// Before each test
void SubscriptionTests::init()
{
// Create the services
service1 = new Service(QDBusConnection::SessionBus, SERVICE_NAME1);
test_int = new Property(*service1, "Test.Int");
test_double = new Property(*service1, "Test.Double");
service2 = new Service(QDBusConnection::SessionBus, SERVICE_NAME2);
test_string = new Property (*service2, "Test.String");
test_bool = new Property(*service2, "Test.Bool");
// Nullify the values (we create the same Properties over and
// over, and they will keep their old values.
test_int->unsetValue();
test_double->unsetValue();
test_string->unsetValue();
test_bool->unsetValue();
// Initialize test program state
isReadyToRead = false;
// Start the client
client = new QProcess();
sconnect(client, SIGNAL(readyReadStandardOutput()), this, SLOT(readStandardOutput()));
client->start("client");
// Record whether the client was successfully started
clientStarted = client->waitForStarted();
// Associate shorter names for the test services when communicating with the client
if (clientStarted) {
writeToClient("assign session " SERVICE_NAME1 " service1\n");
writeToClient("assign session " SERVICE_NAME2 " service2\n");
}
}
void ServiceTest::defaultService()
{
// Check that the initialization went well.
// Doing this only in init() is not enough; doesn't stop the test case.
QVERIFY(clientStarted);
// Use a different service name in each test; this way the ServiceBackends
QString serviceName = QString::number(serviceNameIx).prepend(SERVICE_NAME);
writeToClient(("assign session " + serviceName + " service\n").toStdString().c_str());
++serviceNameIx;
// Test: create a Service. Set the Service as default. Then create
// a Property without a Service.
Service* service = new Service(QDBusConnection::SessionBus, serviceName);
service->setAsDefault();
Property* property = new Property("Test.Property");
// Expected result: the Property got associated with the default
// Service.
// Test: command client to subscribe
QString actual = writeToClient("subscribe service Test.Property\n");
// Expected result: Subscribe works
QString expected = "Subscribe returned: Unknown";
QCOMPARE(actual.simplified(), expected.simplified());
delete service;
delete property;
}
void SubscriptionTests::clientExits()
{
// Check that the initialization went well.
// Doing this only in init() is not enough; doesn't stop the test case.
QVERIFY(clientStarted);
QSignalSpy intItemFirst(test_int, SIGNAL(firstSubscriberAppeared(const QString&)));
QSignalSpy intItemLast(test_int, SIGNAL(lastSubscriberDisappeared(const QString&)));
// Test: ask the client to call Subscribe
writeToClient("subscribe service1 Test.Int\n");
// Expected result: we get a notification that the key was subscribed
QCOMPARE(intItemFirst.count(), 1);
QCOMPARE(intItemLast.count(), 0);
// Test: kill the client
client->kill();
client->waitForFinished();
clientStarted = false;
// It takes some time and event processing until we get the signal
int i = 0;
while (intItemLast.count() == 0 && i++ < 100)
QCoreApplication::processEvents(QEventLoop::AllEvents);
// Expected result: we get a notification that the key was unsubscribed
QCOMPARE(intItemFirst.count(), 1);
QCOMPARE(intItemLast.count(), 1);
}
void ServiceTest::recreateProperty()
{
// Check that the initialization went well.
// Doing this only in init() is not enough; doesn't stop the test case.
QVERIFY(clientStarted);
// Use a different service name in each test; this way the ServiceBackends
QString serviceName = QString::number(serviceNameIx).prepend(SERVICE_NAME);
writeToClient(("assign session " + serviceName + " service\n").toStdString().c_str());
++serviceNameIx;
// Test: create a Service and an associated Property. Set a value
// to the property.
Service* service = new Service(QDBusConnection::SessionBus, serviceName);
Property* property = new Property(*service, "Test.Property");
property->setValue("keep this value");
// Test: delete the property and create it again
delete property;
property = new Property(*service, "Test.Property");
// Expeted result: the Property has kept its value
QCOMPARE(property->value(), QVariant("keep this value"));
delete property;
delete service;
}
int writeToAllClients(char *foo)
{
int c;
for (c = 0; c < maxClients; c++)
writeToClient(c, foo);
return 0;
}
/*
* Handles opening request, parsing head/body and sending
* appropriate response.
