X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=e2sim%2Fricsim.cpp;fp=e2sim%2Fricsim.cpp;h=6bdc5b63804c617cff282476a67caecf6f500e23;hb=1f1098ad65c5d27ab5aae14d55c5159dd1e8e01b;hp=0000000000000000000000000000000000000000;hpb=d09fbb9e5157cc0d30da61b79fd85cad314817ce;p=sim%2Fe2-interface.git

diff --git a/e2sim/ricsim.cpp b/e2sim/ricsim.cpp
new file mode 100644
index 0000000..6bdc5b6
--- /dev/null
+++ b/e2sim/ricsim.cpp
@@ -0,0 +1,89 @@
+/*****************************************************************************
+#                                                                            *
+# Copyright 2019 AT&T Intellectual Property                                  *
+# Copyright 2019 Nokia                                                       *
+#                                                                            *
+# 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.                                             *
+#                                                                            *
+******************************************************************************/
+
+#include <stdio.h>
+#include <unistd.h>
+#include <assert.h>
+
+#include "e2sim_sctp.hpp"
+#include "e2ap_message_handler.hpp"
+
+extern "C" {
+  #include "e2sim_defs.h"
+  #include "E2AP-PDU.h"
+  #include "e2ap_asn1c_codec.h"
+}
+
+using namespace std;
+
+void encode_and_send_sctp_data(E2AP_PDU_t* pdu, int client_fd)
+{
+  uint8_t       *buf;
+  sctp_buffer_t data;
+
+  data.len = e2ap_asn1c_encode_pdu(pdu, &buf);
+  memcpy(data.buffer, buf, min(data.len, MAX_SCTP_BUFFER));
+
+  sctp_send_data(client_fd, data);
+}
+
+void wait_for_sctp_data(int client_fd)
+{
+  sctp_buffer_t recv_buf;
+  if(sctp_receive_data(client_fd, recv_buf) > 0)
+  {
+    LOG_I("[SCTP] Received new data of size %d", recv_buf.len);
+    e2ap_handle_sctp_data(client_fd, recv_buf);
+  }
+}
+
+int main(int argc, char* argv[]){
+  LOG_I("Start RIC Simulator");
+
+  options_t ops = read_input_options(argc, argv);
+  int client_fd = sctp_start_client(ops.server_ip, ops.server_port);
+
+  //1. Send ENDCX2Setup
+  E2AP_PDU_t* pdu_setup = e2ap_xml_to_pdu("E2AP_ENDCX2SetupRequest.xml");
+  e2ap_asn1c_print_pdu(pdu_setup);
+  encode_and_send_sctp_data(pdu_setup, client_fd);
+  LOG_I("[SCTP] Sent ENDC X2 SETUP REQUEST");
+
+  //2. Receive ENDCX2SetupResponse
+  wait_for_sctp_data(client_fd);
+
+  //3. Send RICSubscriptionRequest
+  E2AP_PDU_t* pdu_sub = e2ap_xml_to_pdu("E2AP_RICsubscriptionRequest_Ashwin.xml");
+  e2ap_asn1c_print_pdu(pdu_sub);
+  encode_and_send_sctp_data(pdu_sub, client_fd);
+  LOG_I("[SCTP] Sent RIC SUBSCRIPTION REQUEST");
+
+  //4. Receive RICSubscriptionResponse
+  while(1){
+    wait_for_sctp_data(client_fd);
+  }
+
+
+  //---------------------------------------
+  close(client_fd);
+  LOG_I("[SCTP] Connection closed.");
+
+  return 0;
+
+}