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Basic UDP Client
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6 files changed

+206
-4
lines changed

6 files changed

+206
-4
lines changed

‎Carthage/Build/iOS/CocoaAsyncSocket.framework/CocoaAsyncSocket

3.91 MB
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‎Carthage/Build/iOS/CocoaAsyncSocket.framework/Info.plist

775 Bytes
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‎UDPClient.xcodeproj/project.pbxproj

Lines changed: 31 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -12,6 +12,7 @@
1212
F6589E351C744EC600AB029C /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = F6589E331C744EC600AB029C /* Main.storyboard */; };
1313
F6589E371C744EC600AB029C /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = F6589E361C744EC600AB029C /* Assets.xcassets */; };
1414
F6589E3A1C744EC600AB029C /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = F6589E381C744EC600AB029C /* LaunchScreen.storyboard */; };
15+
F6589E431C74500600AB029C /* CocoaAsyncSocket.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = F6589E421C74500600AB029C /* CocoaAsyncSocket.framework */; };
1516
/* End PBXBuildFile section */
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1718
/* Begin PBXFileReference section */
@@ -22,13 +23,15 @@
2223
F6589E361C744EC600AB029C /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
2324
F6589E391C744EC600AB029C /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/LaunchScreen.storyboard; sourceTree = "<group>"; };
2425
F6589E3B1C744EC600AB029C /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
26+
F6589E421C74500600AB029C /* CocoaAsyncSocket.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = CocoaAsyncSocket.framework; path = Carthage/Build/iOS/CocoaAsyncSocket.framework; sourceTree = "<group>"; };
2527
/* End PBXFileReference section */
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2729
/* Begin PBXFrameworksBuildPhase section */
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F6589E291C744EC600AB029C /* Frameworks */ = {
2931
isa = PBXFrameworksBuildPhase;
3032
buildActionMask = 2147483647;
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files = (
34+
F6589E431C74500600AB029C /* CocoaAsyncSocket.framework in Frameworks */,
3235
);
3336
runOnlyForDeploymentPostprocessing = 0;
3437
};
@@ -38,6 +41,7 @@
3841
F6589E231C744EC600AB029C = {
3942
isa = PBXGroup;
4043
children = (
44+
F6589E421C74500600AB029C /* CocoaAsyncSocket.framework */,
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F6589E2E1C744EC600AB029C /* UDPClient */,
4246
F6589E2D1C744EC600AB029C /* Products */,
4347
);
@@ -74,6 +78,7 @@
7478
F6589E281C744EC600AB029C /* Sources */,
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F6589E291C744EC600AB029C /* Frameworks */,
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F6589E2A1C744EC600AB029C /* Resources */,
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F6589E411C744F4B00AB029C /* Carthage */,
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);
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buildRules = (
7984
);
@@ -131,6 +136,24 @@
131136
};
132137
/* End PBXResourcesBuildPhase section */
133138

139+
/* Begin PBXShellScriptBuildPhase section */
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F6589E411C744F4B00AB029C /* Carthage */ = {
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isa = PBXShellScriptBuildPhase;
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buildActionMask = 2147483647;
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files = (
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);
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inputPaths = (
146+
"$(SRCROOT)/Carthage/Build/iOS/CocoaAsyncSocket.framework",
147+
);
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name = Carthage;
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outputPaths = (
150+
);
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runOnlyForDeploymentPostprocessing = 0;
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shellPath = /bin/sh;
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shellScript = "/usr/local/bin/carthage copy-frameworks";
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};
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/* End PBXShellScriptBuildPhase section */
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/* Begin PBXSourcesBuildPhase section */
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F6589E281C744EC600AB029C /* Sources */ = {
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isa = PBXSourcesBuildPhase;
@@ -248,6 +271,10 @@
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isa = XCBuildConfiguration;
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buildSettings = {
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ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
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FRAMEWORK_SEARCH_PATHS = (
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"$(inherited)",
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"$(PROJECT_DIR)/Carthage/Build/iOS",
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);
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INFOPLIST_FILE = UDPClient/Info.plist;
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LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
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PRODUCT_BUNDLE_IDENTIFIER = com.stansidel.UDPClient;
@@ -259,6 +286,10 @@
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isa = XCBuildConfiguration;
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buildSettings = {
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ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
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FRAMEWORK_SEARCH_PATHS = (
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"$(inherited)",
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"$(PROJECT_DIR)/Carthage/Build/iOS",
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);
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INFOPLIST_FILE = UDPClient/Info.plist;
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LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
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PRODUCT_BUNDLE_IDENTIFIER = com.stansidel.UDPClient;

