mirror of
https://github.com/swisspol/GCDWebServer.git
synced 2026-05-13 00:02:02 +08:00
Moved GCDWebServerConnection to its own source files
This commit is contained in:
Pierre-Olivier Latour
+3
-483
@@ -25,56 +25,10 @@
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#import <TargetConditionals.h>
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#if TARGET_OS_IPHONE
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#import <CFNetwork/CFNetwork.h>
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#import <MobileCoreServices/MobileCoreServices.h>
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#else
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#import <ApplicationServices/ApplicationServices.h>
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#import <CoreServices/CoreServices.h>
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#endif
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#import <sys/fcntl.h>
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#import <sys/stat.h>
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#import <netinet/in.h>
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#import "GCDWebServerPrivate.h"
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#define kReadWriteQueue dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0)
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#define kHeadersReadBuffer 1024
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#define kBodyWriteBufferSize (32 * 1024)
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typedef void (^ReadBufferCompletionBlock)(dispatch_data_t buffer);
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typedef void (^ReadDataCompletionBlock)(NSData* data);
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typedef void (^ReadHeadersCompletionBlock)(NSData* extraData);
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typedef void (^ReadBodyCompletionBlock)(BOOL success);
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typedef void (^WriteBufferCompletionBlock)(BOOL success);
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typedef void (^WriteDataCompletionBlock)(BOOL success);
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typedef void (^WriteHeadersCompletionBlock)(BOOL success);
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typedef void (^WriteBodyCompletionBlock)(BOOL success);
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@interface GCDWebServerHandler : NSObject {
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@private
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GCDWebServerMatchBlock _matchBlock;
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GCDWebServerProcessBlock _processBlock;
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}
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@property(nonatomic, readonly) GCDWebServerMatchBlock matchBlock;
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@property(nonatomic, readonly) GCDWebServerProcessBlock processBlock;
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- (id) initWithMatchBlock:(GCDWebServerMatchBlock)matchBlock processBlock:(GCDWebServerProcessBlock)processBlock;
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@end
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@interface GCDWebServerConnection ()
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- (id) initWithServer:(GCDWebServer*)server address:(NSData*)address socket:(CFSocketNativeHandle)socket;
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@end
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@interface GCDWebServer ()
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@property(nonatomic, readonly) NSArray* handlers;
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@end
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static NSData* _separatorData = nil;
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static NSData* _continueData = nil;
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static NSDateFormatter* _dateFormatter = nil;
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static dispatch_queue_t _formatterQueue = NULL;
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static BOOL _run;
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NSString* GCDWebServerGetMimeTypeForExtension(NSString* extension) {
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@@ -99,7 +53,7 @@ NSString* GCDWebServerGetMimeTypeForExtension(NSString* extension) {
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return mimeType;
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}
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static NSString* _UnescapeURLString(NSString* string) {
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NSString* GCDWebServerUnescapeURLString(NSString* string) {
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return [(id)CFURLCreateStringByReplacingPercentEscapesUsingEncoding(kCFAllocatorDefault, (CFStringRef)string, CFSTR(""),
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kCFStringEncodingUTF8) autorelease];
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}
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@@ -122,7 +76,7 @@ NSDictionary* GCDWebServerParseURLEncodedForm(NSString* form) {
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key = [key stringByReplacingOccurrencesOfString:@"+" withString:@" "];
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value = [value stringByReplacingOccurrencesOfString:@"+" withString:@" "];
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[parameters setObject:_UnescapeURLString(value) forKey:_UnescapeURLString(key)];
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[parameters setObject:GCDWebServerUnescapeURLString(value) forKey:GCDWebServerUnescapeURLString(key)];
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if ([scanner isAtEnd]) {
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break;
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@@ -159,446 +113,12 @@ static void _SignalHandler(int signal) {
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@end
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@implementation GCDWebServerConnection (Read)
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- (void) _readBufferWithLength:(NSUInteger)length completionBlock:(ReadBufferCompletionBlock)block {
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dispatch_read(_socket, length, kReadWriteQueue, ^(dispatch_data_t buffer, int error) {
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@autoreleasepool {
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if (error == 0) {
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size_t size = dispatch_data_get_size(buffer);
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if (size > 0) {
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LOG_DEBUG(@"Connection received %i bytes on socket %i", size, _socket);
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_bytesRead += size;
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block(buffer);