*/
void session_handler(Request* req){
int client_soc = req->fd;
/* Parsing request */
char buf[4096]={0};
unsigned int buf_int=0;
/* Calling function readn to read the client socket */
int reqst = readn(client_soc, buf, 4096);
if(reqst == -1){
perror("Request Err: Failed to read from socket.");
close(client_soc);
return;
}else{
buf_int += reqst;
}
buf[buf_int] = '\0';
//returns pointer to first instance of "GET"
char * GET = strstr(buf, "GET");
if(GET){
char * filename = &GET[5];
char * filename_end = strchr(filename, ' ');
filename_end[0] = '\0';
printf("Requesting file '%s'\n", filename);
/* Check file */
FILE * fl = fopen(filename, "r");
if(fl){
writeToClient(&client_soc,filename,fl);
fclose(fl);
}else{
fprintf(stderr, "Failed to open file '%s'\n", filename);
/* Display ERROR message on the browser */
char* no_file = "<html>\n<body>\n404 File Not Found."
"\n</body>\n</html>\n";
/* Send the Header and Body of the ERROR message to the browser*/
sendHTTPheader(client_soc, 4);
printf("Sending the following body to the browser:\n");
printf("%s\n",no_file);
printf("^end of message^\n");
writen(client_soc, no_file, strlen(no_file));
}
}else{
fprintf(stderr, "Invalid GET request\n");
/* Display ERROR message on the browser */
char* no_get = "<html>\n<body>\n Invalid Request. Must be GET."
"\n</body>\n</html>\n";
/* Send the Header and Body of the ERROR message to the browser*/
sendHTTPheader(client_soc, 0);
printf("Sending the following body to the browser:\n");
printf("%s\n",no_get);
printf("^end of message^\n");
writen(client_soc,no_get, strlen(no_get));
}
close(client_soc);
fflush(stdout);
}
void ServiceTest::multiStart()
{
// Check that the initialization went well.
// Doing this only in init() is not enough; doesn't stop the test case.
QVERIFY(clientStarted);
// Use a different service name in each test; this way the ServiceBackends
QString serviceName = QString::number(serviceNameIx).prepend(SERVICE_NAME);
writeToClient(("assign session " + serviceName + " service\n").toStdString().c_str());
++serviceNameIx;
// Test: create a Service and an associated Property
Service* service = new Service(QDBusConnection::SessionBus, serviceName);
Property* property = new Property(*service, "Test.Property");
// Test: command client to subscribe
QString actual = writeToClient("subscribe service Test.Property\n");
// Expected result: service is started automatically and Subscribe works
QString expected = "Subscribe returned: Unknown";
QCOMPARE(actual.simplified(), expected.simplified());
// Start listening to signals (we already have one subscriber)
QSignalSpy firstSpy(property,
SIGNAL(firstSubscriberAppeared(const QString&)));
QSignalSpy lastSpy(property,
SIGNAL(firstSubscriberAppeared(const QString&)));
// Test: start the service again (even though it's started)
service->start();
// Expected result: the service is still there, and remembers the client
actual = writeToClient("subscribe service Test.Property\n");
expected = "Subscribe returned: Unknown";
QCOMPARE(actual.simplified(), expected.simplified());
// (so we don't get a signal)
QTest::qWait(1000);
QCOMPARE(firstSpy.count(), 0);
QCOMPARE(lastSpy.count(), 0);
delete service;
delete property;
}
void ServiceTest::recreate()
{
// Check that the initialization went well.
// Doing this only in init() is not enough; doesn't stop the test case.
