1 // Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #include <e32std.h>

    17 #include <e32base.h>

    18 #include <f32file.h>

    19 #include <es_sock.h>

    20 #include "ENVIRON.H"

    21 #include <stdlib.h>

    22 #include <c32comm.h>

    23 

    24 

    25 class MSystemInterface

    26 /**

    27 @internalComponent

    28 */

    29 	{

    30 public:

    31 	virtual MSystemInterface& Clone()=0;

    32 	virtual void Release()=0;

    33 	virtual void TerminateProcess(int status)=0;

    34 

    35 	virtual int dup (int fid, int& anErrno)=0;

    36 	virtual int dup2 (int fid, int fid2, int& anErrno)=0;

    37 	virtual int open (const wchar_t* name, int mode, int perms, int& anErrno)=0;

    38 	virtual int read (int fid, char* buf, unsigned long len, int& anErrno)=0;

    39 	virtual int write (int fid, const char* buf, unsigned long len, int& anErrno)=0;

    40 	virtual int fsync (int fid, int& anErrno)=0;

    41 	virtual int close (int fid, int& anErrno)=0;

    42 	virtual int lseek (int fid, int offset, int whence, int& anErrno)=0;

    43 	virtual int fstat (int fid, struct stat* st, int& anErrno)=0;

    44 	virtual int ioctl (int fid, int cmd, void* param, int& anErrno)=0;

    45 	virtual int ioctl (int fid, int cmd, void* param, TRequestStatus& aStatus, int& anErrno)=0;

    46 	virtual int ioctl_complete (int fid, int cmd, void* param, TRequestStatus& aStatus, int& anErrno)=0;

    47 	virtual int ioctl_cancel (int fid, int& anErrno)=0;

    48 

    49 	virtual wchar_t * getcwd (wchar_t * buf, unsigned long len, int& anErrno)=0;

    50 	virtual int chdir (const wchar_t* path, int& anErrno)=0;

    51 	virtual int mkdir (const wchar_t* path, int perms, int& anErrno)=0;

    52 	virtual int rmdir (const wchar_t* path, int& anErrno)=0;

    53 	virtual int chmod (const wchar_t* path, int perms, int& anErrno)=0;

    54 	virtual int unlink (const wchar_t* path, int& anErrno)=0;

    55 	virtual int stat (const wchar_t* name, struct stat* st, int& anErrno)=0;

    56 	virtual int rename (const wchar_t* oldname, const wchar_t* newname, int& anErrno)=0;

    57 

    58 	virtual TInt ResolvePath (TParse& aResult, const wchar_t* path, TDes* aFilename)=0;

    59 

    60 	virtual int socket (int family, int style, int protocol, int& anErrno)=0;

    61 	virtual int recvfrom (int fd, char* buf, unsigned long cnt, int flags, struct sockaddr* from, unsigned long* fromsize, int& anErrno)=0;

    62 	virtual int sendto (int fd, const char* buf, unsigned long cnt, int flags, struct sockaddr* to, unsigned long tosize, int& anErrno)=0;

    63 	virtual int shutdown (int fd, int how, int& anErrno)=0;

    64 	virtual int listen (int fd, int n, int& anErrno)=0;

    65 	virtual int accept (int fd, int& anErrno)=0;

    66 	virtual int bind (int fd, struct sockaddr* addr, unsigned long size, int& anErrno)=0;

    67 	virtual int connect (int fd, struct sockaddr* addr, unsigned long size, int& anErrno)=0;

    68 	virtual int sockname (int fd, struct sockaddr* addr, unsigned long* size, int anEnd, int& anErrno)=0;

    69 	virtual int getsockopt (int fd, int level, int opt, void* buf, unsigned long* len, int& anErrno)=0;

    70 	virtual int setsockopt (int fd, int level, int opt, void* buf, unsigned long len, int& anErrno)=0;

    71 

    72 	virtual wchar_t* getenv (const wchar_t* name)=0; 

    73 	virtual void unsetenv (const wchar_t* name)=0;

    74 	virtual int setenv (const wchar_t* name, const wchar_t* value, int rewrite, int& anErrno)=0;

    75 

    76 	virtual int popen3 (const wchar_t *file, const wchar_t *cmd, const wchar_t *mode, wchar_t** envp, int fids[3], int& anErrno)=0;

