diff options
Diffstat (limited to 'src/Messages.zig')
| -rw-r--r-- | src/Messages.zig | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/Messages.zig b/src/Messages.zig index c0838fb2..482ad64d 100644 --- a/src/Messages.zig +++ b/src/Messages.zig @@ -450,10 +450,27 @@ pub const no_pane_slots = "no space for a pane: {d} max"; pub const no_pane_room = "no space for a pane in that column: each keeps its tag and {d} rows"; /// `<operation>: <the error in words>`: FileNotFound reads "file not found". +/// Why a peer could not be reached, in words, for an error of a 9P dial +/// (src/9p_io.zig, Client); null for any other error. +pub fn dialReason(err: anyerror) ?[]const u8 { + return switch (err) { + error.Dial => "no answer", + error.Timeout => "timed out", + error.Hangup => "hung up", + error.Botch => "protocol botch", + else => null, + }; +} + pub fn reportError(p: *Pardes, id: usize, operation: []const u8, err: anyerror) void { var buf: [256]u8 = undefined; var w = std.Io.Writer.fixed(&buf); w.print("{s}: ", .{operation}) catch {}; + // A peer out of reach says so, not the error's name (`dial`). + if (dialReason(err)) |why| { + w.print("dial failed: {s}", .{why}) catch {}; + return reportFailure(p, id, w.buffered()); + } // Every route that opens a pane says the cap the same way. if (err == error.NoPaneSlots or err == error.NoPaneRoom) { if (err == error.NoPaneSlots) |