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// Copyright 2014 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.
#import "ios/crnet/CrNet.h"
#include "base/logging.h"
#include "base/strings/sys_string_conversions.h"
#import "ios/net/crn_http_protocol_handler.h"
#import "ios/crnet/crnet_environment.h"
static CrNetEnvironment* g_chrome_net = NULL;
static BOOL g_spdy_enabled = YES;
static BOOL g_quic_enabled = NO;
static BOOL g_sdch_enabled = NO;
static NSString* g_user_agent = nil;
static NSString* g_sdch_pref_store_filename = nil;
static RequestFilterBlock g_request_filter_block = nil;
@implementation CrNet
+ (void)setSpdyEnabled:(BOOL)spdyEnabled {
g_spdy_enabled = spdyEnabled;
}
+ (void)setQuicEnabled:(BOOL)quicEnabled {
g_quic_enabled = quicEnabled;
}
+ (void)setSDCHEnabled:(BOOL)sdchEnabled
withPrefStore:(NSString*)filename {
g_sdch_enabled = sdchEnabled;
g_sdch_pref_store_filename = filename;
}
+ (void)setPartialUserAgent:(NSString *)userAgent {
g_user_agent = userAgent;
}
+ (void)installInternal {
CrNetEnvironment::Initialize();
std::string partial_user_agent = base::SysNSStringToUTF8(g_user_agent);
g_chrome_net = new CrNetEnvironment(partial_user_agent);
g_chrome_net->set_spdy_enabled(g_spdy_enabled);
g_chrome_net->set_quic_enabled(g_quic_enabled);
g_chrome_net->set_sdch_enabled(g_sdch_enabled);
if (g_sdch_pref_store_filename) {
std::string filename = base::SysNSStringToUTF8(g_sdch_pref_store_filename);
g_chrome_net->set_sdch_pref_store_filename(filename);
}
g_chrome_net->Install();
g_chrome_net->SetHTTPProtocolHandlerRegistered(true);
g_chrome_net->SetRequestFilterBlock(g_request_filter_block);
}
+ (void)install {
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
[self installInternal];
});
}
+ (void)installIntoSessionConfiguration:(NSURLSessionConfiguration*)config {
g_chrome_net->InstallIntoSessionConfiguration(config);
}
+ (void)installWithPartialUserAgent:(NSString *)partialUserAgent {
[self setPartialUserAgent:partialUserAgent];
[self install];
}
+ (void)installWithPartialUserAgent:(NSString *)partialUserAgent
enableDataReductionProxy:(BOOL)enableDataReductionProxy {
LOG(ERROR) << "enableDataReductionProxy is no longer respected. The "
<< "functionality has been removed from CrNet.";
[self setPartialUserAgent:partialUserAgent];
[self install];
}
+ (void)installWithPartialUserAgent:(NSString *)partialUserAgent
withRequestFilterBlock:(RequestFilterBlock)requestFilterBlock {
[self setPartialUserAgent:partialUserAgent];
[self setRequestFilterBlock:requestFilterBlock];
[self install];
}
+ (void)setRequestFilterBlock:(RequestFilterBlock)block {
if (g_chrome_net)
g_chrome_net->SetRequestFilterBlock(block);
else
g_request_filter_block = block;
}
+ (void)uninstall {
if (g_chrome_net) {
g_chrome_net->SetHTTPProtocolHandlerRegistered(false);
}
}
+ (void)startNetLogToFile:(NSString *)fileName logBytes:(BOOL)logBytes {
if (g_chrome_net && [fileName length]) {
g_chrome_net->StartNetLog([fileName UTF8String], logBytes);
}
}
+ (void)stopNetLog {
if (g_chrome_net) {
return g_chrome_net->StopNetLog();
}
}
+ (NSString *)userAgent {
if (!g_chrome_net) {
return nil;
}
std::string user_agent = g_chrome_net->user_agent();
return [NSString stringWithCString:user_agent.c_str()
encoding:[NSString defaultCStringEncoding]];
}
+ (void)closeAllSpdySessions {
if (g_chrome_net) {
return g_chrome_net->CloseAllSpdySessions();
}
}
+ (void)clearCacheWithCompletionCallback:(ClearCacheCallback)clearCacheCallback {
if (g_chrome_net) {
g_chrome_net->ClearCache(clearCacheCallback);
}
}
@end
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