1 /* sane - Scanner Access Now Easy. 2 Copyright (C) 1997 David Mosberger-Tang 3 Copyright (C) 2003 Julien BLACHE <jb@jblache.org> 4 AF-independent code + IPv6 5 6 This file is part of the SANE package. 7 8 This program is free software; you can redistribute it and/or 9 modify it under the terms of the GNU General Public License as 10 published by the Free Software Foundation; either version 2 of the 11 License, or (at your option) any later version. 12 13 This program is distributed in the hope that it will be useful, but 14 WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with this program. If not, see <https://www.gnu.org/licenses/>. 20 21 As a special exception, the authors of SANE give permission for 22 additional uses of the libraries contained in this release of SANE. 23 24 The exception is that, if you link a SANE library with other files 25 to produce an executable, this does not by itself cause the 26 resulting executable to be covered by the GNU General Public 27 License. Your use of that executable is in no way restricted on 28 account of linking the SANE library code into it. 29 30 This exception does not, however, invalidate any other reasons why 31 the executable file might be covered by the GNU General Public 32 License. 33 34 If you submit changes to SANE to the maintainers to be included in 35 a subsequent release, you agree by submitting the changes that 36 those changes may be distributed with this exception intact. 37 38 If you write modifications of your own for SANE, it is your choice 39 whether to permit this exception to apply to your modifications. 40 If you do not wish that, delete this exception notice. */ 41 #ifndef net_h 42 #define net_h 43 44 #include <sys/types.h> 45 #include <sys/socket.h> 46 47 #include "../include/sane/sanei_wire.h" 48 #include "../include/sane/config.h" 49 50 typedef struct Net_Device 51 { 52 struct Net_Device *next; 53 const char *name; 54 #if defined (HAVE_GETADDRINFO) && defined (HAVE_GETNAMEINFO) 55 struct addrinfo *addr; 56 struct addrinfo *addr_used; 57 #else 58 struct sockaddr addr; 59 #endif /* HAVE_GETADDRINFO && HAVE_GETNAMEINFO */ 60 int ctl; /* socket descriptor (or -1) */ 61 Wire wire; 62 int auth_active; 63 } 64 Net_Device; 65 66 typedef struct Net_Scanner 67 { 68 /* all the state needed to define a scan request: */ 69 struct Net_Scanner *next; 70 71 int options_valid; /* are the options current? */ 72 SANE_Option_Descriptor_Array opt, local_opt; 73 74 SANE_Word handle; /* remote handle (it's a word, not a ptr!) */ 75 76 int data; /* data socket descriptor */ 77 int reclen_buf_offset; 78 u_char reclen_buf[4]; 79 size_t bytes_remaining; /* how many bytes left in this record? */ 80 81 /* device (host) info: */ 82 Net_Device *hw; 83 } 84 Net_Scanner; 85 86 #endif /* net_h */ 87