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#include "opensync.h"
#include "opensync_internals.h"
int osync_marshal_get_size_changetype( OSyncChangeType changetype )
{
return sizeof( int );
}
void osync_marshal_changetype( OSyncMessage *message, OSyncChangeType changetype )
{
osync_message_write_int( message, (int)changetype );
}
void osync_demarshal_changetype( OSyncMessage *message, OSyncChangeType *changetype )
{
int change_type = 0;
osync_message_read_int( message, &change_type );
*changetype =(OSyncChangeType)change_type;
}
int osync_marshal_get_size_change( OSyncChange *change )
{
int size = 0;
if ( !change )
return size;
size += strlen( change->uid );
size += strlen( change->hash );
size += sizeof( int ); // change->size
size += change->size; // change->data
size += sizeof( int ); // change->has_data
size += strlen( change->objtype_name );
size += strlen( change->format_name );
size += strlen( change->initial_format_name );
size += osync_marshal_get_size_changetype( change->changetype );
size += sizeof( long long int ); // change->id
size += strlen( change->destobjtype );
size += strlen( change->sourceobjtype );
size += osync_marshal_get_size_member( change->sourcemember );
return size;
}
void osync_marshal_changedata(OSyncMessage *message, OSyncChange *change)
{
OSyncObjFormat *format = osync_change_get_objformat(change);
char *data;
int datasize;
int free_data = 0;
osync_message_write_int( message, change->has_data );
if (change->data && format && format->marshall_func) {
format->marshall_func(change->data, change->size, &data, &datasize, NULL);
/*FIXME: Handle errors on marshall_func */
free_data = 1;
} else {
/* If the format is a plain format, then we have to add
* one byte for \0 to the datasize. This extra byte will
* be removed by the osync_demarshal_changedata funciton.
*/
data = change->data;
datasize = change->size;
datasize++;
}
if (!data)
datasize = 0;
osync_message_write_int(message, datasize);
if (datasize > 0)
osync_message_write_data(message, data, datasize);
if (free_data)
g_free(data);
}
void osync_marshal_change( OSyncMessage *message, OSyncChange *change )
{
osync_message_write_string( message, change->uid );
osync_message_write_string( message, change->hash );
char *format_name = change->format ? change->format->name : change->format_name;
char *objtype_name = change->objtype ? change->objtype->name : change->objtype_name;
char *initial_format_name = change->initial_format ? change->initial_format->name : change->initial_format_name;
osync_message_write_string( message, objtype_name );
osync_message_write_string( message, format_name );
osync_message_write_string( message, initial_format_name );
osync_marshal_changedata(message, change);
osync_marshal_changetype( message, change->changetype );
osync_message_write_long_long_int( message, change->id );
osync_message_write_string( message, change->destobjtype );
osync_message_write_string( message, change->sourceobjtype );
osync_marshal_member( message, change->sourcemember );
}
void osync_demarshal_changedata(OSyncMessage *message, OSyncChange *change)
{
OSyncObjFormat *format = osync_change_get_objformat(change);
char *data;
int datasize;
osync_message_read_int( message, &( change->has_data ) );
osync_message_read_int(message, &datasize);
if (datasize > 0) {
data = malloc(datasize);
osync_message_read_data( message, data, datasize );
if (format && format->demarshall_func) {
char *newdata;
int newsize;
format->demarshall_func(data, datasize, &newdata, &newsize, NULL);
/*FIXME: Handle errors on demarshall_func */
free(data);
data = newdata;
datasize = newsize;
} else {
/* If the format is a plain, then we have to remove
* one from the datasize, since once one was added by
* osync_marshall_changedata() for trailing newline.
*/
datasize--;
}
} else {
data = NULL;
}
change->data = data;
change->size = datasize;
}
void osync_demarshal_change( OSyncMessage *message, OSyncFormatEnv *conv_env, OSyncChange **change )
{
OSyncChange *new_change = osync_change_new();
osync_change_set_conv_env(new_change, conv_env);
osync_message_read_string( message, &( new_change->uid ) );
osync_message_read_string( message, &( new_change->hash ) );
osync_message_read_string( message, &( new_change->objtype_name ) );
osync_message_read_string( message, &( new_change->format_name ) );
osync_message_read_string( message, &( new_change->initial_format_name ) );
osync_demarshal_changedata(message, new_change);
osync_demarshal_changetype( message, &( new_change->changetype ) );
osync_message_read_long_long_int( message, &( new_change->id ) );
osync_message_read_string( message, &( new_change->destobjtype ) );
osync_message_read_string( message, &( new_change->sourceobjtype ) );
osync_demarshal_member( message, &( new_change->sourcemember ) );
new_change->member = 0;
new_change->engine_data = 0;
new_change->mappingid = 0;
new_change->changes_db = 0;
*change = new_change;
}
int osync_marshal_get_size_member( OSyncMember *member )
{
return sizeof( int );
}
void osync_marshal_member( OSyncMessage *message, OSyncMember *member )
{
if ( member ) {
osync_message_write_int( message, member->id );
} else {
osync_message_write_int( message, -1 );
}
}
void osync_demarshal_member( OSyncMessage *message, OSyncMember **member )
{
int id;
osync_message_read_int( message, &id );
if ( id == -1 )
*member = 0;
else {
//TODO: search in pool
}
}
int osync_marshal_get_size_error( OSyncError **error )
{
int size = 0;
if ( !osync_error_is_set(error) )
return size;
size += sizeof( int );
size += strlen( (*error)->message );
return size;
}
void osync_marshal_error( OSyncMessage *message, OSyncError *error )
{
if (error) {
osync_message_write_int( message, 1 );
osync_message_write_int( message, (int)error->type );
osync_message_write_string( message, error->message );
} else {
osync_message_write_int( message, 0 );
}
}
void osync_demarshal_error( OSyncMessage *message, OSyncError **error )
{
int hasError = 0;
osync_message_read_int( message, &hasError );
if (hasError) {
char *msg;
int error_type;
osync_message_read_int( message, &error_type );
osync_message_read_string( message, &msg );
osync_error_set( error, (OSyncErrorType)error_type, msg );
} else
osync_error_free(error);
}
/*FIXME: review these get_size_*() functions
*
* - check if the data is being marhsalled as specified in the functions
* - check (proabably invalid) usage of strlen() without considering the
* string length bytes and the nul terminator
*/
int osync_marshal_get_size_message( OSyncMessage *message )
{
int size = 0;
if ( !message )
return size;
size += sizeof( int ); // message->cmd
size += sizeof( long long int ); // message->id
size += sizeof( int ); // has error
return 0;
}
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