QVERIFY(clientStarted);
// Use a different service name in each test; this way the ServiceBackends
QString serviceName = QString::number(serviceNameIx).prepend(SERVICE_NAME);
writeToClient(("assign session " + serviceName + " service\n").toStdString().c_str());
++serviceNameIx;
// Test: create a Service and an associated Property
Service* service = new Service(QDBusConnection::SessionBus, serviceName);
Property* property = new Property(*service, "Test.Property");
// Test: command client to subscribe
QString actual = writeToClient("subscribe service Test.Property\n");
// Expected result: service is started automatically and Subscribe works
QString expected = "Subscribe returned: Unknown";
QCOMPARE(actual.simplified(), expected.simplified());
// Test: delete the property and the service
delete property;
delete service;
actual = writeToClient("subscribe service Test.Property\n");
// Expected result: the client can no more subscribe
expected = "Subscribe error: org.freedesktop.DBus.Error.ServiceUnknown";
QCOMPARE(actual.simplified(), expected.simplified());
// Test: recreate the service and try to subscribe again
service = new Service(QDBusConnection::SessionBus, serviceName);
property = new Property(*service, "Test.Property");
actual = writeToClient("subscribe service Test.Property\n");
// Expected result: service is started and Subscribe works
expected = "Subscribe returned: Unknown";
QCOMPARE(actual.simplified(), expected.simplified());
delete service;
delete property;
}
void SubscriptionTests::multiSubscribe()
{
// Check that the initialization went well.
// Doing this only in init() is not enough; doesn't stop the test case.
QVERIFY(clientStarted);
test_int->setValue(567);
// Ask the client to call Subscribe for a property twice. The
// property exists and has a value.
QString actual1 = writeToClient("subscribe service1 Test.Int\n");
QString actual2 = writeToClient("subscribe service1 Test.Int\n");
// Expected result: both Subscribes return the same value.
QString expected("Subscribe returned: int:567");
QCOMPARE(actual1.simplified(), expected.simplified());
QCOMPARE(actual2.simplified(), expected.simplified());
}
void SubscriptionTests::subscribeReturnValueForUnknownProperty()
{
// Check that the initialization went well.
// Doing this only in init() is not enough; doesn't stop the test case.
QVERIFY(clientStarted);
// Ask the client to call Subscribe with 1 valid key. The property
// is currently unknown since we haven't set a value for it.
QString actual = writeToClient("subscribe service1 Test.Int\n");
// Expected result: The return value of Subscribe contains the key as unknown.
QString expected("Subscribe returned: Unknown");
QCOMPARE(actual.simplified(), expected.simplified());
}
void SubscriptionTests::illegalUnsubscribe()
{
// Check that the initialization went well.
// Doing this only in init() is not enough; doesn't stop the test case.
QVERIFY(clientStarted);
// Ask the client to call Unubscribe for a property which we're
// not subscribed to. The property exists and is currently unknown
// since we haven't set a value for it.
QString actual = writeToClient("unsubscribe service1 Test.Int\n");
// Expected result: Unsubscribe succeeds.
QString expected("Unsubscribe called");
QCOMPARE(actual.simplified(), expected.simplified());
}
void SubscriptionTests::subscribeReturnValueForKnownProperty()
{
// Check that the initialization went well.
// Doing this only in init() is not enough; doesn't stop the test case.
QVERIFY(clientStarted);
// Set a value for a property
test_double->setValue(-8.22);
// Ask the client to call Subscribe with 1 valid key. The property
// has a value we just set.
QString actual = writeToClient("subscribe service1 Test.Double\n");
// Expected result: The return value of Subscribe contains the key and its value.
QString expected("Subscribe returned: double:-8.22");
QCOMPARE(actual.simplified(), expected.simplified());
}
static void cgiEvent(MaQueue *q, MprCmd *cmd, int channel)
{
MaConn *conn;
MaResponse *resp;
MprBuf *buf;
int space, nbytes, err;
mprLog(cmd, 6, "CGI callback channel %d", channel);
buf = 0;
conn = q->conn;
resp = conn->response;
mprAssert(resp);
cmd->lastActivity = mprGetTime(cmd);
switch (channel) {
case MPR_CMD_STDIN:
writeToCGI(q->pair);
return;
case MPR_CMD_STDOUT:
buf = cmd->stdoutBuf;
break;
case MPR_CMD_STDERR:
buf = cmd->stderrBuf;
break;
}
mprAssert(buf);
mprResetBufIfEmpty(buf);
/*
Come here for CGI stdout, stderr events. ie. reading data from the CGI program.
