Adds trunk/talk folder of revision 359 from libjingles google code to
trunk/talk
git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/talk/base/linux.h b/talk/base/linux.h
new file mode 100644
index 0000000..63e3021
--- /dev/null
+++ b/talk/base/linux.h
@@ -0,0 +1,135 @@
+/*
+ * libjingle
+ * Copyright 2008, Google Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef TALK_BASE_LINUX_H_
+#define TALK_BASE_LINUX_H_
+
+#if defined(LINUX) || defined(ANDROID)
+#include <string>
+#include <map>
+#include <vector>
+
+#include "talk/base/scoped_ptr.h"
+#include "talk/base/stream.h"
+
+namespace talk_base {
+
+//////////////////////////////////////////////////////////////////////////////
+// ConfigParser parses a FileStream of an ".ini."-type format into a map.
+//////////////////////////////////////////////////////////////////////////////
+
+// Sample Usage:
+// ConfigParser parser;
+// ConfigParser::MapVector key_val_pairs;
+// if (parser.Open(inifile) && parser.Parse(&key_val_pairs)) {
+// for (int section_num=0; i < key_val_pairs.size(); ++section_num) {
+// std::string val1 = key_val_pairs[section_num][key1];
+// std::string val2 = key_val_pairs[section_num][key2];
+// // Do something with valn;
+// }
+// }
+
+class ConfigParser {
+ public:
+ typedef std::map<std::string, std::string> SimpleMap;
+ typedef std::vector<SimpleMap> MapVector;
+
+ ConfigParser();
+ virtual ~ConfigParser();
+
+ virtual bool Open(const std::string& filename);
+ virtual void Attach(StreamInterface* stream);
+ virtual bool Parse(MapVector* key_val_pairs);
+ virtual bool ParseSection(SimpleMap* key_val_pair);
+ virtual bool ParseLine(std::string* key, std::string* value);
+
+ private:
+ scoped_ptr<StreamInterface> instream_;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+// ProcCpuInfo reads CPU info from the /proc subsystem on any *NIX platform.
+//////////////////////////////////////////////////////////////////////////////
+
+// Sample Usage:
+// ProcCpuInfo proc_info;
+// int no_of_cpu;
+// if (proc_info.LoadFromSystem()) {
+// std::string out_str;
+// proc_info.GetNumCpus(&no_of_cpu);
+// proc_info.GetCpuStringValue(0, "vendor_id", &out_str);
+// }
+// }
+
+class ProcCpuInfo {
+ public:
+ ProcCpuInfo();
+ virtual ~ProcCpuInfo();
+
+ // Reads the proc subsystem's cpu info into memory. If this fails, this
+ // returns false; if it succeeds, it returns true.
+ virtual bool LoadFromSystem();
+
+ // Obtains the number of logical CPU threads and places the value num.
+ virtual bool GetNumCpus(int* num);
+
+ // Obtains the number of physical CPU cores and places the value num.
+ virtual bool GetNumPhysicalCpus(int* num);
+
+ // Obtains the CPU family id.
+ virtual bool GetCpuFamily(int* id);
+
+ // Obtains the number of sections in /proc/cpuinfo, which may be greater
+ // than the number of CPUs (e.g. on ARM)
+ virtual bool GetSectionCount(size_t* count);
+
+ // Looks for the CPU proc item with the given name for the given section
+ // number and places the string value in result.
+ virtual bool GetSectionStringValue(size_t section_num, const std::string& key,
+ std::string* result);
+
+ // Looks for the CPU proc item with the given name for the given section
+ // number and places the int value in result.
+ virtual bool GetSectionIntValue(size_t section_num, const std::string& key,
+ int* result);
+
+ private:
+ ConfigParser::MapVector sections_;
+};
+
+// Returns the output of "uname".
+std::string ReadLinuxUname();
+
+// Returns the content (int) of
+// /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
+// Returns -1 on error.
+int ReadCpuMaxFreq();
+
+} // namespace talk_base
+
+#endif // defined(LINUX) || defined(ANDROID)
+#endif // TALK_BASE_LINUX_H_