gpfs_acl_handler Class Reference

class for handling non-opaque gpfs acls More...

#include <gpfsFcntlHandler.h>

Public Member Functions
	gpfs_acl_handler ()
	creates struct for getAcl More...
	gpfs_acl_handler (gpfs_aclCount_t nEntries)
	creates struct for putAcl More...
gpfs_acl_t &	acl ()
size_t	size () const
const gpfs_ace_v4_t *	begin () const
const gpfs_ace_v4_t *	end () const
gpfs_ace_v4_t *	begin ()
gpfs_ace_v4_t *	end ()
void	get (int fd, const std::string &path)
void	set (int fd, const std::string &path)

Private Attributes
union {
char   justTheSpace [0x10000]
gpfs_acl_t   acl
}	buffer

Detailed Description

class for handling non-opaque gpfs acls

Definition at line 33 of file gpfsFcntlHandler.h.

Constructor & Destructor Documentation

gpfs_acl_handler() [1/2]

gpfs_acl_handler::gpfs_acl_handler

(

)

creates struct for getAcl

Definition at line 52 of file gpfsFcntlHandler.cpp.

                                   {
    buffer.acl.acl_len = sizeof(buffer);
    buffer.acl.acl_level = GPFS_ACL_LEVEL_BASE;
    buffer.acl.acl_version = 0;
    buffer.acl.acl_type = GPFS_ACL_TYPE_NFS4;
}

References buffer.

gpfs_acl_handler() [2/2]

gpfs_acl_handler::gpfs_acl_handler

(

gpfs_aclCount_t

nEntries

)

creates struct for putAcl

Definition at line 58 of file gpfsFcntlHandler.cpp.

                                                           {
    buffer.acl.acl_len = reinterpret_cast<char*>(&buffer.acl.ace_v4[nEntries])
                         - reinterpret_cast<char*>(&buffer.acl.acl_len);
    if (buffer.acl.acl_len > sizeof(buffer)) {
        throw std::runtime_error("to many entries for gpfs acl");
    }
    buffer.acl.acl_level = GPFS_ACL_LEVEL_BASE;
    buffer.acl.acl_version = GPFS_ACL_VERSION_NFS4;
    buffer.acl.acl_type = GPFS_ACL_TYPE_NFS4;
    buffer.acl.acl_nace = nEntries;
}

References buffer.

Member Function Documentation

acl()

gpfs_acl_t& gpfs_acl_handler::acl ( )

inline

Definition at line 41 of file gpfsFcntlHandler.h.

                      {
        return buffer.acl;
    }

References buffer.

begin() [1/2]

gpfs_ace_v4_t* gpfs_acl_handler::begin

(

)

begin() [2/2]

gpfs_ace_v4_t * gpfs_acl_handler::begin

(

)

const

Definition at line 70 of file gpfsFcntlHandler.cpp.

                                                   {
    if (buffer.acl.acl_version == GPFS_ACL_VERSION_NFS4) {
        return &buffer.acl.ace_v4[0];
    } else {
        return &buffer.acl.v4Level1.ace_v4[0];
    }
}

References buffer.

Referenced by outputHandler::Gpfs::writerGpfs::setAclData().

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end() [1/2]

gpfs_ace_v4_t* gpfs_acl_handler::end

(

)

end() [2/2]

gpfs_ace_v4_t * gpfs_acl_handler::end

(

)

const

Definition at line 77 of file gpfsFcntlHandler.cpp.

                                                 {
    if (buffer.acl.acl_version == GPFS_ACL_VERSION_NFS4) {
        return &buffer.acl.ace_v4[buffer.acl.acl_nace];
    } else {
        return &buffer.acl.v4Level1.ace_v4[buffer.acl.acl_nace];
    }
}

References buffer.

get()

void gpfs_acl_handler::get	(	int	fd,
		const std::string &	path
	)

Definition at line 99 of file gpfsFcntlHandler.cpp.

                                                        {
    // use LWE_DATA_LWESEND as test for the existence of gpfs_getacl_fd
#ifdef LWE_DATA_LWESEND
    if (fd != -1) {
        timerInst(gpfs_getacl_fd);
        throwcall::good0(gpfs_getacl_fd(fd,
                                        GPFS_GETACL_STRUCT,
                                        buffer.justTheSpace),
                         "can't get acl for ", path);
    } else
#endif
        {
        timerInst(gpfs_getacl);
        throwcall::good0(gpfs_getacl(path.c_str(),
                                     GPFS_GETACL_STRUCT,
                                     buffer.justTheSpace),
                         "can't get acl for ", path);
    }
    if (buffer.acl.acl_version != GPFS_ACL_VERSION_NFS4 &&
            buffer.acl.acl_version != GPFS_ACL_VERSION_NFS4F) {
        throw std::runtime_error("wrong acl version on " + path);
    }
}

References buffer, throwcall::good0(), and timerInst.

Referenced by gpfsIoCommon::getAclData(), and inputHandler::Gpfs::getAclData().

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set()

void gpfs_acl_handler::set	(	int	fd,
		const std::string &	path
	)

Definition at line 123 of file gpfsFcntlHandler.cpp.

                                                        {
#ifdef LWE_DATA_LWESEND
    if (fd != -1) {
        timerInst(gpfs_putacl_fd);
        throwcall::good0(gpfs_putacl_fd(fd,
                                        GPFS_PUTACL_STRUCT,
                                        buffer.justTheSpace),
                         "can't set acl for ", path);
    }   else
#endif
        {
        timerInst(gpfs_putacl);
        throwcall::good0(gpfs_putacl(path.c_str(),
                                     GPFS_PUTACL_STRUCT,
                                     buffer.justTheSpace),
                         "can't set acl for ", path);
    }
}

References buffer, throwcall::good0(), and timerInst.

Referenced by outputHandler::Gpfs::writerGpfs::setAclData().

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size()

size_t gpfs_acl_handler::size ( ) const

inline

Definition at line 44 of file gpfsFcntlHandler.h.

                        {
        return buffer.acl.acl_nace;
    };

References buffer.

Referenced by gpfsIoCommon::aclFromGpfs().

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Member Data Documentation

acl

gpfs_acl_t gpfs_acl_handler::acl

Definition at line 36 of file gpfsFcntlHandler.h.

buffer

union { ... } gpfs_acl_handler::buffer

Referenced by acl(), begin(), end(), get(), gpfs_acl_handler(), set(), and size().

justTheSpace

char gpfs_acl_handler::justTheSpace[0x10000]

Definition at line 35 of file gpfsFcntlHandler.h.

---

The documentation for this class was generated from the following files:

• src/gpfsFcntlHandler.h (v0.19-24-g0617ca1 with changes)
• src/gpfsFcntlHandler.cpp (v0.19-24-g0617ca1 with changes)