Initial commit

common/rfb/LogWriter.cxx

@@ -0,0 +1,134 @@
+/* Copyright (C) 2002-2005 RealVNC Ltd.  All Rights Reserved.
+ * 
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ */
+
+// -=- LogWriter.cxx - client-side logging interface
+
+#include <string.h>
+
+#include <rfb/LogWriter.h>
+#include <rfb/Configuration.h>
+#include <rfb/util.h>
+#include <stdlib.h>
+
+rfb::LogParameter rfb::logParams;
+
+using namespace rfb;
+
+
+LogWriter::LogWriter(const char* name) : m_name(name), m_level(0), m_log(0), m_next(log_writers) {
+  log_writers = this;
+}
+
+LogWriter::~LogWriter() {
+  // *** Should remove this logger here!
+}
+
+void LogWriter::setLog(Logger *logger) {
+  m_log = logger;
+}
+
+void LogWriter::setLevel(int level) {
+  m_level = level;
+}
+
+void
+LogWriter::listLogWriters(int width) {
+  // *** make this respect width...
+  LogWriter* current = log_writers;
+  fprintf(stderr, "  ");
+  while (current) {
+    fprintf(stderr, "%s", current->m_name);
+    current = current->m_next;
+    if (current) fprintf(stderr, ", ");
+  }
+  fprintf(stderr, "\n");
+}
+
+LogWriter* LogWriter::log_writers;
+
+LogWriter*
+LogWriter::getLogWriter(const char* name) {
+  LogWriter* current = log_writers;
+  while (current) {
+    if (strcasecmp(name, current->m_name) == 0) return current;
+      current = current->m_next;
+    }
+  return 0;
+}
+
+bool LogWriter::setLogParams(const char* params) {
+  CharArray logwriterName, loggerName, logLevel;
+  if (!strSplit(params, ':', &logwriterName.buf, &loggerName.buf) ||
+    !strSplit(loggerName.buf, ':', &loggerName.buf, &logLevel.buf)) {
+    fprintf(stderr,"failed to parse log params:%s\n",params);
+    return false;
+  }
+  int level = atoi(logLevel.buf);
+  Logger* logger = 0;
+  if (strcmp("", loggerName.buf) != 0) {
+    logger = Logger::getLogger(loggerName.buf);
+    if (!logger) fprintf(stderr,"no logger found! %s\n",loggerName.buf);
+  }
+  if (strcmp("*", logwriterName.buf) == 0) {
+    LogWriter* current = log_writers;
+    while (current) {
+      current->setLog(logger);
+      current->setLevel(level);
+      current = current->m_next;
+    }
+    return true;
+  } else {
+    LogWriter* logwriter = getLogWriter(logwriterName.buf);
+    if (!logwriter) {
+      fprintf(stderr,"no logwriter found! %s\n",logwriterName.buf);
+    } else {
+      logwriter->setLog(logger);
+      logwriter->setLevel(level);
+      return true;
+    }
+  }
+  return false;
+}
+
+
+LogParameter::LogParameter()
+  : StringParameter("Log",
+    "Specifies which log output should be directed to "
+    "which target logger, and the level of output to log. "
+    "Format is <log>:<target>:<level>[, ...].",
+    "") {
+}
+
+bool LogParameter::setParam(const char* v) {
+  if (immutable) return true;
+  LogWriter::setLogParams("*::0");
+  StringParameter::setParam(v);
+  CharArray logParam;
+  CharArray params(getData());
+  while (params.buf) {
+    strSplit(params.buf, ',', &logParam.buf, &params.buf);
+    if (strlen(logParam.buf) && !LogWriter::setLogParams(logParam.buf))
+      return false;
+  }
+  return true;
+}
+
+void LogParameter::setDefault(const char* d) {
+  def_value = d;
+  setParam(def_value);
+}