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#include "interface.h"
#include "packer.h"
/* message packing */
static PACKER msg_packer;
static MSG_INFO pack_info;
void msg_pack_int(int i) { packer_add_int(&msg_packer, i); }
void msg_pack_string(const char *p, int limit) { packer_add_string(&msg_packer, p, limit); }
void msg_pack_raw(const void *data, int size) { packer_add_raw(&msg_packer, (const unsigned char *)data, size); }
void msg_pack_start_system(int msg, int flags)
{
packer_reset(&msg_packer);
pack_info.msg = (msg<<1)|1;
pack_info.flags = flags;
msg_pack_int(pack_info.msg);
}
void msg_pack_start(int msg, int flags)
{
packer_reset(&msg_packer);
pack_info.msg = msg<<1;
pack_info.flags = flags;
msg_pack_int(pack_info.msg);
}
void msg_pack_end()
{
pack_info.size = packer_size(&msg_packer);
pack_info.data = packer_data(&msg_packer);
}
const MSG_INFO *msg_get_info()
{
return &pack_info;
}
/* message unpacking */
static UNPACKER msg_unpacker;
int msg_unpack_start(const void *data, int data_size, int *system)
{
int msg;
unpacker_reset(&msg_unpacker, (const unsigned char *)data, data_size);
msg = msg_unpack_int();
*system = msg&1;
return msg>>1;
}
int msg_unpack_int() { return unpacker_get_int(&msg_unpacker); }
const char *msg_unpack_string() { return unpacker_get_string(&msg_unpacker); }
const unsigned char *msg_unpack_raw(int size) { return unpacker_get_raw(&msg_unpacker, size); }
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