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} else {
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if (_bytesRead > 0) {
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LOG_ERROR(@"No more data available on socket %i", _socket);
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} else {
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LOG_WARNING(@"No data received from socket %i", _socket);
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}
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block(NULL);
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}
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} else {
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LOG_ERROR(@"Error while reading from socket %i: %s (%i)", _socket, strerror(error), error);
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block(NULL);
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}
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}
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});
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}
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- (void) _readDataWithCompletionBlock:(ReadDataCompletionBlock)block {
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[self _readBufferWithLength:SIZE_T_MAX completionBlock:^(dispatch_data_t buffer) {
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if (buffer) {
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NSMutableData* data = [[NSMutableData alloc] initWithCapacity:dispatch_data_get_size(buffer)];
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dispatch_data_apply(buffer, ^bool(dispatch_data_t region, size_t offset, const void* buffer, size_t size) {
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[data appendBytes:buffer length:size];
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return true;
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});
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block(data);
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[data release];
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} else {
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block(nil);
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}
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}];
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}
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- (void) _readHeadersWithCompletionBlock:(ReadHeadersCompletionBlock)block {
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DCHECK(_requestMessage);
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NSMutableData* data = [NSMutableData dataWithCapacity:kHeadersReadBuffer];
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[self _readBufferWithLength:SIZE_T_MAX completionBlock:^(dispatch_data_t buffer) {
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if (buffer) {
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dispatch_data_apply(buffer, ^bool(dispatch_data_t region, size_t offset, const void* buffer, size_t size) {
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[data appendBytes:buffer length:size];
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return true;
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});
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NSRange range = [data rangeOfData:_separatorData options:0 range:NSMakeRange(0, data.length)];
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if (range.location == NSNotFound) {
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[self _readHeadersWithCompletionBlock:block];
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} else {
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NSUInteger length = range.location + range.length;
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if (CFHTTPMessageAppendBytes(_requestMessage, data.bytes, length)) {
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if (CFHTTPMessageIsHeaderComplete(_requestMessage)) {
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block([data subdataWithRange:NSMakeRange(length, data.length - length)]);
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} else {
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LOG_ERROR(@"Failed parsing request headers from socket %i", _socket);
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block(nil);
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}
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} else {
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LOG_ERROR(@"Failed appending request headers data from socket %i", _socket);
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block(nil);
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}
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}
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} else {
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block(nil);
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}
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}];
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}
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- (void) _readBodyWithRemainingLength:(NSUInteger)length completionBlock:(ReadBodyCompletionBlock)block {
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DCHECK([_request hasBody]);
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[self _readBufferWithLength:length completionBlock:^(dispatch_data_t buffer) {
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if (buffer) {
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NSInteger remainingLength = length - dispatch_data_get_size(buffer);
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if (remainingLength >= 0) {
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bool success = dispatch_data_apply(buffer, ^bool(dispatch_data_t region, size_t offset, const void* buffer, size_t size) {
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NSInteger result = [_request write:buffer maxLength:size];
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if (result != size) {
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LOG_ERROR(@"Failed writing request body on socket %i (error %i)", _socket, (int)result);
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return false;
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}
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return true;
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});
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if (success) {
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if (remainingLength > 0) {
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[self _readBodyWithRemainingLength:remainingLength completionBlock:block];
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} else {
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block(YES);
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}
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} else {
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block(NO);
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}