*/
while (mprGetCmdFd(cmd, channel) >= 0) {
/*
Read as much data from the CGI as possible
*/
do {
if ((space = mprGetBufSpace(buf)) == 0) {
mprGrowBuf(buf, MA_BUFSIZE);
if ((space = mprGetBufSpace(buf)) == 0) {
break;
}
}
nbytes = mprReadCmdPipe(cmd, channel, mprGetBufEnd(buf), space);
mprLog(q, 5, "CGI: read from gateway %d on channel %d. errno %d", nbytes, channel,
nbytes >= 0 ? 0 : mprGetOsError());
if (nbytes < 0) {
err = mprGetError();
if (err == EINTR) {
continue;
} else if (err == EAGAIN || err == EWOULDBLOCK) {
break;
}
mprLog(cmd, 5, "CGI read error %d for %", mprGetError(), (channel == MPR_CMD_STDOUT) ? "stdout" : "stderr");
mprCloseCmdFd(cmd, channel);
} else if (nbytes == 0) {
/*
This may reap the terminated child and thus clear cmd->process if both stderr and stdout are closed.
*/
mprLog(cmd, 5, "CGI EOF for %s", (channel == MPR_CMD_STDOUT) ? "stdout" : "stderr");
mprCloseCmdFd(cmd, channel);
break;
} else {
mprLog(cmd, 5, "CGI read %d bytes from %s", nbytes, (channel == MPR_CMD_STDOUT) ? "stdout" : "stderr");
mprAdjustBufEnd(buf, nbytes);
traceData(cmd, mprGetBufStart(buf), nbytes);
}
} while ((space = mprGetBufSpace(buf)) > 0);
if (mprGetBufLength(buf) == 0) {
return;
}
if (channel == MPR_CMD_STDERR) {
/*
If we have an error message, send that to the client
*/
if (mprGetBufLength(buf) > 0) {
mprAddNullToBuf(buf);
mprLog(conn, 4, mprGetBufStart(buf));
if (writeToClient(q, cmd, buf, channel) < 0) {
return;
}
maSetResponseCode(conn, MPR_HTTP_CODE_SERVICE_UNAVAILABLE);
cmd->userFlags |= MA_CGI_SEEN_HEADER;
cmd->status = 0;
}
} else {
if (!(cmd->userFlags & MA_CGI_SEEN_HEADER) && !parseHeader(conn, cmd)) {
return;
}
if (cmd->userFlags & MA_CGI_SEEN_HEADER) {
if (writeToClient(q, cmd, buf, channel) < 0) {
return;
}
}
}
}
}
void CallSetuptState::processRequest(const std::string &data, User &context) {
std::cout << context.getUid() << " in CallSetuptState " << data.substr(0, 10) << std::endl;
if (data.compare(0, 3, "cnr") == 0) { // client wants to dial a peer
string encrypted = data.substr(4); //take data part
auto elements = StringHelper::split(encrypted, ',');
string dest_uid(elements->at(0));
string my_pub_key(elements->at(1));
std::replace(my_pub_key.begin(), my_pub_key.end(), ':', '\n');
context.setMypubKey(my_pub_key);
try {
if (context.getUid() == dest_uid) {
throw Poco::InvalidAccessException("You cannot call yourself ");
}
auto receiver = LoggedUsersMap::getInstance().findUser(dest_uid); //throws out_of_range exception
if (receiver != nullptr && receiver->getCurrentState()==&LoginState::getInstance()) { //this is not necessary. But checking it won't kill you
shared_ptr <CallAggregator> session(new CallAggregator());
context.setSession(session);
receiver->setSession(context.Session()); // receiver will register itself as a observer on 'kcs' event
int bytes = receiver->writeToClientBlocking(CERT_REQUEST, 5000);
if (bytes < 0) {
throw IOException("write failed");
}