    77 	virtual int waitpid (int pid, int* status, int options, int& anErrno)=0;

    78 	};

    79 

    80 class CFileDescBase;

    81 class CFileTable

    82 /**

    83 @internalComponent

    84 */

    85 	{

    86 public:

    87 	CFileTable();

    88 	~CFileTable();

    89 

    90 	void InitL();

    91 	void Close();

    92 	void Default(CFileDescBase* aConsole);

    93 	TInt Reserve();

    94 	TInt Attach(TInt aFid, CFileDescBase* aFile);

    95 	TInt Detach(TInt aFid, CFileDescBase*& aDetached);

    96 	TInt At(TInt aFid, CFileDescBase*& aFound) const;

    97 	TInt Reserve(TInt aFids[3]);

    98 	TInt Detach(TInt aFids[3]);

    99 

   100 	int dup (int fid, int& anErrno);

   101 	int dup2 (int fid, int fid2, int& anErrno);

   102 //	int open (const wchar_t* name, int mode, int perms, int& anErrno, RFs& aFs);

   103 	int open (const wchar_t* name, int mode, int perms, int& anErrno, RSessionBase& aFs);

   104 	int close (int fid, int& anErrno);

   105 	

   106 	int userclose (int fid, int& anErrno);

   107 

   108 	int lseek (int fid, int offset, int whence, int& anErrno);

   109 	int fstat (int fid, struct stat* st, int& anErrno);

   110 	int socket (int family, int style, int protocol, int& anErrno, RSocketServ& aSs);

   111 	int listen (int fd, int n, int& anErrno);

   112 	int bind (int fd, TSockAddr& address, int& anErrno);

   113 	int sockname (int fd, TSockAddr& address, int anEnd, int& anErrno);

   114 	int getsockopt (int fd, int level, int opt, void* buf, unsigned long* len, int& anErrno);

   115 	int setsockopt (int fd, int level, int opt, void* buf, unsigned long len, int& anErrno);

   116 	int ioctlcomplete (int fid, int cmd, void* param, TRequestStatus& aStatus, int& anErrno);

   117 	int ioctlcancel (int fid, int& anErrno);

   118 

   119 	TInt Asynch (int fid, CFileDescBase*& aFile);

   120 	

   121 private:

   122 	CArrayPtrSeg<CFileDescBase> iFids;

   123 	TInt Dup(TInt& aFid);

   124 	TInt Dup2(TInt aFid, TInt aFid2);

   125 	void Release(TInt aFid);

   126 	};

   127 

   128 class PosixFilesystem

   129 /**

   130 @internalComponent

   131 */

   132 	{

   133 public:

   134 	static wchar_t* getcwd (RFs& aFs, wchar_t* buf, unsigned long len, int& anErrno);

   135 	static int chdir (RFs& aFs, const wchar_t* path, int& anErrno);

   136 	static int mkdir (RFs& aFs, const wchar_t* path, int perms, int& anErrno);

   137 	static int rmdir (RFs& aFs, const wchar_t* path, int& anErrno);

   138 	static int chmod (RFs& aFs, const wchar_t* path, int perms, int& anErrno);

   139 	static int unlink (RFs& aFs, const wchar_t* path, int& anErrno);

   140 	static int stat (RFs& aFs, const wchar_t* name, struct stat* st, int& anErrno);

   141 	static int rename (RFs& aFs, const wchar_t* oldname, const wchar_t* newname, int& anErrno);

   142 	static TInt ResolvePath (RFs& aFs, TParse& aResult, const wchar_t* path, TDes* aFilename);

   143 	static TInt SetDefaultDir (RFs& aFs);

   144 	};

   145 

   146 NONSHARABLE_CLASS(CLocalSystemInterface) : public CBase, public MSystemInterface

   147 /**

   148 To make CleanupStack::PushL() and CleanupStack::Pop() work properly in the 2-phase constructor, 

   149 derivation order must be: public CBase, public MSystemInterface.

