dom/system/gonk/OpenFileFinder.h@b8a032363ba2 (annotated)
dom/system/gonk/OpenFileFinder.h
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this file, |
| michael@0 | 3 | * You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 4 | |
| michael@0 | 5 | #ifndef mozilla_system_openfilefinder_h__ |
| michael@0 | 6 | #define mozilla_system_openfilefinder_h__ |
| michael@0 | 7 | |
| michael@0 | 8 | #include "nsString.h" |
| michael@0 | 9 | |
| michael@0 | 10 | #include <dirent.h> |
| michael@0 | 11 | |
| michael@0 | 12 | namespace mozilla { |
| michael@0 | 13 | namespace system { |
| michael@0 | 14 | |
| michael@0 | 15 | class OpenFileFinder |
| michael@0 | 16 | { |
| michael@0 | 17 | public: |
| michael@0 | 18 | enum State |
| michael@0 | 19 | { |
| michael@0 | 20 | NEXT_PID, |
| michael@0 | 21 | CHECK_FDS, |
| michael@0 | 22 | DONE |
| michael@0 | 23 | }; |
| michael@0 | 24 | class Info |
| michael@0 | 25 | { |
| michael@0 | 26 | public: |
| michael@0 | 27 | nsCString mFileName; // name of the the open file |
| michael@0 | 28 | nsCString mAppName; // App which has the file open (if it's a b2g app) |
| michael@0 | 29 | pid_t mPid; // pid of the process which has the file open |
| michael@0 | 30 | nsCString mComm; // comm associated with pid |
| michael@0 | 31 | nsCString mExe; // executable name associated with pid |
| michael@0 | 32 | bool mIsB2gOrDescendant; // this is b2g/its descendant or not |
| michael@0 | 33 | }; |
| michael@0 | 34 | |
| michael@0 | 35 | OpenFileFinder(const nsACString& aPath, bool aCheckIsB2gOrDescendant = true); |
| michael@0 | 36 | ~OpenFileFinder(); |
| michael@0 | 37 | |
| michael@0 | 38 | bool First(Info* aInfo); // Return the first open file |
| michael@0 | 39 | bool Next(Info* aInfo); // Return the next open file |
| michael@0 | 40 | void Close(); |
| michael@0 | 41 | |
| michael@0 | 42 | private: |
| michael@0 | 43 | |
| michael@0 | 44 | void FillInfo(Info *aInfo, const nsACString& aPath); |
| michael@0 | 45 | bool ReadSymLink(const nsACString& aSymLink, nsACString& aOutPath); |
| michael@0 | 46 | bool PathMatches(const nsACString& aPath) |
| michael@0 | 47 | { |
| michael@0 | 48 | return Substring(aPath, 0, mPath.Length()).Equals(mPath); |
| michael@0 | 49 | } |
| michael@0 | 50 | |
| michael@0 | 51 | State mState; // Keeps track of what we're doing. |
| michael@0 | 52 | nsCString mPath; // Only report files contained within this directory tree |
| michael@0 | 53 | DIR* mProcDir; // Used for scanning /proc |
| michael@0 | 54 | DIR* mFdDir; // Used for scanning /proc/PID/fd |
| michael@0 | 55 | int mPid; // PID currently being processed |
| michael@0 | 56 | pid_t mMyPid; // PID of parent process, we assume we're running on it. |
| michael@0 | 57 | bool mCheckIsB2gOrDescendant; // Do we care about non-b2g process? |
| michael@0 | 58 | }; |
| michael@0 | 59 | |
| michael@0 | 60 | } // system |
| michael@0 | 61 | } // mozilla |
| michael@0 | 62 | |
| michael@0 | 63 | #endif // mozilla_system_nsvolume_h__ |
