/* This file contains all SCTP related functionality */
#include "common_def.h"
-#include "odu_common_codec.h"
-#include "ric_e2ap_msg_hdl.h"
#include "ric_stub_sctp.h"
#include "ric_stub.h"
+#include "ric_e2ap_msg_hdl.h"
#include "E2AP-PDU.h"
-#include "du_log.h"
-CuSctpDestCb ricParams;
-RicSctpParams sctpCfg;
-S16 fillAddrLst(CmInetNetAddrLst *addrLstPtr, SctpIpAddr *ipAddr);
-S16 fillDestNetAddr(CmInetNetAddr *destAddrPtr, SctpIpAddr *dstIpPtr);
/**************************************************************************
* @brief Function to configure the Sctp Params during config Request
*
*
***************************************************************************/
-S16 sctpCfgReq()
+uint8_t sctpCfgReq()
{
- connUp = FALSE;
- sctpCfg = ricCfgParams.sctpParams;
-
-/* Fill F1 Params */
- ricParams.destPort = sctpCfg.duPort;
- ricParams.srcPort = sctpCfg.ricPort;
- ricParams.bReadFdSet = ROK;
- memset(&ricParams.sockFd, -1, sizeof(CmInetFd));
- memset(&ricParams.lstnSockFd, -1, sizeof(CmInetFd));
- fillDestNetAddr(&ricParams.destIpNetAddr, &sctpCfg.duIpAddr);
+ int destIdx = 0, assocIdx = 0;
+ sctpCb.sctpCfg = ricCb.ricCfgParams.sctpParams;
+ fillAddrLst(&sctpCb.localAddrLst, &sctpCb.sctpCfg.localIpAddr);
+ memset(&sctpCb.e2LstnSockFd, -1, sizeof(CmInetFd));
+ for(destIdx=0; destIdx < sctpCb.sctpCfg.numDestNode; destIdx++)
+ {
+ sctpCb.assocCb[assocIdx].destPort = sctpCb.sctpCfg.destCb[destIdx].destPort;
+ sctpCb.assocCb[assocIdx].bReadFdSet = ROK;
+ memset(&sctpCb.assocCb[assocIdx].sockFd, -1, sizeof(CmInetFd));
+ fillDestNetAddr(&sctpCb.assocCb[assocIdx].destIpNetAddr, &sctpCb.sctpCfg.destCb[destIdx].destIpAddr);
+ sctpCb.assocCb[assocIdx].connUp = false;
+ assocIdx++;
+ }
+ sctpCb.numAssoc = assocIdx;
return ROK;
}
*
******************************************************************/
-S16 fillAddrLst(CmInetNetAddrLst *addrLstPtr, SctpIpAddr *ipAddr)
+uint8_t fillAddrLst(CmInetNetAddrLst *addrLstPtr, SctpIpAddr *ipAddr)
{
+ addrLstPtr->addrs[addrLstPtr->count].type = CM_INET_IPV4ADDR_TYPE;
+ addrLstPtr->addrs[addrLstPtr->count].u.ipv4NetAddr = CM_INET_NTOH_UINT32(ipAddr->ipV4Addr);
addrLstPtr->count++;
- addrLstPtr->addrs[(addrLstPtr->count - 1)].type = CM_INET_IPV4ADDR_TYPE;
- addrLstPtr->addrs[(addrLstPtr->count - 1)].u.ipv4NetAddr = CM_INET_NTOH_U32(ipAddr->ipV4Addr);
return ROK;
}
* RFAILED - failure
*
*******************************************************************************/
-S16 fillDestNetAddr(CmInetNetAddr *destAddrPtr, SctpIpAddr *dstIpPtr)
+uint8_t fillDestNetAddr(CmInetNetAddr *destAddrPtr, SctpIpAddr *dstIpPtr)
{
/* Filling destination address */
destAddrPtr->type = CM_INET_IPV4ADDR_TYPE;
