axmol/cocos/network/HttpClient-ios.mm

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/****************************************************************************
Copyright (c) 2012 greathqy
Copyright (c) 2012 cocos2d-x.org
Copyright (c) 2013-2014 Chukong Technologies Inc.
http://www.cocos2d-x.org
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#include "HttpClient.h"
#include <thread>
#include <queue>
#include <condition_variable>
#include <errno.h>
#import "HttpAsynConnection.h"
#include "HttpCookie.h"
#include "base/CCVector.h"
#include "base/CCDirector.h"
#include "base/CCScheduler.h"
#include "platform/CCFileUtils.h"
NS_CC_BEGIN
namespace network {
static std::mutex s_requestQueueMutex;
static std::mutex s_responseQueueMutex;
static std::condition_variable_any s_SleepCondition;
static Vector<HttpRequest*>* s_requestQueue = nullptr;
static Vector<HttpResponse*>* s_responseQueue = nullptr;
static HttpClient *s_HttpClient = nullptr; // pointer to singleton
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static HttpCookie *s_cookie = nullptr;
static const int ERROR_SIZE = 256;
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static char s_errorBuffer[ERROR_SIZE] = {0};
static std::string s_cookieFilename = "";
static std::string s_sslCaFilename = "";
static int processTask(HttpRequest *request, NSString *requestType, void *stream, long *errorCode, void *headerStream, char *errorBuffer);
static void processResponse(HttpResponse* response, char* errorBuffer);
static HttpRequest *s_requestSentinel = new HttpRequest;
// Worker thread
void HttpClient::networkThread()
{
auto scheduler = Director::getInstance()->getScheduler();
while (true) @autoreleasepool {
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HttpRequest *request;
// step 1: send http request if the requestQueue isn't empty
{
std::lock_guard<std::mutex> lock(s_requestQueueMutex);
while (s_requestQueue->empty()) {
s_SleepCondition.wait(s_requestQueueMutex);
}
request = s_requestQueue->at(0);
s_requestQueue->erase(0);
}
if (request == s_requestSentinel) {
break;
}
// Create a HttpResponse object, the default setting is http access failed
HttpResponse *response = new (std::nothrow) HttpResponse(request);
processResponse(response, s_errorBuffer);
// add response packet into queue
s_responseQueueMutex.lock();
s_responseQueue->pushBack(response);
s_responseQueueMutex.unlock();
if (nullptr != s_HttpClient) {
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scheduler->performFunctionInCocosThread(CC_CALLBACK_0(HttpClient::dispatchResponseCallbacks, this));
}
}
// cleanup: if worker thread received quit signal, clean up un-completed request queue
s_requestQueueMutex.lock();
s_requestQueue->clear();
s_requestQueueMutex.unlock();
if (s_requestQueue != nullptr) {
delete s_requestQueue;
s_requestQueue = nullptr;
delete s_responseQueue;
s_responseQueue = nullptr;
}
}
// Worker thread
void HttpClient::networkThreadAlone(HttpRequest* request, HttpResponse* response)
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{
char errorBuffer[ERROR_SIZE] = { 0 };
processResponse(response, errorBuffer);
auto scheduler = Director::getInstance()->getScheduler();
scheduler->performFunctionInCocosThread([response, request]{
const ccHttpRequestCallback& callback = request->getCallback();
Ref* pTarget = request->getTarget();
SEL_HttpResponse pSelector = request->getSelector();
if (callback != nullptr)
{
callback(s_HttpClient, response);
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}
else if (pTarget && pSelector)
{
(pTarget->*pSelector)(s_HttpClient, response);
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}
response->release();
// do not release in other thread
request->release();
});
}
//Process Request
static int processTask(HttpRequest *request, NSString* requestType, void *stream, long *responseCode, void *headerStream, char *errorBuffer)
{
//create request with url
NSString* urlstring = [NSString stringWithUTF8String:request->getUrl()];
NSURL *url = [NSURL URLWithString:urlstring];
NSMutableURLRequest *nsrequest = [NSMutableURLRequest requestWithURL:url
cachePolicy:NSURLRequestReloadIgnoringLocalAndRemoteCacheData
timeoutInterval:HttpClient::getInstance()->getTimeoutForConnect()];
//set request type
[nsrequest setHTTPMethod:requestType];
/* get custom header data (if set) */
std::vector<std::string> headers=request->getHeaders();
if(!headers.empty())
{
/* append custom headers one by one */
for (std::vector<std::string>::iterator it = headers.begin(); it != headers.end(); ++it)
{
unsigned long i = it->find(':', 0);
unsigned long length = it->size();
std::string field = it->substr(0, i);
std::string value = it->substr(i+1, length-i);
NSString *headerField = [NSString stringWithUTF8String:field.c_str()];
