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[CSFB] Create a state machine

This commit is contained in:
Sukchan Lee 2019-06-16 15:40:26 +09:00
parent 1f838c0f68
commit fa81c86e22
10 changed files with 608 additions and 42 deletions
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8
src/mme/Makefile.am
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@ -5,8 +5,9 @@ noinst_LTLIBRARIES = libmme.la
libmme_la_SOURCES = \
mme-kdf.h kasumi.h snow-3g.h zuc.h \
mme-event.h mme-context.h \
s1ap-build.h s1ap-handler.h s1ap-conv.h s1ap-path.h \
ogs-sctp.h \
s1ap-build.h s1ap-handler.h s1ap-conv.h s1ap-path.h \
sgsap-path.h \
mme-fd-path.h mme-s6a-handler.h \
nas-conv.h nas-security.h nas-path.h \
emm-handler.h emm-build.h \
@ -15,8 +16,9 @@ libmme_la_SOURCES = \
mme-sm.h mme-path.h \
mme-kdf.c kasumi.c snow-3g.c zuc.c \
mme-init.c mme-event.c mme-context.c \
s1ap-sm.c s1ap-build.c s1ap-handler.c s1ap-conv.c s1ap-path.c \
ogs-sctp.c \
s1ap-sm.c s1ap-build.c s1ap-handler.c s1ap-conv.c s1ap-path.c \
sgsap-sm.c sgsap-path.c \
mme-fd-path.c mme-s6a-handler.c \
nas-conv.c nas-security.c nas-path.c \
emm-sm.c emm-handler.c emm-build.c \
@ -27,7 +29,7 @@ libmme_la_SOURCES = \
$(NULL)
if WITH_USRSCTP
libmme_la_SOURCES += ogs-usrsctp.c s1ap-usrpath.c
libmme_la_SOURCES += ogs-usrsctp.c s1ap-usrpath.c sgsap-usrpath.c
else
libmme_la_SOURCES += ogs-lksctp.c s1ap-lkpath.c
endif

33
src/mme/mme-context.c
View File

@ -1174,9 +1174,10 @@ int mme_context_parse_config()
plmn_id_build(&plmn_id,
atoi(mcc), atoi(mnc), strlen(mnc));
nas_from_plmn_id(&vlr->nas_plmn_id, &plmn_id);
vlr->tac = atoi(tac);
vlr->lac = atoi(lac);
nas_from_plmn_id(&vlr->tai.plmn_id, &plmn_id);
vlr->tai.tac = atoi(tac);
nas_from_plmn_id(&vlr->lai.plmn_id, &plmn_id);
vlr->lai.lac = atoi(lac);
} while (ogs_yaml_iter_type(&sgsap_array) ==
YAML_SEQUENCE_NODE);
} else
@ -1552,6 +1553,32 @@ void mme_vlr_remove_all()
mme_vlr_remove(vlr);
}
mme_vlr_t *mme_vlr_find_by_tai(nas_tai_t *tai)
{
mme_vlr_t *vlr = NULL;
ogs_assert(tai);
ogs_list_for_each(&self.vlr_list, vlr) {
if (memcmp(&vlr->tai, tai, sizeof *tai) == 0)
return vlr;
}
return NULL;
}
mme_vlr_t *mme_vlr_find_by_lai(nas_lai_t *lai)
{
mme_vlr_t *vlr = NULL;
ogs_assert(lai);
ogs_list_for_each(&self.vlr_list, vlr) {
if (memcmp(&vlr->lai, lai, sizeof *lai) == 0)
return vlr;
}
return NULL;
}
mme_enb_t *mme_enb_add(ogs_sock_t *sock, ogs_sockaddr_t *addr)
{
mme_enb_t *enb = NULL;

