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// Copyright (c) 2009 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 "chrome/common/child_process_logging.h"
#import <Foundation/Foundation.h>
#include "base/string_util.h"
#include "chrome/installer/util/google_update_settings.h"
#include "googleurl/src/gurl.h"
namespace child_process_logging {
const int kMaxNumCrashURLChunks = 8;
const int kMaxNumURLChunkValueLength = 255;
const char *kUrlChunkFormatStr = "url-chunk-%d";
const char *kGuidParamName = "guid";
static SetCrashKeyValueFuncPtr g_set_key_func;
static ClearCrashKeyValueFuncPtr g_clear_key_func;
void SetCrashKeyFunctions(SetCrashKeyValueFuncPtr set_key_func,
ClearCrashKeyValueFuncPtr clear_key_func) {
g_set_key_func = set_key_func;
g_clear_key_func = clear_key_func;
}
void SetActiveURLImpl(const GURL& url,
SetCrashKeyValueFuncPtr set_key_func,
ClearCrashKeyValueFuncPtr clear_key_func) {
NSString *kUrlChunkFormatStr_utf8 = [NSString
stringWithUTF8String:kUrlChunkFormatStr];
// First remove any old url chunks we might have lying around.
for (int i = 0; i < kMaxNumCrashURLChunks; i++) {
// On Windows the url-chunk items are 1-based, so match that.
NSString *key = [NSString stringWithFormat:kUrlChunkFormatStr_utf8, i+1];
clear_key_func(key);
}
const std::string& raw_url_utf8 = url.possibly_invalid_spec();
NSString *raw_url = [NSString stringWithUTF8String:raw_url_utf8.c_str()];
size_t raw_url_length = [raw_url length];
// Bail on zero-length URLs.
if (raw_url_length == 0) {
return;
}
// Parcel the URL up into up to 8, 255 byte segments.
size_t start_ofs = 0;
for (int i = 0;
i < kMaxNumCrashURLChunks && start_ofs < raw_url_length;
++i) {
// On Windows the url-chunk items are 1-based, so match that.
NSString *key = [NSString stringWithFormat:kUrlChunkFormatStr_utf8, i+1];
NSRange range;
range.location = start_ofs;
range.length = std::min((size_t)kMaxNumURLChunkValueLength,
raw_url_length - start_ofs);
NSString *value = [raw_url substringWithRange:range];
set_key_func(key, value);
// Next chunk.
start_ofs += kMaxNumURLChunkValueLength;
}
}
void SetClientIdImpl(const std::string& client_id,
SetCrashKeyValueFuncPtr set_key_func) {
NSString *key = [NSString stringWithUTF8String:kGuidParamName];
NSString *value = [NSString stringWithUTF8String:client_id.c_str()];
set_key_func(key, value);
}
void SetActiveURL(const GURL& url) {
if (g_set_key_func && g_clear_key_func)
SetActiveURLImpl(url, g_set_key_func, g_clear_key_func);
}
void SetClientId(const std::string& client_id) {
std::string str(client_id);
ReplaceSubstringsAfterOffset(&str, 0, "-", "");
if (g_set_key_func)
SetClientIdImpl(str, g_set_key_func);
std::wstring wstr = ASCIIToWide(str);
GoogleUpdateSettings::SetMetricsId(wstr);
}
} // namespace child_process_logging
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