char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE];
unsigned int server_key;
- unlikely (key_length == 0)
- return MEMCACHED_NO_KEY_PROVIDED;
-
unlikely (ptr->hosts == NULL || ptr->number_of_hosts == 0)
return MEMCACHED_NO_SERVERS;
return rc;
}
+static memcached_return binary_incr_decr(memcached_st *ptr, uint8_t cmd,
+ const char *key, size_t key_length,
+ uint32_t offset, uint64_t *value)
+{
+ unsigned int server_key;
+
+ unlikely (ptr->hosts == NULL || ptr->number_of_hosts == 0)
+ return MEMCACHED_NO_SERVERS;
+
+ server_key= memcached_generate_hash(ptr, key, key_length);
+
+ protocol_binary_request_incr request= {.bytes= {0}};
+
+ request.message.header.request.magic= PROTOCOL_BINARY_REQ;
+ request.message.header.request.opcode= cmd;
+ request.message.header.request.keylen= htons((uint16_t)key_length);
+ request.message.header.request.extlen= 20;
+ request.message.header.request.datatype= PROTOCOL_BINARY_RAW_BYTES;
+ request.message.header.request.bodylen= htonl(key_length + request.message.header.request.extlen);
+ request.message.body.delta= htonll(offset);
+
+ /* TODO: The binary protocol allows you to specify initial and expiry time */
+ if ((memcached_do(&ptr->hosts[server_key], request.bytes,
+ sizeof(request.bytes), 0)!=MEMCACHED_SUCCESS) ||
+ (memcached_io_write(&ptr->hosts[server_key], key, key_length, 1) == -1))
+ {
+ memcached_io_reset(&ptr->hosts[server_key]);
+ return MEMCACHED_WRITE_FAILURE;
+ }
+
+ return memcached_response(&ptr->hosts[server_key], (char*)value, sizeof(*value), NULL);
+}
+
memcached_return memcached_increment(memcached_st *ptr,
const char *key, size_t key_length,
uint32_t offset,
uint64_t *value)
{
- memcached_return rc;
+ memcached_return rc= memcached_validate_key_length(key_length, ptr->flags & MEM_BINARY_PROTOCOL);
+ unlikely (rc != MEMCACHED_SUCCESS)
+ return rc;
LIBMEMCACHED_MEMCACHED_INCREMENT_START();
- rc= memcached_auto(ptr, "incr", key, key_length, offset, value);
+ if (ptr->flags & MEM_BINARY_PROTOCOL)
+ rc= binary_incr_decr(ptr, PROTOCOL_BINARY_CMD_INCREMENT, key,
+ key_length, offset, value);
+ else
+ rc= memcached_auto(ptr, "incr", key, key_length, offset, value);
+
LIBMEMCACHED_MEMCACHED_INCREMENT_END();
return rc;
uint32_t offset,
uint64_t *value)
{
- memcached_return rc;
+ memcached_return rc= memcached_validate_key_length(key_length, ptr->flags & MEM_BINARY_PROTOCOL);
+ unlikely (rc != MEMCACHED_SUCCESS)
+ return rc;
LIBMEMCACHED_MEMCACHED_DECREMENT_START();
- rc= memcached_auto(ptr, "decr", key, key_length, offset, value);
+ if (ptr->flags & MEM_BINARY_PROTOCOL)
+ rc= binary_incr_decr(ptr, PROTOCOL_BINARY_CMD_DECREMENT, key,
+ key_length, offset, value);
+ else
+ rc= memcached_auto(ptr, "decr", key, key_length, offset, value);
+
LIBMEMCACHED_MEMCACHED_DECREMENT_END();
return rc;