CFNetwork 网络请求2
//
// CFNetworkTest2.m
// TestCF
//
// Created by Jabez on 15/5/11.
// Copyright (c) 2015年 John. All rights reserved.
//
#import "CFNetworkTest2.h"
#import
#import
@interface CFNetworkTest2 ()
@property (nonatomic, strong) NSMutableData *responseData;
@end
@implementation CFNetworkTest2
- (void)sendMessage
{
self.responseData = [NSMutableData data];
[self sendRequest];
}
- (void)sendRequest
{
CFStringRef url = CFSTR("http://jabez.local/~jabez/test/response/response0");
CFURLRef myURL = CFURLCreateWithString(kCFAllocatorDefault, url, NULL);
CFStringRef requestMethod = CFSTR("POST");
CFHTTPMessageRef myRequest = CFHTTPMessageCreateRequest(kCFAllocatorDefault, requestMethod, myURL, kCFHTTPVersion1_1);
NSString *body = @"key=cfnetworkTest2";
NSData *bodyData = [body dataUsingEncoding:NSUTF8StringEncoding];
CFHTTPMessageSetBody(myRequest, (__bridge CFDataRef)bodyData);
CFHTTPMessageSetHeaderFieldValue(myRequest, CFSTR("key"), CFSTR("headValue2"));
CFReadStreamRef requestReadStream = CFReadStreamCreateForHTTPRequest(NULL, myRequest);
CFStreamClientContext clientContext = { 0, (__bridge void *)(self), NULL, NULL, NULL };
CFOptionFlags flags = kCFStreamEventHasBytesAvailable |
kCFStreamEventEndEncountered |
kCFStreamEventErrorOccurred;
Boolean result = CFReadStreamSetClient(requestReadStream, flags, myCFReadStreamClientCallback, &clientContext);
if (result) {
CFReadStreamScheduleWithRunLoop(requestReadStream, CFRunLoopGetCurrent(), kCFRunLoopCommonModes);
if (CFReadStreamOpen(requestReadStream)) {
CFRunLoopRun();
} else {
CFReadStreamUnscheduleFromRunLoop(requestReadStream, CFRunLoopGetCurrent(), kCFRunLoopCommonModes);
}
}
CFRelease(myURL);
CFRelease(myRequest);
}
- (void)requestError
{
NSLog(@"request error");
}
- (void)finishRequestOK
{
NSString *responseString = [[NSString alloc] initWithData:_responseData encoding:NSUTF8StringEncoding];
NSLog(@"resposneString: %@", responseString);
}
- (void)appendBytes:(const void *)bytes length:(NSUInteger)length
{
[_responseData appendBytes:bytes length:length];
}
static void myCFReadStreamClientCallback(CFReadStreamRef stream, CFStreamEventType type, void *cientCallbackInfo) {
CFNetworkTest2 *delegate = (__bridge CFNetworkTest2 *)cientCallbackInfo;
if (type == kCFStreamEventEndEncountered) {
[delegate finishRequestOK];
} else if (type == kCFStreamEventErrorOccurred) {
CFReadStreamUnscheduleFromRunLoop(stream, CFRunLoopGetCurrent(), kCFRunLoopCommonModes);
CFReadStreamClose(stream);
CFRelease(stream);
stream = NULL;
[delegate requestError];
} else if (type == kCFStreamEventHasBytesAvailable) {
UInt8 buffer[1024];
CFIndex numBytesRead;
numBytesRead = CFReadStreamRead(stream, buffer, sizeof(buffer));
[delegate appendBytes:buffer length:numBytesRead];
}
}
@end