Create sbbs_t::putnode_downloading()

Migrated from sbbs_t::start_batch_download(), this just calculates the ETA (of transfer completion) and writes to the node's aux field in the proper format.

src/sbbs3/putnode.cpp

@@ -166,3 +166,22 @@ int sbbs_t::putnodeext(uint number, char *ext)
 
 	return(0);
 }
+
+bool sbbs_t::putnode_downloading(off_t size)
+{
+	action = NODE_DLNG;
+
+	/* calculate ETA */
+	time_t t = now;
+	if(size < cur_cps)
+		++t;
+	else if(cur_cps > 0)
+		t += size / cur_cps;
+	struct tm tm;
+	if(localtime_r(&t, &tm) != NULL)
+		thisnode.aux = (tm.tm_hour * 60) + tm.tm_min;
+	if(getnodedat(cfg.node_num, &thisnode, /* lock-it: */true) != 0)
+		return false;
+	thisnode.action = action;
+	return putnodedat(cfg.node_num, &thisnode) == 0;
+}

src/sbbs3/sbbs.h

@@ -969,6 +969,7 @@ public:
 	/* putnode.cpp */
 	int		putnodedat(uint number, node_t * node);
 	int		putnodeext(uint number, char * str);
+	bool	putnode_downloading(off_t size);
 
 	/* login.ccp */
 	int		login(const char *user_name, const char *pw_prompt, const char* user_pw = NULL, const char* sys_pw = NULL);