#import "ITInetServerSocket.h"
#import "ITInetSocket.h"
#import <sys/types.h>
+#import <sys/time.h>
#import <arpa/inet.h>
#import <netinet/in.h>
#import <sys/socket.h>
#import <fcntl.h>
#import <unistd.h>
-/* Too bad Objective-C doesn't have class variables... */
-static NSMutableDictionary *servsockets;
-static NSTimer *timer;
-
@interface ITInetServerSocket(Private)
-+(void)registerSocket:(ITInetServerSocket*)sock;
-+(void)unregisterSocket:(ITInetServerSocket*)sock;
-(short)lookupPortForServiceType:(NSString*)name;
-(void)setupConnection;
-(void)stopConnection;
-(void)setupRendezvousAdvertising;
-(void)stopRendezvousAdvertising;
-+(void)setupTimer;
-+(void)stopTimer;
-+(void)globalTimerFunc:(NSTimer*)timer;
--(BOOL)timerFunc;
+-(void)setupThread;
+-(void)stopThread;
+-(void)newClient:(int)cfd;
+-(void)socketAcceptLoop:(id)data;
@end
@implementation ITInetServerSocket
-+ (void)initialize
-{
- servsockets = [[NSMutableDictionary alloc] init];
- [self setupTimer];
-}
-
- (id)init
{
if (self = [super init])
clients = [[NSMutableSet alloc] init];
service = nil;
port = 0;
+ dieflag = 0;
rndType = rndName = nil;
+ timer = nil;
}
return self;
}
clients = [[NSMutableSet alloc] init];
service = nil;
port = 0;
+ dieflag = 0;
rndType = rndName = nil;
+ timer = nil;
}
return self;
}
[rndType release];
}
-- (BOOL)registerSocket
+- (BOOL)start
{
if (!rndName || !rndType || !port) return NO;
- [ITInetServerSocket registerSocket:self];
+ [self setupConnection];
return YES;
}
- (void)stop
{
- [ITInetServerSocket unregisterSocket:self];
+ [self stopConnection];
}
- (void)setServiceType:(NSString*)type useForPort:(BOOL)p
@end
@implementation ITInetServerSocket(Private)
-+(void)registerSocket:(ITInetServerSocket*)sock
-{
- [sock setupConnection];
- [servsockets setObject:sock forKey:[NSString stringWithFormat:@"%lu",[sock port]]];
-}
-
-+(void)unregisterSocket:(ITInetServerSocket*)sock
-{
- [sock stopConnection];
- [servsockets removeObjectForKey:[NSString stringWithFormat:@"%lu",[sock port]]];
-}
-
-(short)lookupPortForServiceType:(NSString*)name
{
const char *_name = [name cString];
- struct addrinfo hints,*res;
+ struct addrinfo *res;
short p;
-
- hints.ai_flags = AI_PASSIVE;
- hints.ai_family = PF_INET;
- 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;
-
- getaddrinfo(NULL,_name,&hints,&res);
+ getaddrinfo(NULL,_name,NULL,&res);
p = ntohs(((struct sockaddr_in *)res->ai_addr)->sin_port);
freeaddrinfo(res);
return p;
-(void)setupConnection
{
- struct sockaddr_in sa;
-
- sockfd = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
- sa.sin_addr.s_addr = INADDR_ANY;
- sa.sin_family = AF_INET;
- sa.sin_port = htons(port);
- bind(sockfd,(struct sockaddr *)&sa,sizeof(sa));
+ struct addrinfo hints, *ai;
+ hints.ai_flags = AI_PASSIVE;
+ hints.ai_family = PF_INET6;
+ hints.ai_socktype = SOCK_STREAM;
+ hints.ai_protocol = IPPROTO_TCP;
+ hints.ai_addrlen = 0;
+ hints.ai_canonname = hints.ai_addr = hints.ai_next = NULL;
+ getaddrinfo(NULL,[[[NSNumber numberWithShort:port] stringValue] cString],&hints,&ai);
+ sockfd = socket(PF_INET6,SOCK_STREAM,IPPROTO_TCP);
