X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fconfig%2Fsession-config.c;h=d89249879aece2dc99ea2b138dfcc3784154f097;hb=512eb1488340c4c3c0c29e6cde9d489e858fdd6c;hp=8fcb75230ad4309e4efddb428ab748c9b6721ab9;hpb=7b4aa11d71edf81f1e5a81a447b4e6b788551594;p=lttng-tools.git

diff --git a/src/common/config/session-config.c b/src/common/config/session-config.c
index 8fcb75230..d89249879 100644
--- a/src/common/config/session-config.c
+++ b/src/common/config/session-config.c
@@ -95,6 +95,8 @@ const char * const config_element_output_type = "output_type";
 const char * const config_element_tracefile_size = "tracefile_size";
 const char * const config_element_tracefile_count = "tracefile_count";
 const char * const config_element_live_timer_interval = "live_timer_interval";
+const char * const config_element_discarded_events = "discarded_events";
+const char * const config_element_lost_packets = "lost_packets";
 const char * const config_element_type = "type";
 const char * const config_element_buffer_type = "buffer_type";
 const char * const config_element_session = "session";
@@ -455,7 +457,40 @@ int config_writer_open_element(struct config_writer *writer,
 	ret = xmlTextWriterStartElement(writer->writer, encoded_element_name);
 	xmlFree(encoded_element_name);
 end:
-	return ret > 0 ? 0 : ret;
+	return ret >= 0 ? 0 : ret;
+}
+
+LTTNG_HIDDEN
+int config_writer_write_attribute(struct config_writer *writer,
+		const char *name, const char *value)
+{
+	int ret;
+	xmlChar *encoded_name = NULL;
+	xmlChar *encoded_value = NULL;
+
+	if (!writer || !writer->writer || !name || !name[0]) {
+		ret = -1;
+		goto end;
+	}
+
+	encoded_name = encode_string(name);
+	if (!encoded_name) {
+		ret = -1;
+		goto end;
+	}
+
+	encoded_value = encode_string(value);
+	if (!encoded_value) {
+		ret = -1;
+		goto end;
+	}
+
+	ret = xmlTextWriterWriteAttribute(writer->writer, encoded_name,
+			encoded_value);
+end:
+	xmlFree(encoded_name);
+	xmlFree(encoded_value);
+	return ret >= 0 ? 0 : ret;
 }
 
 LTTNG_HIDDEN
@@ -470,7 +505,7 @@ int config_writer_close_element(struct config_writer *writer)
 
 	ret = xmlTextWriterEndElement(writer->writer);
 end:
-	return ret > 0 ? 0 : ret;
+	return ret >= 0 ? 0 : ret;
 }
 
 LTTNG_HIDDEN
@@ -495,7 +530,7 @@ int config_writer_write_element_unsigned_int(struct config_writer *writer,
 		encoded_element_name, "%" PRIu64, value);
 	xmlFree(encoded_element_name);
 end:
-	return ret > 0 ? 0 : ret;
+	return ret >= 0 ? 0 : ret;
 }
 
 LTTNG_HIDDEN
@@ -520,7 +555,7 @@ int config_writer_write_element_signed_int(struct config_writer *writer,
 		encoded_element_name, "%" PRIi64, value);
 	xmlFree(encoded_element_name);
 end:
-	return ret > 0 ? 0 : ret;
+	return ret >= 0 ? 0 : ret;
 }
 
 LTTNG_HIDDEN
@@ -562,7 +597,7 @@ int config_writer_write_element_string(struct config_writer *writer,
 end:
 	xmlFree(encoded_element_name);
 	xmlFree(encoded_value);
-	return ret > 0 ? 0 : ret;
+	return ret >= 0 ? 0 : ret;
 }
 
 static