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Diffstat (limited to 'src/mongo/util/ramlog.h')
-rw-r--r-- | src/mongo/util/ramlog.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/mongo/util/ramlog.h b/src/mongo/util/ramlog.h new file mode 100644 index 00000000000..d3d5c8fbb4e --- /dev/null +++ b/src/mongo/util/ramlog.h @@ -0,0 +1,65 @@ +// ramlog.h + +/* Copyright 2009 10gen Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#pragma once + +#include "log.h" + +namespace mongo { + + class RamLog : public Tee { + public: + RamLog( string name ); + + virtual void write(LogLevel ll, const string& str); + + void get( vector<const char*>& v) const; + + void toHTML(stringstream& s); + + static RamLog* get( string name ); + static void getNames( vector<string>& names ); + + time_t lastWrite() { return _lastWrite; } // 0 if no writes + + protected: + static int repeats(const vector<const char *>& v, int i); + static string clean(const vector<const char *>& v, int i, string line=""); + static string color(string line); + + /* turn http:... into an anchor */ + static string linkify(const char *s); + + private: + ~RamLog(); // want this private as we want to leak so we can use them till the very end + + enum { + N = 128, // number of links + C = 256 // max size of line + }; + char lines[N][C]; + unsigned h; // current position + unsigned n; // numer of lines stores 0 o N + string _name; + + typedef map<string,RamLog*> RM; + static mongo::mutex* _namedLock; + static RM* _named; + time_t _lastWrite; + }; + +} |