summaryrefslogtreecommitdiff
path: root/tools/gator/daemon/ConfigurationXML.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'tools/gator/daemon/ConfigurationXML.cpp')
-rw-r--r--tools/gator/daemon/ConfigurationXML.cpp188
1 files changed, 188 insertions, 0 deletions
diff --git a/tools/gator/daemon/ConfigurationXML.cpp b/tools/gator/daemon/ConfigurationXML.cpp
new file mode 100644
index 00000000000..145ddbdd736
--- /dev/null
+++ b/tools/gator/daemon/ConfigurationXML.cpp
@@ -0,0 +1,188 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <string.h>
+#include <stdlib.h>
+#include <dirent.h>
+#include "ConfigurationXML.h"
+#include "Logging.h"
+#include "OlyUtility.h"
+#include "SessionData.h"
+
+extern void handleException();
+
+static const char* ATTR_COUNTER = "counter";
+static const char* ATTR_REVISION = "revision";
+static const char* ATTR_TITLE = "title";
+static const char* ATTR_NAME = "name";
+static const char* ATTR_EVENT = "event";
+static const char* ATTR_COLOR = "color";
+static const char* ATTR_COUNT = "count";
+static const char* ATTR_OPERATION = "operation";
+static const char* ATTR_PER_CPU = "per_cpu";
+static const char* ATTR_DESCRIPTION = "description";
+static const char* ATTR_EBS = "event_based_sampling";
+static const char* ATTR_LEVEL = "level";
+static const char* ATTR_ALIAS = "alias";
+static const char* ATTR_DISPLAY = "display";
+static const char* ATTR_UNITS = "units";
+static const char* ATTR_AVERAGE_SELECTION = "average_selection";
+
+ConfigurationXML::ConfigurationXML() {
+#include "configuration_xml.h" // defines and initializes char configuration_xml[] and int configuration_xml_len
+ mIndex = 0;
+ char* path = (char*)malloc(PATH_MAX);
+
+ if (gSessionData->mConfigurationXMLPath) {
+ strncpy(path, gSessionData->mConfigurationXMLPath, PATH_MAX);
+ } else {
+ if (util->getApplicationFullPath(path, PATH_MAX) != 0) {
+ logg->logMessage("Unable to determine the full path of gatord, the cwd will be used");
+ }
+ strncat(path, "configuration.xml", PATH_MAX - strlen(path) - 1);
+ }
+ mConfigurationXML = util->readFromDisk(path);
+
+ if (mConfigurationXML == NULL) {
+ logg->logMessage("Unable to locate configuration.xml, using default in binary");
+ // null-terminate configuration_xml
+ mConfigurationXML = (char*)malloc(configuration_xml_len + 1);
+ memcpy(mConfigurationXML, (const void*)configuration_xml, configuration_xml_len);
+ mConfigurationXML[configuration_xml_len] = 0;
+ }
+
+ // disable all counters prior to parsing the configuration xml
+ for (int i = 0; i < MAX_PERFORMANCE_COUNTERS; i++) {
+ gSessionData->mPerfCounterEnabled[i] = 0;
+ }
+
+ int ret = parse(mConfigurationXML);
+ if (ret == 1) {
+ // remove configuration.xml on disk to use the default
+ if (remove(path) != 0) {
+ logg->logError(__FILE__, __LINE__, "Invalid configuration.xml file detected and unable to delete it. To resolve, delete configuration.xml on disk");
+ handleException();
+ }
+ logg->logMessage("Invalid configuration.xml file detected and removed");
+ }
+
