2 * Network Packet Utility Routines
4 * by Kern Sibbald, July MMII
10 Copyright (C) 2002-2004 Kern Sibbald and John Walker
12 This program is free software; you can redistribute it and/or
13 modify it under the terms of the GNU General Public License as
14 published by the Free Software Foundation; either version 2 of
15 the License, or (at your option) any later version.
17 This program is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 General Public License for more details.
22 You should have received a copy of the GNU General Public
23 License along with this program; if not, write to the Free
24 Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
34 * Receive a message from the other end. Each message consists of
35 * two packets. The first is a header that contains the size
36 * of the data that follows in the second packet.
37 * Returns number of bytes read
38 * Returns 0 on end of file
39 * Returns -1 on hard end of file (i.e. network connection close)
43 bnet_recv_pkt(BSOCK *bsock, BPKT *pkt, int *version)
49 unser_begin(bsock->msg, 0);
50 unser_uint16(lversion);
51 *version = (int)lversion;
54 for ( ; pkt->type != BP_EOF; pkt++) {
57 ser_string((char *)pkt->id);
62 ser_int8(*(int8_t *)pkt->value);
65 ser_int32(*(int32_t *)pkt->value);
69 ser_unit32(*(uint32_t *)pkt->value);
72 ser_int64(*(int64_t *)pkt->value);
77 ser_uint64(*(uint64_t *)pkt->value);
82 ser_string((char *)pkt->value);
85 ser_uint32(*(uint32_t *)pkt->len);
86 ser_bytes((char *)pkt->value, pkt->len);
89 Emsg1(M_ABORT, 0, _("Unknown BPKT type: %d\n"), pkt->type);
92 unser_end(bsock->msg, 0);
97 * Send a message over the network. The send consists of
98 * two network packets. The first is sends a 32 bit integer containing
99 * the length of the data packet which follows.
101 * Returns: 0 on failure
105 bnet_send_pkt(BSOCK *bsock, BPKT *pkt, int version)
109 ser_begin(bsock->msg, 0);
112 for ( ; pkt->type != BP_EOF; pkt++) {
115 ser_string((char *)pkt->id);
120 ser_int8(*(int8_t *)pkt->value);
123 ser_int32(*(int32_t *)pkt->value);
127 ser_unit32(*(uint32_t *)pkt->value);
130 ser_int64(*(int64_t *)pkt->value);
135 ser_uint64(*(uint64_t *)pkt->value);
140 ser_string((char *)pkt->value);
143 ser_uint32(*(uint32_t *)pkt->len);
144 ser_bytes((char *)pkt->value, pkt->len);
147 Emsg1(M_ABORT, 0, _("Unknown BPKT type: %d\n"), pkt->type);
150 ser_end(bsock->msg, 0);