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Quote host names in DOT output

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Wrap host identifiers with quotes when generating Graphviz DOT to avoid invalid identifiers if hostnames contain punctuation or spaces. Updated node declaration and both producer/consumer edges to use %q for host formatting in internal/streams/dot.go; other fields (IDs, labels, titles) remain unchanged.
This commit is contained in:
Sergey Krashevich
2026-03-21 16:19:38 +03:00
parent dc1685e9cf
commit 1fc40aa7db
1 changed files with 3 additions and 3 deletions
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internal/streams/dot.go
+3 -3
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@@ -111,12 +111,12 @@ type conn struct {
func (c *conn) appendDOT(dot []byte, group string) []byte {
host := c.host()
dot = fmt.Appendf(dot, "%s [group=host];\n", host)
dot = fmt.Appendf(dot, "%q [group=host];\n", host)
dot = fmt.Appendf(dot, "%d [group=%s, label=%q, title=%q];\n", c.ID, group, c.FormatName, c.label())
if group == "producer" {
dot = fmt.Appendf(dot, "%s -> %d [label=%q];\n", host, c.ID, humanBytes(c.BytesRecv))
dot = fmt.Appendf(dot, "%q -> %d [label=%q];\n", host, c.ID, humanBytes(c.BytesRecv))
} else {
dot = fmt.Appendf(dot, "%d -> %s [label=%q];\n", c.ID, host, humanBytes(c.BytesSend))
dot = fmt.Appendf(dot, "%d -> %q [label=%q];\n", c.ID, host, humanBytes(c.BytesSend))
}
for _, recv := range c.Receivers {