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} else {
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DNOT_REACHED();
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block(NO);
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}
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} else {
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block(NO);
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}
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}];
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}
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@end
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@implementation GCDWebServerConnection (Write)
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- (void) _writeBuffer:(dispatch_data_t)buffer withCompletionBlock:(WriteBufferCompletionBlock)block {
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size_t size = dispatch_data_get_size(buffer);
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dispatch_write(_socket, buffer, kReadWriteQueue, ^(dispatch_data_t data, int error) {
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@autoreleasepool {
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if (error == 0) {
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DCHECK(data == NULL);
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LOG_DEBUG(@"Connection sent %i bytes on socket %i", size, _socket);
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_bytesWritten += size;
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block(YES);
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} else {
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LOG_ERROR(@"Error while writing to socket %i: %s (%i)", _socket, strerror(error), error);
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block(NO);
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}
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}
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});
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}
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- (void) _writeData:(NSData*)data withCompletionBlock:(WriteDataCompletionBlock)block {
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[data retain];
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dispatch_data_t buffer = dispatch_data_create(data.bytes, data.length, dispatch_get_current_queue(), ^{
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[data release];
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});
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[self _writeBuffer:buffer withCompletionBlock:block];
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dispatch_release(buffer);
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}
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- (void) _writeHeadersWithCompletionBlock:(WriteHeadersCompletionBlock)block {
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DCHECK(_responseMessage);
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CFDataRef message = CFHTTPMessageCopySerializedMessage(_responseMessage);
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[self _writeData:(NSData*)message withCompletionBlock:block];
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CFRelease(message);
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}
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- (void) _writeBodyWithCompletionBlock:(WriteBodyCompletionBlock)block {
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DCHECK([_response hasBody]);
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void* buffer = malloc(kBodyWriteBufferSize);
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NSInteger result = [_response read:buffer maxLength:kBodyWriteBufferSize];
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if (result > 0) {
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dispatch_data_t wrapper = dispatch_data_create(buffer, result, NULL, DISPATCH_DATA_DESTRUCTOR_FREE);
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[self _writeBuffer:wrapper withCompletionBlock:^(BOOL success) {
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if (success) {
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[self _writeBodyWithCompletionBlock:block];
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} else {
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block(NO);
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}
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}];
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dispatch_release(wrapper);
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} else if (result < 0) {
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LOG_ERROR(@"Failed reading response body on socket %i (error %i)", _socket, (int)result);
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block(NO);
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free(buffer);
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} else {
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block(YES);
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free(buffer);
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}
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}
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@end
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@implementation GCDWebServerConnection
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@synthesize server=_server, address=_address, totalBytesRead=_bytesRead, totalBytesWritten=_bytesWritten;
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- (void) _initializeResponseHeadersWithStatusCode:(NSInteger)statusCode {
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_responseMessage = CFHTTPMessageCreateResponse(kCFAllocatorDefault, statusCode, NULL, kCFHTTPVersion1_1);
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CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("Connection"), CFSTR("Close"));
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CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("Server"), (CFStringRef)[[_server class] serverName]);
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dispatch_sync(_formatterQueue, ^{
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NSString* date = [_dateFormatter stringFromDate:[NSDate date]];
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CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("Date"), (CFStringRef)date);
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});
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}
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- (void) _abortWithStatusCode:(NSUInteger)statusCode {
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DCHECK(_responseMessage == NULL);
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DCHECK((statusCode >= 400) && (statusCode < 600));
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[self _initializeResponseHeadersWithStatusCode:statusCode];
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[self _writeHeadersWithCompletionBlock:^(BOOL success) {
