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Avoid very long log lines and resulting OOM #1073

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Merged
merged 3 commits into from
Oct 15, 2024
Merged

Avoid very long log lines and resulting OOM #1073

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fc1abea
PlainTextFormatter: truncate log lines to ~10000 characters
rfc2822 Oct 14, 2024
2add7d1
Update vcard4android which doesn't dump Contact photos anymore
rfc2822 Oct 15, 2024
0953988
Add truncation test
rfc2822 Oct 15, 2024
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13 changes: 11 additions & 2 deletions app/src/main/kotlin/at/bitfire/davdroid/log/PlainTextFormatter.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@

package at.bitfire.davdroid.log

import com.google.common.base.Ascii
import java.io.PrintWriter
import java.io.StringWriter
import java.text.SimpleDateFormat
Expand Down Expand Up @@ -42,6 +43,11 @@ class PlainTextFormatter(
lineSeparator = System.lineSeparator()
)

/**
* Maximum length of a log line (estimate).
*/
const val MAX_LENGTH = 10000

fun shortClassName(className: String) = className
.replace(Regex("^at\\.bitfire\\.(dav|cert4an|dav4an|ical4an|vcard4an)droid\\."), ".")
.replace(Regex("\\$.*$"), "")
Expand Down Expand Up @@ -72,7 +78,7 @@ class PlainTextFormatter(
}
}

builder.append(r.message)
builder.append(truncate(r.message))

if (withException && r.thrown != null) {
val indentedStackTrace = stackTrace(r.thrown)
Expand All @@ -83,7 +89,7 @@ class PlainTextFormatter(

r.parameters?.let {
for ((idx, param) in it.withIndex())
builder.append("\n\tPARAMETER #").append(idx).append(" = ").append(param)
builder.append("\n\tPARAMETER #").append(idx).append(" = ").append(truncate(param.toString()))
}

if (lineSeparator != null)
Expand All @@ -92,4 +98,7 @@ class PlainTextFormatter(
return builder.toString()
}

private fun truncate(s: String) =
Ascii.truncate(s, MAX_LENGTH, "[…]")

}
2 changes: 1 addition & 1 deletion gradle/libs.versions.toml
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Expand Up @@ -21,7 +21,7 @@ androidx-work = "2.9.1"
bitfire-cert4android = "f1cc9b9ca3"
bitfire-dav4jvm = "fbd95a5f5a"
bitfire-ical4android = "b75f33972a"
bitfire-vcard4android = "505848a85a"
bitfire-vcard4android = "5439c1f63c"
compose-accompanist = "0.36.0"
compose-bom = "2024.09.03"
dnsjava = "3.6.0"
Expand Down
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