- destAddrPtr->u.ipv4NetAddr = CM_INET_NTOH_U32(dstIpPtr->ipV4Addr);
+ destAddrPtr->u.ipv4NetAddr = CM_INET_NTOH_UINT32(dstIpPtr->ipV4Addr);
return ROK;
}
*
*******************************************************************************/
-S16 sctpStartReq()
+uint8_t sctpStartReq()
{
- S16 ret = ROK;
+ uint8_t assocIdx = 0;
+ uint8_t ret = ROK;
+
socket_type = CM_INET_STREAM;
- fillAddrLst(&ricParams.localAddrLst, &sctpCfg.ricIpAddr);
- if((ret = cmInetSocket(socket_type, &ricParams.lstnSockFd, IPPROTO_SCTP) != ROK))
- {
- DU_LOG("\nSCTP : Socket[%d] coudnt open for listening", ricParams.lstnSockFd.fd);
- }
- else if((ret = cmInetSctpBindx(&ricParams.lstnSockFd, &ricParams.localAddrLst, ricParams.srcPort)) != ROK)
+ if(sctpCb.numAssoc)
{
- DU_LOG("\nSCTP: Binding failed at RIC");
- }
- else if((ret = sctpAccept(&ricParams.lstnSockFd, &ricParams.peerAddr, &ricParams.sockFd)) != ROK)
- {
- DU_LOG("\nSCTP: Unable to accept the connection at RIC");
+
+ if((ret = cmInetSocket(socket_type, &sctpCb.e2LstnSockFd, IPPROTO_SCTP) != ROK))
+ {
+ DU_LOG("\nERROR --> SCTP : Socket[%d] coudnt open for listening", sctpCb.e2LstnSockFd.fd);
+ }
+ else if((ret = cmInetSctpBindx(&sctpCb.e2LstnSockFd, &sctpCb.localAddrLst, sctpCb.sctpCfg.e2SctpPort)) != ROK)
+ {
+ DU_LOG("\nERROR --> SCTP: Binding failed at RIC");
+ }
+ else if(ret = cmInetListen(&sctpCb.e2LstnSockFd, 1) != ROK)
+ {
+ DU_LOG("\nERROR --> SCTP: Unable to accept the connection at CU");
+ DU_LOG("\nERROR --> SCTP : Listening on socket failed");
+ cmInetClose(&sctpCb.e2LstnSockFd);
+ return RFAILED;
+ }
+ else
+ {
+ for(assocIdx=0; assocIdx < sctpCb.numAssoc; assocIdx++)
+ {
+ if((ret = sctpAccept(&sctpCb.assocCb[assocIdx])) != ROK)
+ {
+ DU_LOG("\nERROR --> SCTP: Unable to accept the connection at RIC");
+ }
+ }
+ }
}
- else if(sctpSockPoll() != ROK)
+
+ if(ret == ROK)
{
- DU_LOG("\nSCTP: Polling failed to start at RIC");
+ if(sctpSockPoll() != ROK)
+ {
+ DU_LOG("\nERROR --> SCTP: Polling failed to start at RIC");
+ }
}
- RETVALUE(ret);
+ return (ret);
}
+
/*******************************************************************
*
* @brief Sets socket options as per requirement
* RFAILED - failure
*
* ****************************************************************/
-S16 sctpSetSockOpts(CmInetFd *sock_Fd)
+uint8_t sctpSetSockOpts(CmInetFd *sock_Fd)
{
S16 ret = ROK;
CmSctpEvent sctpEvent;
ret = RFAILED;
}
- RETVALUE(ret);
+ return (ret);
}
/*******************************************************************
* RFAILED - failure
*
* ****************************************************************/
-S16 sctpAccept(CmInetFd *lstnSock_Fd, CmInetAddr *peerAddr, CmInetFd *sock_Fd)
+uint8_t sctpAccept(RicSctpAssocCb *assocCb)
{
- U8 ret;