+ validate();
+
+ free(path);
+}
+
+ConfigurationXML::~ConfigurationXML() {
+ if (mConfigurationXML) {
+ free((void*)mConfigurationXML);
+ }
+}
+
+int ConfigurationXML::parse(const char* configurationXML) {
+ mxml_node_t *tree, *node;
+ int ret;
+
+ tree = mxmlLoadString(NULL, configurationXML, MXML_NO_CALLBACK);
+
+ node = mxmlGetFirstChild(tree);
+ while (node && mxmlGetType(node) != MXML_ELEMENT)
+ node = mxmlWalkNext(node, tree, MXML_NO_DESCEND);
+
+ ret = configurationsTag(node);
+
+ node = mxmlGetFirstChild(node);
+ while (node) {
+ if (mxmlGetType(node) != MXML_ELEMENT) {
+ node = mxmlWalkNext(node, tree, MXML_NO_DESCEND);
+ continue;
+ }
+ configurationTag(node);
+ node = mxmlWalkNext(node, tree, MXML_NO_DESCEND);
+ }
+
+ mxmlDelete(tree);
+
+ return ret;
+}
+
+void ConfigurationXML::validate(void) {
+ for (int i = 0; i < MAX_PERFORMANCE_COUNTERS; i++) {
+ if (gSessionData->mPerfCounterEnabled[i]) {
+ if (strcmp(gSessionData->mPerfCounterType[i], "") == 0) {
+ logg->logError(__FILE__, __LINE__, "Invalid required attribute in configuration.xml:\n counter=\"%s\"\n title=\"%s\"\n name=\"%s\"\n event=%d\n", gSessionData->mPerfCounterType[i], gSessionData->mPerfCounterTitle[i], gSessionData->mPerfCounterName[i], gSessionData->mPerfCounterEvent[i]);
+ handleException();
+ }
+
+ // iterate through the remaining enabled performance counters
+ for (int j = i + 1; j < MAX_PERFORMANCE_COUNTERS; j++) {
+ if (gSessionData->mPerfCounterEnabled[j]) {
+ // check if the types are the same
+ if (strcmp(gSessionData->mPerfCounterType[i], gSessionData->mPerfCounterType[j]) == 0) {
+ logg->logError(__FILE__, __LINE__, "Duplicate performance counter type in configuration.xml: %s", gSessionData->mPerfCounterType[i]);
+ handleException();
+ }
+ }
+ }
+ }
+ }
+}
+
+#define CONFIGURATION_REVISION 1
+int ConfigurationXML::configurationsTag(mxml_node_t *node) {
+ const char* revision_string;
+
+ revision_string = mxmlElementGetAttr(node, ATTR_REVISION);
+ if (!revision_string) {
+ return 1; //revision issue;
+ }
+
+ int revision = strtol(revision_string, NULL, 10);
+ if (revision < CONFIGURATION_REVISION) {
+ return 1; // revision issue
+ }
+
+ return 0;
+}
+
+void ConfigurationXML::configurationTag(mxml_node_t *node) {
+ // handle all other performance counters
+ if (mIndex >= MAX_PERFORMANCE_COUNTERS) {
+ logg->logError(__FILE__, __LINE__, "Exceeded maximum number of %d performance counters", MAX_PERFORMANCE_COUNTERS);
+ handleException();
+ }
+
+ // read attributes
+ if (mxmlElementGetAttr(node, ATTR_COUNTER)) strncpy(gSessionData->mPerfCounterType[mIndex], mxmlElementGetAttr(node, ATTR_COUNTER), sizeof(gSessionData->mPerfCounterType[mIndex]));
+ if (mxmlElementGetAttr(node, ATTR_TITLE)) strncpy(gSessionData->mPerfCounterTitle[mIndex], mxmlElementGetAttr(node, ATTR_TITLE), sizeof(gSessionData->mPerfCounterTitle[mIndex]));
+ if (mxmlElementGetAttr(node, ATTR_NAME)) strncpy(gSessionData->mPerfCounterName[mIndex], mxmlElementGetAttr(node, ATTR_NAME), sizeof(gSessionData->mPerfCounterName[mIndex]));