‎UDPClient.xcodeproj/xcuserdata/stan.xcuserdatad/xcschemes/UDPClient.xcscheme

Lines changed: 45 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -5,6 +5,22 @@
55
<BuildAction
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parallelizeBuildables = "YES"
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buildImplicitDependencies = "YES">
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<BuildActionEntries>
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<BuildActionEntry
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buildForTesting = "YES"
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buildForRunning = "YES"
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buildForProfiling = "YES"
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buildForArchiving = "YES"
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buildForAnalyzing = "YES">
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<BuildableReference
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BuildableIdentifier = "primary"
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BlueprintIdentifier = "F6589E2B1C744EC600AB029C"
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BuildableName = "UDPClient.app"
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BlueprintName = "UDPClient"
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ReferencedContainer = "container:UDPClient.xcodeproj">
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</BuildableReference>
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</BuildActionEntry>
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</BuildActionEntries>
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</BuildAction>
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<TestAction
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buildConfiguration = "Debug"
@@ -13,6 +29,15 @@
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shouldUseLaunchSchemeArgsEnv = "YES">
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<Testables>
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</Testables>
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<MacroExpansion>
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<BuildableReference
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BuildableIdentifier = "primary"
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BlueprintIdentifier = "F6589E2B1C744EC600AB029C"
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BuildableName = "UDPClient.app"
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BlueprintName = "UDPClient"
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ReferencedContainer = "container:UDPClient.xcodeproj">
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</BuildableReference>
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</MacroExpansion>
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<AdditionalOptions>
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</AdditionalOptions>
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</TestAction>
@@ -26,6 +51,16 @@
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debugDocumentVersioning = "YES"
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debugServiceExtension = "internal"
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allowLocationSimulation = "YES">
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<BuildableProductRunnable
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runnableDebuggingMode = "0">
56+
<BuildableReference
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BuildableIdentifier = "primary"
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BlueprintIdentifier = "F6589E2B1C744EC600AB029C"
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BuildableName = "UDPClient.app"
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BlueprintName = "UDPClient"
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ReferencedContainer = "container:UDPClient.xcodeproj">
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</BuildableReference>
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</BuildableProductRunnable>
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<AdditionalOptions>
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</AdditionalOptions>
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</LaunchAction>
@@ -35,6 +70,16 @@
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savedToolIdentifier = ""
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useCustomWorkingDirectory = "NO"
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debugDocumentVersioning = "YES">
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<BuildableProductRunnable
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runnableDebuggingMode = "0">
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<BuildableReference
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BuildableIdentifier = "primary"
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BlueprintIdentifier = "F6589E2B1C744EC600AB029C"
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BuildableName = "UDPClient.app"
79+
BlueprintName = "UDPClient"
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ReferencedContainer = "container:UDPClient.xcodeproj">
81+
</BuildableReference>
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</BuildableProductRunnable>
3883
</ProfileAction>
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<AnalyzeAction
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buildConfiguration = "Debug">

‎UDPClient/Base.lproj/Main.storyboard

Lines changed: 59 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -1,25 +1,81 @@
11
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
2-
<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="6211" systemVersion="14A298i" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="BYZ-38-t0r">
2+
<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="9532" systemVersion="15D21" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="BYZ-38-t0r">
33
<dependencies>
4-
<plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="6204"/>
4+
<deployment identifier="iOS"/>
5+
<plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="9530"/>
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<capability name="Constraints to layout margins" minToolsVersion="6.0"/>
57
</dependencies>
68
<scenes>
79
<!--View Controller-->
810
<scene sceneID="tne-QT-ifu">
911
<objects>
10-
<viewController id="BYZ-38-t0r" customClass="ViewController" customModuleProvider="target" sceneMemberID="viewController">
12+
<viewController id="BYZ-38-t0r" customClass="ViewController" customModule="UDPClient" customModuleProvider="target" sceneMemberID="viewController">
1113
<layoutGuides>
1214
<viewControllerLayoutGuide type="top" id="y3c-jy-aDJ"/>
1315
<viewControllerLayoutGuide type="bottom" id="wfy-db-euE"/>
1416
</layoutGuides>
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<view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
1618
<rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
1719
<autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
20+
<subviews>
21+
<stackView opaque="NO" contentMode="scaleToFill" axis="vertical" spacing="9" translatesAutoresizingMaskIntoConstraints="NO" id="AHw-Sw-KAj">
22+
<rect key="frame" x="20" y="28" width="560" height="564"/>
23+
<subviews>
24+
<textField opaque="NO" clipsSubviews="YES" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="center" text="localhost" borderStyle="roundedRect" placeholder="Host" textAlignment="natural" minimumFontSize="17" translatesAutoresizingMaskIntoConstraints="NO" id="9dO-HN-2q7">
25+
<rect key="frame" x="0.0" y="0.0" width="560" height="30"/>
26+
<fontDescription key="fontDescription" type="system" pointSize="14"/>
27+
<textInputTraits key="textInputTraits"/>
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</textField>
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<textField opaque="NO" clipsSubviews="YES" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="center" borderStyle="roundedRect" placeholder="Local Port" textAlignment="natural" minimumFontSize="17" translatesAutoresizingMaskIntoConstraints="NO" id="e4M-GT-sfO">
30+
<rect key="frame" x="0.0" y="39" width="560" height="30"/>
31+
<fontDescription key="fontDescription" type="system" pointSize="14"/>
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<textInputTraits key="textInputTraits"/>
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</textField>
34+
<textField opaque="NO" clipsSubviews="YES" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="center" text="9900" borderStyle="roundedRect" placeholder="Remote Port" textAlignment="natural" minimumFontSize="17" translatesAutoresizingMaskIntoConstraints="NO" id="Qgi-8a-2Om">
35+
<rect key="frame" x="0.0" y="78" width="560" height="30"/>
36+
<fontDescription key="fontDescription" type="system" pointSize="14"/>
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<textInputTraits key="textInputTraits"/>
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</textField>
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<textField opaque="NO" clipsSubviews="YES" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="center" text="Hello world!" borderStyle="roundedRect" placeholder="Message" textAlignment="natural" minimumFontSize="17" translatesAutoresizingMaskIntoConstraints="NO" id="Jsq-7c-mRi">
40+
<rect key="frame" x="0.0" y="117" width="560" height="30"/>
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<fontDescription key="fontDescription" type="system" pointSize="14"/>
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<textInputTraits key="textInputTraits"/>
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</textField>
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<button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="kvF-NP-ujx">
45+
<rect key="frame" x="0.0" y="156" width="560" height="30"/>
46+
<state key="normal" title="Send UDP Packet"/>
47+
<connections>
48+
<action selector="sendPacket:" destination="BYZ-38-t0r" eventType="touchUpInside" id="9hs-3G-Y2g"/>
49+
</connections>
50+
</button>
51+
<textView clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" editable="NO" translatesAutoresizingMaskIntoConstraints="NO" id="4fm-G1-oag">
52+
<rect key="frame" x="0.0" y="195" width="560" height="369"/>
53+
<color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
54+
<fontDescription key="fontDescription" type="system" pointSize="14"/>
55+
<textInputTraits key="textInputTraits" autocorrectionType="no" spellCheckingType="no"/>
56+
</textView>
57+
</subviews>
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</stackView>
59+
</subviews>
1860
<color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
61+
<constraints>
62+
<constraint firstItem="wfy-db-euE" firstAttribute="top" secondItem="AHw-Sw-KAj" secondAttribute="bottom" constant="8" symbolic="YES" id="3BL-3V-Ugu"/>
63+
<constraint firstItem="AHw-Sw-KAj" firstAttribute="top" secondItem="y3c-jy-aDJ" secondAttribute="bottom" constant="8" id="7wb-U2-HxI"/>
64+
<constraint firstItem="AHw-Sw-KAj" firstAttribute="trailing" secondItem="8bC-Xf-vdC" secondAttribute="trailingMargin" id="QTn-mi-b0O"/>
65+
<constraint firstItem="AHw-Sw-KAj" firstAttribute="leading" secondItem="8bC-Xf-vdC" secondAttribute="leadingMargin" id="uIk-nM-4No"/>
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</constraints>
1967
</view>
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<connections>
69+
<outlet property="answerTextView" destination="4fm-G1-oag" id="xoT-DC-ZTP"/>
70+
<outlet property="hostTextField" destination="9dO-HN-2q7" id="k9y-jL-0xo"/>
71+
<outlet property="localPortTextField" destination="e4M-GT-sfO" id="7jn-FZ-b6X"/>
72+
<outlet property="messageTextField" destination="Jsq-7c-mRi" id="iKe-wJ-PQS"/>
73+
<outlet property="remotePortTextField" destination="Qgi-8a-2Om" id="xhx-aN-z59"/>
74+
</connections>
2075
</viewController>
2176
<placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
2277
</objects>
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<point key="canvasLocation" x="380" y="350"/>
2379
</scene>
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</scenes>
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</document>

