example config: some thoughs about static profiles

Allow to attach with default bearer without mongodb. No secondary bearer or IMS is supported
right now.

configs/open5gs/pcrf.yaml.in

@@ -1,5 +1,36 @@
 db_uri: mongodb://localhost/open5gs
-
+db_json:
+  default:
+    af:
+      ambr:
+        up: 10000
+        down: 10000
+      gmbr:
+        up: 1000
+        down: 1000
+      qci: 4
+    normal:
+      ambr:
+        up: 10000
+        down: 10000
+      gmbr:
+        up: 10000
+        down: 10000
+      qci: 5
+  charging_profiles:
+    af:
+      - 1
+      - 2
+      - 3
+      - 4
+    normal:
+      - 1
+      - 2
+      - 3
+      - 4
+    dir:
+      normal: "/tmp/profiles"
+      af: "/tmp/profiles_af"
 #
 # logger:
 #

lib/dbi/ims.c

@@ -19,6 +19,7 @@
 
 #include "ogs-dbi.h"
 
+#ifdef OGS_DBI_WITH_MONGODB
 int ogs_dbi_msisdn_data(
         char *imsi_or_msisdn_bcd, ogs_msisdn_data_t *msisdn_data)
 {
@@ -212,3 +213,15 @@ out:
 
     return rv;
 }
+#else /* OGS_DBI_WITH_MONGODB */
+int ogs_dbi_msisdn_data(
+        char *imsi_or_msisdn_bcd, ogs_msisdn_data_t *msisdn_data)
+{
+    return OGS_ERROR;
+}
+
+int ogs_dbi_ims_data(char *supi, ogs_ims_data_t *ims_data)
+{
+    return OGS_ERROR;
+}
+#endif

lib/dbi/meson.build

@@ -25,9 +25,6 @@ libdbi_sources = files('''
     session.c
     ims.c
 '''.split())
-
-libmongoc_dep = dependency('libmongoc-1.0')
-
 libdbi_inc = include_directories('.')
 
 libdbi = library('ogsdbi',
@@ -35,10 +32,10 @@ libdbi = library('ogsdbi',
     version : libogslib_version,
     c_args : '-DOGS_DBI_COMPILATION',
     include_directories : [libdbi_inc, libinc],
-    dependencies : [libcrypt_dep, libmongoc_dep],
+    dependencies : [libcrypt_dep],
     install : true)
 
 libdbi_dep = declare_dependency(
     link_with : libdbi,
     include_directories : [libdbi_inc, libinc],
-    dependencies : [libcrypt_dep, libmongoc_dep])
+    dependencies : [libcrypt_dep])

lib/dbi/ogs-mongoc.c

@@ -17,12 +17,14 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-#include <mongoc.h>
-
 #include "ogs-dbi.h"
 
 int __ogs_dbi_domain;
 
+#ifdef OGS_DBI_WITH_MONGODB
+#include <mongoc.h>
+
+
 static ogs_mongoc_t self;
 
 /*
@@ -184,3 +186,28 @@ void ogs_dbi_final()
 
     ogs_mongoc_final();
 }
+
+#else /* OGS_DBI_WITH_MONGODB */
+int ogs_mongoc_init(const char *db_uri)
+{
+    return OGS_ERROR;
+}
+
+void ogs_mongoc_final(void)
+{
+}
+
+ogs_mongoc_t *ogs_mongoc(void)
+{
+    return NULL;
+}
+
+int ogs_dbi_init(const char *db_uri)
+{
+    return OGS_OK;
+}
+
+void ogs_dbi_final()
+{
+}
+#endif

lib/dbi/ogs-mongoc.h

@@ -24,8 +24,6 @@
 #ifndef OGS_MONGOC_H
 #define OGS_MONGOC_H
 
-#include <mongoc.h>
-
 #ifdef __cplusplus
 extern "C" {
 #endif /* __cplusplus */

lib/dbi/session.c

@@ -19,6 +19,7 @@
 
 #include "ogs-dbi.h"
 
+#ifdef OGS_DBI_WITH_MONGODB
 int ogs_dbi_session_data(char *supi, ogs_s_nssai_t *s_nssai, char *dnn,
         ogs_session_data_t *session_data)
 {
@@ -500,3 +501,27 @@ out:
 
     return rv;
 }
+
+#else /* OGS_DBI_WITH_MONGODB */
+
+int ogs_dbi_session_data(char *supi, ogs_s_nssai_t *s_nssai, char *dnn,
+        ogs_session_data_t *session_data)
+{
+	ogs_session_t *session = &session_data->session;
+	ogs_qos_t *qos = &session->qos;
+
+	session->name = ogs_strndup("staticprof", strlen("foobar"));
+	/* check if have to set type */
+	session->ambr.downlink = 300 * 1024 * 1024;
+	session->ambr.uplink = 150 * 1024 * 1024;
+
+	session->qos.index = OGS_QOS_INDEX_5;
+	session->qos.arp.priority_level = 1;
+	session->qos.mbr.downlink = 10;
+	session->qos.mbr.uplink = 10;
+	session->qos.gbr.downlink = 10;
+	session->qos.gbr.uplink = 10;
+
+    return OGS_OK;
+}
+#endif /* OGS_DBI_WITH_MONGODB */

lib/dbi/subscription.c

@@ -19,6 +19,7 @@
 
 #include "ogs-dbi.h"
 
+#ifdef OGS_DBI_WITH_MONGODB
 int ogs_dbi_auth_info(char *supi, ogs_dbi_auth_info_t *auth_info)
 {
     int rv = OGS_OK;
@@ -661,3 +662,31 @@ out:
 
     return rv;
 }
+#else
+int ogs_dbi_auth_info(char *supi, ogs_dbi_auth_info_t *auth_info)
+{
+    return OGS_ERROR;
+}
+
+int ogs_dbi_update_sqn(char *supi, uint64_t sqn)
+{
+    return OGS_ERROR;
+}
+
+int ogs_dbi_update_imeisv(char *supi, char *imeisv)
+{
+    return OGS_ERROR;
+}
+
+int ogs_dbi_increment_sqn(char *supi)
+{
+	return OGS_ERROR;
+}
+
+int ogs_dbi_subscription_data(char *supi,
+        ogs_subscription_data_t *subscription_data)
+{
+    return OGS_ERROR;
+}
+
+#endif /* OGS_DBI_WITH_MONGODB */

lib/sctp/meson.build

@@ -46,6 +46,7 @@ if host_system == 'darwin'
     libsctp_sources += files('ogs-usrsctp.c')
     libsctp_conf.set('HAVE_USRSCTP', 1)
 else
+    libsctp_conf.set('HAVE_NETINET_SCTP_H', 1)
     sctp_dep = cc.find_library('sctp', required : false)
     libsctp_sources += files('ogs-lksctp.c')
 endif

meson.build

@@ -115,7 +115,7 @@ subdir('src')
 subdir('misc')
 # Don't build the tests unless we can run them (either natively or in an exe wrapper)
 build_tests = not meson.is_cross_build() or (meson.is_cross_build() and meson.has_exe_wrapper())
-if build_tests
+if build_tests and get_option('mongodb')
     subdir('tests')
 endif
 

meson_options.txt

@@ -0,0 +1 @@
+option('mongodb', type : 'boolean', value : 'false', description : 'build with mongo db support')