| author | Jens Alfke <jens@mooseyard.com> |
| Sat May 24 21:26:09 2008 -0700 (2008-05-24) | |
| changeset 3 | 76f302097a75 |
| child 4 | 2bd9d60a2c46 |
| permissions | -rw-r--r-- |
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// |
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// BLIPEchoClient.m |
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// MYNetwork |
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// |
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// Created by Jens Alfke on 5/24/08. |
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// Copyright 2008 Jens Alfke. All rights reserved. |
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// Adapted from Apple sample code "CocoaEcho". |
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// |
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|
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#import "BLIPEchoClient.h" |
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#import "BLIP.h" |
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#import "IPAddress.h" |
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#import "Target.h" |
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|
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|
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@implementation BLIPEchoClient |
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|
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@synthesize serviceList=_serviceList; |
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|
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- (void)awakeFromNib |
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{
|
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_serviceBrowser = [[NSNetServiceBrowser alloc] init]; |
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_serviceList = [[NSMutableArray alloc] init]; |
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[_serviceBrowser setDelegate:self]; |
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|
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[_serviceBrowser searchForServicesOfType:@"_blipecho._tcp." inDomain:@""]; |
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} |
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|
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#pragma mark - |
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#pragma mark BLIPConnection support |
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|
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- (void)openConnection: (IPAddress*)address |
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{
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_connection = [[BLIPConnection alloc] initToAddress: address]; |
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[_connection open]; |
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} |
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|
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- (void)closeConnection |
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{
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[_connection close]; |
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[_connection release]; |
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_connection = nil; |
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} |
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|
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#pragma mark - |
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#pragma mark NSNetServiceBrowser delegate methods |
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|
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// We broadcast the willChangeValueForKey: and didChangeValueForKey: for the NSTableView binding to work. |
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|
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- (void)netServiceBrowser:(NSNetServiceBrowser *)aNetServiceBrowser didFindService:(NSNetService *)aNetService moreComing:(BOOL)moreComing {
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if (![_serviceList containsObject:aNetService]) {
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[self willChangeValueForKey:@"serviceList"]; |
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[_serviceList addObject:aNetService]; |
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[self didChangeValueForKey:@"serviceList"]; |
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} |
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} |
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|
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- (void)netServiceBrowser:(NSNetServiceBrowser *)aNetServiceBrowser didRemoveService:(NSNetService *)aNetService moreComing:(BOOL)moreComing {
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if ([_serviceList containsObject:aNetService]) {
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[self willChangeValueForKey:@"serviceList"]; |
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[_serviceList removeObject:aNetService]; |
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[self didChangeValueForKey:@"serviceList"]; |
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} |
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} |
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|
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#pragma mark - |
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#pragma mark NSNetService delegate methods |
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|
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- (void)stopResolving |
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{
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if( _resolvingService ) {
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_resolvingService.delegate = nil; |
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[_resolvingService stop]; |
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[_resolvingService release]; |
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_resolvingService = nil; |
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} |
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} |
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|
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- (void)startResolving: (NSNetService*)service |
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{
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[self stopResolving]; |
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_resolvingService = [service retain]; |
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_resolvingService.delegate = self; |
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[_resolvingService resolveWithTimeout: 5.0]; |
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|
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} |
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|
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- (void)netServiceDidResolveAddress:(NSNetService *)sender |
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{
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if( sender == _resolvingService ) {
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NSArray *addresses = _resolvingService.addresses; |
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if( addresses.count > 0 ) {
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NSData *addressData = [addresses objectAtIndex: 0]; |
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IPAddress *address = [[IPAddress alloc] initWithSockAddr: addressData.bytes]; |
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[self openConnection: address]; |
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[address release]; |
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} |
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[self stopResolving]; |
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} |
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} |
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|
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#pragma mark - |
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#pragma mark GUI action methods |
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|
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- (IBAction)serverClicked:(id)sender {
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NSTableView * table = (NSTableView *)sender; |
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int selectedRow = [table selectedRow]; |
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[self closeConnection]; |
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[self stopResolving]; |
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if (-1 != selectedRow) {
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[self startResolving: [_serviceList objectAtIndex:selectedRow]]; |
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} |
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} |
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|
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- (IBAction)sendText:(id)sender |
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{
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BLIPRequest *r = [_connection requestWithBody: nil]; |
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r.bodyString = [sender stringValue]; |
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BLIPResponse *response = [r send]; |
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response.onComplete = $target(self,gotResponse:); |
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} |
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|
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- (void) gotResponse: (BLIPResponse*)response |
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{
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[responseField setObjectValue: response.bodyString]; |
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} |
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@end |
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int main(int argc, char *argv[]) |
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{
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return NSApplicationMain(argc, (const char **) argv); |
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} |