7
src/mme/mme-context.h
View File

@ -169,9 +169,8 @@ typedef struct mme_pgw_s {
typedef struct mme_vlr_s {
ogs_lnode_t lnode;
nas_plmn_id_t nas_plmn_id;
uint16_t tac;
uint16_t lac;
nas_tai_t tai;
nas_lai_t lai;
ogs_socknode_t *node;
} mme_vlr_t;
@ -546,6 +545,8 @@ ogs_sockaddr_t *mme_pgw_addr_find_by_apn(
mme_vlr_t *mme_vlr_add(ogs_sockaddr_t *addr);
void mme_vlr_remove(mme_vlr_t *vlr);
void mme_vlr_remove_all();
mme_vlr_t *mme_vlr_find_by_tai(nas_tai_t *tai);
mme_vlr_t *mme_vlr_find_by_lai(nas_lai_t *lai);
mme_enb_t *mme_enb_add(ogs_sock_t *sock, ogs_sockaddr_t *addr);
int mme_enb_remove(mme_enb_t *enb);

78
src/mme/mme-event.c
View File

@ -1,3 +1,22 @@
/*
* Copyright (C) 2019 by Sukchan Lee <acetcom@gmail.com>
*
* This file is part of Open5GS.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "mme-event.h"
#include "mme-context.h"
@ -72,38 +91,41 @@ const char *mme_event_get_name(mme_event_t *e)
if (e == NULL)
return OGS_FSM_NAME_INIT_SIG;
switch (e->id)
{
case OGS_FSM_ENTRY_SIG:
return OGS_FSM_NAME_ENTRY_SIG;
case OGS_FSM_EXIT_SIG:
return OGS_FSM_NAME_EXIT_SIG;
switch (e->id) {
case OGS_FSM_ENTRY_SIG:
return OGS_FSM_NAME_ENTRY_SIG;
case OGS_FSM_EXIT_SIG:
return OGS_FSM_NAME_EXIT_SIG;
case MME_EVT_S1AP_MESSAGE:
return "MME_EVT_S1AP_MESSAGE";
case MME_EVT_S1AP_DELAYED_SEND:
return "MME_EVT_S1AP_DELAYED_SEND";
case MME_EVT_S1AP_LO_ACCEPT:
return "MME_EVT_S1AP_LO_ACCEPT";
case MME_EVT_S1AP_LO_SCTP_COMM_UP:
return "MME_EVT_S1AP_LO_SCTP_COMM_UP";
case MME_EVT_S1AP_LO_CONNREFUSED:
return "MME_EVT_S1AP_LO_CONNREFUSED";
case MME_EVT_S1AP_MESSAGE:
return "MME_EVT_S1AP_MESSAGE";
case MME_EVT_S1AP_DELAYED_SEND:
return "MME_EVT_S1AP_DELAYED_SEND";
case MME_EVT_S1AP_LO_ACCEPT:
return "MME_EVT_S1AP_LO_ACCEPT";
case MME_EVT_S1AP_LO_SCTP_COMM_UP:
return "MME_EVT_S1AP_LO_SCTP_COMM_UP";
case MME_EVT_S1AP_LO_CONNREFUSED:
return "MME_EVT_S1AP_LO_CONNREFUSED";
case MME_EVT_EMM_MESSAGE:
return "MME_EVT_EMM_MESSAGE";
case MME_EVT_EMM_MESSAGE:
return "MME_EVT_EMM_MESSAGE";
case MME_EVT_ESM_MESSAGE:
return "MME_EVT_ESM_MESSAGE";
case MME_EVT_S11_MESSAGE:
return "MME_EVT_S11_MESSAGE";
case MME_EVT_S6A_MESSAGE:
return "MME_EVT_S6A_MESSAGE";
case MME_EVT_ESM_MESSAGE:
return "MME_EVT_ESM_MESSAGE";
case MME_EVT_SGSAP_MESSAGE:
return "MME_EVT_SGSAP_MESSAGE";
case MME_EVT_SGSAP_LO_WILL_CONNECT:
return "MME_EVT_SGSAP_LO_WILL_CONNECT";
case MME_EVT_SGSAP_LO_CONNECTED:
return "MME_EVT_SGSAP_LO_CONNECTED";
case MME_EVT_S11_MESSAGE:
return "MME_EVT_S11_MESSAGE";
case MME_EVT_S6A_MESSAGE:
return "MME_EVT_S6A_MESSAGE";
default:
break;
default:
break;
}
return "UNKNOWN_EVENT";

