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Fix non-SCTP socket communication for P5 messages between PNF and VNF.

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Switches the used socket type in pnf_interface.c and vnf_interface.c.
These values must always be the same in both components so the same socket type is used in both
This commit is contained in:
Rúben Soares Silva
2025-06-26 16:57:08 +01:00
parent ca940e62f9
commit f986f6843a
3 changed files with 140 additions and 54 deletions
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nfapi/open-nFAPI/pnf/src/pnf.c
+45 -12
View File
@@ -1935,7 +1935,20 @@ int pnf_connect(pnf_t* pnf)
socketConnected = 1;
}
}
} else {
int error;
socklen_t len = sizeof(error);
if (getsockopt(pnf->p5_sock, SOL_SOCKET, SO_ERROR, &error, &len) < 0) {
NFAPI_TRACE(NFAPI_TRACE_ERROR, "After getsockopt errno: %d\n", errno);
return -1;
} else {
// If error is zero, the socket is connected
if (error == 0) {
socketConnected = 1;
}
}
}
NFAPI_TRACE(NFAPI_TRACE_NOTE, "Socket %s\n", socketConnected ? "CONNECTED" : "NOT_CONNECTED");
return socketConnected;
@@ -2132,15 +2145,23 @@ int pnf_nr_read_dispatch_message(pnf_t* pnf)
{
int flags = MSG_PEEK;
message_size = sctp_recvmsg(pnf->p5_sock,
header_buffer,
header_buffer_size,
/*(struct sockaddr*)&addr, &addr_len*/ 0,
0,
&sndrcvinfo,
&flags);
if (pnf->sctp) {
message_size = sctp_recvmsg(pnf->p5_sock,
header_buffer,
header_buffer_size,
/*(struct sockaddr*)&addr, &addr_len*/
0,
0,
&sndrcvinfo,
&flags);
} else {
message_size = recv(pnf->p5_sock,
header_buffer,
header_buffer_size,
flags);
}
if (message_size == -1) {
if (message_size < NFAPI_NR_P5_HEADER_LENGTH) {
NFAPI_TRACE(NFAPI_TRACE_INFO, "PNF Failed to peek sctp message size errno:%d\n", errno);
return 0;
}
@@ -2172,8 +2193,20 @@ int pnf_nr_read_dispatch_message(pnf_t* pnf)
int flags = 0;
(void)memset(&sndrcvinfo, 0, sizeof(struct sctp_sndrcvinfo));
int recvmsg_result =
sctp_recvmsg(pnf->p5_sock, read_buffer, message_size, (struct sockaddr*)&addr, &addr_len, &sndrcvinfo, &flags);
ssize_t recvmsg_result = 0;
if (pnf->sctp) {
recvmsg_result = sctp_recvmsg(pnf->p5_sock,
read_buffer,
message_size,
(struct sockaddr *)&addr,
&addr_len,
&sndrcvinfo,
&flags);
} else {
if ((recvmsg_result = recv(pnf->p5_sock, read_buffer, message_size, flags))<=0) {
recvmsg_result = -1;
}
}
if (recvmsg_result == -1) {
NFAPI_TRACE(NFAPI_TRACE_INFO, "Failed to read sctp message size errno:%d\n", errno);
} else {
@@ -2204,7 +2237,7 @@ int pnf_nr_read_dispatch_message(pnf_t* pnf)
*/
// handle now if complete message in one or more segments
if ((flags & 0x80) == 0x80) {
if ((flags & 0x80) == 0x80 || !pnf->sctp) {
pnf_nr_handle_p5_message(pnf, read_buffer, message_size);
} else {
NFAPI_TRACE(NFAPI_TRACE_WARN, "sctp_recvmsg: unhandled mode with flags 0x%x\n", flags);
nfapi/open-nFAPI/vnf/src/vnf.c
+86 -42
View File
@@ -32,6 +32,9 @@
#include "nfapi/oai_integration/aerial/fapi_vnf_p5.h"
#include "nr_fapi_p5.h"
#endif
#include <unistd.h>
#include "nfapi/oai_integration/vendor_ext.h"
void* vnf_malloc(nfapi_vnf_config_t* config, size_t size)
@@ -434,22 +437,22 @@ void vnf_nr_handle_param_response(void *pRecvMsg, int recvMsgLen, nfapi_vnf_conf
const bool result = config->unpack_func(pRecvMsg, recvMsgLen, &msg, sizeof(msg), &config->codec_config);
if (result)
{
if (msg.error_code == NFAPI_NR_PARAM_MSG_OK)
{
nfapi_vnf_phy_info_t* phy_info = nfapi_vnf_phy_info_list_find(config, msg.header.phy_id);
if(msg.nfapi_config.p7_pnf_address_ipv4.tl.tag)
