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Updated non-blocking PDCP socket

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More accurately, we changed the do/while infinite
loop to be an infinite for loop for the read command of
the socket. The socket file descriptor choice is more clear now.
This commit is contained in:
Melissa
2021-02-12 08:59:00 -08:00
committed by Michael Cook
parent 181ae665bd
commit 3a5912a00a
4 changed files with 29 additions and 31 deletions
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openair2/LAYER2/PDCP_v10.1.0/pdcp_fifo.c
+26 -29
View File
@@ -115,11 +115,13 @@ int pdcp_fifo_flush_sdus(const protocol_ctxt_t *const ctxt_pP) {
int pdcp_nb_sdu_sent = 0;
int ret=0;
while ((sdu_p = list_get_head (&pdcp_sdu_list)) != NULL && ((pdcp_data_ind_header_t *)(sdu_p->data))->inst == ctxt_pP->module_id) {
((pdcp_data_ind_header_t *)(sdu_p->data))->inst = 0;
int rb_id = ((pdcp_data_ind_header_t *)(sdu_p->data))->rb_id;
int sizeToWrite= sizeof (pdcp_data_ind_header_t) +
((pdcp_data_ind_header_t *) sdu_p->data)->data_size;
while ((sdu_p = list_get_head (&pdcp_sdu_list)) != NULL) {
pdcp_data_ind_header_t *hdr = (pdcp_data_ind_header_t *) sdu_p->data;
if (hdr->inst != ctxt_pP->module_id) {
break;
}
hdr->inst = 0;
int rb_id = hdr->rb_id;
if (rb_id == 10) { //hardcoded for PC5-Signaling
if( LOG_DEBUGFLAG(DEBUG_PDCP) ) {
@@ -132,42 +134,38 @@ int pdcp_fifo_flush_sdus(const protocol_ctxt_t *const ctxt_pP) {
} else if (UE_NAS_USE_TUN) {
//ret = write(nas_sock_fd[ctxt_pP->module_id], &(sdu_p->data[sizeof(pdcp_data_ind_header_t)]),sizeToWrite );
if(rb_id == mbms_rab_id){
ret = write(nas_sock_mbms_fd, &(sdu_p->data[sizeof(pdcp_data_ind_header_t)]),sizeToWrite );
LOG_I(PDCP,"[PDCP_FIFOS] ret %d TRIED TO PUSH MBMS DATA TO rb_id %d handle %d sizeToWrite %d\n",ret,rb_id,nas_sock_fd[ctxt_pP->module_id],sizeToWrite);
}
else
{
if (rb_id == mbms_rab_id) {
ret = write(nas_sock_mbms_fd, &(sdu_p->data[sizeof(pdcp_data_ind_header_t)]), hdr->data_size);
LOG_I(PDCP,"[PDCP_FIFOS] ret %d TRIED TO PUSH MBMS DATA TO rb_id %d handle %d hdr->data_size %d\n",
ret,rb_id,nas_sock_fd[ctxt_pP->module_id], hdr->data_size);
} else {
#if defined(ENABLE_PDCP_PAYLOAD_DEBUG)
LOG_I(PHY, "PDCP output to be sent to TUN interface: \n");
for (int i = sizeof(pdcp_data_ind_header_t); i < sizeToWrite; i++) {
printf("%02x ",(unsigned char)sdu_p->data[i]);
for (int i = 0; i < hdr->data_size; i++) {
printf("%02x ",(unsigned char)sdu_p->data[i + sizeof(pdcp_data_ind_header_t)]);
}
printf("\n");
#endif
if (ue_id_g == 0)
{
ret = write(nas_sock_fd[ctxt_pP->module_id], &(sdu_p->data[sizeof(pdcp_data_ind_header_t)]),sizeToWrite );
if (ue_id_g == 0) {
ret = write(nas_sock_fd[ctxt_pP->module_id], &(sdu_p->data[sizeof(pdcp_data_ind_header_t)]), hdr->data_size);
} else {
ret = write(nas_sock_fd[ue_id_g], &(sdu_p->data[sizeof(pdcp_data_ind_header_t)]), hdr->data_size);
}
else
{
ret = write(nas_sock_fd[ue_id_g], &(sdu_p->data[sizeof(pdcp_data_ind_header_t)]),sizeToWrite );
}
//LOG_I(PDCP,"[PDCP_FIFOS] ret %d TRIED TO PUSH DATA TO rb_id %d handle %d sizeToWrite %d\n",ret,rb_id,nas_sock_fd[ctxt_pP->module_id],sizeToWrite);
//LOG_I(PDCP,"[PDCP_FIFOS] ret %d TRIED TO PUSH DATA TO rb_id %d handle %d hdr->data_size %d\n",ret,rb_id,nas_sock_fd[ctxt_pP->module_id],hdr->data_size);
}
} else if (ENB_NAS_USE_TUN) {
#if defined(ENABLE_PDCP_PAYLOAD_DEBUG)
LOG_I(PHY, "PDCP output to be sent to TUN interface: \n");
for (int i = sizeof(pdcp_data_ind_header_t); i < sizeToWrite; i++) {
printf("%02x ",(unsigned char)sdu_p->data[i]);
for (int i = 0; i < hdr->data_size; i++) {
printf("%02x ",(unsigned char)sdu_p->data[i + sizeof(pdcp_data_ind_header_t)]);
}
printf("\n");
#endif
ret = write(nas_sock_fd[0], &(sdu_p->data[sizeof(pdcp_data_ind_header_t)]), sizeToWrite);
ret = write(nas_sock_fd[0], &(sdu_p->data[sizeof(pdcp_data_ind_header_t)]), hdr->data_size);
} else if (PDCP_USE_NETLINK) {
memcpy(NLMSG_DATA(nas_nlh_tx), (uint8_t *) sdu_p->data, sizeToWrite);
nas_nlh_tx->nlmsg_len = sizeToWrite;
memcpy(NLMSG_DATA(nas_nlh_tx), (uint8_t *) sdu_p->data, sizeof (pdcp_data_ind_header_t) + hdr->data_size);
nas_nlh_tx->nlmsg_len = sizeof (pdcp_data_ind_header_t) + hdr->data_size;
ret = sendmsg(nas_sock_fd[0],&nas_msg_tx,0);
} // PDCP_USE_NETLINK
@@ -691,12 +689,11 @@ void pdcp_fifo_read_input_sdus_frompc5s (const protocol_ctxt_t *const ctxt_pP)
memset(receive_buf, 0, BUFSIZE);
bytes_received = recvfrom(pdcp_pc5_sockfd, receive_buf, BUFSIZE, MSG_TRUNC,
(struct sockaddr *) &prose_pdcp_addr, (socklen_t *)&prose_addr_len);
if (bytes_received == -1){
if (bytes_received == -1) {
LOG_E(PDCP, "%s(%d). recvfrom failed. %s\n", __FUNCTION__, __LINE__, strerror(errno));
return;
}
if (bytes_received == 0){
if (bytes_received == 0) {
LOG_E(PDCP, "%s(%d). EOF pdcp_pc5_sockfd.\n", __FUNCTION__, __LINE__);
}
if (bytes_received > BUFSIZE) {