33
src/mme/mme-event.h
View File

@ -1,11 +1,30 @@
#ifndef __MME_EVENT_H__
#define __MME_EVENT_H__
/*
* Copyright (C) 2019 by Sukchan Lee <acetcom@gmail.com>
*
* This file is part of Open5GS.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef MME_EVENT_H
#define MME_EVENT_H
#include "ogs-core.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif
/* forward declaration */
typedef enum {
@ -22,6 +41,10 @@ typedef enum {
MME_EVT_S11_MESSAGE,
MME_EVT_S6A_MESSAGE,
MME_EVT_SGSAP_MESSAGE,
MME_EVT_SGSAP_LO_WILL_CONNECT,
MME_EVT_SGSAP_LO_CONNECTED,
MME_EVT_TOP,
} mme_event_e;
@ -72,6 +95,6 @@ const char *mme_event_get_name(mme_event_t *e);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif
#endif /* __MME_EVENT_H__ */
#endif /* MME_EVENT_H */

6
src/mme/mme-sm.h
View File

@ -54,6 +54,12 @@ void esm_state_pdn_did_disconnect(ogs_fsm_t *s, mme_event_t *e);
void esm_state_bearer_deactivated(ogs_fsm_t *s, mme_event_t *e);
void esm_state_exception(ogs_fsm_t *s, mme_event_t *e);
void sgsap_state_initial(ogs_fsm_t *s, mme_event_t *e);
void sgsap_state_final(ogs_fsm_t *s, mme_event_t *e);
void sgsap_state_will_connect(ogs_fsm_t *s, mme_event_t *e);
void sgsap_state_connected(ogs_fsm_t *s, mme_event_t *e);
void sgsap_state_exception(ogs_fsm_t *s, mme_event_t *e);
#define mme_sm_debug(__pe) \
ogs_debug("%s(): %s\n", __func__, mme_event_get_name(__pe))

101
src/mme/sgsap-path.c Normal file
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@ -0,0 +1,101 @@
/*
* Copyright (C) 2019 by Sukchan Lee <acetcom@gmail.com>
*
* This file is part of Open5GS.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "ogs-sctp.h"
#include "sgsap-path.h"
int sgsap_open()
{
return OGS_OK;
}
void sgsap_close()
{
}
int sgsap_send(ogs_sock_t *sock, ogs_pkbuf_t *pkbuf,
ogs_sockaddr_t *addr, uint16_t stream_no)
{
int sent;
ogs_assert(sock);
ogs_assert(pkbuf);
sent = ogs_sctp_sendmsg(sock, pkbuf->data, pkbuf->len,
addr, SCTP_SGSAP_PPID, stream_no);
if (sent < 0 || sent != pkbuf->len) {
ogs_error("ogs_sctp_sendmsg error (%d:%s)", errno, strerror(errno));
return OGS_ERROR;
}
ogs_pkbuf_free(pkbuf);
return OGS_OK;
}
int sgsap_recv(ogs_sock_t *sock, ogs_pkbuf_t *pkbuf)
{
int size;
ogs_assert(sock);
ogs_assert(pkbuf);
size = ogs_sctp_recvdata(sock, pkbuf->data, MAX_SDU_LEN, NULL, NULL);
if (size <= 0) {
ogs_error("sgsap_recv() failed");
return OGS_ERROR;
}
ogs_pkbuf_trim(pkbuf, size);
return OGS_OK;;
}
int sgsap_send_to_vlr(mme_vlr_t *vlr, ogs_pkbuf_t *pkbuf, uint16_t stream_no)
{
char buf[OGS_ADDRSTRLEN];
ogs_socknode_t *node = NULL;;
ogs_sock_t *sock = NULL;;
int rv;
ogs_assert(vlr);
ogs_assert(pkbuf);
node = vlr->node;
ogs_assert(node);
sock = node->sock;
ogs_assert(sock);
ogs_debug(" IP[%s] TAI[MCC:%d%d%d,MNC:%d%d%d,TAC:%d]",
OGS_ADDR(node->addr, buf),
vlr->tai.plmn_id.mcc1, vlr->tai.plmn_id.mcc2, vlr->tai.plmn_id.mcc3,
vlr->tai.plmn_id.mnc1, vlr->tai.plmn_id.mnc2, vlr->tai.plmn_id.mnc3,
vlr->tai.tac);
ogs_debug(" LAI[MCC:%d%d%d,MNC:%d%d%d,TAC:%d]",
vlr->lai.plmn_id.mcc1, vlr->lai.plmn_id.mcc2, vlr->lai.plmn_id.mcc3,
vlr->lai.plmn_id.mnc1, vlr->lai.plmn_id.mnc2, vlr->lai.plmn_id.mnc3,
vlr->lai.lac);
rv = sgsap_send(sock, pkbuf, NULL, stream_no);
if (rv != OGS_OK) {
ogs_error("sgsap_send() failed");
ogs_pkbuf_free(pkbuf);
}
return OGS_OK;;
}