{
struct sockaddr_in sockAddr;
(void)memcpy(&sockAddr.sin_addr.s_addr, msg.nfapi_config.p7_pnf_address_ipv4.address, NFAPI_IPV4_ADDRESS_LENGTH);
NFAPI_TRACE(NFAPI_TRACE_INFO, "PNF P7 IPv4 address: %s\n", inet_ntoa(sockAddr.sin_addr));
// store address
phy_info->p7_pnf_address.sin_addr = sockAddr.sin_addr;
}
if(msg.nfapi_config.p7_pnf_address_ipv6.tl.tag)
{
struct sockaddr_in6 sockAddr6;
@@ -457,11 +460,11 @@ void vnf_nr_handle_param_response(void *pRecvMsg, int recvMsgLen, nfapi_vnf_conf
(void)memcpy(&sockAddr6.sin6_addr, msg.nfapi_config.p7_pnf_address_ipv6.address, NFAPI_IPV6_ADDRESS_LENGTH);
NFAPI_TRACE(NFAPI_TRACE_INFO, "PNF P7 IPv6 address: %s\n", inet_ntop(AF_INET6, &sockAddr6.sin6_addr, addr6, sizeof(addr6)));
}
if (msg.nfapi_config.p7_pnf_port.tl.tag)
{
NFAPI_TRACE(NFAPI_TRACE_INFO, "PNF P7 Port: %d\n", msg.nfapi_config.p7_pnf_port.value);
// store port
phy_info->p7_pnf_address.sin_port = htons(msg.nfapi_config.p7_pnf_port.value);
}
@@ -1268,7 +1271,7 @@ int vnf_nr_read_dispatch_message(nfapi_vnf_config_t* config, nfapi_vnf_pnf_info_
{
if (1) {
int socket_connected = 1;
vnf_t *vnf = (vnf_t *)(config);
// 1. Peek the message header
// 2. If the message is larger than the stack buffer then create a dynamic buffer
// 3. Read the buffer
@@ -1293,8 +1296,21 @@ int vnf_nr_read_dispatch_message(nfapi_vnf_config_t* config, nfapi_vnf_pnf_info_
{
int flags = MSG_PEEK;
message_size =
sctp_recvmsg(pnf->p5_sock, header_buffer, header_buffer_size, (struct sockaddr*)&addr, &addr_len, &sndrcvinfo, &flags);
if (vnf->sctp) {
message_size =
sctp_recvmsg(pnf->p5_sock,
header_buffer,
header_buffer_size,
(struct sockaddr *)&addr,
&addr_len,
&sndrcvinfo,
&flags);
} else {
message_size = recv(pnf->p5_sock,
header_buffer,
header_buffer_size,
flags);
}
if (message_size == -1) {
NFAPI_TRACE(NFAPI_TRACE_INFO, "VNF Failed to peek sctp message size errno:%d\n", errno);
@@ -1328,8 +1344,22 @@ int vnf_nr_read_dispatch_message(nfapi_vnf_config_t* config, nfapi_vnf_pnf_info_
int flags = 0;
(void)memset(&sndrcvinfo, 0, sizeof(struct sctp_sndrcvinfo));
int recvmsg_result =
sctp_recvmsg(pnf->p5_sock, read_buffer, message_size, (struct sockaddr*)&addr, &addr_len, &sndrcvinfo, &flags);
ssize_t recvmsg_result = 0;
if (vnf->sctp) {
recvmsg_result = sctp_recvmsg(pnf->p5_sock,
read_buffer,
message_size,
(struct sockaddr *)&addr,
&addr_len,
&sndrcvinfo,
&flags);
} else {
recvmsg_result = recv(pnf->p5_sock,
read_buffer,
message_size,
0);
}
if (recvmsg_result == -1) {
NFAPI_TRACE(NFAPI_TRACE_INFO, "Failed to read sctp message size errno:%d\n", errno);
} else {
@@ -1338,34 +1368,34 @@ int vnf_nr_read_dispatch_message(nfapi_vnf_config_t* config, nfapi_vnf_pnf_info_
// todo - handle the events
} else {
/*
NFAPI_TRACE(NFAPI_TRACE_INFO, "Received message fd:%d from %s:%u assoc:%d on stream %d, PPID %d, length %d, flags 0x%x\n",
pnf->p5_sock,
inet_ntoa(addr.sin_addr),
ntohs(addr.sin_port),
sndrcvinfo.sinfo_assoc_id,
sndrcvinfo.sinfo_stream,
ntohl(sndrcvinfo.sinfo_ppid),
message_size,
flags);
*/
/*
NFAPI_TRACE(NFAPI_TRACE_INFO, "Received message fd:%d from %s:%u assoc:%d on stream %d, PPID %d, length %d, flags 0x%x\n",
pnf->p5_sock,
inet_ntoa(addr.sin_addr),
ntohs(addr.sin_port),
sndrcvinfo.sinfo_assoc_id,
sndrcvinfo.sinfo_stream,
ntohl(sndrcvinfo.sinfo_ppid),
message_size,
flags);
*/
// handle now if complete message in one or more segments
if ((flags & 0x80) == 0x80) {
// printf("\nVNF RECEIVES:\n");
// for(int i=0; i<message_size; i++){
