Beispiel #1
0
int
memcached_tuple_set(struct memcached_connection *con,
		    const char *kpos, uint32_t klen, uint64_t expire,
		    const char *vpos, uint32_t vlen, uint64_t cas,
		    uint32_t flags)
{
	(void )con;
	uint64_t time = fiber_time64();
	uint32_t len = mp_sizeof_array(6)      +
		       mp_sizeof_str  (klen)   +
		       mp_sizeof_uint (expire) +
		       mp_sizeof_uint (time)   +
		       mp_sizeof_str  (vlen)   +
		       mp_sizeof_uint (cas)    +
		       mp_sizeof_uint (flags);
	char *begin  = (char *)box_txn_alloc(len);
	if (begin == NULL) {
		memcached_error_ENOMEM(len, "tuple");
		return -1;
	}
	char *end = mp_encode_array(begin, 6);
	      end = mp_encode_str  (end, kpos, klen);
	      end = mp_encode_uint (end, expire);
	      end = mp_encode_uint (end, time);
	      end = mp_encode_str  (end, vpos, vlen);
	      end = mp_encode_uint (end, cas);
	      end = mp_encode_uint (end, flags);
	assert(end <= begin + len);
	return box_replace(con->cfg->space_id, begin, end, NULL);
}
Beispiel #2
0
ssize_t
tnt_update_splice(struct tnt_stream *ops, uint32_t fieldno,
		  uint32_t position, uint32_t offset,
		  const char *buffer, size_t buffer_len) {
	size_t buf_size = mp_sizeof_uint(position) +
		          mp_sizeof_uint(offset) +
			  mp_sizeof_str(buffer_len);
	char *buf = tnt_mem_alloc(buf_size), *data = NULL;
	if (!buf) return -1;
	data = buf;
	data = mp_encode_uint(data, position);
	data = mp_encode_uint(data, offset);
	data = mp_encode_str(data, buffer, buffer_len);
	ssize_t retval = tnt_update_op(ops, ':', fieldno, buf, buf_size);
	tnt_mem_free(buf);
	return retval;
}
Beispiel #3
0
void _mpack_item(SV *res, SV *o)
{
	size_t len, res_len, new_len;
	char *s, *res_s;
	res_s = SvPVbyte(res, res_len);
	unsigned i;

	if (!SvOK(o)) {
		new_len = res_len + mp_sizeof_nil();
		res_s = SvGROW(res, new_len);
		SvCUR_set(res, new_len);
		mp_encode_nil(res_s + res_len);
		return;
	}

	if (SvROK(o)) {
		o = SvRV(o);
		if (SvOBJECT(o)) {
			SvGETMAGIC(o);
			HV *stash = SvSTASH(o);
			GV *mtd = gv_fetchmethod_autoload(stash, "msgpack", 0);
			if (!mtd)
				croak("Object has no method 'msgpack'");
			dSP;
			ENTER;
			SAVETMPS;
			PUSHMARK(SP);
			XPUSHs (sv_bless (sv_2mortal (newRV_inc(o)), stash));
			PUTBACK;
			call_sv((SV *)GvCV(mtd), G_SCALAR);
			SPAGAIN;

			SV *pkt = POPs;

			if (!SvOK(pkt))
				croak("O->msgpack returned undef");

			s = SvPV(pkt, len);

			new_len = res_len + len;
			res_s = SvGROW(res, new_len);
			SvCUR_set(res, new_len);
			memcpy(res_s + res_len, s, len);

			PUTBACK;
			FREETMPS;
			LEAVE;

			return;
		}

		switch(SvTYPE(o)) {
			case SVt_PVAV: {
				AV *a = (AV *)o;
				len = av_len(a) + 1;
				new_len = res_len + mp_sizeof_array(len);
				res_s = SvGROW(res, new_len);
				SvCUR_set(res, new_len);
				mp_encode_array(res_s + res_len, len);

				for (i = 0; i < len; i++) {
					SV **item = av_fetch(a, i, 0);
					if (!item)
						_mpack_item(res, 0);
					else
						_mpack_item(res, *item);
				}

				break;
			}
			case SVt_PVHV: {
				HV *h = (HV *)o;
				len = hv_iterinit(h);
				new_len = res_len + mp_sizeof_map(len);
				res_s = SvGROW(res, new_len);
				SvCUR_set(res, new_len);
				mp_encode_map(res_s + res_len, len);

				for (;;) {
					HE * iter = hv_iternext(h);
					if (!iter)
						break;

					SV *k = hv_iterkeysv(iter);
					SV *v = HeVAL(iter);
					_mpack_item(res, k);
					_mpack_item(res, v);

				}

				break;
			}

			default:
				croak("Can't serialize reference");
		}
		return;
	}

	switch(SvTYPE(o)) {
		case SVt_PV:
		case SVt_PVIV:
		case SVt_PVNV:
		case SVt_PVMG:
		case SVt_REGEXP:
			if (!looks_like_number(o)) {
				s = SvPV(o, len);
				new_len = res_len + mp_sizeof_str(len);
				res_s = SvGROW(res, new_len);
				SvCUR_set(res, new_len);
				mp_encode_str(res_s + res_len, s, len);
				break;
			}

		case SVt_NV: {
			NV v = SvNV(o);
			IV iv = (IV)v;

			if (v != iv) {
				new_len = res_len + mp_sizeof_double(v);
				res_s = SvGROW(res, new_len);
				SvCUR_set(res, new_len);
				mp_encode_double(res_s + res_len, v);
				break;
			}
		}
		case SVt_IV: {
			IV v = SvIV(o);
			if (v >= 0) {
				new_len = res_len + mp_sizeof_uint(v);
				res_s = SvGROW(res, new_len);
				SvCUR_set(res, new_len);
				mp_encode_uint(res_s + res_len, v);
			} else {
				new_len = res_len + mp_sizeof_int(v);
				res_s = SvGROW(res, new_len);
				SvCUR_set(res, new_len);
				mp_encode_int(res_s + res_len, v);
			}
			break;
		}
		default:
			croak("Internal msgpack error %d", SvTYPE(o));
	}
}