NSString *headerValue = [NSString stringWithUTF8String:value.c_str()];
[nsrequest setValue:headerValue forHTTPHeaderField:headerField];
}
}
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//if request type is post or put,set header and data
if([requestType isEqual: @"POST"] || [requestType isEqual: @"PUT"])
{
if ([requestType isEqual: @"PUT"])
{
[nsrequest setValue: @"application/x-www-form-urlencoded" forHTTPHeaderField: @"Content-Type"];
}
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char* requestDataBuffer = request->getRequestData();
if (nullptr != requestDataBuffer && 0 != request->getRequestDataSize())
{
NSData *postData = [NSData dataWithBytes:requestDataBuffer length:request->getRequestDataSize()];
[nsrequest setHTTPBody:postData];
}
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}
//read cookie propertities from file and set cookie
if(!s_cookieFilename.empty())
{
const CookiesInfo* cookieInfo = s_cookie->getMatchCookie(request->getUrl());
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if(cookieInfo != nullptr)
{
NSString *domain = [NSString stringWithCString:cookieInfo->domain.c_str() encoding:[NSString defaultCStringEncoding]];
NSString *path = [NSString stringWithCString:cookieInfo->path.c_str() encoding:[NSString defaultCStringEncoding]];
NSString *value = [NSString stringWithCString:cookieInfo->value.c_str() encoding:[NSString defaultCStringEncoding]];
NSString *name = [NSString stringWithCString:cookieInfo->name.c_str() encoding:[NSString defaultCStringEncoding]];
// create the properties for a cookie
NSDictionary *properties = [NSDictionary dictionaryWithObjectsAndKeys: name,NSHTTPCookieName,
value, NSHTTPCookieValue, path, NSHTTPCookiePath,
domain, NSHTTPCookieDomain,
nil];
// create the cookie from the properties
NSHTTPCookie *cookie = [NSHTTPCookie cookieWithProperties:properties];
// add the cookie to the cookie storage
[[NSHTTPCookieStorage sharedHTTPCookieStorage] setCookie:cookie];
}
}
HttpAsynConnection *httpAsynConn = [[HttpAsynConnection new] autorelease];
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httpAsynConn.srcURL = urlstring;
httpAsynConn.sslFile = nil;
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if(!s_sslCaFilename.empty())
{
long len = s_sslCaFilename.length();
long pos = s_sslCaFilename.rfind('.', len-1);
httpAsynConn.sslFile = [NSString stringWithUTF8String:s_sslCaFilename.substr(0, pos-1).c_str()];
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}
[httpAsynConn startRequest:nsrequest];
while( httpAsynConn.finish != true)
{
[[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate distantFuture]];
}
//if http connection return error
if (httpAsynConn.responseError != nil)
{
NSString* errorString = [httpAsynConn.responseError localizedDescription];
strcpy(errorBuffer, [errorString UTF8String]);
return 0;
}
*responseCode = httpAsynConn.responseCode;
//add cookie to cookies vector
if(!s_cookieFilename.empty())
{
NSArray *cookies = [NSHTTPCookie cookiesWithResponseHeaderFields:httpAsynConn.responseHeader forURL:url];
for (NSHTTPCookie *cookie in cookies)
{
//NSLog(@"Cookie: %@", cookie);
NSString *domain = cookie.domain;
//BOOL session = cookie.sessionOnly;
NSString *path = cookie.path;
BOOL secure = cookie.isSecure;
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NSDate *date = cookie.expiresDate;
NSString *name = cookie.name;
NSString *value = cookie.value;
CookiesInfo cookieInfo;
cookieInfo.domain = [domain cStringUsingEncoding: NSUTF8StringEncoding];
cookieInfo.path = [path cStringUsingEncoding: NSUTF8StringEncoding];
cookieInfo.secure = (secure == YES) ? true : false;
cookieInfo.expires = [[NSString stringWithFormat:@"%ld", (long)[date timeIntervalSince1970]] cStringUsingEncoding: NSUTF8StringEncoding];
cookieInfo.name = [name cStringUsingEncoding: NSUTF8StringEncoding];
cookieInfo.value = [value cStringUsingEncoding: NSUTF8StringEncoding];
cookieInfo.tailmatch = true;
s_cookie->updateOrAddCookie(&cookieInfo);
}
}
//handle response header
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NSMutableString *header = [NSMutableString string];
[header appendFormat:@"HTTP/1.1 %ld %@\n", (long)httpAsynConn.responseCode, httpAsynConn.statusString];
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for (id key in httpAsynConn.responseHeader)
{
[header appendFormat:@"%@: %@\n", key, [httpAsynConn.responseHeader objectForKey:key]];
}
if (header.length > 0)
{
NSRange range = NSMakeRange(header.length-1, 1);
[header deleteCharactersInRange:range];
}
NSData *headerData = [header dataUsingEncoding:NSUTF8StringEncoding];
std::vector<char> *headerBuffer = (std::vector<char>*)headerStream;
const void* headerptr = [headerData bytes];
long headerlen = [headerData length];
headerBuffer->insert(headerBuffer->end(), (char*)headerptr, (char*)headerptr+headerlen);