+ uint8_t ret;
- ret = cmInetListen(lstnSock_Fd, 1);
- if (ret != ROK)
- {
- DU_LOG("\nSCTP : Listening on socket failed");
- cmInetClose(lstnSock_Fd);
- return RFAILED;
- }
-
- DU_LOG("\nSCTP : Connecting");
+ DU_LOG("\nINFO --> SCTP : Connecting");
- while(!connUp)
+ while(!assocCb->connUp)
{
- ret = cmInetAccept(lstnSock_Fd, peerAddr, sock_Fd);
+ ret = cmInetAccept(&sctpCb.e2LstnSockFd, &assocCb->peerAddr, &assocCb->sockFd);
if (ret == ROKDNA)
{
continue;
}
else if(ret != ROK)
{
- DU_LOG("\nSCTP : Failed to accept connection");
+ DU_LOG("\nERROR --> SCTP : Failed to accept connection");
return RFAILED;
}
else
{
- connUp = TRUE;
- sctpSetSockOpts(sock_Fd);
+ assocCb->connUp = TRUE;
+ sctpSetSockOpts(&assocCb->sockFd);
break;
}
}
- DU_LOG("\nSCTP : Connection established");
+ DU_LOG("\nINFO --> SCTP : Connection established");
return ROK;
}
* RFAILED - failure
*
* ****************************************************************/
-S16 sctpNtfyHdlr(CmInetSctpNotification *ntfy)
+uint8_t sctpNtfyHdlr(RicSctpAssocCb *assocCb, CmInetSctpNotification *ntfy)
{
switch(ntfy->header.nType)
{
case CM_INET_SCTP_ASSOC_CHANGE :
- DU_LOG("\nSCTP : Assoc change notification received");
+ DU_LOG("\nINFO --> SCTP : Assoc change notification received");
switch(ntfy->u.assocChange.state)
{
case CM_INET_SCTP_COMM_UP:
- DU_LOG("Event : COMMUNICATION UP");
- connUp = TRUE;
+ DU_LOG("\nINFO --> Event : COMMUNICATION UP");
+ assocCb->connUp = TRUE;
break;
case CM_INET_SCTP_COMM_LOST:
- DU_LOG("Event : COMMUNICATION LOST");
- connUp = FALSE;
+ DU_LOG("\nINFO --> Event : COMMUNICATION LOST");
+ assocCb->connUp = FALSE;
break;
case CM_INET_SCTP_RESTART:
- DU_LOG("Event : SCTP RESTART");
- connUp = FALSE;
+ DU_LOG("\nINFO --> Event : SCTP RESTART");
+ assocCb->connUp = FALSE;
break;
case CM_INET_SCTP_SHUTDOWN_COMP: /* association gracefully shutdown */
- DU_LOG("Event : SHUTDOWN COMPLETE");
- connUp = FALSE;
+ DU_LOG("\nINFO --> Event : SHUTDOWN COMPLETE");
+ assocCb->connUp = FALSE;
break;
case CM_INET_SCTP_CANT_STR_ASSOC:
- DU_LOG("Event : CANT START ASSOC");
- connUp = FALSE;
+ DU_LOG("\nINFO --> Event : CANT START ASSOC");
+ assocCb->connUp = FALSE;
break;
default:
- DU_LOG("\nInvalid event");
+ DU_LOG("\nERROR --> Invalid event");
break;
}
break;
case CM_INET_SCTP_PEER_ADDR_CHANGE :
- DU_LOG("\nSCTP : Peer Address Change notificarion received");
+ DU_LOG("\nINFO --> SCTP : Peer Address Change notificarion received");
/* Need to add handler */
break;
case CM_INET_SCTP_REMOTE_ERROR :
- DU_LOG("\nSCTP : Remote Error notification received");
+ DU_LOG("\nINFO --> SCTP : Remote Error notification received");
break;
case CM_INET_SCTP_SEND_FAILED :
