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