Correctly link function

ran_func_kpm.c uses cp_ba_to_str(), but it is not defined in OAI. Define
it so we can link properly, instead of relying on FlexRIC (where it was
defined).

common/utils/ds/byte_array.c

@@ -72,3 +72,17 @@ byte_array_t cp_str_to_ba(const char* str)
 
   return dst;
 }
+
+char* cp_ba_to_str(const byte_array_t ba)
+{
+  assert(ba.len > 0);
+
+  const size_t sz = ba.len;
+  char* str = calloc(sz+1, sizeof(char));
+  assert(str != NULL && "Memory exhausted");
+
+  memcpy(str, ba.buf, sz);
+  str[sz] = '\0';
+
+  return str;
+}

common/utils/ds/byte_array.h

@@ -42,5 +42,6 @@ void free_byte_array(byte_array_t ba);
 bool eq_byte_array(const byte_array_t* m0, const byte_array_t* m1);
 
 byte_array_t cp_str_to_ba(const char* str);
+char* cp_ba_to_str(const byte_array_t ba);
 
 #endif

openair2/E2AP/RAN_FUNCTION/CMakeLists.txt

@@ -12,7 +12,7 @@ add_library(e2_ran_func_cuup STATIC
             ../flexric/test/rnd/fill_rnd_data_tc.c
             )
 
-target_link_libraries(e2_ran_func_cuup PUBLIC asn1_nr_rrc nr_rrc asn1_nr_rrc_hdrs e2_time_obj kpm_ric_info_common_obj 3gpp_derived_ie_obj sm_common_ie_obj)
+target_link_libraries(e2_ran_func_cuup PUBLIC asn1_nr_rrc nr_rrc asn1_nr_rrc_hdrs e2_time_obj kpm_ric_info_common_obj 3gpp_derived_ie_obj sm_common_ie_obj ds)
 target_compile_definitions(e2_ran_func_cuup PUBLIC ${E2AP_VERSION}  ${KPM_VERSION}  NGRAN_GNB_CUUP)
 
 
@@ -35,7 +35,7 @@ add_library(e2_ran_func_du_cucp_cuup STATIC
             ../flexric/test/rnd/fill_rnd_data_tc.c
             )
 
-target_link_libraries(e2_ran_func_du_cucp_cuup PUBLIC asn1_nr_rrc nr_rrc asn1_nr_rrc_hdrs e2_time_obj kpm_ric_info_common_obj 3gpp_derived_ie_obj e2sm_rc_ir_obj sm_common_ie_obj)
+target_link_libraries(e2_ran_func_du_cucp_cuup PUBLIC asn1_nr_rrc nr_rrc asn1_nr_rrc_hdrs e2_time_obj kpm_ric_info_common_obj 3gpp_derived_ie_obj e2sm_rc_ir_obj sm_common_ie_obj ds)
 target_compile_definitions(e2_ran_func_du_cucp_cuup PUBLIC ${E2AP_VERSION}  ${KPM_VERSION} NGRAN_GNB_DU NGRAN_GNB_CUCP NGRAN_GNB_CUUP)
 
 # Current implementation:

openair2/E2AP/RAN_FUNCTION/O-RAN/ran_func_kpm.c

@@ -23,6 +23,7 @@
 #include "ran_func_kpm_subs.h"
 #include "ran_e2sm_ue_id.h"
 
+#include "common/utils/ds/byte_array.h"
 #include "openair2/E1AP/e1ap_common.h"
 #include "openair2/E2AP/flexric/src/util/time_now_us.h"
 #include "openair2/F1AP/f1ap_ids.h"