garnet: added orion2.0 for network power calculation

1 files changed, 170 insertions, 0 deletions

diff --git a/src/mem/ruby/network/orion/ConfigFile.cc b/src/mem/ruby/network/orion/ConfigFile.cc
new file mode 100644
index 000000000..33566acf4
--- /dev/null
+++ b/src/mem/ruby/network/orion/ConfigFile.cc
@@ -0,0 +1,170 @@
+/*
+ * Copyright (c) 2010 Massachusetts Institute of Technology
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * 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;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "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 COPYRIGHT
+ * OWNER OR CONTRIBUTORS 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.
+ *
+ * Authors: Chia-Hsin Owen Chen
+ */
+
+#include "mem/ruby/network/orion/ConfigFile.hh"
+
+using std::string;
+
+ConfigFile::ConfigFile( string filename, string delimiter,
+                        string comment, string sentry )
+	: myDelimiter(delimiter), myComment(comment), mySentry(sentry)
+{
+    // Construct a ConfigFile, getting keys and values from given file
+
+    std::ifstream in( filename.c_str() );
+
+    if( !in ) throw file_not_found( filename ); 
+
+    in >> (*this);
+}
+
+
+ConfigFile::ConfigFile()
+    : myDelimiter( string(1,'=') ), myComment( string(1,'#') )
+{
+    // Construct a ConfigFile without a file; empty
+}
+
+
+void ConfigFile::remove( const string& key )
+{
+    // Remove key and its value
+    myContents.erase( myContents.find( key ) );
+    return;
+}
+
+
+bool ConfigFile::keyExists( const string& key ) const
+{
+    // Indicate whether key is found
+    mapci p = myContents.find( key );
+    return ( p != myContents.end() );
+}
+
+
+/* static */
+void ConfigFile::trim( string& s )
+{
+    // Remove leading and trailing whitespace
+    static const char whitespace[] = " \n\t\v\r\f";
+    s.erase( 0, s.find_first_not_of(whitespace) );
+    s.erase( s.find_last_not_of(whitespace) + 1U );
+}
+
+
+std::ostream& operator<<( std::ostream& os, const ConfigFile& cf )
+{
+    // Save a ConfigFile to os
+    for( ConfigFile::mapci p = cf.myContents.begin();
+            p != cf.myContents.end();
+            ++p )
+    {
+        os << p->first << " " << cf.myDelimiter << " ";
+        os << p->second << std::endl;
+    }
+    return os;
+}
+
+
+std::istream& operator>>( std::istream& is, ConfigFile& cf )
+{
+    // Load a ConfigFile from is
+    // Read in keys and values, keeping internal whitespace
+    typedef string::size_type pos;
+    const string& delim  = cf.myDelimiter;  // separator
+    const string& comm   = cf.myComment;    // comment
+    const string& sentry = cf.mySentry;     // end of file sentry
+    const pos skip = delim.length();        // length of separator
+
+    string nextline = "";  // might need to read ahead to see where value ends
+
+    while( is || nextline.length() > 0 )
+    {
+        // Read an entire line at a time
+        string line;
+        if( nextline.length() > 0 )
+        {
+            line = nextline;  // we read ahead; use it now
+            nextline = "";
+        }
+        else
+        {
+            std::getline( is, line );
+        }
+
+        // Ignore comments
+        line = line.substr( 0, line.find(comm) );
+
+        // Check for end of file sentry
+        if( sentry != "" && line.find(sentry) != string::npos ) return is;
+
+        // Parse the line if it contains a delimiter
+        pos delimPos = line.find( delim );
+        if( delimPos < string::npos )
+        {
+            // Extract the key
+            string key = line.substr( 0, delimPos );
+            line.replace( 0, delimPos+skip, "" );
+
+            // See if value continues on the next line
+            // Stop at blank line, next line with a key, end of stream,
+            // or end of file sentry
+            bool terminate = false;
+            while( !terminate && is )
+            {
+                std::getline( is, nextline );
+                terminate = true;
+
+                string nlcopy = nextline;
+                ConfigFile::trim(nlcopy);
+                if( nlcopy == "" ) continue;
+
+                nextline = nextline.substr( 0, nextline.find(comm) );
+                if( nextline.find(delim) != string::npos )
+                    continue;
+                if( sentry != "" && nextline.find(sentry) != string::npos )
+                    continue;
+
+                nlcopy = nextline;
+                ConfigFile::trim(nlcopy);
+                if( nlcopy != "" ) line += "\n";
+                line += nextline;
+                terminate = false;
+            }
+
+            // Store key and value
+            ConfigFile::trim(key);
+            ConfigFile::trim(line);
+            cf.myContents[key] = line;  // overwrites if key is repeated
+        }
+    }
+
+    return is;
+}