Differential D10335 Diff 70580 lib/lib9p/example/server.c

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lib/lib9p/example/server.c

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				/*
				* Copyright 2016 Jakub Klama <jceel@FreeBSD.org>
				* All rights reserved
				*
				* Redistribution and use in source and binary forms, with or without
				* modification, are permitted providing that the following conditions
				* are met:
				* 1. Redistributions of source code must retain the above copyright
				* notice, this list of conditions and the following disclaimer.
				* 2. Redistributions in binary form must reproduce the above copyright
				* notice, this list of conditions and the following disclaimer in the
				* documentation and/or other materials provided with the distribution.
				*
				* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
				* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
				* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
				* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
				* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
				* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
				* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
				* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
				* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
				* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
				* POSSIBILITY OF SUCH DAMAGE.
				*
				*/

				#include <stdio.h>
				#include <stdlib.h>
				#include <fcntl.h>
				#include <err.h>
				#include <unistd.h>
				#include "../lib9p.h"
				#include "../backend/fs.h"
				#include "../transport/socket.h"

				int
				main(int argc, char **argv)
				{
				struct l9p_backend *fs_backend;
				struct l9p_server *server;
				char *host = "0.0.0.0";
				char *port = "564";
				char *path;
				int rootfd;
				int opt;

				while ((opt = getopt(argc, argv, "h:p:")) != -1) {
				switch (opt) {
				case 'h':
				host = optarg;
				break;
				case 'p':
				port = optarg;
				break;
				case '?':
				default:
				goto usage;
				}
				}
				if (optind >= argc) {
				usage:
				errx(1, "Usage: server <path>");
				}
				path = argv[optind];
				rootfd = open(path, O_DIRECTORY);

				if (rootfd < 0)
				err(1, "cannot open root directory");

				if (l9p_backend_fs_init(&fs_backend, rootfd) != 0)
				err(1, "cannot init backend");

				if (l9p_server_init(&server, fs_backend) != 0)
				err(1, "cannot create server");

				server->ls_max_version = L9P_2000L;
				if (l9p_start_server(server, host, port))
				err(1, "l9p_start_server() failed");

				/* XXX - we never get here, l9p_start_server does not return */
				exit(0);
				}