1 files changed, 135 insertions, 0 deletions
diff --git a/common/core/LogWriter.cxx b/common/core/LogWriter.cxx
new file mode 100644
index 00000000..98e5201c
--- /dev/null
+++ b/common/core/LogWriter.cxx
@@ -0,0 +1,135 @@
+/* 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
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <core/Configuration.h>
+#include <core/LogWriter.h>
+#include <core/string.h>
+
+using namespace core;
+
+LogParameter core::logParams;
+
+LogWriter::LogWriter(const char* name)
+  : m_name(name), m_level(0), m_log(nullptr), 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 nullptr;
+}
+
+bool LogWriter::setLogParams(const char* params) {
+  std::vector<std::string> parts;
+  parts = split(params, ':');
+  if (parts.size() != 3) {
+    fprintf(stderr, "Failed to parse log params:%s\n",params);
+    return false;
+  }
+  int level = atoi(parts[2].c_str());
+  Logger* logger = nullptr;
+  if (!parts[1].empty()) {
+    logger = Logger::getLogger(parts[1].c_str());
+    if (!logger)
+      fprintf(stderr, "No logger found! %s\n", parts[1].c_str());
+  }
+  if (parts[0] == "*") {
+    LogWriter* current = log_writers;
+    while (current) {
+      current->setLog(logger);
+      current->setLevel(level);
+      current = current->m_next;
+    }
+    return true;
+  } else {
+    LogWriter* logwriter = getLogWriter(parts[0].c_str());
+    if (!logwriter) {
+      fprintf(stderr, "No logwriter found! %s\n", parts[0].c_str());
+    } else {
+      logwriter->setLog(logger);
+      logwriter->setLevel(level);
+      return true;
+    }
+  }
+  return false;
+}
+
+
+LogParameter::LogParameter()
+  : StringListParameter("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");
+  if (!StringListParameter::setParam(v))
+    return false;
+  for (const char* part : *this) {
+    if (part[0] == '\0')
+        continue;
+    if (!LogWriter::setLogParams(part))
+      return false;
+  }
+  return true;
+}