   150 

   151 @internalComponent

   152 */

   153 	{

   154 public:

   155 	static CLocalSystemInterface* NewL();	

   156 	~CLocalSystemInterface();

   157 

   158 	virtual MSystemInterface& Clone();

   159 	virtual void Release();

   160 	virtual void TerminateProcess(int status);

   161 

   162 	virtual int dup (int fid, int& anErrno);

   163 	virtual int dup2 (int fid, int fid2, int& anErrno);

   164 	virtual int open (const wchar_t* name, int mode, int perms, int& anErrno);

   165 	virtual int read (int fid, char* buf, unsigned long len, int& anErrno);

   166 	virtual int write (int fid, const char* buf, unsigned long len, int& anErrno);

   167 	virtual int fsync (int fid, int& anErrno);

   168 	virtual int close (int fid, int& anErrno);

   169 	virtual int lseek (int fid, int offset, int whence, int& anErrno);

   170 	virtual int fstat (int fid, struct stat* st, int& anErrno);

   171 	virtual int ioctl (int fid, int cmd, void* param, int& anErrno);

   172 	virtual int ioctl (int fid, int cmd, void* param, TRequestStatus& aStatus, int& anErrno);

   173 	virtual int ioctl_complete (int fid, int cmd, void* param, TRequestStatus& aStatus, int& anErrno);

   174 	virtual int ioctl_cancel (int fid, int& anErrno);

   175 

   176 	virtual wchar_t* getcwd (wchar_t* buf, unsigned long len, int& anErrno);

   177 

   178 

   179 	virtual int chdir (const wchar_t* path, int& anErrno);

   180 	virtual int mkdir (const wchar_t* path, int perms, int& anErrno);

   181 	virtual int rmdir (const wchar_t* path, int& anErrno);

   182 	virtual int chmod (const wchar_t* path, int perms, int& anErrno);

   183 	virtual int unlink (const wchar_t* path, int& anErrno);

   184 	virtual int stat (const wchar_t* name, struct stat* st, int& anErrno);

   185 	virtual int rename (const wchar_t* oldname, const wchar_t* newname, int& anErrno);

   186 

   187 	virtual TInt ResolvePath (TParse& aResult, const wchar_t* path, TDes* aFilename);

   188 

   189 	virtual int socket (int family, int style, int protocol, int& anErrno);

   190 	virtual int recvfrom (int fd, char* buf, unsigned long cnt, int flags, struct sockaddr* from, unsigned long* fromsize, int& anErrno);

   191 	virtual int sendto (int fd, const char* buf, unsigned long cnt, int flags, struct sockaddr* to, unsigned long tosize, int& anErrno);

   192 	virtual int shutdown (int fd, int how, int& anErrno);

   193 	virtual int listen (int fd, int n, int& anErrno);

   194 	virtual int accept (int fd, int& anErrno);

   195 	virtual int bind (int fd, struct sockaddr* addr, unsigned long size, int& anErrno);

   196 	virtual int connect (int fd, struct sockaddr* addr, unsigned long size, int& anErrno);

   197 	virtual int sockname (int fd, struct sockaddr* addr, unsigned long* size, int anEnd, int& anErrno);

   198 	virtual int getsockopt (int fd, int level, int opt, void* buf, unsigned long* len, int& anErrno);

   199 	virtual int setsockopt (int fd, int level, int opt, void* buf, unsigned long len, int& anErrno);

   200 

   201 	virtual wchar_t* getenv (const wchar_t* name); 

   202 	virtual void unsetenv (const wchar_t* name);

   203 	virtual int setenv (const wchar_t* name, const wchar_t* value, int rewrite, int& anErrno);

   204 

   205 	virtual int popen3 (const wchar_t *file, const wchar_t *cmd, const wchar_t *mode, wchar_t** envp, int fids[3], int& anErrno);

   206 	virtual int waitpid (int pid, int* status, int options, int& anErrno);

   207 	

   208 private: 

   209 	CLocalSystemInterface();	

   210 	void ConstructL();		

   211 	

   212 private:

   213 	TInt iUseCount;

   214 	CFileTable iFids;

   215 	RFs iFs;

   216 	RSocketServ iSs;

   217 

   218 	RCommServ	iCs;

   219 	

   220 	CEnvironment iEnv;

   221 	};

   222 

   223 #include <sys/reent.h>

   224 /**

   225 @internalComponent

   226 */

   227 inline MSystemInterface& Interface(struct _reent* r)

   228 	{ return (*REINTERPRET_CAST(MSystemInterface*,r->_system)); }