feat: build proect for restproxy

proxy_c/third-lib/libevent/sample/time-test.c

@@ -0,0 +1,110 @@
+/*
+ * XXX This sample code was once meant to show how to use the basic Libevent
+ * interfaces, but it never worked on non-Unix platforms, and some of the
+ * interfaces have changed since it was first written.  It should probably
+ * be removed or replaced with something better.
+ *
+ * Compile with:
+ * cc -I/usr/local/include -o time-test time-test.c -L/usr/local/lib -levent
+ */
+
+#include <sys/types.h>
+
+#include <event2/event-config.h>
+
+#include <sys/stat.h>
+#ifndef _WIN32
+#include <sys/queue.h>
+#include <unistd.h>
+#endif
+#include <time.h>
+#ifdef EVENT__HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#include <fcntl.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+#include <event2/event.h>
+#include <event2/event_struct.h>
+#include <event2/util.h>
+
+#ifdef _WIN32
+#include <winsock2.h>
+#endif
+
+struct timeval lasttime;
+
+int event_is_persistent;
+
+static void
+timeout_cb(evutil_socket_t fd, short event, void *arg)
+{
+	struct timeval newtime, difference;
+	struct event *timeout = arg;
+	double elapsed;
+
+	evutil_gettimeofday(&newtime, NULL);
+	evutil_timersub(&newtime, &lasttime, &difference);
+	elapsed = difference.tv_sec +
+	    (difference.tv_usec / 1.0e6);
+
+	printf("timeout_cb called at %d: %.3f seconds elapsed.\n",
+	    (int)newtime.tv_sec, elapsed);
+	lasttime = newtime;
+
+	if (! event_is_persistent) {
+		struct timeval tv;
+		evutil_timerclear(&tv);
+		tv.tv_sec = 2;
+		event_add(timeout, &tv);
+	}
+}
+
+int
+main(int argc, char **argv)
+{
+	struct event timeout;
+	struct timeval tv;
+	struct event_base *base;
+	int flags;
+
+#ifdef _WIN32
+	WORD wVersionRequested;
+	WSADATA wsaData;
+
+	wVersionRequested = MAKEWORD(2, 2);
+
+	(void)WSAStartup(wVersionRequested, &wsaData);
+#endif
+
+	if (argc == 2 && !strcmp(argv[1], "-p")) {
+		event_is_persistent = 1;
+		flags = EV_PERSIST;
+	} else {
+		event_is_persistent = 0;
+		flags = 0;
+	}
+
+	/* Initalize the event library */
+	base = event_base_new();
+
+	/* Initalize one event */
+	event_assign(&timeout, base, -1, flags, timeout_cb, (void*) &timeout);
+
+	evutil_timerclear(&tv);
+	tv.tv_sec = 2;
+	event_add(&timeout, &tv);
+
+	evutil_gettimeofday(&lasttime, NULL);
+
+	setbuf(stdout, NULL);
+	setbuf(stderr, NULL);
+
+	event_base_dispatch(base);
+
+	return (0);
+}
+