Refactored packet API to support struct layer (using union to contain different types of encapsulation headers)

src/session/test/gtest_timeout_tcp_init.cpp

@@ -59,6 +59,7 @@ TEST(TIMEOUT, TCP_TIMEOUT_INIT)
 
     // C2S SYN Packet
     printf("\n=> Packet Parse: TCP C2S SYN packet\n");
+    memset(&pkt, 0, sizeof(pkt));
     packet_parse(&pkt, (const char *)tcp_pkt1_c2s_syn, sizeof(tcp_pkt1_c2s_syn));
     printf("<= Packet Parse: done\n\n");