1/* 2 * 3 * Copyright (c) 1997 Adrian Sun (asun@zoology.washington.edu) 4 * All rights reserved. See COPYRIGHT. 5 */ 6 7#ifdef HAVE_CONFIG_H 8#include "config.h" 9#endif /* HAVE_CONFIG_H */ 10 11#include <stdio.h> 12#include <sys/types.h> 13#include <string.h> 14#include <signal.h> 15 16#include <atalk/dsi.h> 17 18/* server generated tickles. as this is only called by the tickle handler, 19 * we don't need to block signals. */ 20int dsi_tickle(DSI *dsi) 21{ 22 char block[DSI_BLOCKSIZ]; 23 uint16_t id; 24 25 if ((dsi->flags & DSI_SLEEPING) || dsi->in_write) 26 return 1; 27 28 id = htons(dsi_serverID(dsi)); 29 30 memset(block, 0, sizeof(block)); 31 block[0] = DSIFL_REQUEST; 32 block[1] = DSIFUNC_TICKLE; 33 memcpy(block + 2, &id, sizeof(id)); 34 /* code = len = reserved = 0 */ 35 36 return dsi_stream_write(dsi, block, DSI_BLOCKSIZ, DSI_NOWAIT); 37} 38 39