NSMutableURLRequest setHTTPShouldUsePipelining example ios

setHTTPShouldUsePipelining:

Sets whether the request can continue transmitting data before receiving a response from an earlier transmission.

- (void)setHTTPShouldUsePipelining:(BOOL)shouldUsePipelining

Parameters of [NSMutableURLRequest setHTTPShouldUsePipelining]

shouldUsePipelining

If YES, the request should continue transmitting data; if NO, the request should wait for a response.

Discussion of [NSMutableURLRequest setHTTPShouldUsePipelining]

Specifying YES does not guarantee HTTP pipelining behavior, because some servers do not support pipelining.

Example of [NSMutableURLRequest setHTTPShouldUsePipelining]

 - (NSMutableURLRequest *)requestWithMethod:(NSString *)method 
                                      path:(NSString *)path 
                                parameters:(NSDictionary *)parameters 
{   
    NSURL *url = [NSURL URLWithString:path relativeToURL:self.baseURL];
    NSMutableURLRequest *request = [[[NSMutableURLRequest alloc] initWithURL:url] autorelease];
    [request setHTTPMethod:method];
    [request setAllHTTPHeaderFields:self.defaultHeaders];

    if ([method isEqualToString:@"GET"] || [method isEqualToString:@"HEAD"]) {
        [request setHTTPShouldUsePipelining:YES];
    }

    if (parameters) {        
        if ([method isEqualToString:@"GET"] || [method isEqualToString:@"HEAD"] || [method isEqualToString:@"DELETE"] || [method isEqualToString:@"PUT"]) {
            url = [NSURL URLWithString:[[url absoluteString] stringByAppendingFormat:[path rangeOfString:@"?"].location == NSNotFound ? @"?%@" : @"&%@", AFQueryStringFromParametersWithEncoding(parameters, self.stringEncoding)]];
            [request setURL:url];
        } else {
            NSString *charset = (NSString *)CFStringConvertEncodingToIANACharSetName(CFStringConvertNSStringEncodingToEncoding(self.stringEncoding));
            switch (self.parameterEncoding) {
                case AFFormURLParameterEncoding:;
                    [request setValue:[NSString stringWithFormat:@"application/x-www-form-urlencoded; charset=%@", charset] forHTTPHeaderField:@"Content-Type"];
                    [request setHTTPBody:[AFQueryStringFromParametersWithEncoding(parameters, self.stringEncoding) dataUsingEncoding:self.stringEncoding]];
                    break;
                case AFJSONParameterEncoding:;
                    [request setValue:[NSString stringWithFormat:@"application/json; charset=%@", charset] forHTTPHeaderField:@"Content-Type"];
                    [request setHTTPBody:[AFJSONStringFromParameters(parameters) dataUsingEncoding:self.stringEncoding]];
                    break;
                case AFPropertyListParameterEncoding:;
                    [request setValue:[NSString stringWithFormat:@"application/x-plist; charset=%@", charset] forHTTPHeaderField:@"Content-Type"];
                    [request setHTTPBody:[AFPropertyListStringFromParameters(parameters) dataUsingEncoding:self.stringEncoding]];
                    break;
            }
        }
    }

    return request;
}