45
src/mme/sgsap-path.h Normal file
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@ -0,0 +1,45 @@
/*
* Copyright (C) 2019 by Sukchan Lee <acetcom@gmail.com>
*
* This file is part of Open5GS.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef SGSAP_PATH_H
#define SGSAP_PATH_H
#include "mme-context.h"
#ifdef __cplusplus
extern "C" {
#endif
int sgsap_open(void);
void sgsap_close(void);
ogs_sock_t *sgsap_client(ogs_socknode_t *node);
void sgsap_recv_handler(short when, ogs_socket_t fd, void *data);
int sgsap_send(ogs_sock_t *sock,
ogs_pkbuf_t *pkbuf, ogs_sockaddr_t *addr, uint16_t stream_no);
int sgsap_recv(ogs_sock_t *sock, ogs_pkbuf_t *pkbuf);
int sgsap_send_to_vlr(mme_vlr_t *vlr, ogs_pkbuf_t *pkb, uint16_t stream_no);
#ifdef __cplusplus
}
#endif
#endif /* SGSAP_PATH_H */

96
src/mme/sgsap-sm.c Normal file
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@ -0,0 +1,96 @@
/*
* Copyright (C) 2019 by Sukchan Lee <acetcom@gmail.com>
*
* This file is part of Open5GS.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "mme-event.h"
#include "mme-sm.h"
void sgsap_state_initial(ogs_fsm_t *s, mme_event_t *e)
{
ogs_assert(s);
mme_sm_debug(e);
OGS_FSM_TRAN(s, &sgsap_state_will_connect);
}
void sgsap_state_final(ogs_fsm_t *s, mme_event_t *e)
{
ogs_assert(s);
mme_sm_debug(e);
}
void sgsap_state_will_connect(ogs_fsm_t *s, mme_event_t *e)
{
ogs_assert(s);
ogs_assert(e);
mme_sm_debug(e);
switch (e->id) {
case OGS_FSM_ENTRY_SIG:
break;
case OGS_FSM_EXIT_SIG:
break;
case MME_EVT_SGSAP_MESSAGE:
break;
default:
ogs_error("Unknown event %s", mme_event_get_name(e));
break;
}
}
void sgsap_state_connected(ogs_fsm_t *s, mme_event_t *e)
{
ogs_assert(s);
ogs_assert(e);
mme_sm_debug(e);
switch (e->id) {
case OGS_FSM_ENTRY_SIG:
break;
case OGS_FSM_EXIT_SIG:
break;
case MME_EVT_SGSAP_MESSAGE:
break;
default:
ogs_error("Unknown event %s", mme_event_get_name(e));
break;
}
}
void sgsap_state_exception(ogs_fsm_t *s, mme_event_t *e)
{
ogs_assert(s);
ogs_assert(e);
mme_sm_debug(e);
switch (e->id) {
case OGS_FSM_ENTRY_SIG:
break;
case OGS_FSM_EXIT_SIG:
break;
default:
ogs_error("Unknown event %s", mme_event_get_name(e));
break;
}
}

