58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
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/* talk.h Copyright Michael Temari 07/22/1996 All Rights Reserved */
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#define USER_SIZE 12
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#define TTY_SIZE 16
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#define HOST_SIZE 255
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struct osockaddr {
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u16_t sa_family;
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u16_t sin_port;
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ipaddr_t sin_addr;
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char junk[8];
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};
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struct talk_request {
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u8_t version;
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u8_t type;
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u8_t answer;
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u8_t junk;
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u32_t id;
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struct osockaddr addr;
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struct osockaddr ctl_addr;
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long pid;
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char luser[USER_SIZE];
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char ruser[USER_SIZE];
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char rtty[TTY_SIZE];
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};
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struct talk_reply {
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u8_t version;
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u8_t type;
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u8_t answer;
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u8_t junk;
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u32_t id;
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struct osockaddr addr;
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};
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#define TALK_VERSION 1
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/* message type values */
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#define LEAVE_INVITE 0 /* leave invitation with server */
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#define LOOK_UP 1 /* check for invitation by callee */
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#define DELETE 2 /* delete invitation by caller */
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#define ANNOUNCE 3 /* announce invitation by caller */
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/* answer values */
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#define SUCCESS 0 /* operation completed properly */
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#define NOT_HERE 1 /* callee not logged in */
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#define FAILED 2 /* operation failed for unexplained reason */
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#define MACHINE_UNKNOWN 3 /* caller's machine name unknown */
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#define PERMISSION_DENIED 4 /* callee's tty doesn't permit announce */
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#define UNKNOWN_REQUEST 5 /* request has invalid type value */
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#define BADVERSION 6 /* request has invalid protocol version */
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#define BADADDR 7 /* request has invalid addr value */
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#define BADCTLADDR 8 /* request has invalid ctl_addr value */
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#define MAX_LIFE 60 /* max time daemon saves invitations */
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#define RING_WAIT 30 /* time to wait before resending invitation */
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