Function dev_save_plugin_io

lightningd/plugin.c:2621–2651

}

static void dev_save_plugin_io(struct plugins *plugins,
 			       const char *type,
			       const char *name,
			       const char *buf, size_t len)
{
	static size_t counter;
	static u64 starttime;
	const char *file;
	int fd;

	if (!plugins->dev_save_io)
		return;

	/* If we reexec, we still want unique names */
	if (!starttime) {
		struct timemono start = time_mono();
		starttime = start.ts.tv_sec * 1000000 + start.ts.tv_nsec / 1000;
	}

	file = path_join(tmpctx, plugins->dev_save_io,
			 take(tal_fmt(NULL, "%s-%s-%u-%"PRIu64"-%zu",
				      type, name,
				      (unsigned int)getpid(),
				      starttime,
				      counter++)));
	fd = open(file, O_CREAT|O_EXCL|O_WRONLY, 0600);
	if (fd < 0 || !write_all(fd, buf, len))
		fatal("Writing --dev-save-plugin-io %s: %s",
		      file, strerror(errno));
	close(fd);
}

void dev_save_plugin_io_in(struct plugins *plugins,
			   const char *type,