MME2 changes - Propped commits from openmme/paging branch. Added scripts
for code gen

Change-Id: Ie55032217232214ac8544ca76ea34335205329e4
diff --git a/src/s1ap/handlers/mme_msg_delegator.c b/src/s1ap/handlers/mme_msg_delegator.c
new file mode 100644
index 0000000..6ba0162
--- /dev/null
+++ b/src/s1ap/handlers/mme_msg_delegator.c
@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2019, Infosys Ltd.
+ *
+ * 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 <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <pthread.h>
+
+#include "options.h"
+#include "ipc_api.h"
+#include "main.h"
+#include "s1ap.h"
+#include "s1ap_config.h"
+#include "sctp_conn.h"
+#include "s1ap_structs.h"
+#include "s1ap_msg_codes.h"
+#include "s1ap_ie.h"
+#include "err_codes.h"
+#include "msgType.h"
+
+extern void* authreq_handler(void *data);
+extern void* secreq_handler(void *data);
+extern void* icsreq_handler(void *data);
+extern void* detach_accept_handler(void *data);
+extern void* ni_detach_request_handler(void *data);
+extern void* paging_handler(void *data);
+extern void* ics_req_paging_handler(void *data);
+extern void* tau_response_handler(void *data);
+
+void
+handle_mmeapp_message(void * data)
+{
+	log_msg(LOG_INFO, "handle mme-app message ");
+	
+	char *msg = ((char *) data) + (sizeof(uint32_t)*2);
+
+	msg_type_t* msg_type = (msg_type_t*)(msg);
+
+	switch(*msg_type)		
+	{	 
+    case id_request:
+        idreq_handler(msg);
+        break;
+	case auth_request:
+		authreq_handler(msg);
+		break;
+	case sec_mode_command:
+		secreq_handler(msg);
+		break;
+	case esm_info_request:
+		esmreq_handler(msg);
+		break;
+	case init_ctxt_request:
+		icsreq_handler(msg);
+		break;
+	case detach_accept:
+		detach_accept_handler(msg);
+		break;
+	case s1_release_command:
+		s1_release_command_handler(msg);
+		break;
+	case ni_detach_request:
+		ni_detach_request_handler(msg);
+		break;
+	case paging_request:
+		paging_handler(msg);
+		break;
+	case ics_req_paging:
+		ics_req_paging_handler(msg);
+		break;
+	case tau_response:
+		tau_response_handler(msg);
+		break;
+	default:
+		log_msg(LOG_ERROR,"Unhandled mme-app message\n");
+		break;
+	}
+	free(data);
+}