243
src/mme/sgsap-usrpath.c Normal file
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@ -0,0 +1,243 @@
/*
* Copyright (C) 2019 by Sukchan Lee <acetcom@gmail.com>
*
* This file is part of Open5GS.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "ogs-sctp.h"
#include "app/context.h"
#include "sgsap-path.h"
int sgsap_usrsctp_recv_handler(struct socket *sock,
union sctp_sockstore addr, void *data, size_t datalen,
struct sctp_rcvinfo rcv, int flags, void *ulp_info);
#if 0
static ogs_sockaddr_t *usrsctp_remote_addr(union sctp_sockstore *store);
#endif
ogs_sock_t *sgsap_client(ogs_socknode_t *node)
{
char buf[OGS_ADDRSTRLEN];
ogs_sock_t *sock = NULL;
ogs_assert(node);
ogs_socknode_sctp_option(node, &context_self()->config.sockopt);
ogs_socknode_set_poll(node, mme_self()->pollset,
OGS_POLLIN, sgsap_usrsctp_recv_handler, node);
sock = ogs_sctp_client(SOCK_STREAM, node);
ogs_assert(sock);
ogs_info("sgsap_client() [%s]:%d",
OGS_ADDR(node->addr, buf), OGS_PORT(node->addr));
return sock;
}
void sgsap_recv_handler(short when, ogs_socket_t fd, void *data)
{
/* At this point, nextepc does not use SOCK_STREAM in libusrsctp */
ogs_assert_if_reached();
}
int sgsap_usrsctp_recv_handler(struct socket *sock,
union sctp_sockstore store, void *data, size_t datalen,
struct sctp_rcvinfo rcv, int flags, void *ulp_info)
{
if (data) {
#if 0
int rv;
mme_event_t *e = NULL;
if (flags & MSG_NOTIFICATION) {
union sctp_notification *not = (union sctp_notification *)data;
if (not->sn_header.sn_length == (uint32_t)datalen) {
switch(not->sn_header.sn_type) {
case SCTP_ASSOC_CHANGE :
{
ogs_debug("SCTP_ASSOC_CHANGE:"
"[T:%d, F:0x%x, S:%d, I/O:%d/%d]",
not->sn_assoc_change.sac_type,
not->sn_assoc_change.sac_flags,
not->sn_assoc_change.sac_state,
not->sn_assoc_change.sac_inbound_streams,
not->sn_assoc_change.sac_outbound_streams);
if (not->sn_assoc_change.sac_state ==
SCTP_SHUTDOWN_COMP ||
not->sn_assoc_change.sac_state ==
SCTP_COMM_LOST) {
ogs_sockaddr_t *addr =
usrsctp_remote_addr(&store);
ogs_assert(addr);
if (not->sn_assoc_change.sac_state ==
SCTP_SHUTDOWN_COMP)
ogs_debug("SCTP_SHUTDOWN_COMP");
if (not->sn_assoc_change.sac_state ==
SCTP_COMM_LOST)
ogs_debug("SCTP_COMM_LOST");
e = mme_event_new(MME_EVT_S1AP_LO_CONNREFUSED);
ogs_assert(e);
e->enb_sock = (ogs_sock_t *)sock;
e->enb_addr = addr;
rv = ogs_queue_push(mme_self()->queue, e);
if (rv != OGS_OK) {
ogs_warn("ogs_queue_push() failed:%d", (int)rv);
ogs_free(e->enb_addr);
mme_event_free(e);
} else {
ogs_pollset_notify(mme_self()->pollset);
}
} else if (not->sn_assoc_change.sac_state == SCTP_COMM_UP) {
ogs_sockaddr_t *addr =
usrsctp_remote_addr(&store);
ogs_assert(addr);
ogs_debug("SCTP_COMM_UP");
e = mme_event_new(MME_EVT_S1AP_LO_SCTP_COMM_UP);
ogs_assert(e);
e->enb_sock = (ogs_sock_t *)sock;
e->enb_addr = addr;