- DU_LOG("\nSCTP : Send Failed notification received\n");
+ DU_LOG("\nINFO --> SCTP : Send Failed notification received\n");
break;
case CM_INET_SCTP_SHUTDOWN_EVENT : /* peer socket gracefully closed */
- DU_LOG("\nSCTP : Shutdown Event notification received\n");
- connUp = FALSE;
+ DU_LOG("\nINFO --> SCTP : Shutdown Event notification received\n");
+ assocCb->connUp = FALSE;
exit(0);
break;
case CM_INET_SCTP_ADAPTATION_INDICATION :
- DU_LOG("\nSCTP : Adaptation Indication received\n");
+ DU_LOG("\nINFO --> SCTP : Adaptation Indication received\n");
break;
case CM_INET_SCTP_PARTIAL_DELIVERY_EVENT:
- DU_LOG("\nSCTP : Partial Delivery Event received\n");
+ DU_LOG("\nINFO --> SCTP : Partial Delivery Event received\n");
break;
default:
- DU_LOG("\nSCTP : Invalid notification type\n");
+ DU_LOG("\nERROR --> SCTP : Invalid notification type\n");
break;
}
* RFAILED - failure
*
* ****************************************************************/
-S16 sctpSockPoll()
+uint8_t sctpSockPoll()
{
- U16 ret = ROK;
- U32 timeout;
- U32 *timeoutPtr;
- CmInetMemInfo memInfo;
+ uint8_t assocIdx;
+ uint16_t ret = ROK;
+ uint32_t timeout;
+ uint32_t *timeoutPtr;
+ CmInetMemInfo memInfo;
sctpSockPollParams e2PollParams;
memset(&e2PollParams, 0, sizeof(sctpSockPollParams));
- if(ricParams.sockFd.blocking)
- {
- /* blocking */
- timeoutPtr = NULLP;
- }
- else
- {
- /* non-blocking */
- timeout = 0;
- timeoutPtr = &timeout;
- }
-
+ /* All sockets are non-blocking */
+ timeout = 0;
+ timeoutPtr = &timeout;
memInfo.region = RIC_APP_MEM_REG;
memInfo.pool = RIC_POOL;
CM_INET_FD_ZERO(&e2PollParams.readFd);
- DU_LOG("\nSCTP : Polling started at RIC\n");
+ DU_LOG("\nINFO --> SCTP : Polling started at RIC\n");
while(1)
{
- if((ret = processPolling(&e2PollParams, &ricParams.sockFd, timeoutPtr, &memInfo)) != ROK)
+ /* Receiving SCTP data */
+ for(assocIdx = 0; assocIdx < sctpCb.numAssoc; assocIdx++)
{
- DU_LOG("\nSCTP : Failed to RecvMsg for E2 at RIC \n");
+ if((ret = processPolling(&e2PollParams, &sctpCb.assocCb[assocIdx], timeoutPtr, &memInfo)) != ROK)
+ {
+ DU_LOG("\nERROR --> SCTP : Failed to RecvMsg for E2 at RIC \n");
+ }
}
};
- RETVALUE(ret);
+ return (ret);
}/* End of sctpSockPoll() */
/*******************************************************************
* ****************************************************************/
-S16 processPolling(sctpSockPollParams *pollParams, CmInetFd *sockFd, U32 *timeoutPtr, CmInetMemInfo *memInfo)
+uint8_t processPolling(sctpSockPollParams *pollParams, RicSctpAssocCb *assocCb, uint32_t *timeoutPtr, CmInetMemInfo *memInfo)
{
- U16 ret = ROK;
- CM_INET_FD_SET(sockFd, &pollParams->readFd);
+ uint16_t ret = ROK;
+
+ CM_INET_FD_SET(&assocCb->sockFd, &pollParams->readFd);
