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improve console.log output when using logfmt

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This commit is contained in:
Karl Seguin
2025-12-29 12:58:20 +08:00
parent 087086c308
commit dc33c4d5fd
2 changed files with 33 additions and 9 deletions
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33
src/log.zig
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@@ -154,17 +154,22 @@ fn logTo(comptime scope: Scope, level: Level, comptime msg: []const u8, data: an
}
}
fn logLogfmt(comptime scope: Scope, level: Level, comptime msg: []const u8, data: anytype, writer: anytype) !void {
fn logLogfmt(comptime scope: Scope, level: Level, comptime msg: []const u8, data: anytype, writer: *std.Io.Writer) !void {
try logLogFmtPrefix(scope, level, msg, writer);
inline for (@typeInfo(@TypeOf(data)).@"struct".fields) |f| {
const key = " " ++ f.name ++ "=";
try writer.writeAll(key);
try writeValue(.logfmt, @field(data, f.name), writer);
const value = @field(data, f.name);
if (std.meta.hasMethod(@TypeOf(value), "logFmt")) {
try value.logFmt(f.name, LogFormatWriter{.writer = writer});
} else {
const key = " " ++ f.name ++ "=";
try writer.writeAll(key);
try writeValue(.logfmt, value, writer);
}
}
try writer.writeByte('\n');
}
fn logLogFmtPrefix(comptime scope: Scope, level: Level, comptime msg: []const u8, writer: anytype) !void {
fn logLogFmtPrefix(comptime scope: Scope, level: Level, comptime msg: []const u8, writer: *std.Io.Writer) !void {
try writer.writeAll("$time=");
try writer.print("{d}", .{timestamp(.clock)});
@@ -185,7 +190,7 @@ fn logLogFmtPrefix(comptime scope: Scope, level: Level, comptime msg: []const u8
try writer.writeAll(full_msg);
}
fn logPretty(comptime scope: Scope, level: Level, comptime msg: []const u8, data: anytype, writer: anytype) !void {
fn logPretty(comptime scope: Scope, level: Level, comptime msg: []const u8, data: anytype, writer: *std.Io.Writer) !void {
try logPrettyPrefix(scope, level, msg, writer);
inline for (@typeInfo(@TypeOf(data)).@"struct".fields) |f| {
const key = " " ++ f.name ++ " = ";
@@ -196,7 +201,7 @@ fn logPretty(comptime scope: Scope, level: Level, comptime msg: []const u8, data
try writer.writeByte('\n');
}
fn logPrettyPrefix(comptime scope: Scope, level: Level, comptime msg: []const u8, writer: anytype) !void {
fn logPrettyPrefix(comptime scope: Scope, level: Level, comptime msg: []const u8, writer: *std.Io.Writer) !void {
if (scope == .console and level == .fatal and comptime std.mem.eql(u8, msg, "lightpanda")) {
try writer.writeAll("\x1b[0;104mWARN ");
} else {
@@ -228,7 +233,7 @@ fn logPrettyPrefix(comptime scope: Scope, level: Level, comptime msg: []const u8
}
}
pub fn writeValue(comptime format: Format, value: anytype, writer: anytype) !void {
pub fn writeValue(comptime format: Format, value: anytype, writer: *std.Io.Writer) !void {
const T = @TypeOf(value);
if (std.meta.hasMethod(T, "format")) {
return writer.print("{f}", .{value});
@@ -271,7 +276,7 @@ pub fn writeValue(comptime format: Format, value: anytype, writer: anytype) !voi
@compileError("cannot log a: " ++ @typeName(T));
}
fn writeString(comptime format: Format, value: []const u8, writer: anytype) !void {
fn writeString(comptime format: Format, value: []const u8, writer: *std.Io.Writer) !void {
if (format == .pretty) {
return writer.writeAll(value);
}
@@ -325,6 +330,16 @@ fn writeString(comptime format: Format, value: []const u8, writer: anytype) !voi
return writer.writeByte('"');
}
pub const LogFormatWriter = struct {
writer: *std.Io.Writer,
pub fn write(self: LogFormatWriter, key: []const u8, value: []const u8) !void {
const writer = self.writer;
try writer.print(" {s}=", .{key});
try writeString(.logfmt, value, writer);
}
};
var first_log: u64 = 0;
fn elapsed() struct { time: f64, unit: []const u8 } {
const now = timestamp(.monotonic);