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srsLTE
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Added s1ap_tx_pdu function. This function will record to pcap if PCAP is enabled.

This commit is contained in:
Pedro Alvarez 2018-07-10 15:18:31 +01:00
parent b89ad628e2
commit 151efc61d5
3 changed files with 28 additions and 21 deletions
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1
srsepc/hdr/mme/s1ap.h
View File

@ -67,6 +67,7 @@ public:
void delete_enb_ctx(int32_t assoc_id);
bool s1ap_tx_pdu(srslte::byte_buffer_t *pdu, struct sctp_sndrcvinfo *enb_sri);
bool handle_s1ap_rx_pdu(srslte::byte_buffer_t *pdu, struct sctp_sndrcvinfo *enb_sri);
bool handle_initiating_message(LIBLTE_S1AP_INITIATINGMESSAGE_STRUCT *msg, struct sctp_sndrcvinfo *enb_sri);
bool handle_successful_outcome(LIBLTE_S1AP_SUCCESSFULOUTCOME_STRUCT *msg);

28
srsepc/src/mme/s1ap.cc
View File

@ -209,6 +209,22 @@ s1ap::enb_listen()
return sock_fd;
}
bool
s1ap::s1ap_tx_pdu(srslte::byte_buffer_t *pdu, struct sctp_sndrcvinfo *enb_sri)
{
ssize_t n_sent = sctp_send(m_s1mme, pdu->msg, pdu->N_bytes, enb_sri, 0);
if(n_sent == -1)
{
m_s1ap_log->console("Failed to send S1AP PDU.\n");
m_s1ap_log->error("Failed to send S1AP PDU. \n");
return false;
}
if(m_pcap_enable)
{
m_pcap.write_s1ap(pdu->msg,pdu->N_bytes);
}
return true;
}
bool
s1ap::handle_s1ap_rx_pdu(srslte::byte_buffer_t *pdu, struct sctp_sndrcvinfo *enb_sri)
@ -251,6 +267,7 @@ s1ap::handle_initiating_message(LIBLTE_S1AP_INITIATINGMESSAGE_STRUCT *msg, stru
{
bool reply_flag = false;
srslte::byte_buffer_t * reply_buffer = m_pool->allocate();
bool ret = false;
switch(msg->choice_type) {
case LIBLTE_S1AP_INITIATINGMESSAGE_CHOICE_S1SETUPREQUEST:
@ -276,17 +293,10 @@ s1ap::handle_initiating_message(LIBLTE_S1AP_INITIATINGMESSAGE_STRUCT *msg, stru
//Send Reply to eNB
if(reply_flag == true)
{
ssize_t n_sent = sctp_send(m_s1mme,reply_buffer->msg, reply_buffer->N_bytes, enb_sri, 0);
if(n_sent == -1)
{
m_s1ap_log->console("Failed to send S1AP Initiating Reply.\n");
m_s1ap_log->error("Failed to send S1AP Initiating Reply. \n");
m_pool->deallocate(reply_buffer);
return false;
}
ret = s1ap_tx_pdu(reply_buffer, enb_sri);
}
m_pool->deallocate(reply_buffer);
return true;
return ret;
}
bool

12
srsepc/src/mme/s1ap_ctx_mngmt_proc.cc
View File

@ -178,11 +178,9 @@ s1ap_ctx_mngmt_proc::send_initial_context_setup_request(ue_emm_ctx_t *emm_ctx,
return false;
}
//Send Reply to eNB
ssize_t n_sent = sctp_send(s1mme,reply_buffer->msg, reply_buffer->N_bytes, &ecm_ctx->enb_sri, 0);
if(n_sent == -1)
if(!m_s1ap->s1ap_tx_pdu(reply_buffer,&ecm_ctx->enb_sri))
{
m_s1ap_log->error("Failed to send Initial Context Setup Request\n");
m_s1ap_log->error("Error sending Initial Context Setup Request.\n");
return false;
}
@ -345,14 +343,12 @@ s1ap_ctx_mngmt_proc::send_ue_context_release_command(ue_ecm_ctx_t *ecm_ctx, srsl
return false;
}
//Send Reply to eNB
int n_sent = sctp_send(s1mme,reply_buffer->msg, reply_buffer->N_bytes, &ecm_ctx->enb_sri, 0);
if(n_sent == -1)
if(!m_s1ap->s1ap_tx_pdu(reply_buffer,&ecm_ctx->enb_sri))
{
m_s1ap_log->error("Failed to send Initial Context Setup Request\n");
m_s1ap_log->error("Error sending UE Context Release command.\n");
return false;
}
return true;
}