From 1e2a6c6e367849335fd82efb4afc827fd4fe82a6 Mon Sep 17 00:00:00 2001
From: "Matthias P. Braendli" <matthias.braendli@mpb.li>
Date: Fri, 27 Feb 2015 14:16:58 +0100
Subject: Create custom exception for ZMQ overflow

---
 src/DabMod.cpp            | 18 +++++++++---------
 src/InputReader.h         |  8 ++++++++
 src/InputZeroMQReader.cpp |  2 +-
 3 files changed, 18 insertions(+), 10 deletions(-)

(limited to 'src')

diff --git a/src/DabMod.cpp b/src/DabMod.cpp
index 2489797..6cf1b96 100644
--- a/src/DabMod.cpp
+++ b/src/DabMod.cpp
@@ -107,7 +107,7 @@ enum run_modulator_state {
     MOD_AGAIN
 };
 
-run_modulator_state run_modulator(modulator_data& m);
+run_modulator_state run_modulator(Logger& logger, modulator_data& m);
 
 int main(int argc, char* argv[])
 {
@@ -776,7 +776,7 @@ int main(int argc, char* argv[])
 
         m.inputReader->PrintInfo();
 
-        run_modulator_state st = run_modulator(m);
+        run_modulator_state st = run_modulator(logger, m);
 
         switch (st) {
             case MOD_FAILURE:
@@ -824,7 +824,7 @@ int main(int argc, char* argv[])
     return ret;
 }
 
-run_modulator_state run_modulator(modulator_data& m)
+run_modulator_state run_modulator(Logger& logger, modulator_data& m)
 {
     run_modulator_state ret = MOD_FAILURE;
     try {
@@ -858,24 +858,24 @@ run_modulator_state run_modulator(modulator_data& m)
                 }
             }
             if (framesize == 0) {
-                fprintf(stderr, "End of file reached.\n");
+                logger.level(info) << "End of file reached.";
             }
             else {
-                fprintf(stderr, "Input read error.\n");
+                logger.level(error) << "Input read error.";
             }
             running = 0;
             ret = MOD_NORMAL_END;
         }
     } catch (fct_discontinuity_error& e) {
         // The OutputUHD saw a FCT discontinuity
-        fprintf(stderr, "Stream discontinuity\n");
+        logger.level(warn) << e.what();
         ret = MOD_AGAIN;
-    } catch (std::overflow_error& e) {
+    } catch (zmq_input_overflow& e) {
         // The ZeroMQ input has overflowed its buffer
-        fprintf(stderr, "overflow error: %s\n", e.what());
+        logger.level(warn) << e.what();
         ret = MOD_AGAIN;
     } catch (std::exception& e) {
-        fprintf(stderr, "EXCEPTION: %s\n", e.what());
+        logger.level(error) << "Exception caught: " << e.what();
         ret = MOD_FAILURE;
     }
 
diff --git a/src/InputReader.h b/src/InputReader.h
index e45e36d..dcf88cc 100644
--- a/src/InputReader.h
+++ b/src/InputReader.h
@@ -130,6 +130,14 @@ class InputFileReader : public InputReader
                             // after 2**32 * 24ms ~= 3.3 years
 };
 
+struct zmq_input_overflow : public std::exception
+{
+  const char* what () const throw ()
+  {
+    return "InputZMQ buffer overflow";
+  }
+};
+
 #if defined(HAVE_ZEROMQ)
 /* A ZeroMQ input. See www.zeromq.org for more info */
 
diff --git a/src/InputZeroMQReader.cpp b/src/InputZeroMQReader.cpp
index 7ac7d41..51909c2 100644
--- a/src/InputZeroMQReader.cpp
+++ b/src/InputZeroMQReader.cpp
@@ -88,7 +88,7 @@ int InputZeroMQReader::GetNextFrame(void* buffer)
     in_messages_.wait_and_pop(incoming);
 
     if (! workerdata_.running) {
-        throw std::overflow_error("InputZeroMQ worker dead");
+        throw zmq_input_overflow();
     }
 
     memcpy(buffer, incoming, framesize);
-- 
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