//
#import "ITInetSocket.h"
+#import "ITServiceBrowserDelegate.h"
+#import <sys/socket.h>
+#import <arpa/inet.h>
+@interface ITInetSocket(Debugging)
+-(NSString*)dumpv6Addrinfo:(struct addrinfo *)_ai;
+@end
+
+@interface ITInetSocket(Private)
+-(void)doConnSetupWithHost:(NSString*)host namedPort:(NSString*)namedPort;
+@end
+
@implementation ITInetSocket
++(void)startAutoconnectingToService:(NSString*)type delegate:(id)d
+{
+ NSNetServiceBrowser *browse = [[NSNetServiceBrowser alloc] init];
+ ITServiceBrowserDelegate *bd = [[ITServiceBrowserDelegate alloc] initWithDelegate:d];
+
+ [browse setDelegate:bd];
+ [browse searchForServicesOfType:[NSString stringWithFormat:@"._%@._tcp",type] inDomain:nil];
+}
+
-(id)initWithFD:(int)fd delegate:(id)d
{
- return nil;
+ if (self = [super init])
+ {
+ state = ITInetSocketListening;
+ sockfd = fd;
+ delegate = [d retain];
+ port = 0;
+ writePipe = [[ITByteStream alloc] init];
+ readPipe = [[ITByteStream alloc] init];
+ ai = nil;
+ sarr = nil;
+ }
+ return self;
+}
+
+-(void) dealloc
+{
+ shutdown(sockfd,2);
+ [delegate release];
+ [writePipe release];
+ [readPipe release];
+ if (!sarr) freeaddrinfo(ai);
+ [sarr release];
+}
+
+-(id)initWithDelegate:(id)d
+{
+ if (self = [super init])
+ {
+ state = ITInetSocketDisconnected;
+ sockfd = -1;
+ delegate = [d retain];
+ port = 0;
+ writePipe = [[ITByteStream alloc] init];
+ readPipe = [[ITByteStream alloc] init];
+ ai = nil;
+ sarr = nil;
+ }
+ return self;
+}
+
+-(void) connectToHost:(NSString*)host onPort:(short)thePort
+{
+ if (state == ITInetSocketDisconnected)
+ {
+ NSString *nport = [[NSNumber numberWithShort:thePort] stringValue];
+ [self doConnSetupWithHost:host namedPort:nport];
+ }
}
--(void)disconnect
+-(void) connectToHost:(NSString*)host onNamedPort:(NSString*)_port
{
+ if (state == ITInetSocketDisconnected)
+ {
+ [self doConnSetupWithHost:host namedPort:_port];
+ }
+}
+
+-(void) connectWithSockaddrArray:(NSArray*)arr
+{
+ 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];
+ a->ai_family = s->sa_family;
+ a->ai_addr = s;
+ a->ai_next = malloc(sizeof(struct addrinfo));
+ a = a->ai_next;
+ }
+}
+
+-(ITInetSocketState)state
+{
+ return state;
+}
+@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"
+ "{\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"
+ "}\n"
+ "Next = ";
+ NSString *nsfmt = [NSString stringWithCString:cfmt];
+ NSMutableString *buf = [[[NSMutableString alloc] init] autorelease];
+
+ do
+ {
+ struct sockaddr_in6 *sa = (struct sockaddr_in6 *)_ai->ai_addr;
+ [buf appendFormat: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];
+ }
+ while (_ai = _ai->ai_next);
+ [buf appendString:@"nil\n}"];
+ 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];
+
+ hints.ai_flags = 0;
+ hints.ai_family = PF_INET6;
+ hints.ai_socktype = SOCK_STREAM;
+ hints.ai_protocol = IPPROTO_TCP;
+ hints.ai_canonname = NULL;
+ hints.ai_addr = NULL;
+ hints.ai_next = NULL;
+
+ err = getaddrinfo(hostCStr,portNam,&hints,&ai);
+ if (err == EAI_NODATA) //it's a dotted-decimal IPv4 string, so we use v6compat stuff now
+ {
+ err = getaddrinfo([[NSString stringWithFormat:@"ffff::%s",hostCStr] cString],portNam,&hints,&ai);
+ }
+ NSLog([self dumpv6Addrinfo:ai]);
+}
+@end
\ No newline at end of file