X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Foserver%2F_info;fp=ccan%2Foserver%2F_info;h=7bfaa3b129e6cbd101b9c9804d22ec903709fcd1;hb=92f7f79eb9535a281cab710eedb9878c74b950b8;hp=7d05837c06f3fc3f45a9d6c5967e22e605446778;hpb=b6c158bea04f0b8ec13b70c5a3f68aef74c4e356;p=ccan-lca-2011.git

diff --git a/ccan/oserver/_info b/ccan/oserver/_info
index 7d05837..7bfaa3b 100644
--- a/ccan/oserver/_info
+++ b/ccan/oserver/_info
@@ -16,21 +16,36 @@
  *	#include <err.h>
  *	#include <stdlib.h>
  *
+ *	#define STATE_FILE "/var/run/oserver/dump"
+ *
  *	int main(int argc, char *argv[])
  *	{
  *		struct tevent_context *ev = tevent_context_init(NULL);
  *		unsigned int port = OSERVER_PORT;
+ *		bool restore = false;
+ *		char **restore_argv;
+ *
+ *		// Save args before opt_parse mangles them.
+ *		restore_argv = talloc_array(NULL, char *, argc+2);
+ *		restore_argv[0] = argv[0];
+ *		restore_argv[1] = "--restore";
+ *		memcpy(restore_argv+2, argv+1, sizeof(argv[0])*argc);
  *
  *		opt_register_noarg("--help|--usage|-h", opt_usage_and_exit,
  *				   "\nA oserver program", "Usage information");
  *		opt_register_arg("--port", opt_set_uintval, opt_show_uintval,
  *				 &port, "Server port number");
+ *		opt_register_noarg("--restore", opt_set_bool,
+ *				   &restore, opt_hidden);
  *
  *		opt_parse(&argc, argv, opt_log_stderr_exit);
  *		if (argc != 1)
  *			opt_log_stderr_exit("Unknown extra arguments");
  *
- *		if (!oserver_setup(ev, port, "/var/run/oserver/dump"))
+ *		if (restore) {
+ *			if (!oserver_restore(ev, STATE_FILE))
+ *				err(1, "Restoring server");
+ *		} else if (!oserver_setup(ev, port, STATE_FILE, restore_argv))
  *			err(1, "Failed to set up server");
  *
  *		while (tevent_loop_wait(ev) == 0);