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Work on moving journaling into engine process.

This commit is contained in:
Jonathan Moore Liles 2008-03-27 00:58:31 -05:00
parent 6abd18c4ca
commit db29b21d2c
5 changed files with 75 additions and 125 deletions
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174
Engine/Loggable.C
View File

@ -47,8 +47,11 @@ Loggable::open ( const char *filename )
return true;
}
/** sigh. parse a string of ":name value :name value" pairs into an array of strings, one per pair */
// FIXME: doesn't handle the case of :name ":foo bar". Also, quotes should be removed here, not in client code.
/** sigh. parse a string of ":name value :name value" pairs into an
* array of strings, one per pair */
// FIXME: doesn't handle the case of :name ":foo bar", nested quotes
// or other things it should. Also, quotes should be removed here, not
// in client code.
static
char **
parse_alist( const char *s )
@ -108,68 +111,66 @@ void free_sa ( char **sa )
free( sa );
}
/* void */
/* Loggable::redo ( const char *s ) */
/* { */
/* int id; */
/* sscanf( s, "%*s %X ", &id ); */
/* Loggable *l = find( id ); */
/* // assert( l ); */
/** 'do' a message like "Region 0xF1 set :r 123" */
bool
Loggable::do_this ( const char *s, bool reverse )
{
int id;
sscanf( s, "%*s %X ", &id );
Loggable *l = find( id );
// assert( l );
/* char classname[40]; */
/* char command[40]; */
/* char *arguments; */
char classname[40];
char command[40];
char *arguments;
/* sscanf( s, "%s %*X %s %*[^\n<] << %a[^\n]", classname, command, &arguments ); */
const char *create, *destroy;
if ( reverse )
{
sscanf( s, "%s %*X %s %*[^\n<] %a[^\n]", classname, command, &arguments );
create = "destroy";
destroy = "create";
}
else
{
sscanf( s, "%s %*X %s %a[^\n<]", classname, command, &arguments );
create = "create";
destroy = "destroy";
}
/* int ui = _undo_index; */
if ( ! strcmp( command, destroy ) )
{
int id = l->id();
delete l;
_loggables[ id ] = NULL;
}
else if ( ! strcmp( command, "set" ) )
{
printf( "got set command.\n" );
char **sa = parse_alist( arguments );
/* if ( ! l ) */
/* { */
/* printf( "corrupt undo?\n" ); */
/* abort(); */
/* } */
l->log_start();
l->set( sa );
l->log_end();
}
else if ( ! strcmp( command, create ) )
{
char **sa = parse_alist( arguments );
if ( ! _class_map[ string( classname ) ] )
printf( "error class %s is unregistered!\n", classname );
else
{
/* create */
Loggable *l = _class_map[ string( classname ) ]( sa );
l->update_id( id );
l->log_create();
}
/* if ( ! strcmp( command, "destroy" ) ) */
/* { */
/* char **sa = parse_alist( arguments ); */
/* if ( ! _class_map[ string( classname ) ] ) */
/* printf( "error class %s is unregistered!\n", classname ); */
/* else */
/* { */
/* /\* create *\/ */
/* Loggable *l = _class_map[ string( classname ) ]( sa ); */
/* l->update_id( id ); */
/* } */
/* } */
/* else */
/* if ( ! strcmp( command, "set" ) ) */
/* { */
/* printf( "got set command.\n" ); */
/* char **sa = parse_alist( arguments ); */
/* l->log_start(); */
/* l->set( sa ); */
/* l->log_end(); */
/* } */
/* else */
/* if ( ! strcmp( command, "create" ) ) */
/* { */
/* int id = l->id(); */
/* delete l; */
/* _loggables[ id ] = NULL; */
/* } */
/* } */
}
}
void
Loggable::undo ( void )
@ -210,16 +211,8 @@ Loggable::undo ( void )
}
s++;
buf[ len ] = NULL;
// fsync( fileno( _fp ) );
/* pop the entry off the end */
/* fseek( _fp, 0 - i, SEEK_END ); */
/* ftruncate( fileno( _fp ), ftell( _fp ) ); */
if ( ! strlen( s ) )
{
printf( "corrupt undo file or no undo entries.\n" );
@ -268,58 +261,7 @@ Loggable::undo ( void )
printf( "undoing \"%s\"\n", s );
int id;
sscanf( s, "%*s %X ", &id );
Loggable *l = find( id );
// assert( l );
char classname[40];
char command[40];
char *arguments;
sscanf( s, "%s %*X %s %*[^\n<] << %a[^\n]", classname, command, &arguments );
/* if ( ! l ) */
/* { */
/* printf( "corrupt undo?\n" ); */
/* abort(); */
/* } */
if ( ! strcmp( command, "destroy" ) )
{
char **sa = parse_alist( arguments );
if ( ! _class_map[ string( classname ) ] )
printf( "error class %s is unregistered!\n", classname );
else
{
/* create */
Loggable *l = _class_map[ string( classname ) ]( sa );
l->update_id( id );
l->log_create();
}
}
else
if ( ! strcmp( command, "set" ) )
{
printf( "got set command.\n" );
char **sa = parse_alist( arguments );
l->log_start();
l->set( sa );
l->log_end();
}
else
if ( ! strcmp( command, "create" ) )
{
int id = l->id();
delete l;
_loggables[ id ] = NULL;
}
do_this( s, true );
s -= 2;
}

3
Engine/Loggable.H
View File

@ -156,6 +156,9 @@ public:
virtual void set ( char **sa ) = 0;
// void log ( const char *module, const char *action, const char *fmt, ... );
static bool do_this ( const char *s, bool reverse );
protected:
void log_start ( void );

3
Engine/Timeline_Server.C
View File

@ -31,7 +31,6 @@
/* Timeline Server.
The timeline server runs in its own thread and manages communication
between the engine and any connected timeline editors.
@ -71,5 +70,7 @@ Timeline_Server::handle_request ( int s, const char *buf, int l )
{
printf( "request: %s", buf );
// Loggable::do( buf );
send( s, "fuckoff\n", strlen( "fuckoff\n" ), 0 );
}

14
Engine/main.C
View File

@ -62,12 +62,16 @@ int
main ( int argc, char **argv )
{
/* Timeline_Server tls( 6110 ); */
/* tls.run(); */
if ( ! fork() )
{
Peak_Server pks( 6111 );
pks.run();
exit( 0 );
}
Timeline_Server tls( 6110 );
tls.run();
}