// printf("%d", read_buffer[i]);
// }
// printf("\n");
// handle now if complete message in one or more segments
if ((flags & 0x80) == 0x80 || !vnf->sctp) {
// printf("\nVNF RECEIVES:\n");
// for(int i=0; i<message_size; i++){
// printf("%d", read_buffer[i]);
// }
// printf("\n");
vnf_nr_handle_p4_p5_message(read_buffer, message_size, pnf->p5_idx, config);
} else {
NFAPI_TRACE(NFAPI_TRACE_WARN, "sctp_recvmsg: unhandled mode with flags 0x%x\n", flags);
vnf_nr_handle_p4_p5_message(read_buffer, message_size, pnf->p5_idx, config);
} else {
NFAPI_TRACE(NFAPI_TRACE_WARN, "sctp_recvmsg: unhandled mode with flags 0x%x\n", flags);
// assume socket disconnected
NFAPI_TRACE(NFAPI_TRACE_WARN, "Disconnected socket\n");
socket_connected = 0;
}
// assume socket disconnected
NFAPI_TRACE(NFAPI_TRACE_WARN, "Disconnected socket\n");
socket_connected = 0;
}
}
}
}
@@ -1509,7 +1539,7 @@ int vnf_read_dispatch_message(nfapi_vnf_config_t* config, nfapi_vnf_pnf_info_t*
}
}
static int vnf_send_p5_msg(nfapi_vnf_pnf_info_t* pnf, const void *msg, int len, uint8_t stream)
static int vnf_send_p5_msg(vnf_t *vnf, nfapi_vnf_pnf_info_t *pnf, const void *msg, int len, uint8_t stream)
{
// printf("\n MESSAGE SENT: \n");
// for(int i=0; i<len; i++){
@@ -1519,7 +1549,21 @@ static int vnf_send_p5_msg(nfapi_vnf_pnf_info_t* pnf, const void *msg, int len,
//NFAPI_TRACE(NFAPI_TRACE_ERROR, "%s len:%d stream:%d\n", __FUNCTION__, len, stream);
int result = sctp_sendmsg(pnf->p5_sock, msg, len, (struct sockaddr*)&pnf->p5_pnf_sockaddr, sizeof(pnf->p5_pnf_sockaddr),1, 0, stream, 0, 4);
ssize_t result = -1;
if (vnf->sctp) {
result = sctp_sendmsg(pnf->p5_sock,
msg,
len,
(struct sockaddr *)&pnf->p5_pnf_sockaddr,
sizeof(pnf->p5_pnf_sockaddr),
1,
0,
stream,
0,
4);
} else {
result = send(pnf->p5_sock, msg, len,0);
}
if(result != len)
{
@@ -1574,7 +1618,7 @@ bool vnf_nr_send_p5_message(vnf_t* vnf, uint16_t p5_idx, nfapi_nr_p4_p5_message_
// printf(" msg->msg_buf[%d] = 0x%02x\n", i, ((uint8_t *) vnf->tx_message_buffer)[i]);
// }
return vnf_send_p5_msg(pnf, vnf->tx_message_buffer, packedMessageLength, 0);
return vnf_send_p5_msg(vnf, pnf, vnf->tx_message_buffer, packedMessageLength, 0);
}
} else {
NFAPI_TRACE(NFAPI_TRACE_INFO, "%s() cannot find pnf info for p5_idx:%d\n", __FUNCTION__, p5_idx);
@@ -1599,7 +1643,7 @@ int vnf_pack_and_send_p5_message(vnf_t* vnf, uint16_t p5_idx, nfapi_p4_p5_messag
return -1;
}
return vnf_send_p5_msg(pnf, vnf->tx_message_buffer, packedMessageLength, 0/*msg->phy_id*/);
return vnf_send_p5_msg(vnf, pnf, vnf->tx_message_buffer, packedMessageLength, 0/*msg->phy_id*/);
}
else
{
@@ -1624,7 +1668,7 @@ int vnf_pack_and_send_p4_message(vnf_t* vnf, uint16_t p5_idx, nfapi_p4_p5_messag
return -1;
}
return vnf_send_p5_msg(pnf, vnf->tx_message_buffer, packedMessageLength, 0/*msg->phy_id*/);
return vnf_send_p5_msg(vnf, pnf, vnf->tx_message_buffer, packedMessageLength, 0/*msg->phy_id*/);
}
else
{
nfapi/open-nFAPI/vnf/src/vnf_interface.c
+9
View File
@@ -237,7 +237,15 @@ int nfapi_nr_vnf_start(nfapi_vnf_config_t* config)
close(p5ListenSock);
return -1;
}
} else {
int error;
socklen_t len = sizeof(error);
if (getsockopt(p5ListenSock, SOL_SOCKET, SO_ERROR, &error, &len) < 0) {
NFAPI_TRACE(NFAPI_TRACE_ERROR, "After getsockopt errno: %d\n", errno);
close(p5ListenSock);
return -1;
}
}
@@ -359,6 +367,7 @@ int nfapi_nr_vnf_start(nfapi_vnf_config_t* config)
// check the connection status
if (vnf->sctp)
{
struct sctp_status status;
(void)memset(&status, 0, sizeof(struct sctp_status));