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; // Nothing more to do
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}];
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LOG_DEBUG(@"Connection aborted with status code %i on socket %i", statusCode, _socket);
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}
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// http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
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- (void) _processRequest {
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DCHECK(_responseMessage == NULL);
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GCDWebServerResponse* response = [self processRequest:_request withBlock:_handler.processBlock];
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if (![response hasBody] || [response open]) {
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_response = [response retain];
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}
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if (_response) {
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[self _initializeResponseHeadersWithStatusCode:_response.statusCode];
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NSUInteger maxAge = _response.cacheControlMaxAge;
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if (maxAge > 0) {
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CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("Cache-Control"), (CFStringRef)[NSString stringWithFormat:@"max-age=%i, public", (int)maxAge]);
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} else {
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CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("Cache-Control"), CFSTR("no-cache"));
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}
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[_response.additionalHeaders enumerateKeysAndObjectsUsingBlock:^(id key, id obj, BOOL* stop) {
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CFHTTPMessageSetHeaderFieldValue(_responseMessage, (CFStringRef)key, (CFStringRef)obj);
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}];
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if ([_response hasBody]) {
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CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("Content-Type"), (CFStringRef)_response.contentType);
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CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("Content-Length"), (CFStringRef)[NSString stringWithFormat:@"%i", (int)_response.contentLength]);
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}
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[self _writeHeadersWithCompletionBlock:^(BOOL success) {
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if (success) {
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if ([_response hasBody]) {
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[self _writeBodyWithCompletionBlock:^(BOOL success) {
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[_response close]; // Can't do anything with result anyway
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}];
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}
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} else if ([_response hasBody]) {
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[_response close]; // Can't do anything with result anyway
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}
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}];
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} else {
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[self _abortWithStatusCode:500];
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}
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}
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- (void) _readRequestBody:(NSData*)initialData {
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if ([_request open]) {
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NSInteger length = _request.contentLength;
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if (initialData.length) {
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NSInteger result = [_request write:initialData.bytes maxLength:initialData.length];
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if (result == initialData.length) {
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length -= initialData.length;
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DCHECK(length >= 0);
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} else {
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LOG_ERROR(@"Failed writing request body on socket %i (error %i)", _socket, (int)result);
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length = -1;
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}
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}
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if (length > 0) {
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[self _readBodyWithRemainingLength:length completionBlock:^(BOOL success) {
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if (![_request close]) {
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success = NO;
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}
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if (success) {
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[self _processRequest];
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} else {
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[self _abortWithStatusCode:500];
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}
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}];
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} else if (length == 0) {
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if ([_request close]) {
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[self _processRequest];
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} else {
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[self _abortWithStatusCode:500];
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}
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} else {
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[_request close]; // Can't do anything with result anyway
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[self _abortWithStatusCode:500];
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}
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} else {
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[self _abortWithStatusCode:500];
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}
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}
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- (void) _readRequestHeaders {
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_requestMessage = CFHTTPMessageCreateEmpty(kCFAllocatorDefault, true);
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[self _readHeadersWithCompletionBlock:^(NSData* extraData) {
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if (extraData) {
