Merge pull request #164 from IBMStreams/issue162

Fixes #162 for master branch

Author: hildrum

com.ibm.streamsx.inet/com.ibm.streamsx.inet/InetSource/InetSource_cpp.cgt

@@ -224,7 +224,6 @@ void MY_OPERATOR::process(uint32_t idx)
   SPLAPPTRC(L_DEBUG, "Processing...", "InetSource");
 
   OPort0Type tuple;
-  string record;
   istringstream retrievalBuffer;
   int recordCounter = 0;
 <% if($doNotStreamInitialFetch) { %>
@@ -323,12 +322,17 @@ void MY_OPERATOR::process(uint32_t idx)
          */
 
         // Start of loop here, one loop cycle per input record, until retrieval buffer is exhausted
-        getline(retrievalBuffer, record);
-        if(record.size() > 0 || !retrievalBuffer.eof())
-        {
-          do
-          {
-            if(inputLinesPerRecord_ > 1)
+
+          while(!retrievalBuffer.eof())  {
+              string record;
+              getline(retrievalBuffer,record);
+      
+              // if there's no data left, we should exit this loop
+              if(retrievalBuffer.eof() && record.size() == 0) {
+                 break;
+              }
+
+           if(inputLinesPerRecord_ > 1)
             {
               /*
                * Here, the user asked for multiple lines per record, so append the contents of the additional
@@ -432,9 +436,7 @@ void MY_OPERATOR::process(uint32_t idx)
               else break; // when there is no fragmentation, we are done
             }
 <% } %>
-            if(!retrievalBuffer.eof()) getline(retrievalBuffer, record);
-          } while(!retrievalBuffer.eof());
-        } // end of if(record.size() > 0 || !retrievalBuffer.eof())
+          } 
 <% if($outputTypeIsList && $emitTuplePerURI) { %>
         /*
          * Here, emitTuplePerURI was requested, so flush the internal list buffer(s) into its(their)

com.ibm.streamsx.inet/info.xml

@@ -48,7 +48,7 @@ Alternatively, you can fully qualify the operators that are provided by toolkit
 4. Start the InfoSphere Streams instance. 
 5. Run the application. You can submit the application as a job by using the **streamtool submitjob** command or by using Streams Studio. 
     </description>
-    <version>2.6.0</version>
+    <version>2.6.1</version>
     <requiredProductVersion>4.0.0.0</requiredProductVersion>
   </identity>
   <dependencies/>

tests/InetSource/NoNewlineAtEnd/Main.spl

@@ -0,0 +1,40 @@
+
+/**
+  * This composite is meant to be run as a test.  If compiled in standalone mode and executed,
+  * it will give return 0 if the test is successful, and non-zero if the test fails.  It should
+  * be able to be invoked by any test harness.
+  */
+
+composite Main {
+
+graph
+    stream<rstring result> NoNewline = com.ibm.streamsx.inet::InetSource() {
+    param
+        // the data returned by this URL does not have a newline at the end.
+       URIList: ["http://services.faa.gov/airport/status/ATL?format=application/xml"];
+        fetchInterval: 5.0; 
+       
+    }
+
+    // make sure we got the last line.
+    () as checkNoNewline = Custom(NoNewline) {
+        logic state: {
+            mutable int32 numEnter = 0;
+            mutable int32 numExits = 0;
+        }
+         onTuple NoNewline: {
+            if (size(regexMatch(result,"\\s*<AirportStatus>\\s*")) > 0) {
+                numEnter++;
+            }   
+            else if (size(regexMatch(result,"\\s*</AirportStatus\\s*"))>0) {
+                numExits++;
+            }
+            if (numEnter-numExits > 1) {
+                abort();
+            }
+            if (numEnter == numExits && numExits > 0) {
+                shutdownPE();
+            }
+        }
+    }
+}