Optimize integration testing

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

test/packet_inject/packet_inject_test.h

@@ -0,0 +1,36 @@
+#ifndef _PACKET_INJECT_TEST_H
+#define _PACKET_INJECT_TEST_H
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#define MAX_COMPARISON 16
+
+struct packet_inject_case
+{
+    int finish_clean_work_dir;
+    const char *descriptor;
+    const char *work_dir;
+
+    const char *input_prefix;
+    const char *input_pcap;
+
+    struct
+    {
+        const char *expect_pcap;
+        const char *inject_pcap;
+    } compares[MAX_COMPARISON];
+
+    const char *packet_injector_cmd[16];
+    const char *diff_skip_pattern;
+};
+
+void packet_inject_test(struct packet_inject_case *test);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif