Changeset c73f536 for examples

Timestamp:

04/24/13 11:15:32 (9 years ago)

Author:

Shane Alcock <salcock@…>

Branches:

4.0.1-hotfixes, cachetimestamps, develop, dpdk-ndag, etsilive, getfragoff, help, libtrace4, master, ndag_format, pfring, rc-4.0.1, rc-4.0.2, rc-4.0.3, rc-4.0.4, ringdecrementfix, ringperformance, ringtimestampfixes

Children:

460855d

Parents:

1439466

Message:

• Fixed erroneous configuration example -- you have to set the compression type to get compressed output now

File:

• examples/tutorial/configdemo.c (modified) (2 diffs)

examples/tutorial/configdemo.c

@@ -56 +56 @@
 
         int level = 6;
+        trace_option_compresstype_t method = TRACE_OPTION_COMPRESSTYPE_ZLIB;
 
         /* Check that we have all the required command line arguments */
@@ -121 +122 @@
         }
 
+        /* We want to write compressed output, so tell libtrace which 
+         * compression format to use for our output trace. 
+         * 
+         * Not configuring this will result in uncompressed output, 
+         * regardless of whether a compression level is set or not. This
+         * is different behaviour to earlier versions of libtrace where
+         * the default was to produce a compressed file.
+         */
+        if (trace_config_output(output, TRACE_OPTION_OUTPUT_COMPRESSTYPE, 
+                        &method) == -1) {
+                trace_perror_output(output, "Configuring compression method");
+                libtrace_cleanup(trace, output, packet, filter);
+                return 1;
+        }
+
         /* We're also going to set a compression level option for the output
          * trace to ensure that our traces are compressed sensibly.