feat: configure maxDepth from the command line

Similar to maxURLs, a maxDepth of zero means no limit.

1 files changed, 7 insertions, 1 deletions

diff --git a/classic.go b/classic.go
index deb14fd..14bb888 100644
--- a/classic.go
+++ b/classic.go
@@ -40,7 +40,13 @@ loop:
 					break loop
 				}
 
-				if p.depth == maxDepth {
+				// Track maxDepth here. A maxDepth
+				// greater than zero means a finite
+				// maxDepth value. If the packets
+				// we're seeing reach that depth,
+				// don't use their URLs to spawn new
+				// fetches.
+				if maxDepth > 0 && p.depth == maxDepth {
 					continue
 				}