+ bind(sockfd,ai->ai_addr,ai->ai_addrlen);
listen(sockfd, SOMAXCONN);
- fcntl(sockfd,F_SETFL,O_NONBLOCK);
+ freeaddrinfo(ai);
[self setupRendezvousAdvertising];
+ [self setupThread];
}
- (void)stopConnection
{
[self stopRendezvousAdvertising];
[clients makeObjectsPerformSelector:@selector(disconnect)];
- shutdown(sockfd,2);
+ [self stopThread];
close(sockfd);
sockfd = -1;
}
- (void)setupRendezvousAdvertising
{
- service = [[NSNetService alloc] initWithDomain:@"" type:[NSString stringWithFormat:@"_%@._tcp.",rndType] name:rndName port:htons(port)];
+ NSString *a = [NSString stringWithFormat:@"_%@._tcp.",rndType];
+ service = [[NSNetService alloc] initWithDomain:@"" type:a name:rndName port:htons(port)];
+ NSLog(@"Advertising a service of type %@ name %@",a,rndName);
[service publish];
}
service = nil;
}
-+ (void)setupTimer
+- (void)setupThread
{
- if (!timer) timer = [NSTimer timerWithTimeInterval:0 target:self selector:@selector(globalTimerFunc:) userInfo:nil repeats:YES];
- [[NSRunLoop currentRunLoop] addTimer:timer forMode:NSDefaultRunLoopMode];
+ NSPort *p1 = [NSPort port], *p2 = [NSPort port];
+ NSConnection *dcon = [[NSConnection alloc] initWithReceivePort:p1 sendPort:p2];
+ NSArray *par = [NSArray arrayWithObjects:p2,p1,nil];
+ [dcon setRootObject:self];
+ NSLog(@"detached server thread");
+ [NSThread detachNewThreadSelector:@selector(socketAcceptLoop:) toTarget:self withObject:par];
}
-+ (void)stopTimer
+- (void)stopThread
{
- [timer invalidate];
- [timer release];
- timer = nil;
+ NSLog(@"stopping server thread");
+ dieflag = 1;
+ do {} while (dieflag == 1);
}
-+ (void)globalTimerFunc:(NSTimer*)timer
+- (void)newClient:(int)cfd
{
- NSEnumerator *enume = [servsockets objectEnumerator];
- id obj;
-
- while (obj = [enume nextObject])
- {
- [obj timerFunc];
- }
+ ITInetSocket *csocket = [[ITInetSocket alloc] initWithFD:cfd delegate:delegate];
+ NSLog(@"new client for this server");
+ [clients addObject:csocket];
}
-- (BOOL)timerFunc
+- (void)socketAcceptLoop:(id)data
{
- if (sockfd != -1)
+ NSAutoreleasePool *ap = [[NSAutoreleasePool alloc] init];
+ NSArray *par = data;
+ NSConnection *dcon = [[NSConnection alloc] initWithReceivePort:[par objectAtIndex:0] sendPort:[par objectAtIndex:1]];
+ NSProxy *dp = [dcon rootProxy];
+ while ((sockfd >= 0) && !dieflag)
{
- struct sockaddr_in csa;
- int csalen;
signed int cfd;
- cfd = accept(sockfd,(struct sockaddr*)&csa,&csalen);
- if (cfd == -1) {
- if (errno == EWOULDBLOCK) return NO;
- else {perror("Too bad I haven't implemented error checking yet");}
- }
- else {
- ITInetSocket *csocket = [[[ITInetSocket alloc] initWithFD:cfd delegate:self] autorelease];
- [clients addObject:csocket];
- [delegate newClientJoined:csocket];
- return YES;
- }
+ cfd = accept(sockfd,NULL,NULL);
+ NSLog(@"Someone connected!");
+ [(id)dp newClient:cfd];
+ [ap release];
+ ap = [[NSAutoreleasePool alloc] init];
}
- return NO;
+
+ NSLog(@"suiciding");
+ dieflag = 0;
+ [dcon release];
+ [ap release];
}
@end
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git.ithinksw.org / ITFoundation.git / blobdiff