Optimize integration testing

- Add injection package plug-in
- Add libstellar_dynamic.so to facilitate unit testing of upper-level plug-ins

test/packet_parser/packet_parser.cpp

@@ -0,0 +1,57 @@
+#include <unistd.h>
+#include <pcap/pcap.h>
+#include "packet_priv.h"
+
+static void packet_handler(u_char *user, const struct pcap_pkthdr *h, const u_char *bytes)
+{
+    struct packet pkt;
+    packet_parse(&pkt, (const char *)bytes, h->caplen);
+    packet_print_table(&pkt);
+}
+
+static void usage(char *cmd)
+{
+    printf("Usage: %s\n", cmd);
+    printf("Options:\n");
+    printf("  -f <pcap file>    pcap file\n");
+    printf("  -h                print help\n");
+    printf("\n");
+}
+
+int main(int argc, char **argv)
+{
+    int opt = 0;
+    char *file = NULL;
+    while ((opt = getopt(argc, argv, "f:h")) != -1)
+    {
+        switch (opt)
+        {
+        case 'f':
+            file = optarg;
+            break;
+        case 'h':
+            usage(argv[0]);
+            return 0;
+        default:
+            usage(argv[0]);
+            return -1;
+        }
+    }
+
+    if (file == NULL)
+    {
+        usage(argv[0]);
+        return -1;
+    }
+
+    pcap_t *pcap = pcap_open_offline(file, NULL);
+    if (pcap == NULL)
+    {
+        printf("pcap_open_offline() failed\n");
+        return -1;
+    }
+    pcap_loop(pcap, -1, packet_handler, NULL);
+    pcap_close(pcap);
+
+    return 0;
+}