* @param cas The CAS value to insert into the response (should be 0
* if you don't care)
*/
-typedef protocol_binary_response_status
+typedef protocol_binary_response_status
(*memcached_binary_protocol_get_response_handler)(const void *cookie,
const void *key,
uint16_t keylen,
uint64_t cas);
/**
* Callback to send data back from a STAT command
- *
+ *
* @param cookie Just pass along the cookie supplied in the callback
* @param key What to insert as key in the reply
* @param keylen The length of the key
* @param body What to store in the body of the package
* @param bodylen The number of bytes of the body
*/
-typedef protocol_binary_response_status
+typedef protocol_binary_response_status
(*memcached_binary_protocol_stat_response_handler)(const void *cookie,
const void *key,
uint16_t keylen,
uint32_t bodylen);
/**
* Callback to send data back from a VERSION command
- *
+ *
* @param cookie Just pass along the cookie supplied in the callback
* @param text The version string
* @param length The number of bytes in the version string
*/
-typedef protocol_binary_response_status
+typedef protocol_binary_response_status
(*memcached_binary_protocol_version_response_handler)(const void *cookie,
const void *text,
uint32_t length);
/**
* In the low level interface you need to format the response
- * packet yourself (giving you complete freedom :-)
+ * packet yourself (giving you complete freedom :-)
*
* @param cookie Just pass along the cookie supplied in the callback
* @param request Pointer to the request packet you are sending a reply to
/**
* In the low lever interface you have to do most of the work by
* yourself, but it also gives you a lot of freedom :-)
- * @param cookie identification for this connection, just pass it along to
+ * @param cookie identification for this connection, just pass it along to
* the response handler
* @param header the command received over the wire. Never try to access
* <u>anything</u> outside the command.
/**
* The raw interface to the packets is implemented in version 0. It contains
- * just an array with command handlers. The inxed in the array is the
+ * just an array with command handlers. The inxed in the array is the
* com code.
*/
-struct memcached_binary_protocol_callback_v0_st {
+typedef struct {
memcached_binary_protocol_command_handler comcode[256];
-};
+} memcached_binary_protocol_callback_v0_st;
+
/**
* The first version of the callback struct containing all of the
* documented commands in the initial release of the binary protocol
* (aka. memcached 1.4.0).
- *
+ *
* You might miss the Q commands (addq etc) but the response function
* knows how to deal with them so you don't need to worry about that :-)
*/
-struct memcached_binary_protocol_callback_v1_st {
+typedef struct {
/**
* Add an item to the cache
* @param cookie id of the client receiving the command
* @param exptime the expiry time for the key-value pair
* @param cas the resulting cas for the add operation (if success)
*/
- protocol_binary_response_status (*add)(const void *cookie,
- const void *key,
+ protocol_binary_response_status (*add)(const void *cookie,
+ const void *key,
uint16_t keylen,
- const void* val,
- uint32_t vallen,
- uint32_t flags,
- uint32_t exptime,
+ const void* val,
+ uint32_t vallen,
+ uint32_t flags,
+ uint32_t exptime,
uint64_t *cas);
/**
* @param vallen the length of the data
* @param cas the CAS in the request
* @param result_cas the resulting cas for the append operation
- *
+ *
*/
- protocol_binary_response_status (*append)(const void *cookie,
- const void *key,
- uint16_t keylen,
- const void* val,
- uint32_t vallen,
+ protocol_binary_response_status (*append)(const void *cookie,
+ const void *key,
+ uint16_t keylen,
+ const void* val,
+ uint32_t vallen,
uint64_t cas,
uint64_t *result_cas);
* @param cas the CAS in the request
* @param result the result from the decrement
* @param result_cas the cas of the item
- *
+ *
*/
- protocol_binary_response_status (*decrement)(const void *cookie,
- const void *key,
- uint16_t keylen,
- uint64_t delta,
- uint64_t initial,
+ protocol_binary_response_status (*decrement)(const void *cookie,
+ const void *key,
+ uint16_t keylen,
+ uint64_t delta,
+ uint64_t initial,
uint32_t expiration,
uint64_t *result,
uint64_t *result_cas);
* @param len the length of the key
* @param cas the CAS in the request
*/
- protocol_binary_response_status (*delete)(const void *cookie,
- const void *key,
- uint16_t keylen,
+ protocol_binary_response_status (*delete)(const void *cookie,
+ const void *key,
+ uint16_t keylen,
uint64_t cas);
* @param cookie id of the client receiving the command
* @param when when the cache should be flushed (0 == immediately)
*/
- protocol_binary_response_status (*flush)(const void *cookie,
+ protocol_binary_response_status (*flush)(const void *cookie,
uint32_t when);
* @param len the length of the key
* @param response_handler to send the result back to the client
*/
- protocol_binary_response_status (*get)(const void *cookie,
- const void *key,
- uint16_t keylen,
+ protocol_binary_response_status (*get)(const void *cookie,
+ const void *key,
+ uint16_t keylen,
memcached_binary_protocol_get_response_handler response_handler);
/**
* @param cas the CAS in the request
* @param result the result from the decrement
* @param result_cas the cas of the item
- *
+ *
*/
- protocol_binary_response_status (*increment)(const void *cookie,
- const void *key,
- uint16_t keylen,
- uint64_t delta,
- uint64_t initial,
- uint32_t expiration,
+ protocol_binary_response_status (*increment)(const void *cookie,
+ const void *key,
+ uint16_t keylen,
+ uint64_t delta,
+ uint64_t initial,
+ uint32_t expiration,
uint64_t *result,
uint64_t *result_cas);
/**
* The noop command was received. This is just a notification callback (the
* response is automatically created).
