//
#import "ITInetSocket.h"
+#import "ITServiceBrowserDelegate.h"
+#import <sys/socket.h>
+#import <arpa/inet.h>
+#import <unistd.h>
+@interface ITInetSocket(Debugging)
+-(NSString*)dumpv6Addrinfo:(struct addrinfo *)_ai;
+@end
+
+@interface ITInetSocket(Private)
+-(void)doConnSetupWithHost:(NSString*)host namedPort:(NSString*)namedPort;
+-(void)realDoConnection;
+-(void)spinoffReadLoop;
+-(void)socketReadLoop:(id)data;
+@end
@implementation ITInetSocket
--(id)initWithFD:(int)fd delegate:(id)d
++(void)startAutoconnectingToService:(NSString*)type delegate:(id <ITInetSocketDelegate,NSObject>)d
+{
+ NSNetServiceBrowser *browse = [[NSNetServiceBrowser alloc] init];
+ ITServiceBrowserDelegate *bd = [[ITServiceBrowserDelegate alloc] initWithDelegate:d];
+
+ [browse setDelegate:bd];
+ [browse searchForServicesOfType:[NSString stringWithFormat:@"_%@._tcp.",type] inDomain:@""];
+}
+
+-(id)initWithFD:(int)fd delegate:(id <ITInetSocketDelegate,NSObject>)d
+{
+ if (self = [super init])
+ {
+ state = ITInetSocketListening;
+ sockfd = fd;
+ delegate = [d retain];
+ port = 0;
+ writePipe = [[ITByteStream alloc] initWithDelegate:self];
+ readPipe = [[ITByteStream alloc] initWithDelegate:d];
+ ai = nil;
+ sarr = nil;
+ bufs = 512;
+ actionflag = dieflag = 0;
+ nc = 0;
+ }
+ [self spinoffReadLoop];
+ return self;
+}
+
+-(id)initWithDelegate:(id <ITInetSocketDelegate,NSObject>)d
+{
+ if (self = [super init])
+ {
+ state = ITInetSocketDisconnected;
+ sockfd = -1;
+ delegate = [d retain];
+ port = 0;
+ writePipe = [[ITByteStream alloc] initWithDelegate:self];
+ readPipe = [[ITByteStream alloc] initWithDelegate:d];
+ ai = nil;
+ sarr = nil;
+ bufs = 512;
+ actionflag = dieflag = 0;
+ nc = 1;
+ }
+ return self;
+}
+
+
+-(void) dealloc
{
- return nil;
+ shutdown(sockfd,2);
+ [delegate release];
+ [writePipe release];
+ [readPipe release];
+ if (!sarr) freeaddrinfo(ai);
+ [sarr release];
+}
+
+-(void) connectToHost:(NSString*)host onPort:(short)thePort
+{
+ if (state == ITInetSocketDisconnected)
+ {
+ NSString *nport = [[NSNumber numberWithShort:thePort] stringValue];
+ [self doConnSetupWithHost:host namedPort:nport];
+ }
+}
+
+-(void) connectToHost:(NSString*)host onNamedPort:(NSString*)_port
+{
+ if (state == ITInetSocketDisconnected)
+ {
+ [self doConnSetupWithHost:host namedPort:_port];
+ }
+}
+
+-(void) connectWithSockaddrArray:(NSArray*)arr
+{
+ if (state == ITInetSocketDisconnected)
+ {
+ NSEnumerator *e = [arr objectEnumerator];
+ NSData *d;
+ struct addrinfo *a;
+ ai = malloc(sizeof(struct addrinfo));
+ a = ai;
+ while (d = [e nextObject])
+ {
+ struct sockaddr *s = (struct sockaddr*)[d bytes];
+ bzero(a,sizeof(struct addrinfo));
+ a->ai_family = s->sa_family;
+ a->ai_addr = s;
+ a->ai_next = malloc(sizeof(struct addrinfo));
+ a = a->ai_next;
+ }
+ ai_cur = ai;
+ [self realDoConnection];
+ }
}
-(void)disconnect
{
+ NSLog(@"Got a disconnect");
+ dieflag = 1;
+}
+
+-(void)retryConnection
+{
+ ai_cur = ai_cur->ai_next?ai_cur->ai_next:ai_cur;
+ [self disconnect];
+ [self realDoConnection];
+}
+
+-(ITInetSocketState)state
+{
+ return state;
+}
+-(id <ITInetSocketDelegate>)delegate
+{
+ return delegate;
+}
+
+-(unsigned short)bufferSize
+{
+ return bufs;
+}
+
+-(void)setBufferSize:(unsigned short)_bufs
+{
+ bufs = _bufs;
+}
+
+-(void)newDataAdded:(ITByteStream*)sender
+{
+ NSLog(@"writePipe got something");
+ actionflag = 1;
+ do {} while (actionflag == 1);
+ NSLog(@"thread saw actionFlag");
}
@end
+
+@implementation ITInetSocket(Debugging)
+-(NSString*)dumpv6Addrinfo:(struct addrinfo *)_ai
+{
+ const char *cfmt =
+ "{\n"
+ "Flags = %x\n"
+ "Family = %x\n"
+ "Socktype = %x\n"
+ "Protocol = %x\n"
+ "Canonname = %s\n"
+ "Sockaddr = \n"
+ "\t{\n"
+ "\tLength = %x\n"
+ "\tFamily = %x\n"
+ "\tPort = %d\n"
+ "\tFlowinfo = %x\n"
