Version 17 plus test updates and OPK v17

This is the first public release of OPK v17.
See the file CHANGELOG.md for details.

linux/src/log.cpp

@@ -0,0 +1,62 @@
+// Copyright 2013 Google Inc. All Rights Reserved.
+//
+// Log - implemented using stdout.
+
+#include "log.h"
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+namespace {
+
+FILE* const kOutputFile = stdout;
+
+}  // namespace
+
+namespace wvutil {
+
+LogPriority g_cutoff = CDM_LOG_WARN;
+
+void InitLogging() {
+  // Note: The default log level is CDM_LOG_WARN, above.  If you set the
+  // environment variable VERBOSE_LOG, you will get verbose logging.  This is
+  // set by jenkins (http://go/wvbuild), so that we have more details when the
+  // build breaks.
+  const char* verbose_env = getenv("VERBOSE_LOG");
+  if (verbose_env && !strncmp(verbose_env, "yes", 3) ) {
+    g_cutoff = CDM_LOG_VERBOSE;
+  }
+}
+
+void Log(const char* file, const char* function, int line, LogPriority level,
+         const char* fmt, ...) {
+  const char* severities[] = { "ERROR", "WARN", "INFO", "DEBUG", "VERBOSE" };
+  if (level >=
+      static_cast<LogPriority>(sizeof(severities) / sizeof(*severities))) {
+    fprintf(kOutputFile, "[FATAL:%s(%d):%s] Invalid log priority level: %d\n",
+            file, line, function, level);
+    return;
+  }
+  if (level > g_cutoff) return;
+
+  // Strip off the the leading "../" that clutters the logs.
+  const char * up_dir = "../";
+  const size_t up_dir_size = strlen(up_dir);
+  while (strncmp(up_dir, file, up_dir_size) == 0) file += up_dir_size;
+
+
+  fprintf(kOutputFile, "[%s:%s(%d):%s] ", severities[level], file, line,
+          function);
+
+  va_list ap;
+  va_start(ap, fmt);
+  vfprintf(kOutputFile, fmt, ap);
+  va_end(ap);
+
+  putc('\n', kOutputFile);
+  fflush(kOutputFile);
+}
+
+}  // namespace wvutil