162 lines
4.5 KiB
C
162 lines
4.5 KiB
C
/*
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* tvheadend, XBMSP interface
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* Copyright (C) 2008 Andreas Öman
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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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#ifndef XBMSP_H_
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#define XBMSP_H_
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#include "tcp.h"
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#include "ffmuxer.h"
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/**
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* Server source messages
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*/
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#define XBMSP_PACKET_OK 1
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#define XBMSP_PACKET_ERROR 2
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#define XBMSP_PACKET_HANDLE 3
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#define XBMSP_PACKET_FILE_DATA 4
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#define XBMSP_PACKET_FILE_CONTENTS 5
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#define XBMSP_PACKET_AUTHENTICATION_CONTINUE 6
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/**
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* Client source messages
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*/
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#define XBMSP_PACKET_NULL 10
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#define XBMSP_PACKET_SETCWD 11
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#define XBMSP_PACKET_FILELIST_OPEN 12
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#define XBMSP_PACKET_FILELIST_READ 13
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#define XBMSP_PACKET_FILE_INFO 14
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#define XBMSP_PACKET_FILE_OPEN 15
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#define XBMSP_PACKET_FILE_READ 16
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#define XBMSP_PACKET_FILE_SEEK 17
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#define XBMSP_PACKET_CLOSE 18
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#define XBMSP_PACKET_CLOSE_ALL 19
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#define XBMSP_PACKET_SET_CONFIGURATION_OPTION 20
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#define XBMSP_PACKET_AUTHENTICATION_INIT 21
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#define XBMSP_PACKET_AUTHENTICATE 22
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#define XBMSP_PACKET_UPCWD 23
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/**
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* Discovery messages
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*/
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#define XBMSP_PACKET_SERVER_DISCOVERY_QUERY 90
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#define XBMSP_PACKET_SERVER_DISCOVERY_REPLY 91
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/**
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* Error codes
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*/
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#define XBMSP_ERROR_OK 0 /* Reserved */
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#define XBMSP_ERROR_FAILURE 1
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#define XBMSP_ERROR_UNSUPPORTED 2
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#define XBMSP_ERROR_NO_SUCH_FILE 3
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#define XBMSP_ERROR_INVALID_FILE 4
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#define XBMSP_ERROR_INVALID_HANDLE 5
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#define XBMSP_ERROR_OPEN_FAILED 6
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#define XBMSP_ERROR_TOO_MANY_OPEN_FILES 7
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#define XBMSP_ERROR_TOO_LONG_READ 8
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#define XBMSP_ERROR_ILLEGAL_SEEK 9
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#define XBMSP_ERROR_OPTION_IS_READ_ONLY 10
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#define XBMSP_ERROR_INVALID_OPTION_VALUE 11
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#define XBMSP_ERROR_AUTHENTICATION_NEEDED 12
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#define XBMSP_ERROR_AUTHENTICATION_FAILED 13
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LIST_HEAD(xbmsp_dirhandle_list, xbmsp_dirhandle);
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LIST_HEAD(xbmsp_subscription_list, xbmsp_subscription);
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TAILQ_HEAD(xbmsp_direntry_queue, xbmsp_direntry);
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/**
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* Represents an directory entry (a file or a dir)
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*/
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typedef struct xbmsp_direntry {
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TAILQ_ENTRY(xbmsp_direntry) xde_link;
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const char *xde_filename;
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const char *xde_xmlmeta;
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} xbmsp_direntry_t;
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/**
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* Represents an opened directory handle.
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*
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* These are created and populated upon XBMSP_PACKET_FILELIST_OPEN and
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* subsequently consumed by XBMSP_PACKET_FILELIST_READ
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*/
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typedef struct xbmsp_dirhandle {
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LIST_ENTRY(xbmsp_dirhandle) xdh_link;
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uint32_t xdh_handle;
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struct xbmsp_direntry_queue xdh_entries;
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} xbmsp_dirhandle_t;
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/**
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* Represents an file (or stream) entry
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*/
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typedef struct xbmsp_subscription {
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LIST_ENTRY(xbmsp_subscription) xs_link;
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uint32_t xs_handle;
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th_subscription_t *xs_subscription;
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struct xbmsp *xs_xbmsp;
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th_ffmuxer_t xs_tffm;
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tffm_fifo_t *xs_fifo; /* output fifo */
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size_t xs_pending_read_size;
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uint32_t xs_pending_read_msgid;
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} xbmsp_subscrption_t;
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/**
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* Context for an XBMSP session
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*/
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typedef struct xbmsp {
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tcp_session_t xbmsp_tcp_session; /* Must be first */
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LIST_ENTRY(xbmsp) xbmsp_global_link;
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enum {
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XBMSP_STATE_CLIENT_IDENTIFY = 0,
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XBMSP_STATE_1_0,
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} xbmsp_state;
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uint8_t *xbmsp_buf;
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int xbmsp_bufptr;
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int xbmsp_bufsize;
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int xbmsp_msglen;
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const char *xbmsp_username;
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struct config_head *xbmsp_user_config;
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int xbmsp_authenticated; /* set if authenticated */
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uint32_t xbmsp_handle_tally;
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char *xbmsp_wd; /* Working directory */
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struct xbmsp_dirhandle_list xbmsp_dirhandles;
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struct xbmsp_subscription_list xbmsp_subscriptions;
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char xbmsp_logname[100];
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} xbmsp_t;
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void xbmsp_start(int port);
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#endif /* XBMSP_H_ */
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