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1 /*
2 * Copyright (c) 2022 Stefan Sperling <stsp@openbsd.org>
3 *
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
17 #include <sys/types.h>
18 #include <sys/queue.h>
19 #include <sys/uio.h>
21 #include <event.h>
22 #include <limits.h>
23 #include <sha1.h>
24 #include <sha2.h>
25 #include <stdint.h>
26 #include <stdio.h>
27 #include <string.h>
29 #include <imsg.h>
31 #include "got_error.h"
32 #include "got_object.h"
33 #include "got_path.h"
35 #include "got_lib_hash.h"
37 #include "gotd.h"
38 #include "log.h"
40 void
41 gotd_imsg_send_ack(struct got_object_id *id, struct imsgbuf *ibuf,
42 uint32_t peerid, pid_t pid)
43 {
44 const struct got_error *err = NULL;
45 struct gotd_imsg_ack iack;
46 char hex[SHA1_DIGEST_STRING_LENGTH];
48 if (log_getverbose() > 0 &&
49 got_object_id_hex(id, hex, sizeof(hex)))
50 log_debug("sending ACK for %s", hex);
52 memset(&iack, 0, sizeof(iack));
53 memcpy(iack.object_id, id->hash, SHA1_DIGEST_LENGTH);
55 if (imsg_compose(ibuf, GOTD_IMSG_ACK, peerid, pid, -1,
56 &iack, sizeof(iack)) == -1) {
57 err = got_error_from_errno("imsg_compose ACK");
58 goto done;
59 }
61 err = gotd_imsg_flush(ibuf);
62 done:
63 if (err)
64 log_warnx("sending ACK: %s", err->msg);
65 }
67 void
68 gotd_imsg_send_nak(struct got_object_id *id, struct imsgbuf *ibuf,
69 uint32_t peerid, pid_t pid)
70 {
71 const struct got_error *err = NULL;
72 struct gotd_imsg_nak inak;
73 char hex[SHA1_DIGEST_STRING_LENGTH];
75 if (log_getverbose() > 0 &&
76 got_object_id_hex(id, hex, sizeof(hex)))
77 log_debug("sending NAK for %s", hex);
79 memset(&inak, 0, sizeof(inak));
80 memcpy(inak.object_id, id->hash, SHA1_DIGEST_LENGTH);
82 if (imsg_compose(ibuf, GOTD_IMSG_NAK, peerid, pid, -1,
83 &inak, sizeof(inak)) == -1) {
84 err = got_error_from_errno("imsg_compose NAK");
85 goto done;
86 }
88 err = gotd_imsg_flush(ibuf);
89 done:
90 if (err)
91 log_warnx("sending NAK: %s", err->msg);
92 }