receiver->setCurrent_state(CallSetuptState::getInstance());
context.Session()->registerAsCaller(context.shared_from_this());
cout << "registered as a caller" << endl;
std::thread async_thread(std::function<void()>([&context]() -> void {
//local variable should be copied
auto caller = context.shared_from_this();//we can use 'context' reference but need to keep User object until thread ends
string sessionKey = context.Session()->getSessionKey();
try {
cout << "waiting for receiver TID :" << std::this_thread::get_id() << endl;
bool timeoutReached = context.Session()->wait_for_receiver(10);//seconds
//encrpt and send skey
if (!timeoutReached &&
caller.use_count() > 1) { //if time out not reached and this is not the only reference
caller->_behaviours->getCallInitializerBehaviour().sendSessionKey(sessionKey, *caller,
false); //throws exceptions
caller->setCurrent_state(CallingState::getInstance());
} else {
throw Poco::NotFoundException("Receiver end failed");
}
} catch (const Poco::Exception &e) {
cerr << e.message() << endl;
caller->writeToClient(REMOTE_USER_NOT_AVAILABLE);
context.writeToClient(DISCONNECT);// DISCONNECT does not work
if (caller->Session().get()) {
caller->Session()->unregisterObserver(caller);
caller->Session() = nullptr;
cout << "session cleared" << endl;
}
caller->setCurrent_state(LoginState::getInstance());
} catch (exception &e) {
cerr << "In async thread " << e.what() << endl;
}
}));
/*std::this_thread::sleep_until(std::chrono::system_clock::now() +
std::chrono::nanoseconds(1000));//wait till lambda func till copy args*/
async_thread.detach(); // now thread object can be deleted without affecting the running thread
} else{
cout << "user " << dest_uid << " not available" << endl;
//this_thread::__sleep_for(std::chrono::seconds(3),std::chrono::nanoseconds(0));
context.writeToClient(REMOTE_USER_NOT_AVAILABLE);
context.setCurrent_state(LoginState::getInstance());
}
} catch (const std::out_of_range &e) { // from find(uid)
cout << "user " << dest_uid << " not available" << endl;
//this_thread::__sleep_for(std::chrono::seconds(3),std::chrono::nanoseconds(0));
context.writeToClient(REMOTE_USER_NOT_AVAILABLE);
context.setCurrent_state(LoginState::getInstance());
} catch (const Poco::InvalidAccessException &e) { //if caller==callie
context.writeToClient(REMOTE_USER_NOT_AVAILABLE, 0);
cerr << e.message() << endl;
context.setCurrent_state(LoginState::getInstance());
} catch (const IOException &e) { //when writing to a closed Socket
context.writeToClient(REMOTE_USER_NOT_AVAILABLE, 0);
cerr << e.message() << endl;
context.setCurrent_state(LoginState::getInstance());
} catch (const Poco::NullPointerException &e) { //when trying to write after SocketConnection is deleted;
context.writeToClient(REMOTE_USER_NOT_AVAILABLE, 0);
cerr << e.message() << endl;
context.setCurrent_state(LoginState::getInstance());
}
// my_pub_key.replace(':','',);
}//this part has to be extracted to a seperte state.
