pre-release preparation (organization of source files, added readmes, etc)

2016-10-24 09:44:14 -07:00
parent a538b9131b
commit 27eeed0fa9
55 changed files with 463 additions and 345 deletions
--- a/src/rpc.h
+++ b/src/rpc.h
@@ -0,0 +1,144 @@
+/*
+ * ZeroTier One - Network Virtualization Everywhere
+ * Copyright (C) 2011-2015  ZeroTier, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * --
+ *
+ * ZeroTier may be used and distributed under the terms of the GPLv3, which
+ * are available at: http://www.gnu.org/licenses/gpl-3.0.html
+ *
+ * If you would like to embed ZeroTier into a commercial application or
+ * redistribute it in a modified binary form, please contact ZeroTier Networks
+ * LLC. Start here: http://www.zerotier.com/
+ */
+
+#ifndef __RPCLIB_H_
+#define __RPCLIB_H_
+
+#include <sys/socket.h>
+
+#define CANARY_SZ               sizeof(uint64_t)
+#define PADDING_SZ              12
+#define PADDING                 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89
+
+#define RPC_PHRASE              "zerotier\0"
+#define RPC_PHRASE_SZ           9
+#define RPC_TIMESTAMP_SZ        20
+// 1st RPC section (metdata)
+#define IDX_SIGNAL_PHRASE       0
+#define IDX_PID                 IDX_SIGNAL_PHRASE + RPC_PHRASE_SZ
+#define IDX_TID                 sizeof(pid_t) + IDX_PID
+#define IDX_TIME                IDX_TID + sizeof(int)
+#define IDX_PAYLOAD             IDX_TIME + RPC_TIMESTAMP_SZ
+// 2nd RPC section (payload and canary)
+#define CMD_ID_IDX              0
+#define CANARY_IDX              1
+#define STRUCT_IDX              CANARY_IDX+CANARY_SZ
+
+#define BUF_SZ                  512
+
+#define ERR_OK                  0
+
+/* RPC codes */
+#define RPC_UNDEFINED           0
+#define RPC_CONNECT             1
+#define RPC_CONNECT_SOCKARG     2
+#define RPC_CLOSE               3
+#define RPC_READ                4
+#define RPC_WRITE               5
+#define RPC_BIND                6
+#define RPC_ACCEPT              7
+#define RPC_LISTEN              8
+#define RPC_SOCKET              9
+#define RPC_SHUTDOWN            10
+#define RPC_GETSOCKNAME         11
+#define RPC_GETPEERNAME         12
+#define RPC_RETVAL              13
+#define RPC_IS_CONNECTED		14
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int get_retval(int);
+int rpc_join( char * sockname);
+int rpc_send_command(char *path, int cmd, int forfd, void *data, int len);
+
+int get_new_fd(int sock);
+ssize_t sock_fd_write(int sock, int fd);
+ssize_t sock_fd_read(int sock, void *buf, ssize_t bufsize, int *fd);
+
+void rpc_mutex_destroy();
+void rpc_mutex_init();
+
+
+/* Structures used for sending commands via RPC mechanism */
+
+struct bind_st {
+	int fd;
+	struct sockaddr_storage addr;
+	socklen_t addrlen;
+	int tid;
+};
+
+struct connect_st {
+	int fd;
+	struct sockaddr_storage addr;
+	socklen_t addrlen;
+	int tid;
+};
+
+struct close_st {
+	int fd;
+};
+
+struct listen_st {
+	int fd;
+	int backlog;
+	int tid;
+};
+
+struct socket_st {
+	int socket_family;
+	int socket_type;
+	int protocol;
+	int tid;
+};
+
+struct accept_st {
+	int fd;
+	struct sockaddr_storage addr;
+	socklen_t addrlen;
+	int tid;
+};
+
+struct shutdown_st {
+	int socket;
+	int how;
+};
+
+struct getsockname_st {
+	int fd;
+	struct sockaddr_storage addr;
+	socklen_t addrlen;
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif