Add github workflow

Author: nicklauslittle

.github/workflows/build.yml

@@ -0,0 +1,39 @@
+name: Build
+
+on: [push]
+
+jobs:
+  linux:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v1
+
+    - name: Run tests
+      run: make clean check
+
+  windows:
+
+    runs-on: windows-latest
+
+    steps:
+    - uses: actions/checkout@v1
+
+    - name: Add cl.exe to PATH
+      # uses: microsoft/setup-msbuild@v1
+      uses: seanmiddleditch/gha-setup-vsdevenv@v1
+
+    - name: Run tests
+      # run: msbuild -p:WindowsTargetPlatformVersion=10 test/UnitTests.vcxproj
+      run: make CXX="cl.exe" CXXFLAGS="-W4" LDLIBS="ws2_32.lib iphlpapi.lib qwave.lib" clean check
+
+  macos:
+
+    runs-on: macos-latest
+
+    steps:
+    - uses: actions/checkout@v1
+
+    - name: Run tests
+      run: make CXX="clang++ -std=c++11" LDLIBS=-ldl clean check

.gitignore

@@ -5,8 +5,9 @@ Debug
 *.VC.*db
 .vs
 
-# Makefile files
+# Makefile created files
 obj
-UnitTests
+*.a
+*.exe
 
 *.log

Makefile

@@ -1,9 +1,14 @@
 
+# Required variables
 PROJECT_NAME :=smbb
-COMPILE_ARGS :=-D_FILE_OFFSET_BITS=64 -D_LARGE_FILES=1
-LINK_ARGS :=-lrt -ldl
+DEFINE_ARGS :=-D_FILE_OFFSET_BITS=64 -D_LARGE_FILES=1 -D_WIN32_WINNT=0x0600
+LDLIBS :=-lrt -ldl
 DIR :=.
 
+# Optional variables
+CPPFLAGS +=$(DEFINE_ARGS)
+CXXFLAGS :=-Wall -pedantic -O2
+
 SRC :=$(wildcard $(DIR)/src/smbb/*.cxx $(DIR)/src/smbb/*/*.cxx)
 OBJ :=$(patsubst $(DIR)/src/smbb/%.cxx,obj/%.o,$(SRC))
 TESTS :=$(patsubst $(DIR)/test/%.cxx,%.exe,$(wildcard $(DIR)/test/*.cxx))
@@ -27,11 +32,11 @@ lib$(PROJECT_NAME).a: $(OBJ)
 
 obj/%.o: $(DIR)/src/smbb/%.cxx
 	mkdir -p $(@D)
-	$(CXX) $(CPPFLAGS) $(CXXFLAGS) $(COMPILE_ARGS) -Wall -pedantic -c $< -o $@
+	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -c $< -o $@
 
 # Tests
 %.exe: $(DIR)/test/%.cxx
-	$(CXX) $(CPPFLAGS) $(CXXFLAGS) $(COMPILE_ARGS) -I$(DIR)/test/catch2 -I$(DIR)/src -Wall -pedantic -o $@ $^ $(LINK_ARGS)
+	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -I$(DIR)/test/catch2 -I$(DIR)/src -o $@ $^ $(LDLIBS)
 
 %.exe.run: %.exe
 	./$<

src/smbb/IPAddress.cxx

@@ -48,8 +48,8 @@ int smbb::IPAddress::Parse(IPAddress results[], int resultsSize, const char *add
 	addrinfo *result = NULL;
 	int i = 0;
 
-	if (!address && !service)
-		service = "";
+	if (!address && (!service || !service[0]))
+		service = "0";
 
 	info.ai_flags = (bindable ? AI_PASSIVE : 0) | AI_V4MAPPED;
 	info.ai_family = family;

src/smbb/IPSocket.h

@@ -63,6 +63,12 @@ SOFTWARE.
 #define GET_OPTION_TYPE(NORMAL_TYPE, WINDOWS_TYPE) NORMAL_TYPE, NORMAL_TYPE
 #endif
 
+// BSD IPv6
+#if !defined(IPV6_ADD_MEMBERSHIP) && defined(IPV6_JOIN_GROUP)
+#define IPV6_ADD_MEMBERSHIP  IPV6_JOIN_GROUP
+#define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP
+#endif
+
 #include "utilities/Inline.h"
 #include "utilities/StaticCast.h"
 
@@ -404,8 +410,8 @@ class IPSocket {
 			}
 			else
 #endif
-				if ((checkResult & SELECT_CAN_WRITE) != 0 && FD_ISSET(socket._handle, &_writeSet) == 0)
-					checkResult = static_cast<SelectValue>(checkResult & ~SELECT_CAN_WRITE);
+			if ((checkResult & SELECT_CAN_WRITE) != 0 && FD_ISSET(socket._handle, &_writeSet) == 0)
+				checkResult = static_cast<SelectValue>(checkResult & ~SELECT_CAN_WRITE);
 
 			if ((checkResult & SELECT_CAN_READ) != 0 && FD_ISSET(socket._handle, &_readSet) == 0)
 				checkResult = static_cast<SelectValue>(checkResult & ~SELECT_CAN_READ);
@@ -476,7 +482,7 @@ class IPSocket {
 
 			return select(0, NULL, NULL, &exceptSet, &timeout) == 1;
 #else
-			return (_item.revents & POLL_ERROR) != 0;
+			return (_item.revents & (POLL_ERROR | POLL_DISCONNECTING)) != 0;
 #endif
 		}
 