// unless receiver can process call request prior receiving cert request
else if (data.compare(0, 3, "kcs") == 0) { //certificate response to server's request
string my_pub_key = data.substr(4); //take data part
std::replace(my_pub_key.begin(), my_pub_key.end(), ':', '\n');
context.setMypubKey(my_pub_key);
if (context.Session().get()) {// session could have been ended by caller
context.Session()->registerAsReceiver(context.shared_from_this());
string sKey(context.Session()->getSessionKey());
context.Session()->notify_caller(); //Notify waiting caller
try {
context._behaviours->getCallInitializerBehaviour().sendSessionKey(sKey, context, true);
context.setCurrent_state(RingingState::getInstance());
} catch (const Poco::Exception &e) {
context.writeToClient(DISCONNECT);
context.setCurrent_state(LoginState::getInstance());
}
} else {
context.setCurrent_state(LoginState::getInstance());
}
} else if (data.compare(0, 3, "rej") == 0) {//while caller is waiting itself can cancel the call
if (context.Session().get()) {
context.Session()->interrupt_caller();
}
}
}
int main(int argc, char *argv[]) {
char str[50];
FILE *file;
int i,numberTrueAnswer=0;
char *clientFile="/home/user/workspace/server/registration.txt";
char numberTest='0';
char *name=(char*)malloc(50*sizeof(char));
int sockfd, newsockfd, portno, clilen;
const int on = 1;
char buffer[256];
struct sockaddr_in serv_addr, cli_addr;
int n;
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if (sockfd < 0) {
perror("ERROR opening socket");
exit(1);
}
setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
bzero((char *) &serv_addr, sizeof(serv_addr));
portno = 5001;
serv_addr.sin_family = AF_INET;
serv_addr.sin_addr.s_addr = INADDR_ANY;
serv_addr.sin_port = htons(portno);
if (bind(sockfd, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0) {
perror("ERROR on binding");
exit(1);
}
listen(sockfd, 5);
clilen = sizeof(cli_addr);
newsockfd = accept(sockfd, (struct sockaddr *) &cli_addr, &clilen);
if (newsockfd < 0) {
perror("ERROR on accept");
exit(1);
}
//Connect from client
while(1){
bzero(buffer, 256);
n = read(newsockfd, buffer, 255);
if (n < 0) {
perror("ERROR reading from socket");
exit(1);
}
if(buffer[0]=='!'){
n = write(newsockfd, "Login", 5);
break;
}
n = write(newsockfd, "ERROR", 5);
}
/*//Registration
int numberClient;
int clientSize=sizeFile(clientFile);
struct Client c[clientSize];
file = fopen(clientFile, "r");
for (i = 0; fgets(str, sizeof(str), file); i++) {
writeSizeClient(&c[i], &str);
}
fclose(file);
while(1){
numberClient=-1;
bzero(buffer, 256);
n = read(newsockfd, buffer, 255);
for (i = 0; i<clientSize; i++) {
if(strcmp(buffer, strcat(c[i].login,"\n"))==0){
numberClient=i;
break;
}}
if(numberClient!=-1){
n = write(newsockfd, "Parol", 5);
break;
}
n = write(newsockfd, "Login", 5);
}
//Enter Password
while(1){
bzero(buffer, 256);
n = read(newsockfd, buffer, 255);
if(strcmp(buffer, strcat(c[numberClient].parol, "\n"))==0){
n = write(newsockfd, "OK", 2);
break;
}
n = write(newsockfd, "Parol", 5);
}
//Enter last result
char *string=writeLastResult(&c[numberClient]);
printf("%s",string);*/
//Number test
while (1){
bzero(buffer, 256);
n = read(newsockfd, buffer, 255);
numberTest = buffer[0];
name=(char*)malloc(50*sizeof(char));
sprintf(name, "%s%c%s", "/home/user/workspace/server/",numberTest, ".txt");
if((file = fopen(name, "r"))!=NULL){
n = write(newsockfd, "OK", 2);
break;
}
n = write(newsockfd, "ERROR", 5);
free(name);
}
int testSize = sizeFile(name);
struct Line x[testSize];
file = fopen(name, "r");
for (i = 0; fgets(str, sizeof(str), file); i++) {
writeSize(&x[i], &str);
}
fclose(file);
for (i = 0; i < testSize; i++) {
char *stringOut = writeToClient(&x[i]);
n = write(newsockfd, stringOut, strlen(stringOut));
printf("%d", strlen(stringOut));
bzero(buffer, 256);
n = read(newsockfd, buffer, 255);
if (n < 0) {
perror("ERROR reading from socket");
exit(1);
}
printf("Answer: %s\n", buffer);
if (buffer[0] == x[i].trueAnswer){
n = write(newsockfd, "Right\n", 6);
numberTrueAnswer=numberTrueAnswer+1;
}
else
n = write(newsockfd, "Wrong\n", 6);
if (n < 0) {
perror("ERROR writing to socket");
exit(1);
}
}
free(name);
name=(char*)malloc(100*sizeof(char));
sprintf(name, "%s%d\n%s%d\n", "Number of question ",testSize,
"Number of true answer is ",numberTrueAnswer);
n = write(newsockfd, name, strlen(name));
if (n < 0) {
perror("ERROR writing to socket");
exit(1);
}
n = write(newsockfd, "!\n", 2);
for (i = 0; i < testSize; i++)
freeLine(&x[i]);
free(name);
//for (i = 0; i < clientSize; i++)
//freeClient(&c[i]);
return 0;
}
// Tell joke to client, which is already accepted at [(int) socket].
