static Iface_DEFUN sendMessage(struct Message* msg, struct Iface* iface)
{
struct ETHInterface_pvt* ctx =
Identity_containerOf(iface, struct ETHInterface_pvt, pub.generic.iface);
struct Sockaddr* sa = (struct Sockaddr*) msg->bytes;
Assert_true(msg->length >= Sockaddr_OVERHEAD);
Assert_true(sa->addrLen <= ETHInterface_Sockaddr_SIZE);
struct ETHInterface_Sockaddr sockaddr = { .generic = { .addrLen = 0 } };
Message_pop(msg, &sockaddr, sa->addrLen, NULL);
struct sockaddr_ll addr;
Bits_memcpy(&addr, &ctx->addrBase, sizeof(struct sockaddr_ll));
if (sockaddr.generic.flags & Sockaddr_flags_BCAST) {
Bits_memset(addr.sll_addr, 0xff, 6);
} else {
Bits_memcpy(addr.sll_addr, sockaddr.mac, 6);
}
struct ETHInterface_Header hdr = {
.version = ETHInterface_CURRENT_VERSION,
.zero = 0,
.length_be = Endian_hostToBigEndian16(msg->length + ETHInterface_Header_SIZE),
.fc00_be = Endian_hostToBigEndian16(0xfc00)
};
Message_push(msg, &hdr, ETHInterface_Header_SIZE, NULL);
struct Except* eh = NULL;
sendMessageInternal(msg, &addr, ctx, eh);
return NULL;
}
static void handleEvent2(struct ETHInterface_pvt* context, struct Allocator* messageAlloc)
{
struct Message* msg = Message_new(MAX_PACKET_SIZE, PADDING, messageAlloc);
struct sockaddr_ll addr;
uint32_t addrLen = sizeof(struct sockaddr_ll);
// Knock it out of alignment by 2 bytes so that it will be
// aligned when the idAndPadding is shifted off.
Message_shift(msg, 2, NULL);
int rc = recvfrom(context->socket,
msg->bytes,
msg->length,
0,
(struct sockaddr*) &addr,
&addrLen);
if (rc < ETHInterface_Header_SIZE) {
Log_debug(context->logger, "Failed to receive eth frame");
return;
}
Assert_true(msg->length >= rc);
msg->length = rc;
//Assert_true(addrLen == SOCKADDR_LL_LEN);
struct ETHInterface_Header hdr;
Message_pop(msg, &hdr, ETHInterface_Header_SIZE, NULL);
// here we could put a switch statement to handle different versions differently.
if (hdr.version != ETHInterface_CURRENT_VERSION) {
Log_debug(context->logger, "DROP unknown version");
return;
}
uint16_t reportedLength = Endian_bigEndianToHost16(hdr.length_be);
reportedLength -= ETHInterface_Header_SIZE;
if (msg->length != reportedLength) {
if (msg->length < reportedLength) {
Log_debug(context->logger, "DROP size field is larger than frame");
return;
}
msg->length = reportedLength;
}
if (hdr.fc00_be != Endian_hostToBigEndian16(0xfc00)) {
Log_debug(context->logger, "DROP bad magic");
return;
}
struct ETHInterface_Sockaddr sockaddr = { .zero = 0 };
Bits_memcpy(sockaddr.mac, addr.sll_addr, 6);
sockaddr.generic.addrLen = ETHInterface_Sockaddr_SIZE;
if (addr.sll_pkttype == PACKET_BROADCAST) {
sockaddr.generic.flags |= Sockaddr_flags_BCAST;
}
Message_push(msg, &sockaddr, ETHInterface_Sockaddr_SIZE, NULL);
Assert_true(!((uintptr_t)msg->bytes % 4) && "Alignment fault");
Iface_send(&context->pub.generic.iface, msg);
}
static void handleEvent(void* vcontext)
{
struct ETHInterface_pvt* context = Identity_check((struct ETHInterface_pvt*) vcontext);
struct Allocator* messageAlloc = Allocator_child(context->pub.generic.alloc);
handleEvent2(context, messageAlloc);
Allocator_free(messageAlloc);
}
List* ETHInterface_listDevices(struct Allocator* alloc, struct Except* eh)
{
List* out = List_new(alloc);
#ifndef android
struct ifaddrs* ifaddr = NULL;
if (getifaddrs(&ifaddr) || ifaddr == NULL) {
Except_throw(eh, "getifaddrs() -> errno:%d [%s]", errno, strerror(errno));
}
for (struct ifaddrs* ifa = ifaddr; ifa; ifa = ifa->ifa_next) {
if (ifa->ifa_addr && ifa->ifa_addr->sa_family == AF_PACKET) {
List_addString(out, String_new(ifa->ifa_name, alloc), alloc);
}
}
freeifaddrs(ifaddr);
#endif
return out;
}
static int closeSocket(struct Allocator_OnFreeJob* j)
{
struct ETHInterface_pvt* ctx = Identity_check((struct ETHInterface_pvt*) j->userData);
close(ctx->socket);
return 0;
}
struct ETHInterface* ETHInterface_new(struct EventBase* eventBase,
const char* bindDevice,
struct Allocator* alloc,
struct Except* exHandler,
struct Log* logger)
{
struct ETHInterface_pvt* ctx = Allocator_calloc(alloc, sizeof(struct ETHInterface_pvt), 1);
Identity_set(ctx);
ctx->pub.generic.iface.send = sendMessage;
ctx->pub.generic.alloc = alloc;
ctx->logger = logger;
struct ifreq ifr = { .ifr_ifindex = 0 };
ctx->socket = socket(AF_PACKET, SOCK_DGRAM, Ethernet_TYPE_CJDNS);
if (ctx->socket == -1) {
Except_throw(exHandler, "call to socket() failed. [%s]", strerror(errno));
}
Allocator_onFree(alloc, closeSocket, ctx);
CString_strncpy(ifr.ifr_name, bindDevice, IFNAMSIZ - 1);
ctx->ifName = String_new(bindDevice, alloc);
if (ioctl(ctx->socket, SIOCGIFINDEX, &ifr) == -1) {
Except_throw(exHandler, "failed to find interface index [%s]", strerror(errno));
}
ctx->ifindex = ifr.ifr_ifindex;
if (ioctl(ctx->socket, SIOCGIFFLAGS, &ifr) < 0) {
Except_throw(exHandler, "ioctl(SIOCGIFFLAGS) [%s]", strerror(errno));
}
if (!((ifr.ifr_flags & IFF_UP) && (ifr.ifr_flags & IFF_RUNNING))) {
Log_info(logger, "Bringing up interface [%s]", ifr.ifr_name);
ifr.ifr_flags |= IFF_UP | IFF_RUNNING;
if (ioctl(ctx->socket, SIOCSIFFLAGS, &ifr) < 0) {
Except_throw(exHandler, "ioctl(SIOCSIFFLAGS) [%s]", strerror(errno));
}
}
ctx->addrBase = (struct sockaddr_ll) {
.sll_family = AF_PACKET,
.sll_protocol = Ethernet_TYPE_CJDNS,
.sll_ifindex = ctx->ifindex,
.sll_hatype = ARPHRD_ETHER,
.sll_pkttype = PACKET_OTHERHOST,
.sll_halen = ETH_ALEN
};
if (bind(ctx->socket, (struct sockaddr*) &ctx->addrBase, sizeof(struct sockaddr_ll))) {
Except_throw(exHandler, "call to bind() failed [%s]", strerror(errno));
}
Socket_makeNonBlocking(ctx->socket);
Event_socketRead(handleEvent, ctx, ctx->socket, eventBase, alloc, exHandler);
return &ctx->pub;
}
TEST_F(TestRegionNoArgs,BasicRegion_ShallowHistory_Resume2)
{
typedef TestConcurrentCompositeStateNoArgsMock
< TestStateMachineNoEventArgsMock
> ConcurrentCompositeStateMockType;
typedef TestRegionNoArgsMock
< ConcurrentCompositeStateMockType
, sttcl::CompositeStateHistoryType::Shallow
> RegionMockType;
typedef TestRegionInnerStateNoArgsMock<ConcurrentCompositeStateMockType,RegionMockType> RegionInnerStateMockType;
::testing::NiceMock<TestStateMachineNoEventArgsMock> stateMachine("stateMachine");
::testing::NiceMock
< ConcurrentCompositeStateMockType
> compositeState(&stateMachine);
::testing::NiceMock
< RegionMockType
> region(&compositeState,"region");
::testing::NiceMock
< RegionInnerStateMockType
> innerState1("innerState1");
::testing::NiceMock
< RegionInnerStateMockType
> innerState2("innerState1");
::testing::NiceMock
< TestSimpleStateNoArgsMock<TestStateMachineNoEventArgsMock>
> outerState("outerState");
stateMachine.autoFinalize(false);