‎UDPClient/ViewController.swift

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Original file line numberDiff line numberDiff line change
@@ -7,19 +7,89 @@
77
//
88

99
import UIKit
10+
import CocoaAsyncSocket
1011

11-
class ViewController: UIViewController {
12+
class ViewController: UIViewController, GCDAsyncUdpSocketDelegate {
13+
@IBOutlet weak var hostTextField: UITextField!
14+
@IBOutlet weak var localPortTextField: UITextField!
15+
@IBOutlet weak var remotePortTextField: UITextField!
16+
@IBOutlet weak var messageTextField: UITextField!
17+
@IBOutlet weak var answerTextView: UITextView!
18+
19+
var _socket: GCDAsyncUdpSocket?
20+
var socket: GCDAsyncUdpSocket? {
21+
get {
22+
if _socket == nil {
23+
guard let port = UInt16(localPortTextField.text ?? "0") where port > 0 else {
24+
log(">>> Unable to init socket: local port unspecified.")
25+
return nil
26+
}
27+
let sock = GCDAsyncUdpSocket(delegate: self, delegateQueue: dispatch_get_main_queue())
28+
do {
29+
try sock.bindToPort(port)
30+
try sock.beginReceiving()
31+
} catch let err as NSError {
32+
log(">>> Error while initializing socket: \(err.localizedDescription)")
33+
sock.close()
34+
return nil
35+
}
36+
_socket = sock
37+
}
38+
return _socket
39+
}
40+
set {
41+
_socket?.close()
42+
_socket = newValue
43+
}
44+
}
1245

1346
override func viewDidLoad() {
1447
super.viewDidLoad()
1548
// Do any additional setup after loading the view, typically from a nib.
49+
50+
}
51+
52+
deinit {
53+
socket = nil
1654
}
1755

1856
override func didReceiveMemoryWarning() {
1957
super.didReceiveMemoryWarning()
2058
// Dispose of any resources that can be recreated.
2159
}
60+
61+
private func log(text: String) {
62+
answerTextView.text = text + "\n" + answerTextView.text
63+
}
2264

65+
@IBAction func sendPacket(sender: AnyObject) {
66+
guard let str = messageTextField.text where !str.isEmpty else {
67+
log(">>> Cannot send packet: no data inserted")
68+
return
69+
}
70+
guard let host = hostTextField.text where !host.isEmpty else {
71+
log(">>> Cannot send packet: no host specified")
72+
return
73+
}
74+
guard let port = UInt16(remotePortTextField.text ?? "0") where port > 0 else {
75+
log(">>> Cannot send packet: no port specified")
76+
return
77+
}
78+
79+
guard socket != nil else {
80+
return
81+
}
82+
socket?.sendData(str.dataUsingEncoding(NSUTF8StringEncoding), toHost: host, port: port, withTimeout: 2, tag: 0)
83+
log("Data sent: \(str)")
84+
}
85+
86+
func udpSocket(sock: GCDAsyncUdpSocket!, didReceiveData data: NSData!, fromAddress address: NSData!, withFilterContext filterContext: AnyObject!) {
87+
guard let stringData = String(data: data, encoding: NSUTF8StringEncoding) else {
88+
log(">>> Data received, but cannot be converted to String")
89+
return
90+
}
91+
log("Data received: \(stringData)")
92+
}
2393

2494
}
2595

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