dfp.h (3255B)
1 /* $Id: //depot/blt/srv/fish/dfp.h#3 $ 2 ** 3 ** Copyright 1998 Brian J. Swetland 4 ** All rights reserved. 5 ** 6 ** Redistribution and use in source and binary forms, with or without 7 ** modification, are permitted provided that the following conditions 8 ** are met: 9 ** 1. Redistributions of source code must retain the above copyright 10 ** notice, this list of conditions, and the following disclaimer. 11 ** 2. Redistributions in binary form must reproduce the above copyright 12 ** notice, this list of conditions, and the following disclaimer in the 13 ** documentation and/or other materials provided with the distribution. 14 ** 3. The name of the author may not be used to endorse or promote products 15 ** derived from this software without specific prior written permission. 16 ** 17 ** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 ** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 ** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 ** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 ** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 ** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 ** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 /* 29 ** Distributed Fish Protocol 30 ** Version 1.0 31 ** 32 ** Special Interest Group for Operating Systems 33 ** Association for Computing Machinery 34 ** University of Illinios at Urbana-Champaign 35 */ 36 37 #ifndef _DFP_H 38 #define _DFP_H 39 40 #ifdef _WIN32 41 #include <sys/types.h> 42 #include <winsock.h> 43 #endif 44 45 #ifdef NEED_TYPES 46 typedef unsigned char uint8; 47 typedef unsigned short uint16; 48 typedef unsigned int uint32; 49 #endif 50 typedef char sint8; 51 52 #define DFP_VERSION 0x0201 53 54 #define DEFAULT_DFP_PORT 5049 55 56 #define DFP_MIN_SUBTANK_X 0 57 #define DFP_MAX_SUBTANK_X 3 58 #define DFP_MIN_SUBTANK_Y 0 59 #define DFP_MAX_SUBTANK_Y 3 60 61 #define DFP_PKT_PING 0 62 #define DFP_PKT_PONG 1 63 #define DFP_PKT_SEND_FISH 2 64 #define DFP_PKT_ACK_FISH 3 65 #define DFP_PKT_NACK_FISH 4 66 #define DFP_PKT_SYNC_FISH 5 67 68 /* pack everything along byte boundaries */ 69 #pragma pack( 1 ) 70 71 typedef struct 72 { 73 uint16 version; 74 uint8 src_tank_x; 75 uint8 src_tank_y; 76 uint8 dst_tank_x; 77 uint8 dst_tank_y; 78 uint8 type; /* one of DFP_PKT_* */ 79 uint8 pad; /* should be 0 */ 80 uint16 size; /* size of entire packet */ 81 } dfp_base; 82 83 typedef struct 84 { 85 uint8 creator_tank_x; 86 uint8 creator_tank_y; 87 uint8 timestamp[4]; 88 } dfp_uid; 89 90 typedef struct 91 { 92 uint8 x; 93 uint8 y; 94 sint8 dx; 95 sint8 dy; 96 uint16 ttl; 97 uint8 name[16]; 98 } dfp_fish; 99 100 101 #define DFP_SIZE_LOCATE 10 102 #define DFP_SIZE_CONFIRM 16 103 #define DFP_SIZE_TRANSFER 38 104 105 106 typedef struct 107 { 108 dfp_base base; 109 } dfp_pkt_locate; 110 111 typedef struct 112 { 113 dfp_base base; 114 dfp_uid uid; 115 } dfp_pkt_confirm; 116 117 typedef struct 118 { 119 dfp_base base; 120 dfp_uid uid; 121 dfp_fish fish; 122 } dfp_pkt_transfer; 123 124 /* restore default packing */ 125 #pragma pack() 126 127 #endif /* __DFP_H */