e->inbound_streams =
not->sn_assoc_change.sac_inbound_streams;
e->outbound_streams =
not->sn_assoc_change.sac_outbound_streams;
rv = ogs_queue_push(mme_self()->queue, e);
if (rv != OGS_OK) {
ogs_warn("ogs_queue_push() failed:%d", (int)rv);
ogs_free(e->enb_addr);
mme_event_free(e);
} else {
ogs_pollset_notify(mme_self()->pollset);
}
}
break;
}
case SCTP_SHUTDOWN_EVENT :
{
ogs_sockaddr_t *addr = usrsctp_remote_addr(&store);
ogs_assert(addr);
ogs_debug("SCTP_SHUTDOWN_EVENT:"
"[T:0x%x, F:0x%x, L:0x%x]",
not->sn_shutdown_event.sse_type,
not->sn_shutdown_event.sse_flags,
not->sn_shutdown_event.sse_length);
e = mme_event_new(MME_EVT_S1AP_LO_CONNREFUSED);
ogs_assert(e);
e->enb_sock = (ogs_sock_t *)sock;
e->enb_addr = addr;
rv = ogs_queue_push(mme_self()->queue, e);
if (rv != OGS_OK) {
ogs_warn("ogs_queue_push() failed:%d", (int)rv);
ogs_free(e->enb_addr);
mme_event_free(e);
} else {
ogs_pollset_notify(mme_self()->pollset);
}
break;
}
case SCTP_PEER_ADDR_CHANGE:
ogs_warn("SCTP_PEER_ADDR_CHANGE:"
"[T:%d, F:0x%x, S:%d]",
not->sn_paddr_change.spc_type,
not->sn_paddr_change.spc_flags,
not->sn_paddr_change.spc_error);
break;
case SCTP_REMOTE_ERROR:
ogs_warn("SCTP_REMOTE_ERROR:[T:%d, F:0x%x, S:%d]",
not->sn_remote_error.sre_type,
not->sn_remote_error.sre_flags,
not->sn_remote_error.sre_error);
break;
case SCTP_SEND_FAILED :
ogs_error("SCTP_SEND_FAILED:[T:%d, F:0x%x, S:%d]",
not->sn_send_failed_event.ssfe_type,
not->sn_send_failed_event.ssfe_flags,
not->sn_send_failed_event.ssfe_error);
break;
default :
ogs_error("Discarding event with "
"unknown flags:0x%x type:0x%x",
flags, not->sn_header.sn_type);
break;
}
}
} else if (flags & MSG_EOR) {
ogs_pkbuf_t *pkbuf;
ogs_sockaddr_t *addr = NULL;
pkbuf = ogs_pkbuf_alloc(NULL, MAX_SDU_LEN);
ogs_pkbuf_put_data(pkbuf, data, datalen);
addr = usrsctp_remote_addr(&store);
ogs_assert(addr);
e = mme_event_new(MME_EVT_S1AP_MESSAGE);
ogs_assert(e);
e->enb_sock = (ogs_sock_t *)sock;
e->enb_addr = addr;
e->pkbuf = pkbuf;
rv = ogs_queue_push(mme_self()->queue, e);
if (rv != OGS_OK) {
ogs_warn("ogs_queue_push() failed:%d", (int)rv);
ogs_free(e->enb_addr);
ogs_pkbuf_free(e->pkbuf);
mme_event_free(e);
} else {
ogs_pollset_notify(mme_self()->pollset);
}
} else {
ogs_error("Not engough buffer. Need more recv : 0x%x", flags);
}
#endif
free(data);
}
return (1);
}
#if 0
static ogs_sockaddr_t *usrsctp_remote_addr(union sctp_sockstore *store)
{
ogs_sockaddr_t *addr = NULL;
ogs_assert(store);
addr = ogs_calloc(1, sizeof(ogs_sockaddr_t));
ogs_assert(addr);
addr->ogs_sa_family = store->sin.sin_family;
switch(addr->ogs_sa_family) {
case AF_INET:
memcpy(&addr->sin, &store->sin, sizeof(struct sockaddr_in));
break;
case AF_INET6:
memcpy(&addr->sin6, &store->sin6, sizeof(struct sockaddr_in6));
break;
default:
ogs_assert_if_reached();
}
return addr;
}
#endif