compositeState.setRegion(0,®ion);
region.initialState(&innerState1);
stateMachine.initialState(&compositeState);
// Setup mock call expectations
//----------------------------------------------------------------------------
EXPECT_CALL(compositeState,handleEvent1(&stateMachine))
.Times(1);
EXPECT_CALL(compositeState,handleEvent2(&stateMachine))
.Times(1)
.WillOnce( TRIGGER_STATE_CHANGE(ConcurrentCompositeStateMockType, handleEvent2, &compositeState, &outerState) );
EXPECT_CALL(compositeState,endDoImpl(&stateMachine))
.Times(2);
EXPECT_CALL(compositeState,exitImpl(&stateMachine))
.Times(2);
// Check region calls
EXPECT_CALL(region,enterRegionImpl(&compositeState))
.Times(2);
EXPECT_CALL(region,startingRegionThread())
.Times(2);
EXPECT_CALL(region,initializeImpl(_))
.Times(2);
// TODO: Eliminiate (superflous?) calls to finalize(Impl)
EXPECT_CALL(region,finalizeImpl(_))
.Times(3);
EXPECT_CALL(region,endingRegionThread())
.Times(2);
EXPECT_CALL(region,exitRegionImpl(&compositeState))
.Times(2);
EXPECT_CALL(outerState,entryImpl(&stateMachine))
.Times(1);
EXPECT_CALL(outerState,startDoImpl(&stateMachine))
.Times(1);
EXPECT_CALL(outerState,handleEvent3(&stateMachine))
.Times(1)
.WillOnce( TRIGGER_STATE_CHANGE(TestSimpleStateNoArgsMock<TestStateMachineNoEventArgsMock>, handleEvent3, &outerState, &compositeState) );
EXPECT_CALL(outerState,endDoImpl(&stateMachine))
.Times(1);
EXPECT_CALL(outerState,exitImpl(&stateMachine))
.Times(1);
EXPECT_CALL(innerState1,entryImpl(®ion))
.Times(1);
EXPECT_CALL(innerState1,startDoImpl(®ion))
.Times(1);
// TODO: Eliminiate (superflous?) calls to initSubStateMachinesImpl
EXPECT_CALL(innerState1,initSubStateMachinesImpl(true))
.Times(2);
// EXPECT_CALL(innerState1,initSubStateMachinesImpl(true))
// .Times(1);
EXPECT_CALL(innerState1,handleEvent1(&compositeState,®ion))
.Times(1)
.WillOnce( TRIGGER_STATE_CHANGE2(RegionInnerStateMockType, handleEvent1, &innerState1, &innerState2) );
EXPECT_CALL(innerState1,endDoImpl(®ion))
.Times(1);
EXPECT_CALL(innerState1,exitImpl(®ion))
.Times(1);
EXPECT_CALL(innerState2,entryImpl(®ion))
.Times(1);
EXPECT_CALL(innerState2,startDoImpl(®ion))
.Times(1);
// EXPECT_CALL(innerState2,initSubStateMachinesImpl(true))
// .Times(1);
EXPECT_CALL(innerState2,endDoImpl(®ion))
.Times(2);
EXPECT_CALL(innerState2,exitImpl(®ion))
.Times(2);
// Run the state machine
//----------------------------------------------------------------------------
// STTCL_TEST_LOG_ALL();
stateMachine.initialize(true);
// Give the region thread(s) a chance to run
sttcl::internal::SttclThread<>::sleep(sttcl::TimeDuration<>(0,0,0,100));
stateMachine.triggerEvent1();
// Give the region thread(s) a chance to run
sttcl::internal::SttclThread<>::sleep(sttcl::TimeDuration<>(0,0,0,100));
stateMachine.triggerEvent2();
// Give the region thread(s) a chance to run
sttcl::internal::SttclThread<>::sleep(sttcl::TimeDuration<>(0,0,0,100));
stateMachine.triggerEvent3();
// Give the region thread(s) a chance to run
sttcl::internal::SttclThread<>::sleep(sttcl::TimeDuration<>(0,0,0,100));
stateMachine.finalize(true);
// STTCL_TEST_LOG_END();
}
TEST_F(TestConcurrentCompositeStateNoArgs,MultipleRegions)
{
typedef TestConcurrentCompositeStateNoArgsMock
< TestStateMachineNoEventArgsMock
> ConcurrentCompositeStateMockType;
