1 files changed, 0 insertions, 71 deletions
diff --git a/tools/plink/pinger.c b/tools/plink/pinger.c
deleted file mode 100644
index b6fde2456..000000000
--- a/tools/plink/pinger.c
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * pinger.c: centralised module that deals with sending TS_PING
- * keepalives, to avoid replicating this code in multiple backends.
- */
-
-#include "putty.h"
-
-struct pinger_tag {
-    int interval;
-    int pending;
-    long next;
-    Backend *back;
-    void *backhandle;
-};
-
-static void pinger_schedule(Pinger pinger);
-
-static void pinger_timer(void *ctx, long now)
-{
-    Pinger pinger = (Pinger)ctx;
-
-    if (pinger->pending && now - pinger->next >= 0) {
-	pinger->back->special(pinger->backhandle, TS_PING);
-	pinger->pending = FALSE;
-	pinger_schedule(pinger);
-    }
-}
-
-static void pinger_schedule(Pinger pinger)
-{
-    int next;
-
-    if (!pinger->interval) {
-	pinger->pending = FALSE;       /* cancel any pending ping */
-	return;
-    }
-
-    next = schedule_timer(pinger->interval * TICKSPERSEC,
-			  pinger_timer, pinger);
-    if (!pinger->pending || next < pinger->next) {
-	pinger->next = next;
-	pinger->pending = TRUE;
-    }
-}
-
-Pinger pinger_new(Config *cfg, Backend *back, void *backhandle)
-{
-    Pinger pinger = snew(struct pinger_tag);
-
-    pinger->interval = cfg->ping_interval;
-    pinger->pending = FALSE;
-    pinger->back = back;
-    pinger->backhandle = backhandle;
-    pinger_schedule(pinger);
-
-    return pinger;
-}
-
-void pinger_reconfig(Pinger pinger, Config *oldcfg, Config *newcfg)
-{
-    if (oldcfg->ping_interval != newcfg->ping_interval) {
-	pinger->interval = newcfg->ping_interval;
-	pinger_schedule(pinger);
-    }
-}
-
-void pinger_free(Pinger pinger)
-{
-    expire_timer_context(pinger);
-    sfree(pinger);
-}