Temp: Use hardcoded IPv6 Addr

src/common/utils/string.cpp

@@ -120,6 +120,25 @@ void util::ipv4v6_to_bstring(
   memcpy(str->data, bitstream_addr, sizeof(bitstream_addr));
 }
 
+void util::ipv4v6_to_bstring(
+    struct in_addr ipv4_address, std::string ipv6_address, bstring str) {
+  unsigned char bitstream_addr[12];
+  bitstream_addr[0] = (uint8_t)((ipv4_address.s_addr) & 0x000000ff);
+  bitstream_addr[1] = (uint8_t)(((ipv4_address.s_addr) & 0x0000ff00) >> 8);
+  bitstream_addr[2] = (uint8_t)(((ipv4_address.s_addr) & 0x00ff0000) >> 16);
+  bitstream_addr[3] = (uint8_t)(((ipv4_address.s_addr) & 0xff000000) >> 24);
+
+  std::string ipv6_addr = "2001:4860:4860::2";
+  unsigned char buf_in6_addr[sizeof(struct in6_addr)];
+  if (inet_pton(AF_INET6, util::trim(ipv6_addr).c_str(), buf_in6_addr) == 1) {
+    // memcpy(&p, buf_in6_addr, sizeof(struct in6_addr));
+    for (int i = 0; i <= 7; i++)
+      bitstream_addr[i + 4] = (uint8_t)(buf_in6_addr[i]);
+  }
+  str->slen = 12;
+  memcpy(str->data, bitstream_addr, sizeof(bitstream_addr));
+}
+
 void util::string_to_bstring(const std::string& str, bstring bstr) {
   //  bstr       = bfromcstralloc(str.length(), "\0");
   bstr->slen = str.length();

src/common/utils/string.hpp

@@ -49,6 +49,8 @@ void ipv4_to_bstring(struct in_addr ipv4_address, bstring str);
 void ipv6_to_bstring(struct in6_addr ipv6_address, bstring str);
 void ipv4v6_to_bstring(
     struct in_addr ipv4_address, struct in6_addr ipv6_address, bstring str);
+void ipv4v6_to_bstring(
+    struct in_addr ipv4_address, std::string ipv6_address, bstring str);
 
 void string_to_bstring(const std::string& str, bstring bstr);
 }  // namespace util

src/smf_app/smf_paa_dynamic.hpp

@@ -33,6 +33,8 @@
 #include <map>
 
 #include "logger.hpp"
+#include "string.hpp"
+#include <boost/algorithm/string.hpp>
 
 class ipv6_pool {
  public:
@@ -239,7 +241,15 @@ class paa_dynamic {
               return true;
             }
           }
-          ipv4_pools[*it4].free_address(paa.ipv4_address);
+          // ipv4_pools[*it4].free_address(paa.ipv4_address);
+          // TODO: To be fixed the error for IPv6 addr allocation, so assign a
+          // fixed IPv6 addr here!
+          std::string ipv6_addr = "2001:4860:4860::2";
+          unsigned char buf_in6_addr[sizeof(struct in6_addr)];
+          if (inet_pton(
+                  AF_INET6, util::trim(ipv6_addr).c_str(), buf_in6_addr) == 1) {
+            memcpy(&paa.ipv6_address, buf_in6_addr, sizeof(struct in6_addr));
+          }
         }
         Logger::smf_app().warn(
             "Could not get PAA PDU_SESSION_TYPE_E_IPV4V6 for DNN %s",