MME2 changes - Propped commits from openmme/paging branch. Added scripts
for code gen
Change-Id: Ie55032217232214ac8544ca76ea34335205329e4
diff --git a/src/s11/handlers/delete_session_handler.c b/src/s11/handlers/delete_session_handler.c
new file mode 100644
index 0000000..b7758b3
--- /dev/null
+++ b/src/s11/handlers/delete_session_handler.c
@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 2003-2018, Great Software Laboratory Pvt. Ltd.
+ * Copyright (c) 2017 Intel Corporation
+ * 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 <arpa/inet.h>
+#include <unistd.h>
+#include <string.h>
+#include <pthread.h>
+
+#include "log.h"
+#include "err_codes.h"
+#include "message_queues.h"
+#include "ipc_api.h"
+#include "gtpv2c.h"
+#include "gtpv2c_ie.h"
+#include "msgType.h"
+#include "../../gtpV2Codec/gtpV2StackWrappers.h"
+/************************************************************************
+Current file : Stage 1 handler.
+ATTACH stages :
+ Stage 1 : detach request -->delete session
+**************************************************************************/
+
+/****Globals and externs ***/
+
+/*S11 CP communication parameters*/
+extern int g_s11_fd;
+extern struct sockaddr_in g_s11_cp_addr;
+extern socklen_t g_s11_serv_size;
+extern volatile uint32_t g_s11_sequence;
+static char buf[S11_DTCHREQ_STAGE1_BUF_SIZE];
+
+struct thread_pool *g_tpool;
+
+extern struct GtpV2Stack* gtpStack_gp;
+extern volatile uint32_t g_s11_sequence;
+
+struct MsgBuffer* dsReqMsgBuf_p = NULL;
+/****Global and externs end***/
+
+/**
+* Stage specific message processing.
+*/
+static int
+delete_session_processing(struct DS_Q_msg *ds_msg)
+{
+ GtpV2MessageHeader gtpHeader;
+ gtpHeader.msgType = GTP_DELETE_SESSION_REQ;
+ gtpHeader.sequenceNumber = g_s11_sequence;
+ gtpHeader.teidPresent = true;
+ gtpHeader.teid = ds_msg->s11_sgw_c_fteid.header.teid_gre;
+
+ DeleteSessionRequestMsgData msgData;
+ memset(&msgData, 0, sizeof(DeleteSessionRequestMsgData));
+
+ msgData.indicationFlagsIePresent = true;
+ msgData.indicationFlags.iOI = true;
+
+ msgData.linkedEpsBearerIdIePresent = true;
+ msgData.linkedEpsBearerId.epsBearerId = ds_msg->bearer_id;
+
+ GtpV2Stack_buildGtpV2Message(gtpStack_gp, dsReqMsgBuf_p, >pHeader, &msgData);
+ g_s11_sequence++;
+
+ sendto(g_s11_fd,
+ MsgBuffer_getDataPointer(dsReqMsgBuf_p),
+ MsgBuffer_getBufLen(dsReqMsgBuf_p), 0,
+ (struct sockaddr*)&g_s11_cp_addr, g_s11_serv_size);
+ log_msg(LOG_INFO, "Send delete session request\n");
+
+ MsgBuffer_reset(dsReqMsgBuf_p);
+
+ return SUCCESS;
+}
+
+
+/**
+* Thread function for stage.
+*/
+void*
+delete_session_handler(void *data)
+{
+ log_msg(LOG_INFO, "Delete session handler initialized\n");
+
+ delete_session_processing((struct DS_Q_msg *)data);
+ return NULL;
+}
+