# Copyright (c) 2001, Stanford University
# All rights reserved.
#
# See the file LICENSE.txt for information on redistributing this software.

from __future__ import print_function
import sys

import apiutil


apiutil.CopyrightC()

print("""
/* DO NOT EDIT - THIS FILE AUTOMATICALLY GENERATED BY server_retval.py SCRIPT */
#include "chromium.h"
#include "cr_mem.h"
#include "cr_net.h"
#include "server_dispatch.h"
#include "server.h"

void crServerReturnValue( const void *payload, unsigned int payload_len )
{
    if (!cr_server.fProcessingPendedCommands)
    { 
        CRMessageReadback *rb;
        int msg_len;

        /* Don't reply to client if we're loading VM snapshot*/
        if (cr_server.bIsInLoadingState)
            return;

        if (cr_server.curClient->conn->type == CR_FILE)
        {
            return;
        }

        if (payload_len >= INT32_MAX - sizeof( *rb ))
        {
            return;
        }

        msg_len = sizeof( *rb ) + payload_len;
        rb = (CRMessageReadback *) crAlloc( msg_len );

        rb->header.type = CR_MESSAGE_READBACK;
        CRDBGPTR_PRINTRB(cr_server.curClient->conn->u32ClientID, &cr_server.writeback_ptr);
        CRDBGPTR_CHECKNZ(&cr_server.writeback_ptr);
        CRDBGPTR_CHECKNZ(&cr_server.return_ptr);
        crMemcpy( &(rb->writeback_ptr), &(cr_server.writeback_ptr), sizeof( rb->writeback_ptr ) );
        crMemcpy( &(rb->readback_ptr), &(cr_server.return_ptr), sizeof( rb->readback_ptr ) );
        crMemcpy( rb+1, payload, payload_len );
        crNetSend( cr_server.curClient->conn, NULL, rb, msg_len );
        CRDBGPTR_SETZ(&cr_server.writeback_ptr);
        CRDBGPTR_SETZ(&cr_server.return_ptr);
        crFree( rb );
        return;
    }
#ifdef DEBUG_misha
    WARN(("Pending command returns value"));
#endif
    CRDBGPTR_SETZ(&cr_server.writeback_ptr);
    CRDBGPTR_SETZ(&cr_server.return_ptr);
}
""")

keys = apiutil.GetDispatchedFunctions(sys.argv[1]+"/APIspec.txt")

for func_name in keys:
    params = apiutil.Parameters(func_name)
    return_type = apiutil.ReturnType(func_name)
    if apiutil.FindSpecial( "server", func_name ):
        continue
    if "VBox" == apiutil.Category(func_name):
        continue
    if return_type != 'void':
        print('%s SERVER_DISPATCH_APIENTRY crServerDispatch%s(%s)' % ( return_type, func_name, apiutil.MakeDeclarationString(params)))
        print('{')
        print('\t%s retval;' % return_type)
        print('\tretval = cr_server.head_spu->dispatch_table.%s(%s);' % (func_name, apiutil.MakeCallString(params) ))
        print('\tcrServerReturnValue( &retval, sizeof(retval) );')
        print('\treturn retval; /* WILL PROBABLY BE IGNORED */')
        print('}')