+ "\tAddr = {%hx:%hx:%hx:%hx:%hx:%hx:%hx:%hx}\n"
+ "\tScope = %x\n"
+ "\t}\n"
+ "Next = %@\n"
+ "}\n";
+ NSString *nsfmt = [NSString stringWithCString:cfmt];
+ struct sockaddr_in6 *sa = (struct sockaddr_in6 *)_ai->ai_addr;
+ NSString *buf = [[NSMutableString alloc] initWithFormat:nsfmt,_ai->ai_flags,_ai->ai_family,_ai->ai_socktype,_ai->ai_protocol,_ai->ai_canonname?_ai->ai_canonname:"",sa->sin6_len,sa->sin6_family,sa->sin6_port,sa->sin6_flowinfo,sa->sin6_addr.__u6_addr.__u6_addr16[0],sa->sin6_addr.__u6_addr.__u6_addr16[1],sa->sin6_addr.__u6_addr.__u6_addr16[2],sa->sin6_addr.__u6_addr.__u6_addr16[3],sa->sin6_addr.__u6_addr.__u6_addr16[4],sa->sin6_addr.__u6_addr.__u6_addr16[5],sa->sin6_addr.__u6_addr.__u6_addr16[6],sa->sin6_addr.__u6_addr.__u6_addr16[7],sa->sin6_scope_id,_ai->ai_next?[self dumpv6Addrinfo:_ai->ai_next]:@"nil"];
+
+ return buf;
+}
+@end
+
+@implementation ITInetSocket(Private)
+-(void)doConnSetupWithHost:(NSString*)host namedPort:(NSString*)namedPort
+{
+ struct addrinfo hints;
+ int err;
+ const char *portNam = [namedPort cString], *hostCStr = [host cString];
+ state = ITInetSocketConnecting;
+ hints.ai_flags = 0;
+ hints.ai_family = PF_UNSPEC;
+ hints.ai_socktype = SOCK_STREAM;
+ hints.ai_protocol = IPPROTO_TCP;
+ hints.ai_addrlen = 0;
+ hints.ai_canonname = NULL;
+ hints.ai_addr = NULL;
+ hints.ai_next = NULL;
+
+ err = getaddrinfo(hostCStr,portNam,&hints,&ai);
+
+ NSLog(@"%s, h %@ p %@",gai_strerror(err),host,namedPort);
+ NSLog(ai?[self dumpv6Addrinfo:ai]:@"");
+ ai_cur = ai;
+ [self realDoConnection];
+}
+
+-(void)realDoConnection
+{
+ sockfd = socket(ai_cur->ai_family,SOCK_STREAM,IPPROTO_TCP);
+ [self spinoffReadLoop];
+}
+
+-(void)spinoffReadLoop
+{
+ NSPort *p1 = [NSPort port], *p2 = [NSPort port];
+ NSConnection *dcon = [[NSConnection alloc] initWithReceivePort:p1 sendPort:p2];
+ NSArray *par = [NSArray arrayWithObjects:p2,p1,nil];
+ [dcon setRootObject:delegate];
+ [NSThread detachNewThreadSelector:@selector(socketReadLoop:) toTarget:self withObject:par]; //spawn read thread
+}
+
+-(void)socketReadLoop:(id)data
+{
+ NSAutoreleasePool *ap = [[NSAutoreleasePool alloc] init];
+ NSConnection *dcon = [[NSConnection alloc] initWithReceivePort:[data objectAtIndex:0] sendPort:[data objectAtIndex:1]];
+ NSProxy *dp = [[dcon rootProxy] retain];
+ char *buf = malloc(bufs);
+ unsigned long readLen = 0;
+ signed int err;
+ [readPipe setDelegate:dp];
+ if (nc){
+ NSLog(@"Connecting");
+ err = connect(sockfd,ai_cur->ai_addr,ai_cur->ai_addrlen);
+ if (err == -1)
+ {
+ perror("CAwh");
+ [(id)dp errorOccured:ITInetCouldNotConnect during:ITInetSocketConnecting onSocket:self];
+ goto dieaction;
+ }
+ }
+ NSLog(@"Sending finishedConnecting");
+ [(id)dp finishedConnecting:self];
+lstart:
+ state = ITInetSocketListening;
+ while (!actionflag && !dieflag)
+ {
+ readLen = recv(sockfd,buf,bufs,0);
+ state = ITInetSocketReading;
+ if (readLen == -1) {[(id)dp errorOccured:ITInetConnectionDropped during:ITInetSocketReading onSocket:self];goto dieaction;}
+ if (readLen) {
+ NSLog(@"recv'd");
+ NSLog(@"Doing writeData to readPipe");
+ [readPipe writeBytes:buf len:readLen];
+ [ap release];
+ ap = [[NSAutoreleasePool alloc] init];
+ }
+ }
+ state = ITInetSocketListening;
+ actionflag = 0;
+
+ if (dieflag)
+ {
+dieaction:
+ state = ITInetSocketDisconnected;
+ perror("Awh");
+ free(buf);
+ shutdown(sockfd,2);
+ [dcon release];
+ [dp release];
+ [ap release];
+ dieflag = 0;
+ return;
+ }
+
+ {
+ state = ITInetSocketWriting;
+ NSLog(@"Emptying writePipe");
+ NSData *d = [writePipe readAllData];
+ write(sockfd,[d bytes],[d length]);
+ [ap release];
+ ap = [[NSAutoreleasePool alloc] init];
+ goto lstart;
+ }
+ goto dieaction;
+}
+@end
\ No newline at end of file
git.ithinksw.org / ITFoundation.git / blobdiff