plugins/zephyr/ZSendPkt.c@18c94e3947d5 (annotated)
plugins/zephyr/ZSendPkt.c
Fri, 27 Apr 2001 22:21:53 +0000
- author
- Eric Warmenhoven <warmenhoven@yahoo.com>
- date
- Fri, 27 Apr 2001 22:21:53 +0000
- changeset 1763
- 18c94e3947d5
- parent 1700
- 45175fd73d3f
- permissions
- -rw-r--r--
[gaim-migrate @ 1773]
la la la
| 1700 | 1 | /* This file is part of the Project Athena Zephyr Notification System. |
| 2 | * It contains source for the ZSendPacket function. | |
| 3 | * | |
| 4 | * Created by: Robert French | |
| 5 | * | |
| 6 | * $Source$ | |
| 7 | * $Author: warmenhoven $ | |
| 8 | * | |
| 9 | * Copyright (c) 1987,1991 by the Massachusetts Institute of Technology. | |
| 10 | * For copying and distribution information, see the file | |
| 11 | * "mit-copyright.h". | |
| 12 | */ | |
| 13 | /* $Header$ */ | |
| 14 | ||
| 15 | #ifndef lint | |
| 16 | static char rcsid_ZSendPacket_c[] = | |
| 17 | "$Zephyr: /mit/zephyr/src/lib/RCS/ZSendPacket.c,v 1.29 91/03/21 11:57:08 raeburn Exp $"; | |
| 18 | #endif | |
| 19 | ||
| 20 | #include <internal.h> | |
| 21 | #include <sys/socket.h> | |
| 22 | ||
| 23 | static int wait_for_ack(); | |
| 24 | ||
| 25 | Code_t ZSendPacket(packet, len, waitforack) | |
| 26 | char *packet; | |
| 27 | int len; | |
| 28 | int waitforack; | |
| 29 | { | |
| 30 | Code_t retval; | |
| 31 | struct sockaddr_in dest; | |
| 32 | ZNotice_t notice, acknotice; | |
| 33 | ||
| 34 | if (!packet || len < 0) | |
| 35 | return (ZERR_ILLVAL); | |
| 36 | ||
| 37 | if (len > Z_MAXPKTLEN) | |
| 38 | return (ZERR_PKTLEN); | |
| 39 | ||
| 40 | if (ZGetFD() < 0) | |
| 41 | if ((retval = ZOpenPort((u_short *)0)) != ZERR_NONE) | |
| 42 | return (retval); | |
| 43 | ||
| 44 | dest = ZGetDestAddr(); | |
| 45 | ||
| 46 | if (sendto(ZGetFD(), packet, len, 0, (struct sockaddr *)&dest, | |
| 47 | sizeof(dest)) < 0) | |
| 48 | return (errno); | |
| 49 | ||
| 50 | if (!waitforack) | |
| 51 | return (ZERR_NONE); | |
| 52 | ||
| 53 | if ((retval = ZParseNotice(packet, len, ¬ice)) != ZERR_NONE) | |
| 54 | return (retval); | |
| 55 | ||
| 56 | retval = Z_WaitForNotice (&acknotice, wait_for_ack, ¬ice.z_uid, | |
| 57 | HM_TIMEOUT); | |
| 58 | if (retval == ETIMEDOUT) | |
| 59 | return ZERR_HMDEAD; | |
| 60 | if (retval == ZERR_NONE) | |
| 61 | ZFreeNotice (&acknotice); | |
| 62 | return retval; | |
| 63 | } | |
| 64 | ||
| 65 | static int wait_for_ack(notice, uid) | |
| 66 | ZNotice_t *notice; | |
| 67 | ZUnique_Id_t *uid; | |
| 68 | { | |
| 69 | return (ZCompareUID(¬ice->z_uid, uid) && | |
| 70 | (notice->z_kind == HMACK || | |
| 71 | notice->z_kind == SERVACK || | |
| 72 | notice->z_kind == CLIENTACK )); | |
| 73 | } |