void tellJokeToClient(int socket)
{
// Read from socket.
int checkRead;
char request[MAX_MESSAGE_LENGTH];
bzero(request, MAX_MESSAGE_LENGTH);
checkRead = read(socket, request, MAX_MESSAGE_LENGTH - 1);
if (checkRead < 0)
{
perror("Could not read from socket.\n");
exit(1);
}
// Checking format correctness
if (checkRead < 3 || request[0] != JOKER_REQUEST_TYPE
|| checkRead != 3 + (uint8_t)request[1] + (uint8_t)request[2])
{
perror("Request format error.\n");
writeToClient(socket, "Malformed (wrong type)", 22);
exit(1);
}
char outputInfo[MAX_MESSAGE_LENGTH];
sprintf(outputInfo, "Received following message: ");
strncat(outputInfo, request + 3, (uint8_t)request[1] + (uint8_t)request[2]);
printf("%s\n", outputInfo);
// 2nd and 3rd byte have to be numbers in range of 0 - 255 (Firstname/Lastname length).
// Every char is a number in this range, thus the check of 2nd and 3rd byte can be omitted.
// Wrong numbers are not harmful (tested).
// Receive length of firstname from request.
uint8_t lengthFirstName = (int)request[1];
// Receive length of lastname from request.
uint8_t lengthLastName = (int)request[2];
// Receive firstname from request.
char firstName[lengthFirstName + 1];
strncpy(firstName, request + 3, lengthFirstName);
firstName[lengthFirstName] = '\0';
// Receive lastname from request.
char lastName[lengthLastName + 1];
strncpy(lastName, request + 3 + lengthFirstName, lengthLastName);
lastName[lengthLastName] = '\0';
printf("First name: %s. %i characters.\n", firstName, lengthFirstName);
printf("Last name: %s. %i characters.\n", lastName, lengthLastName);
// Select a joke and concatenate it with user's name.
char * text[] = {
"how do you make a dog sound like a cat? You freeze the dog and cut it with a chainsaw. MEEEEEEOOOOOWWW.",
"how do you make a cat sound like a dog? You dump gas over the cat and set it on fire. WOOOOOF."
};
srand(time(NULL));
int random = rand() % 2;
int jokeLength = strlen(text[random]) + lengthFirstName + lengthLastName + 9;
char joke[jokeLength];
bzero(joke, jokeLength);
strcat(joke, "Hello ");
strcat(joke, firstName);
strcat(joke, " ");
strcat(joke, lastName);
strcat(joke, ", ");
strcat(joke, text[random]);
// Create response.
int responseLength = strlen(joke) + 5;
char response[responseLength];
bzero(response, responseLength);
// First byte is of JOKER_RESPONSE TYPE.
response[0] = JOKER_RESPONSE_TYPE;
// 2nd to 5th byte is the length of the joke.
uint32_t lengthOfJoke = htonl(strlen(joke));
memcpy(response + 1, &lengthOfJoke, sizeof(lengthOfJoke));
// From 6th byte on, the joke occurs.
memcpy(response + 5, joke, strlen(joke)+1);
// Finally write joke to client with correct format.
writeToClient(socket, response, responseLength);
}
void SubscriptionTests::subscriberNotifications()
{
// Check that the initialization went well.