//handle response data
std::vector<char> *recvBuffer = (std::vector<char>*)stream;
const void* ptr = [httpAsynConn.responseData bytes];
long len = [httpAsynConn.responseData length];
recvBuffer->insert(recvBuffer->end(), (char*)ptr, (char*)ptr+len);
return 1;
}
// Process Response
static void processResponse(HttpResponse* response, char* errorBuffer)
{
auto request = response->getHttpRequest();
long responseCode = -1;
int retValue = 0;
NSString* requestType = nil;
// Process the request -> get response packet
switch (request->getRequestType())
{
case HttpRequest::Type::GET: // HTTP GET
requestType = @"GET";
break;
case HttpRequest::Type::POST: // HTTP POST
requestType = @"POST";
break;
case HttpRequest::Type::PUT:
requestType = @"PUT";
break;
case HttpRequest::Type::DELETE:
requestType = @"DELETE";
break;
default:
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CCASSERT(true, "CCHttpClient: unknown request type, only GET and POSt are supported");
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break;
}
retValue = processTask(request,
requestType,
response->getResponseData(),
&responseCode,
response->getResponseHeader(),
errorBuffer);
// write data to HttpResponse
response->setResponseCode(responseCode);
if (retValue != 0)
{
response->setSucceed(true);
}
else
{
response->setSucceed(false);
response->setErrorBuffer(errorBuffer);
}
}
// HttpClient implementation
HttpClient* HttpClient::getInstance()
{
if (s_HttpClient == nullptr) {
s_HttpClient = new (std::nothrow) HttpClient();
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}
return s_HttpClient;
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}
void HttpClient::destroyInstance()
{
CC_SAFE_DELETE(s_HttpClient);
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}
void HttpClient::enableCookies(const char* cookieFile) {
if (cookieFile) {
s_cookieFilename = std::string(cookieFile);
s_cookieFilename = FileUtils::getInstance()->fullPathForFilename(s_cookieFilename);
}
else {
s_cookieFilename = (FileUtils::getInstance()->getWritablePath() + "cookieFile.txt");
}
s_cookie = new(std::nothrow)HttpCookie;
s_cookie->setCookieFileName(s_cookieFilename);
s_cookie->readFile();
}
void HttpClient::setSSLVerification(const std::string& caFile)
{
s_sslCaFilename = caFile;
}
HttpClient::HttpClient()
: _timeoutForConnect(30)
, _timeoutForRead(60)
{
}
HttpClient::~HttpClient()
{
if (s_requestQueue != nullptr) {
{
std::lock_guard<std::mutex> lock(s_requestQueueMutex);
s_requestQueue->pushBack(s_requestSentinel);
}
s_SleepCondition.notify_one();
}
s_HttpClient = nullptr;
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if(!s_cookieFilename.empty())
{
s_cookie->writeFile();
//delete s_cookie;
}
//s_cookie = nullptr;
}
//Lazy create semaphore & mutex & thread
bool HttpClient::lazyInitThreadSemphore()
{
if (s_requestQueue != nullptr) {
return true;
} else {
s_requestQueue = new (std::nothrow) Vector<HttpRequest*>();
s_responseQueue = new (std::nothrow) Vector<HttpResponse*>();
auto t = std::thread(CC_CALLBACK_0(HttpClient::networkThread, this));
t.detach();
}
return true;
}
//Add a get task to queue
void HttpClient::send(HttpRequest* request)
{
if (false == lazyInitThreadSemphore())
{
return;
}
if (!request)
{
return;
}
request->retain();
if (nullptr != s_requestQueue) {
s_requestQueueMutex.lock();
s_requestQueue->pushBack(request);
s_requestQueueMutex.unlock();
// Notify thread start to work
s_SleepCondition.notify_one();
}
}
void HttpClient::sendImmediate(HttpRequest* request)
{
if(!request)
{
return;
}
request->retain();
// Create a HttpResponse object, the default setting is http access failed
HttpResponse *response = new (std::nothrow) HttpResponse(request);
auto t = std::thread(&HttpClient::networkThreadAlone, this, request, response);
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t.detach();
}
// Poll and notify main thread if responses exists in queue
void HttpClient::dispatchResponseCallbacks()
{
// log("CCHttpClient::dispatchResponseCallbacks is running");
//occurs when cocos thread fires but the network thread has already quited
if (nullptr == s_responseQueue) {
return;
}
HttpResponse* response = nullptr;
s_responseQueueMutex.lock();
if (!s_responseQueue->empty())
{
response = s_responseQueue->at(0);
s_responseQueue->erase(0);
}
s_responseQueueMutex.unlock();
if (response)
{
HttpRequest *request = response->getHttpRequest();
const ccHttpRequestCallback& callback = request->getCallback();
Ref* pTarget = request->getTarget();
SEL_HttpResponse pSelector = request->getSelector();
if (callback != nullptr)
{
callback(this, response);
}
else if (pTarget && pSelector)
{
(pTarget->*pSelector)(this, response);
}
response->release();
// do not release in other thread
request->release();
}
}
}
NS_CC_END