+ if (mxmlElementGetAttr(node, ATTR_DESCRIPTION)) strncpy(gSessionData->mPerfCounterDescription[mIndex], mxmlElementGetAttr(node, ATTR_DESCRIPTION), sizeof(gSessionData->mPerfCounterDescription[mIndex]));
+ if (mxmlElementGetAttr(node, ATTR_EVENT)) gSessionData->mPerfCounterEvent[mIndex] = strtol(mxmlElementGetAttr(node, ATTR_EVENT), NULL, 16);
+ if (mxmlElementGetAttr(node, ATTR_COUNT)) gSessionData->mPerfCounterCount[mIndex] = strtol(mxmlElementGetAttr(node, ATTR_COUNT), NULL, 10);
+ if (mxmlElementGetAttr(node, ATTR_COLOR)) gSessionData->mPerfCounterColor[mIndex] = strtol(mxmlElementGetAttr(node, ATTR_COLOR), NULL, 16);
+ if (mxmlElementGetAttr(node, ATTR_PER_CPU)) gSessionData->mPerfCounterPerCPU[mIndex] = util->stringToBool(mxmlElementGetAttr(node, ATTR_PER_CPU), false);
+ if (mxmlElementGetAttr(node, ATTR_EBS)) gSessionData->mPerfCounterEBSCapable[mIndex] = util->stringToBool(mxmlElementGetAttr(node, ATTR_EBS), false);
+ if (mxmlElementGetAttr(node, ATTR_OPERATION)) strncpy(gSessionData->mPerfCounterOperation[mIndex], mxmlElementGetAttr(node, ATTR_OPERATION), sizeof(gSessionData->mPerfCounterOperation[mIndex]));
+ if (mxmlElementGetAttr(node, ATTR_LEVEL)) gSessionData->mPerfCounterLevel[mIndex] = util->stringToBool(mxmlElementGetAttr(node, ATTR_LEVEL), false);
+ if (mxmlElementGetAttr(node, ATTR_ALIAS)) strncpy(gSessionData->mPerfCounterAlias[mIndex], mxmlElementGetAttr(node, ATTR_ALIAS), sizeof(gSessionData->mPerfCounterAlias[mIndex]));
+ if (mxmlElementGetAttr(node, ATTR_DISPLAY)) strncpy(gSessionData->mPerfCounterDisplay[mIndex], mxmlElementGetAttr(node, ATTR_DISPLAY), sizeof(gSessionData->mPerfCounterDisplay[mIndex]));
+ if (mxmlElementGetAttr(node, ATTR_UNITS)) strncpy(gSessionData->mPerfCounterUnits[mIndex], mxmlElementGetAttr(node, ATTR_UNITS), sizeof(gSessionData->mPerfCounterUnits[mIndex]));
+ if (mxmlElementGetAttr(node, ATTR_AVERAGE_SELECTION)) gSessionData->mPerfCounterAverageSelection[mIndex] = util->stringToBool(mxmlElementGetAttr(node, ATTR_AVERAGE_SELECTION), false);
+ gSessionData->mPerfCounterEnabled[mIndex] = true;
+
+ // strncpy does not guarantee a null-termianted string
+ gSessionData->mPerfCounterType[mIndex][sizeof(gSessionData->mPerfCounterType[mIndex]) - 1] = 0;
+ gSessionData->mPerfCounterTitle[mIndex][sizeof(gSessionData->mPerfCounterTitle[mIndex]) - 1] = 0;
+ gSessionData->mPerfCounterName[mIndex][sizeof(gSessionData->mPerfCounterName[mIndex]) - 1] = 0;
+ gSessionData->mPerfCounterDescription[mIndex][sizeof(gSessionData->mPerfCounterDescription[mIndex]) - 1] = 0;
+ gSessionData->mPerfCounterOperation[mIndex][sizeof(gSessionData->mPerfCounterOperation[mIndex]) - 1] = 0;
+ gSessionData->mPerfCounterAlias[mIndex][sizeof(gSessionData->mPerfCounterAlias[mIndex]) - 1] = 0;
+ gSessionData->mPerfCounterDisplay[mIndex][sizeof(gSessionData->mPerfCounterDisplay[mIndex]) - 1] = 0;
+ gSessionData->mPerfCounterUnits[mIndex][sizeof(gSessionData->mPerfCounterUnits[mIndex]) - 1] = 0;
+
+ // update counter index
+ mIndex++;
+}