Fixed some memory problems on destruction. Serial listener maybe working, serial's read doesn't seem to return anything or block at all.

examples/serial_listener_example.cc

@@ -13,9 +13,9 @@ void callback(std::string token) {
   std::cout << "callback got a: " << token << std::endl;
 }
 
-int main(void) {
+int run() {
   // Assuming this device prints the string 'pre-substr-post\r' at 100Hz
-  Serial serial("/dev/tty.usbmodemfd1231", 115200);
+  Serial serial("/dev/tty.usbserial-A900cfJA", 115200);
 
   SerialListener listener;
   listener.startListening(serial);
@@ -40,7 +40,7 @@ int main(void) {
       listener.createBlockingFilter(SerialListener::endsWith("post"));
     for (size_t i = 0; i < 3; i++) {
       std::string token = f2->wait(100); // Wait for 100 ms or a matched token
-      if (token == "")
+      if (token != "")
         std::cout << "Found something ending with 'post'" << std::endl;
       else
         std::cout << "Did not find something ending with 'post'" << std::endl;
@@ -82,3 +82,12 @@ int main(void) {
   return 0;
 
 }
+
+int main(void) {
+  try {
+    return run();
+  } catch (std::exception &e) {
+    std::cerr << e.what() << std::endl;
+    return 1;
+  }
+}

include/serial/serial_listener.h

@@ -814,12 +814,10 @@ private:
 class BlockingFilter
 {
 public:
-  BlockingFilter (ComparatorType comparator,
+  BlockingFilter (ComparatorType comparator, SerialListener &listener) {
-                  boost::shared_ptr<SerialListener> listener)
+    this->listener = &listener;
-  : listener(listener)
-  {
     DataCallback cb = boost::bind(&BlockingFilter::callback, this, _1);
-    this->filter_ptr = listener->createFilter(comparator, cb);
+    this->filter_ptr = this->listener->createFilter(comparator, cb);
   }
 
   virtual ~BlockingFilter () {
@@ -851,7 +849,7 @@ public:
   }
 
 private:
-  boost::shared_ptr<SerialListener> listener;
+  SerialListener * listener;
   boost::condition_variable cond;
   boost::mutex mutex;
   std::string result;
@@ -878,11 +876,12 @@ class BufferedFilter
 {
 public:
   BufferedFilter (ComparatorType comparator, size_t buffer_size, 
-                  boost::shared_ptr<SerialListener> listener)
+                  SerialListener &listener)
-  : listener(listener), buffer_size(buffer_size)
+  : buffer_size(buffer_size)
   {
+    this->listener = &listener;
     DataCallback cb = boost::bind(&BufferedFilter::callback, this, _1);
-    this->filter_ptr = listener->createFilter(comparator, cb);
+    this->filter_ptr = this->listener->createFilter(comparator, cb);
   }
 
   virtual ~BufferedFilter () {
@@ -944,7 +943,7 @@ public:
 
 private:
   size_t buffer_size;
-  boost::shared_ptr<SerialListener> listener;
+  SerialListener * listener;
   ConcurrentQueue<std::string> queue;
   std::string result;
 

serial.cmake

@@ -16,6 +16,7 @@ IF(EXISTS /usr/bin/clang)
   set(CMAKE_OSX_DEPLOYMENT_TARGET "")
   # set(CMAKE_CXX_FLAGS "-ferror-limit=5 -std=c++0x -stdlib=libc++")
   set(CMAKE_CXX_FLAGS "-ferror-limit=5")
+  set(CMAKE_BUILD_TYPE Debug)
 ENDIF(EXISTS /usr/bin/clang)
 
 option(SERIAL_BUILD_TESTS "Build all of the Serial tests." OFF)

src/impl/unix.cc

@@ -22,6 +22,20 @@
 #endif
 #endif
 
+class UnhandledException : public std::exception {
+    const char * e_what;
+public:
+    UnhandledException(const char * e_what) {this->e_what = e_what;}
+    
+    virtual const char* what() const throw() {
+        std::stringstream ss;
+        ss << "Unhandled Exception: " << this->e_what;
+        return ss.str().c_str();
+    }
+};
+
+typedef UnhandledException e;
+
 using ::serial::Serial;
 using std::string;
 
@@ -42,8 +56,8 @@ Serial::SerialImpl::~SerialImpl () {
 
 void
 Serial::SerialImpl::open () {
-  if (port_.empty() == false) throw "error";
+  if (port_.empty() == true) throw e("error");
-  if (isOpen_ == false) throw "error";
+  if (isOpen_ == true) throw e("error");
 
   fd_ = ::open (port_.c_str(), O_RDWR | O_NOCTTY | O_NONBLOCK);
 
@@ -55,7 +69,7 @@ Serial::SerialImpl::open () {
 
 void
 Serial::SerialImpl::reconfigurePort () {
-  if (fd_ == -1) throw "Error"; // Can only operate on a valid file descriptor
+  if (fd_ == -1) throw e("Error"); // Can only operate on a valid file descriptor
   
   struct termios options; // The current options for the file descriptor
   struct termios originalTTYAttrs; // The orignal file descriptor options
@@ -66,7 +80,7 @@ Serial::SerialImpl::reconfigurePort () {
     vtime = int(interCharTimeout_ * 10);
   }
   
-  if (tcgetattr(fd_, &originalTTYAttrs) == -1) throw "Error";
+  if (tcgetattr(fd_, &originalTTYAttrs) == -1) throw e("Error");
   
   options = originalTTYAttrs;
   
@@ -99,7 +113,7 @@ Serial::SerialImpl::reconfigurePort () {
   else if (bytesize_ == FIVEBITS)
       options.c_cflag |= CS5;
   else
-      throw "ValueError(Invalid char len: %%r)";
+      throw e("ValueError(Invalid char len: %%r)");
   // setup stopbits
   if (stopbits_ == STOPBITS_ONE)
       options.c_cflag &= ~(CSTOPB);
@@ -108,7 +122,7 @@ Serial::SerialImpl::reconfigurePort () {
   else if (stopbits_ == STOPBITS_TWO)
       options.c_cflag |=  (CSTOPB);
   else 
-      throw "ValueError(Invalid stop bit specification:)";
+      throw e("ValueError(Invalid stop bit specification:)");
   // setup parity
   options.c_iflag &= ~(INPCK|ISTRIP);
   if (parity_ == PARITY_NONE) {
@@ -122,7 +136,7 @@ Serial::SerialImpl::reconfigurePort () {
     options.c_cflag |=  (PARENB|PARODD);
   }
   else {
-    throw "ValueError(Invalid parity:";
+    throw e("ValueError(Invalid parity:");
   }
   // setup flow control
   // xonxoff
@@ -188,13 +202,13 @@ Serial::SerialImpl::available () {
   if (result == 0) {
     return count;
   } else {
-    throw "Error";
+    throw e("Error");
   }
 }
 
 string
 Serial::SerialImpl::read (size_t size) {
-  if (!isOpen_) throw "PortNotOpenError()";
+  if (!isOpen_) throw e("PortNotOpenError()");
   string message = "";
   char buf[1024];
   fd_set readfds;
@@ -223,7 +237,7 @@ Serial::SerialImpl::read (size_t size) {
           // Disconnected devices, at least on Linux, show the
           // behavior that they are always ready to read immediately
           // but reading returns nothing.
-          throw "SerialException('device reports readiness to read but returned no data (device disconnected?)')";
+          throw e("SerialException('device reports readiness to read but returned no data (device disconnected?)')");
       }
       message.append(buf, bytes_read);
     }
@@ -236,12 +250,12 @@ Serial::SerialImpl::read (size_t size) {
 
 size_t
 Serial::SerialImpl::write (const string &data) {
-  if (isOpen_ == false) throw "portNotOpenError";
+  if (isOpen_ == false) throw e("portNotOpenError");
 
   size_t t = data.length();
   size_t n = ::write(fd_, data.c_str(), data.length());
   if (n == -1) {
-    throw "Write error";
+    throw e("Write error");
   }
   return n;
 }

src/serial_listener.cc

@@ -64,6 +64,8 @@ SerialListener::callback() {
     std::pair<FilterPtr,TokenPtr> pair;
     while (this->listening) {
       if (this->callback_queue.timed_wait_and_pop(pair, 10)) {
+        std::cout << "Got something off the callback queue: ";
+        std::cout << (*pair.second) << std::endl;
         if (this->listening) {
           try {
             pair.first->callback((*pair.second));
@@ -133,6 +135,7 @@ SerialListener::readSomeData(std::string &temp, size_t this_many) {
     this->handle_exc(SerialListenerException("Serial port not open."));
   }
   temp = this->serial_port->read(this_many);
+  std::cout << "Read(" << temp.length() << "): " << temp << std::endl;
 }
 
 void
@@ -199,7 +202,7 @@ SerialListener::createFilter(ComparatorType comparator, DataCallback callback)
 BlockingFilterPtr
 SerialListener::createBlockingFilter(ComparatorType comparator) {
   return BlockingFilterPtr(
-    new BlockingFilter(comparator, boost::shared_ptr<SerialListener>(this)));
+    new BlockingFilter(comparator, (*this)));
 }
 
 BufferedFilterPtr
@@ -207,9 +210,7 @@ SerialListener::createBufferedFilter(ComparatorType comparator,
                                      size_t buffer_size)
 {
   return BufferedFilterPtr(
-    new BufferedFilter(comparator,
+    new BufferedFilter(comparator, buffer_size, (*this)));
-                       buffer_size,
-                       boost::shared_ptr<SerialListener>(this)));
 }
 
 void