Add systemd script

src/fast_ping.h

@@ -0,0 +1,40 @@
+#ifndef FAST_PING_H
+#define FAST_PING_H
+
+#include <sys/time.h>
+#include <netdb.h>
+#ifdef __cpluscplus
+extern "C" {
+#endif
+
+typedef enum {
+	FAST_PING_ICMP = 1,
+	FAST_PING_ICMP6 = 2,
+	FAST_PING_TCP,
+	FAST_PING_UDP
+} FAST_PING_TYPE;
+
+typedef enum {
+	PING_RESULT_RESPONSE = 1,
+	PING_RESULT_TIMEOUT = 2,
+	PING_RESULT_END = 3,
+} FAST_PING_RESULT;
+
+struct ping_host_struct;
+typedef void (*fast_ping_result)(struct ping_host_struct *ping_host, const char *host, FAST_PING_RESULT result, struct sockaddr *addr, socklen_t addr_len, int seqno, struct timeval *tv, void *userptr);
+
+/* start ping */
+struct ping_host_struct *fast_ping_start(const char *host, int count, int interval, int timeout, fast_ping_result ping_callback, void *userptr);
+
+/* stop ping */
+int fast_ping_stop(struct ping_host_struct *ping_host);
+
+int fast_ping_init(void);
+
+void fast_ping_exit(void);
+
+#ifdef __cpluscplus
+}
+#endif
+
+#endif // !FAST_PING_H