ret = cmInetSelect(&pollParams->readFd, NULLP, timeoutPtr, &pollParams->numFd);
- if(CM_INET_FD_ISSET(sockFd, &pollParams->readFd))
+ if(CM_INET_FD_ISSET(&assocCb->sockFd, &pollParams->readFd))
{
- CM_INET_FD_CLR(sockFd, &pollParams->readFd);
- ret = cmInetSctpRecvMsg(sockFd, &pollParams->addr, &pollParams->port, memInfo, &pollParams->mBuf, &pollParams->bufLen, &pollParams->info, &pollParams->flag, &pollParams->ntfy);
- if(connUp & (ret != ROK))
+ CM_INET_FD_CLR(&assocCb->sockFd, &pollParams->readFd);
+ ret = cmInetSctpRecvMsg(&assocCb->sockFd, &pollParams->addr, &pollParams->port, memInfo, &pollParams->mBuf, \
+ &pollParams->bufLen, &pollParams->info, &pollParams->flag, &pollParams->ntfy);
+ if(assocCb->connUp & (ret != ROK))
{
- ricParams.bReadFdSet = RFAILED;
+ assocCb->bReadFdSet = RFAILED;
}
else
{
if(((pollParams->flag & CM_INET_SCTP_MSG_NOTIFICATION) != 0) && (ret == ROK))
{
- ret = sctpNtfyHdlr(&pollParams->ntfy);
+ ret = sctpNtfyHdlr(assocCb, &pollParams->ntfy);
if(ret != ROK)
{
- DU_LOG("\nSCTP : Failed to process sctp notify msg\n");
+ DU_LOG("\nERROR --> SCTP : Failed to process sctp notify msg\n");
}
}
- else if(connUp & (pollParams->port == ricParams.destPort))
+ else if(assocCb->connUp)
{
- E2APMsgHdlr(pollParams->mBuf);
- SPutMsg(pollParams->mBuf);
+ E2APMsgHdlr(&assocCb->duId, pollParams->mBuf);
+ ODU_PUT_MSG_BUF(pollParams->mBuf);
}
else
{
- SPutMsg(pollParams->mBuf);
+ ODU_PUT_MSG_BUF(pollParams->mBuf);
}
}
}
* RFAILED - failure
*
* ****************************************************************/
-S16 sctpSend(Buffer *mBuf)
+uint8_t sctpSend(uint32_t duId, Buffer *mBuf)
{
- U8 ret;
+ uint8_t assocIdx;
+ uint8_t ret;
MsgLen len; /* number of actually sent octets */
CmInetMemInfo memInfo;
memInfo.region = RIC_APP_MEM_REG;
memInfo.pool = RIC_POOL;
- ret = cmInetSctpSendMsg(&ricParams.sockFd, &ricParams.destIpNetAddr, ricParams.destPort, &memInfo, mBuf, &len, 0, FALSE, 0, 0/*SCT_PROTID_NONE*/, RWOULDBLOCK);
-
- if(ret != ROK && ret != RWOULDBLOCK)
+ for(assocIdx = 0; assocIdx < sctpCb.numAssoc; assocIdx++)
{
- DU_LOG("\nSCTP : Send message failed");
- return RFAILED;
- }
+ if(sctpCb.assocCb[assocIdx].duId == duId)
+ {
+ ret = cmInetSctpSendMsg(&sctpCb.assocCb[assocIdx].sockFd, &sctpCb.assocCb[assocIdx].destIpNetAddr, \
+ sctpCb.assocCb[assocIdx].destPort, &memInfo, mBuf, &len, 0, FALSE, 0, 0/*SCT_PROTID_NONE*/, RWOULDBLOCK);
+ if(ret != ROK && ret != RWOULDBLOCK)
+ {
+ DU_LOG("\nERROR --> SCTP : Send message failed");
+ return RFAILED;
+ }
+ }
+ }
return ROK;
} /* End of sctpSend */
/**********************************************************************
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