// Doing this only in init() is not enough; doesn't stop the test case.
QVERIFY(clientStarted);
QSignalSpy intItemFirst(test_int, SIGNAL(firstSubscriberAppeared(const QString&)));
QSignalSpy intItemLast(test_int, SIGNAL(lastSubscriberDisappeared(const QString&)));
QSignalSpy doubleItemFirst(test_double, SIGNAL(firstSubscriberAppeared(const QString&)));
QSignalSpy doubleItemLast(test_double, SIGNAL(lastSubscriberDisappeared(const QString&)));
QSignalSpy stringItemFirst(test_string, SIGNAL(firstSubscriberAppeared(const QString&)));
QSignalSpy stringItemLast(test_string, SIGNAL(lastSubscriberDisappeared(const QString&)));
QSignalSpy boolItemFirst(test_bool, SIGNAL(firstSubscriberAppeared(const QString&)));
QSignalSpy boolItemLast(test_bool, SIGNAL(lastSubscriberDisappeared(const QString&)));
// Test: ask the client to call Subscribe to 2 keys
writeToClient("subscribe service1 Test.Int\n");
writeToClient("subscribe service1 Test.Double\n");
// Expected result: we get the notifications for the subscribed keys
QCOMPARE(intItemFirst.count(), 1);
QCOMPARE(intItemLast.count(), 0);
QCOMPARE(doubleItemFirst.count(), 1);
QCOMPARE(doubleItemLast.count(), 0);
// But not for the other ones
QCOMPARE(stringItemFirst.count(), 0);
QCOMPARE(stringItemLast.count(), 0);
QCOMPARE(boolItemFirst.count(), 0);
QCOMPARE(boolItemLast.count(), 0);
// Clear the results
intItemFirst.clear();
doubleItemFirst.clear();
// Test: subscribe to one more key (note different bus name)
writeToClient("subscribe service2 Test.Bool\n");
// Expected result: a notification for the corresponding property, not for others
QCOMPARE(intItemFirst.count(), 0);
QCOMPARE(intItemLast.count(), 0);
QCOMPARE(doubleItemFirst.count(), 0);
QCOMPARE(doubleItemLast.count(), 0);
QCOMPARE(boolItemFirst.count(), 1);
QCOMPARE(boolItemLast.count(), 0);
QCOMPARE(stringItemFirst.count(), 0);
QCOMPARE(stringItemLast.count(), 0);
// Clear the results
boolItemFirst.clear();
// Test: Unsubscribe from one of the keys
writeToClient("unsubscribe service1 Test.Double\n");
// Expected result:
QCOMPARE(intItemFirst.count(), 0);
QCOMPARE(intItemLast.count(), 0);
QCOMPARE(doubleItemFirst.count(), 0);
QCOMPARE(doubleItemLast.count(), 1);
QCOMPARE(boolItemFirst.count(), 0);
QCOMPARE(boolItemLast.count(), 0);
QCOMPARE(stringItemFirst.count(), 0);
QCOMPARE(stringItemLast.count(), 0);
// Clear the results
doubleItemLast.clear();
// Unsubscribe from the rest of the keys, too
writeToClient("unsubscribe service1 Test.Int\n");
writeToClient("unsubscribe service2 Test.Bool\n");
// Expected result:
QCOMPARE(intItemFirst.count(), 0);
QCOMPARE(intItemLast.count(), 1);
QCOMPARE(doubleItemFirst.count(), 0);
QCOMPARE(doubleItemLast.count(), 0);
QCOMPARE(boolItemFirst.count(), 0);
QCOMPARE(boolItemLast.count(), 1);
QCOMPARE(stringItemFirst.count(), 0);
QCOMPARE(stringItemLast.count(), 0);
// Clear the results
intItemLast.clear();
boolItemLast.clear();
}