@@ -511,6 +517,9 @@ class IPSocket {
 	}
 #endif // SMBB_NO_POLL
 
+// TODO: kqueue on BSD/mac os
+// TODO: epoll on Linux
+
 private:
 #if !defined(SMBB_NO_SOCKET_MSG)
 	// Helpers to get the recvmmsg and sendmmsg functions
@@ -1248,7 +1257,7 @@ class IPSocket {
 	}
 #endif // SMBB_NO_SOCKET_MSG
 
-	// Gets the number of hops value for outgoing multicast packets
+	// Gets the number of hops value (TTL) for outgoing multicast packets
 	int GetMulticastHops() const {
 		int hops = -1;
 
@@ -1258,15 +1267,15 @@ class IPSocket {
 		return GetOptionInternalDefault<GET_OPTION_TYPE(int, DWORD)>(IPPROTO_IPV6, IPV6_MULTICAST_HOPS, hops);
 	}
 
-	// Sets the TTL value of the socket for outgoing unicast packets
+	// Sets the number of hops value (TTL) for outgoing multicast packets
 	Chainable<bool> SetMulticastHops(int value) {
 		if (SetOptionInternal<GET_OPTION_TYPE(int, DWORD)>(IPPROTO_IP, IP_MULTICAST_TTL, value))
 			return Chainable<bool>(this, true);
 
 		return Chainable<bool>(this, SetOptionInternal<GET_OPTION_TYPE(int, DWORD)>(IPPROTO_IPV6, IPV6_MULTICAST_HOPS, value));
 	}
 
-	// Gets the number of hops value for outgoing multicast packets
+	// Gets whether or not loopback is enabled for outgoing multicast packets
 	bool GetMulticastLoopback() const {
 		int loopback = 0;
 
@@ -1276,7 +1285,7 @@ class IPSocket {
 		return GetOptionInternalDefault<GET_OPTION_TYPE(int, DWORD)>(IPPROTO_IPV6, IPV6_MULTICAST_LOOP, loopback) != 0;
 	}
 
-	// Sets the TTL value of the socket for outgoing unicast packets
+	// Sets whether or not loopback is enabled for outgoing multicast packets
 	Chainable<bool> SetMulticastLoopback(bool value = true) {
 		if (SetOptionInternal<GET_OPTION_TYPE(int, DWORD)>(IPPROTO_IP, IP_MULTICAST_LOOP, value ? 1 : 0))
 			return Chainable<bool>(this, true);

test/UnitTests.cxx

@@ -275,7 +275,8 @@ static void TestTCP(const char *address, const char *port, IPAddressFamily famil
 
 static bool TestMulticastUDP(const char *receiveAddress, const char *multicastAddress, const char *sendAddress, IPAddressFamily family = FAMILY_UNSPECIFIED) {
 	IPAddress ipAddress;
-	REQUIRE(IPAddress::Parse(&ipAddress, 1, receiveAddress, NULL, true, family) > 0);
+	int lastError = IPAddress::Parse(&ipAddress, 1, receiveAddress, NULL, true, family) > 0 ? 0 : IPSocket::LastError();
+	REQUIRE(lastError == 0);
 
 	// Setup the read socket
 	AutoCloseIPSocket readSocket(ipAddress, UDP, IPSocket::OPEN_AND_BIND);
@@ -284,7 +285,8 @@ static bool TestMulticastUDP(const char *receiveAddress, const char *multicastAd
 	DumpAddress(readSocket.GetAddress());
 
 	IPAddress multicast;
-	REQUIRE(IPAddress::Parse(&multicast, 1, multicastAddress, NULL, false, family) > 0);
+	lastError = IPAddress::Parse(&multicast, 1, multicastAddress, NULL, false, family) > 0 ? 0 : IPSocket::LastError();
+	REQUIRE(lastError == 0);
 	REQUIRE(multicast.IsMulticast());
 	std::cout << "Subscribing to ";
 	DumpAddress(multicast);
@@ -644,7 +646,7 @@ SCENARIO ("Poll Test", "[IPSocket]") {
 
 					pollSet[0] = IPSocket::PollItem::Make(connectToIPv4, IPSocket::POLL_IS_CONNECTED);
 					REQUIRE(pollSet[0].GetMonitor() == IPSocket::POLL_IS_CONNECTED);
-					REQUIRE(IPSocket::Poll(pollSet, 1, 2000) >= 0); // Wait up to 3 seconds
+					REQUIRE(IPSocket::Poll(pollSet, 1, 2000) >= 0); // Wait up to 2 seconds
 					REQUIRE(pollSet[0].HasFailedConnectionResult());
 
 					pollSet[0].Disable();