2 * Amanda, The Advanced Maryland Automatic Network Disk Archiver
3 * Copyright (c) 1991-1999 University of Maryland at College Park
6 * Permission to use, copy, modify, distribute, and sell this software and its
7 * documentation for any purpose is hereby granted without fee, provided that
8 * the above copyright notice appear in all copies and that both that
9 * copyright notice and this permission notice appear in supporting
10 * documentation, and that the name of U.M. not be used in advertising or
11 * publicity pertaining to distribution of the software without specific,
12 * written prior permission. U.M. makes no representations about the
13 * suitability of this software for any purpose. It is provided "as is"
14 * without express or implied warranty.
16 * U.M. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL U.M.
18 * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
19 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
20 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
21 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
23 * Authors: the Amanda Development Team. Its members are listed in a
24 * file named AUTHORS, in the root directory of this distribution.
27 * $Id: packet.c,v 1.8 2006/05/25 01:47:12 johnfranks Exp $
29 * Routines for modifying the amanda protocol packet type
36 * Table of packet types and their printable forms
48 #define NPKTYPES (int)(SIZEOF(pktypes) / SIZEOF(pktypes[0]))
58 assert(strcmp(pkt_type2str(type), "BOGUS") != 0);
61 pkt->packet_size = 1000;
62 pkt->body = alloc(pkt->packet_size);
64 pkt->size = strlen(pkt->body);
67 printf_arglist_function2(void pkt_init, pkt_t *, pkt, pktype_t, type,
74 assert(strcmp(pkt_type2str(type), "BOGUS") != 0);
79 pkt->packet_size = 1000;
80 pkt->body = alloc(pkt->packet_size);
82 arglist_start(argp, fmt);
83 len = g_vsnprintf(pkt->body, pkt->packet_size, fmt, argp);
85 if (len > -1 && len < (int)(pkt->packet_size - 1))
87 pkt->packet_size *= 2;
89 pkt->body = alloc(pkt->packet_size);
91 pkt->size = strlen(pkt->body);
95 * Append data to a packet
97 printf_arglist_function1(void pkt_cat, pkt_t *, pkt, const char *, fmt)
107 len = strlen(pkt->body);
110 arglist_start(argp, fmt);
111 lenX = g_vsnprintf(pkt->body + len, pkt->packet_size - len, fmt,argp);
113 if (lenX > -1 && lenX < (int)(pkt->packet_size - len - 1))
115 pkt->packet_size *= 2;
116 pktbody = alloc(pkt->packet_size);
117 strncpy(pktbody, pkt->body, len);
122 pkt->size = strlen(pkt->body);
126 * Converts a string into a packet type
134 assert(typestr != NULL);
136 for (i = 0; i < (int)NPKTYPES; i++)
137 if (strcmp(typestr, pktypes[i].name) == 0)
138 return (pktypes[i].type);
139 return ((pktype_t)-1);
143 * Converts a packet type into a string
151 for (i = 0; i < (int)NPKTYPES; i++)
152 if (pktypes[i].type == type)
153 return (pktypes[i].name);