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/*
* Copyright ( C ) 2008 , 2009 Red Hat , Inc . All rights reserved .
*
* This file is part of LVM2 .
*
* This copyrighted material is made available to anyone wishing to use ,
* modify , copy , or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License v .2 .1 .
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program ; if not , write to the Free Software Foundation ,
* Inc . , 59 Temple Place , Suite 330 , Boston , MA 02111 - 1307 USA
*/
# include "lib.h"
# include "toolcontext.h"
# include "locking.h"
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# include "lvm-version.h"
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# include "metadata-exported.h"
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# include "lvm2app.h"
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const char * lvm_library_get_version ( void )
{
return LVM_VERSION ;
}
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lvm_t lvm_init ( const char * system_dir )
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{
struct cmd_context * cmd ;
/* FIXME: logging bound to handle
*/
/* create context */
/* FIXME: split create_toolcontext */
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/* FIXME: make all globals configurable */
cmd = create_toolcontext ( 0 , system_dir ) ;
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if ( ! cmd )
return NULL ;
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if ( stored_errno ( ) )
return ( lvm_t ) cmd ;
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/*
* FIXME : if an non memory error occured , return the cmd ( maybe some
* cleanup needed ) .
*/
/* initialization from lvm_run_command */
init_error_message_produced ( 0 ) ;
/* FIXME: locking_type config option needed? */
/* initialize locking */
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if ( ! init_locking ( - 1 , cmd , 0 ) ) {
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/* FIXME: use EAGAIN as error code here */
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lvm_quit ( ( lvm_t ) cmd ) ;
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return NULL ;
}
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/*
* FIXME : Use cmd - > cmd_line as audit trail for liblvm calls . Used in
* archive ( ) call . Possible example :
* cmd_line = " lvm_vg_create: vg1 \n lvm_vg_extend vg1 /dev/sda1 \n "
*/
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cmd - > cmd_line = " liblvm " ;
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return ( lvm_t ) cmd ;
}
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void lvm_quit ( lvm_t libh )
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{
destroy_toolcontext ( ( struct cmd_context * ) libh ) ;
}
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int lvm_config_reload ( lvm_t libh )
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{
/* FIXME: re-init locking needed here? */
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if ( ! refresh_toolcontext ( ( struct cmd_context * ) libh ) )
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return - 1 ;
return 0 ;
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}
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/*
* FIXME : submit a patch to document the - - config option
*/
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int lvm_config_override ( lvm_t libh , const char * config_settings )
{
struct cmd_context * cmd = ( struct cmd_context * ) libh ;
if ( override_config_tree_from_string ( cmd , config_settings ) )
return - 1 ;
return 0 ;
}
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int lvm_errno ( lvm_t libh )
{
return stored_errno ( ) ;
}
const char * lvm_errmsg ( lvm_t libh )
{
return stored_errmsg ( ) ;
}
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const char * lvm_vgname_from_pvid ( lvm_t libh , const char * pvid )
{
struct cmd_context * cmd = ( struct cmd_context * ) libh ;
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struct id id ;
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if ( ! id_read_format ( & id , pvid ) ) {
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log_error ( INTERNAL_ERROR " Unable to convert uuid " ) ;
return NULL ;
}
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return find_vgname_from_pvid ( cmd , ( char * ) id . uuid ) ;
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}
const char * lvm_vgname_from_device ( lvm_t libh , const char * device )
{
struct cmd_context * cmd = ( struct cmd_context * ) libh ;
return find_vgname_from_pvname ( cmd , device ) ;
}