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// Copyright 2020 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/gfx/x/xproto_util.h"
#include "base/logging.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/stringprintf.h"
#include "ui/gfx/x/connection.h"
#include "ui/gfx/x/xproto.h"
namespace x11 {
void LogErrorEventDescription(const XErrorEvent& error_event) {
// This function may make some expensive round trips (XListExtensions,
// XQueryExtension), but the only effect this function has is LOG(WARNING),
// so early-return if the log would never be sent anyway.
if (!LOG_IS_ON(WARNING))
return;
char error_str[256];
char request_str[256];
XDisplay* dpy = error_event.display;
x11::Connection* conn = x11::Connection::Get();
XGetErrorText(dpy, error_event.error_code, error_str, sizeof(error_str));
strncpy(request_str, "Unknown", sizeof(request_str));
if (error_event.request_code < 128) {
std::string num = base::NumberToString(error_event.request_code);
XGetErrorDatabaseText(dpy, "XRequest", num.c_str(), "Unknown", request_str,
sizeof(request_str));
} else {
if (auto response = conn->ListExtensions({}).Sync()) {
for (const auto& str : response->names) {
int ext_code, first_event, first_error;
const char* name = str.name.c_str();
XQueryExtension(dpy, name, &ext_code, &first_event, &first_error);
if (error_event.request_code == ext_code) {
std::string msg =
base::StringPrintf("%s.%d", name, error_event.minor_code);
XGetErrorDatabaseText(dpy, "XRequest", msg.c_str(), "Unknown",
request_str, sizeof(request_str));
break;
}
}
}
}
LOG(WARNING) << "X error received: "
<< "serial " << error_event.serial << ", "
<< "error_code " << static_cast<int>(error_event.error_code)
<< " (" << error_str << "), "
<< "request_code " << static_cast<int>(error_event.request_code)
<< ", "
<< "minor_code " << static_cast<int>(error_event.minor_code)
<< " (" << request_str << ")";
}
} // namespace x11
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