::testing::NiceMock<TestStateMachineNoEventArgsMock> stateMachine;
::testing::NiceMock
< ConcurrentCompositeStateMockType
> compositeState(&stateMachine);
::testing::NiceMock
< TestRegionNoArgsMock<ConcurrentCompositeStateMockType>
> region1(&compositeState);
::testing::NiceMock
< TestRegionNoArgsMock<ConcurrentCompositeStateMockType>
> region2(&compositeState);
stateMachine.autoFinalize(false);
compositeState.setRegion(0,®ion1);
compositeState.setRegion(1,®ion2);
stateMachine.initialState(&compositeState);
// Setup mock call expectations
//----------------------------------------------------------------------------
EXPECT_CALL(compositeState,entryImpl(&stateMachine))
.Times(1);
EXPECT_CALL(compositeState,startDoImpl(&stateMachine))
.Times(1);
EXPECT_CALL(compositeState,endDoImpl(&stateMachine))
.Times(1);
EXPECT_CALL(compositeState,exitImpl(&stateMachine))
.Times(1);
// Check region calls
EXPECT_CALL(region1,enterRegionImpl(&compositeState))
.Times(1);
EXPECT_CALL(region1,startingRegionThread())
.Times(1);
EXPECT_CALL(region1,initializeImpl(_))
.Times(1);
EXPECT_CALL(region1,handleEvent1(&compositeState,®ion1))
.Times(1);
EXPECT_CALL(region1,handleEvent2(&compositeState,®ion1))
.Times(1);
EXPECT_CALL(region1,handleEvent3(&compositeState,®ion1))
.Times(1);
EXPECT_CALL(region1,handleEvent4(&compositeState,®ion1))
.Times(1);
EXPECT_CALL(region1,finalizeImpl(_))
.Times(1);
EXPECT_CALL(region1,endingRegionThread())
.Times(1);
EXPECT_CALL(region1,exitRegionImpl(&compositeState))
.Times(1);
EXPECT_CALL(region2,enterRegionImpl(&compositeState))
.Times(1);
EXPECT_CALL(region2,startingRegionThread())
.Times(1);
EXPECT_CALL(region2,initializeImpl(_))
.Times(1);
EXPECT_CALL(region2,handleEvent1(&compositeState,®ion2))
.Times(1);
EXPECT_CALL(region2,handleEvent2(&compositeState,®ion2))
.Times(1);
EXPECT_CALL(region2,handleEvent3(&compositeState,®ion2))
.Times(1);
EXPECT_CALL(region2,handleEvent4(&compositeState,®ion2))
.Times(1);
EXPECT_CALL(region2,finalizeImpl(_))
.Times(1);
EXPECT_CALL(region2,endingRegionThread())
.Times(1);
EXPECT_CALL(region2,exitRegionImpl(&compositeState))
.Times(1);
// Run the state machine
//----------------------------------------------------------------------------
// STTCL_TEST_LOG_ALL();
// compositeState.enableLogging(true);
// innerState.enableLogging(true);
stateMachine.initialize();
// Give the region thread(s) a chance to run
sttcl::internal::SttclThread<>::sleep(sttcl::TimeDuration<>(0,0,0,100));
stateMachine.triggerEvent1();
// Give the region thread(s) a chance to run
sttcl::internal::SttclThread<>::sleep(sttcl::TimeDuration<>(0,0,0,100));
stateMachine.triggerEvent2();
// Give the region thread(s) a chance to run
sttcl::internal::SttclThread<>::sleep(sttcl::TimeDuration<>(0,0,0,100));
stateMachine.triggerEvent3();
// Give the region thread(s) a chance to run
sttcl::internal::SttclThread<>::sleep(sttcl::TimeDuration<>(0,0,0,100));
stateMachine.triggerEvent4();
// Give the region thread(s) a chance to run
sttcl::internal::SttclThread<>::sleep(sttcl::TimeDuration<>(0,0,0,100));
stateMachine.finalize();
// Give the region thread(s) a chance to run
sttcl::internal::SttclThread<>::sleep(sttcl::TimeDuration<>(0,0,0,100));
EXPECT_TRUE(region1.waitForDoActionExited(sttcl::TimeDuration<>(0,0,0,100),10));
// STTCL_TEST_LOG_END();
}