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NSString* requestMethod = [[(id)CFHTTPMessageCopyRequestMethod(_requestMessage) autorelease] uppercaseString];
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DCHECK(requestMethod);
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NSURL* requestURL = [(id)CFHTTPMessageCopyRequestURL(_requestMessage) autorelease];
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DCHECK(requestURL);
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NSString* requestPath = _UnescapeURLString([(id)CFURLCopyPath((CFURLRef)requestURL) autorelease]); // Don't use -[NSURL path] which strips the ending slash
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DCHECK(requestPath);
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NSDictionary* requestQuery = nil;
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NSString* queryString = [(id)CFURLCopyQueryString((CFURLRef)requestURL, NULL) autorelease]; // Don't use -[NSURL query] to make sure query is not unescaped;
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if (queryString.length) {
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requestQuery = GCDWebServerParseURLEncodedForm(queryString);
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DCHECK(requestQuery);
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}
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NSDictionary* requestHeaders = [(id)CFHTTPMessageCopyAllHeaderFields(_requestMessage) autorelease];
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DCHECK(requestHeaders);
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for (_handler in _server.handlers) {
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_request = [_handler.matchBlock(requestMethod, requestURL, requestHeaders, requestPath, requestQuery) retain];
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if (_request) {
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break;
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}
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}
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if (_request) {
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if (_request.hasBody) {
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if (extraData.length <= _request.contentLength) {
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NSString* expectHeader = [(id)CFHTTPMessageCopyHeaderFieldValue(_requestMessage, CFSTR("Expect")) autorelease];
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if (expectHeader) {
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if ([expectHeader caseInsensitiveCompare:@"100-continue"] == NSOrderedSame) {
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[self _writeData:_continueData withCompletionBlock:^(BOOL success) {
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if (success) {
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[self _readRequestBody:extraData];
|
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}
|
||||
|
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}];
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} else {
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LOG_ERROR(@"Unsupported 'Expect' / 'Content-Length' header combination on socket %i", _socket);
|
||||
[self _abortWithStatusCode:417];
|
||||
}
|
||||
} else {
|
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[self _readRequestBody:extraData];
|
||||
}
|
||||
} else {
|
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LOG_ERROR(@"Unexpected 'Content-Length' header value on socket %i", _socket);
|
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[self _abortWithStatusCode:400];
|
||||
}
|
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} else {
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[self _processRequest];
|
||||
}
|
||||
} else {
|
||||
[self _abortWithStatusCode:405];
|
||||
}
|
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} else {
|
||||
[self _abortWithStatusCode:500];
|
||||
}
|
||||
|
||||
}];
|
||||
}
|
||||
|
||||
- (id) initWithServer:(GCDWebServer*)server address:(NSData*)address socket:(CFSocketNativeHandle)socket {
|
||||
if ((self = [super init])) {
|
||||
_server = [server retain];
|
||||
_address = [address retain];
|
||||
_socket = socket;
|
||||
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[self open];
|
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}
|
||||
return self;
|
||||
}
|
||||
|
||||
- (void) dealloc {
|
||||
[self close];
|
||||
|
||||
[_server release];
|
||||
[_address release];
|
||||
|
||||
if (_requestMessage) {
|
||||
CFRelease(_requestMessage);
|
||||
}
|
||||
[_request release];
|
||||
|
||||
if (_responseMessage) {
|
||||
CFRelease(_responseMessage);
|
||||
}
|
||||
[_response release];
|
||||
|
||||
[super dealloc];
|
||||
}
|
||||
|
||||
@end
|
||||
|
||||
@implementation GCDWebServerConnection (Subclassing)
|
||||
|
||||
- (void) open {
|
||||
LOG_DEBUG(@"Did open connection on socket %i", _socket);
|
||||
[self _readRequestHeaders];
|
||||
}
|
||||
|
||||
- (GCDWebServerResponse*) processRequest:(GCDWebServerRequest*)request withBlock:(GCDWebServerProcessBlock)block {
|
||||
LOG_DEBUG(@"Connection on socket %i processing %@ request for \"%@\" (%i bytes body)", _socket, _request.method, _request.path, _request.contentLength);
|
||||
GCDWebServerResponse* response = nil;
|
||||
@try {
|
||||
response = block(request);
|
||||
}
|
||||
@catch (NSException* exception) {
|
||||
LOG_EXCEPTION(exception);
|
||||
}
|
||||
return response;
|
||||
}
|
||||
|
||||
- (void) close {
|
||||
close(_socket);
|
||||
LOG_DEBUG(@"Did close connection on socket %i", _socket);
|
||||
}
|
||||
|
||||
@end
|
||||
|
||||
@implementation GCDWebServer
|
||||
|
||||
@synthesize handlers=_handlers, port=_port;
|
||||
|
||||
+ (void) initialize {
|
||||
DCHECK([NSThread isMainThread]); // NSDateFormatter should be initialized on main thread
|
||||
if (_separatorData == nil) {
|
||||
_separatorData = [[NSData alloc] initWithBytes:"\r\n\r\n" length:4];
|
||||
DCHECK(_separatorData);
|
||||
}
|
||||
if (_continueData == nil) {
|
||||
CFHTTPMessageRef message = CFHTTPMessageCreateResponse(kCFAllocatorDefault, 100, NULL, kCFHTTPVersion1_1);
|
||||
_continueData = (NSData*)CFHTTPMessageCopySerializedMessage(message);
|
||||
CFRelease(message);
|
||||
DCHECK(_continueData);
|
||||
}
|
||||
if (_dateFormatter == nil) {
|
||||
_dateFormatter = [[NSDateFormatter alloc] init];
|
||||
_dateFormatter.timeZone = [NSTimeZone timeZoneWithAbbreviation:@"GMT"];
|
||||
_dateFormatter.dateFormat = @"EEE',' dd MMM yyyy HH':'mm':'ss 'GMT'";
|
||||
_dateFormatter.locale = [[[NSLocale alloc] initWithLocaleIdentifier:@"en_US"] autorelease];
|
||||
DCHECK(_dateFormatter);
|
||||
}
|
||||
if (_formatterQueue == NULL) {
|
||||
_formatterQueue = dispatch_queue_create(NULL, DISPATCH_QUEUE_SERIAL);
|
||||
DCHECK(_formatterQueue);
|
||||
}
|
||||
[GCDWebServerConnection class]; // Initialize class immediately to make sure it happens on the main thread
|
||||
}
|
||||
|
||||
- (id) init {
|
||||
|
||||
Reference in New Issue
Block a user