req.set_mr_label(id);
      12           0 :     if (id >= 0) {
      13           0 :         req.set_h_op(sandesh_op::GET);
      14             :     } else {
      15           0 :         req.set_h_op(sandesh_op::DUMP);
      16           0 :         req.set_mr_marker(-1);
      17             :     }
      18           0 : }
      19             : 
      20           0 : void MplsKState::SendNextRequest() {
      21           0 :     vr_mpls_req req;
      22           0 :     req.set_h_op(sandesh_op::DUMP);
      23           0 :     req.set_mr_label(0);
      24           0 :     int32_t label = boost::any_cast<int32_t>(more_context_);
      25           0 :     req.set_mr_marker(label);
      26           0 :     EncodeAndSend(req);
      27           0 : }
      28             : 
      29           0 : void MplsKState::Handler() {
      30           0 :     KMplsResp *resp = static_cast<KMplsResp *>(response_object_);
      31           0 :     if (resp) {
      32           0 :         if (MoreData()) {
      33             :             /* There are more labels in Kernel. We need to query them from
      34             :              * Kernel and send it to Sandesh.
      35             :              */
      36           0 :             SendResponse();
      37           0 :             SendNextRequest();
      38             :         } else {
      39           0 :             resp->set_context(response_context_);
      40           0 :             resp->Response();
      41           0 :             more_context_ = boost::any();
      42             :         }
      43             :     }
      44           0 : }
      45             : 
      46           0 : void MplsKState::SendResponse() {
      47             : 
      48           0 :     KMplsResp *resp = static_cast<KMplsResp *>(response_object_);
      49           0 :     resp->set_context(response_context_);
      50           0 :     resp->set_more(true);
      51           0 :     resp->Response();
      52             : 
      53           0 :     response_object_ = new KMplsResp();
      54           0 : }