- *
+ *
* @param cookie id of the client receiving the command
*/
protocol_binary_response_status (*noop)(const void *cookie);
* @param vallen the length of the data
* @param cas the CAS in the request
* @param result-cas the cas id of the item
- *
+ *
*/
- protocol_binary_response_status (*prepend)(const void *cookie,
- const void *key,
- uint16_t keylen,
- const void* val,
- uint32_t vallen,
+ protocol_binary_response_status (*prepend)(const void *cookie,
+ const void *key,
+ uint16_t keylen,
+ const void* val,
+ uint32_t vallen,
uint64_t cas,
uint64_t *result_cas);
/**
* The quit command was received. This is just a notification callback (the
* response is automatically created).
- *
+ *
* @param cookie id of the client receiving the command
*/
protocol_binary_response_status (*quit)(const void *cookie);
* @param cas the cas id in the request
* @param result_cas the cas id of the item
*/
- protocol_binary_response_status (*replace)(const void *cookie,
- const void *key,
+ protocol_binary_response_status (*replace)(const void *cookie,
+ const void *key,
uint16_t keylen,
- const void* val,
- uint32_t vallen,
- uint32_t flags,
- uint32_t exptime,
+ const void* val,
+ uint32_t vallen,
+ uint32_t flags,
+ uint32_t exptime,
uint64_t cas,
uint64_t *result_cas);
* @param cas the cas id in the request
* @param result_cas the cas id of the new item
*/
- protocol_binary_response_status (*set)(const void *cookie,
- const void *key,
+ protocol_binary_response_status (*set)(const void *cookie,
+ const void *key,
uint16_t keylen,
- const void* val,
- uint32_t vallen,
- uint32_t flags,
- uint32_t exptime,
+ const void* val,
+ uint32_t vallen,
+ uint32_t flags,
+ uint32_t exptime,
uint64_t cas,
uint64_t *result_cas);
* @param keylen the length of the key
* @param response_handler to send the result back to the client, but
* don't send reply on success!
- *
+ *
*/
- protocol_binary_response_status (*stat)(const void *cookie,
- const void *key,
- uint16_t keylen,
+ protocol_binary_response_status (*stat)(const void *cookie,
+ const void *key,
+ uint16_t keylen,
memcached_binary_protocol_stat_response_handler response_handler);
/**
* @param cookie id of the client receiving the command
* @param response_handler to send the result back to the client, but
* don't send reply on success!
- *
+ *
*/
- protocol_binary_response_status (*version)(const void *cookie,
+ protocol_binary_response_status (*version)(const void *cookie,
memcached_binary_protocol_version_response_handler response_handler);
-};
+} memcached_binary_protocol_callback_v1_st;
+
+
+/**
+ * The version numbers for the different callback structures.
+ */
+typedef enum {
+ /** Version 0 is a lowlevel interface that tries to maximize your freedom */
+ MEMCACHED_PROTOCOL_HANDLER_V0= 0,
+ /**
+ * Version 1 abstracts more of the protocol details, and let you work at
+ * a logical level
+ */
+ MEMCACHED_PROTOCOL_HANDLER_V1= 1,
+} memcached_protocol_interface_version_t;
/**
- *
+ * Definition of the protocol callback structure.
*/
-struct memcached_binary_protocol_callback_st {
+typedef struct {
/**
- * The interface version used (set to 0 if you don't have any specialized
- * command handlers).
+ * The interface version you provide callbacks for.
*/
- uint64_t interface_version;
+ memcached_protocol_interface_version_t interface_version;
/**
* Callback fired just before the command will be executed.
* at the content you <b>must</b> ensure that you don't
* try to access beyond the end of the message.
*/
- void (*pre_execute)(const void *cookie,
+ void (*pre_execute)(const void *cookie,
protocol_binary_request_header *header);
/**
* Callback fired just after the command was exected (please note
* passed as the pointer is valid as long as you use the protocol handler.
*/
union {
- struct memcached_binary_protocol_callback_v0_st v0;
+ memcached_binary_protocol_callback_v0_st v0;
/**
* The first version of the callback struct containing all of the
* documented commands in the initial release of the binary protocol
* (aka. memcached 1.4.0).
*/
- struct memcached_binary_protocol_callback_v1_st v1;
+ memcached_binary_protocol_callback_v1_st v1;
} interface;
-};
+} memcached_binary_protocol_callback_st;
#endif
projects / m6w6 / libmemcached / blobdiff