+/* LibMemcached
+ * Copyright (C) 2006-2009 Brian Aker
+ * All rights reserved.
+ *
+ * Use and distribution licensed under the BSD license. See
+ * the COPYING file in the parent directory for full text.
+ *
+ * Summary: Methods for adding or decrementing values from an object in memcached
+ *
+ */
+
#include "common.h"
-static memcached_return memcached_auto(memcached_st *ptr,
- const char *verb,
- const char *key, size_t key_length,
- unsigned int offset,
- uint64_t *value)
+static memcached_return_t memcached_auto(memcached_st *ptr,
+ const char *verb,
+ const char *master_key, size_t master_key_length,
+ const char *key, size_t key_length,
+ uint64_t offset,
+ uint64_t *value)
{
size_t send_length;
- memcached_return rc;
+ memcached_return_t rc;
char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE];
unsigned int server_key;
- bool no_reply= (ptr->flags & MEM_NOREPLY);
+ bool no_reply= ptr->flags.no_reply;
unlikely (ptr->hosts == NULL || ptr->number_of_hosts == 0)
return MEMCACHED_NO_SERVERS;
- if ((ptr->flags & MEM_VERIFY_KEY) && (memcached_key_test((const char **)&key, &key_length, 1) == MEMCACHED_BAD_KEY_PROVIDED))
+ if (ptr->flags.verify_key && (memcached_key_test((const char **)&key, &key_length, 1) == MEMCACHED_BAD_KEY_PROVIDED))
return MEMCACHED_BAD_KEY_PROVIDED;
- server_key= memcached_generate_hash(ptr, key, key_length);
+ server_key= memcached_generate_hash(ptr, master_key, master_key_length);
- send_length= (size_t)snprintf(buffer, MEMCACHED_DEFAULT_COMMAND_SIZE,
- "%s %s%.*s %u%s\r\n", verb,
+ send_length= (size_t)snprintf(buffer, MEMCACHED_DEFAULT_COMMAND_SIZE,
+ "%s %s%.*s %" PRIu64 "%s\r\n", verb,
ptr->prefix_key,
(int)key_length, key,
offset, no_reply ? " noreply" : "");
rc= memcached_response(&ptr->hosts[server_key], buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, NULL);
- /*
+ /*
So why recheck responce? Because the protocol is brain dead :)
- The number returned might end up equaling one of the string
- values. Less chance of a mistake with strncmp() so we will
+ The number returned might end up equaling one of the string
+ values. Less chance of a mistake with strncmp() so we will
use it. We still called memcached_response() though since it
worked its magic for non-blocking IO.
*/
return rc;
}
-static memcached_return binary_incr_decr(memcached_st *ptr, uint8_t cmd,
- const char *key, size_t key_length,
- uint64_t offset, uint64_t initial,
- uint32_t expiration,
- uint64_t *value)
+static memcached_return_t binary_incr_decr(memcached_st *ptr, uint8_t cmd,
+ const char *master_key, size_t master_key_length,
+ const char *key, size_t key_length,
+ uint64_t offset, uint64_t initial,
+ uint32_t expiration,
+ uint64_t *value)
{
unsigned int server_key;
- bool no_reply= (ptr->flags & MEM_NOREPLY);
+ bool no_reply= ptr->flags.no_reply;
unlikely (ptr->hosts == NULL || ptr->number_of_hosts == 0)
return MEMCACHED_NO_SERVERS;
- server_key= memcached_generate_hash(ptr, key, key_length);
+ server_key= memcached_generate_hash(ptr, master_key, master_key_length);
if (no_reply)
{
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_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_t memcached_increment(memcached_st *ptr,
+ const char *key, size_t key_length,
+ uint32_t offset,
+ uint64_t *value)
+{
+ return memcached_increment_by_key(ptr, key, key_length, key, key_length, offset, value);
+}
+
+memcached_return_t memcached_decrement(memcached_st *ptr,
+ const char *key, size_t key_length,
+ uint32_t offset,
+ uint64_t *value)
{
- memcached_return rc= memcached_validate_key_length(key_length, ptr->flags & MEM_BINARY_PROTOCOL);
+ return memcached_decrement_by_key(ptr, key, key_length, key, key_length, offset, value);
+}
+
+memcached_return_t memcached_increment_by_key(memcached_st *ptr,
+ const char *master_key, size_t master_key_length,
+ const char *key, size_t key_length,
+ uint64_t offset,
+ uint64_t *value)
+{
+ memcached_return_t rc= memcached_validate_key_length(key_length, ptr->flags.binary_protocol);
unlikely (rc != MEMCACHED_SUCCESS)
return rc;
LIBMEMCACHED_MEMCACHED_INCREMENT_START();
- if (ptr->flags & MEM_BINARY_PROTOCOL)
- rc= binary_incr_decr(ptr, PROTOCOL_BINARY_CMD_INCREMENT, key, key_length,
+ if (ptr->flags.binary_protocol)
+ {
+ rc= binary_incr_decr(ptr, PROTOCOL_BINARY_CMD_INCREMENT,
+ master_key, master_key_length, key, key_length,
(uint64_t)offset, 0, MEMCACHED_EXPIRATION_NOT_ADD,
value);
- else
- rc= memcached_auto(ptr, "incr", key, key_length, offset, value);
-
+ }
+ else
+ {
+ rc= memcached_auto(ptr, "incr", master_key, master_key_length, key, key_length, offset, value);
+ }
+
LIBMEMCACHED_MEMCACHED_INCREMENT_END();
return rc;
}
-memcached_return memcached_decrement(memcached_st *ptr,
- const char *key, size_t key_length,
- uint32_t offset,
- uint64_t *value)
+memcached_return_t memcached_decrement_by_key(memcached_st *ptr,
+ const char *master_key, size_t master_key_length,
+ const char *key, size_t key_length,
+ uint64_t offset,
+ uint64_t *value)
{
- memcached_return rc= memcached_validate_key_length(key_length, ptr->flags & MEM_BINARY_PROTOCOL);
+ memcached_return_t rc= memcached_validate_key_length(key_length, ptr->flags.binary_protocol);
unlikely (rc != MEMCACHED_SUCCESS)
return rc;
LIBMEMCACHED_MEMCACHED_DECREMENT_START();
- if (ptr->flags & MEM_BINARY_PROTOCOL)
- rc= binary_incr_decr(ptr, PROTOCOL_BINARY_CMD_DECREMENT, key, key_length,
+ if (ptr->flags.binary_protocol)
+ rc= binary_incr_decr(ptr, PROTOCOL_BINARY_CMD_DECREMENT,
+ master_key, master_key_length, key, key_length,
(uint64_t)offset, 0, MEMCACHED_EXPIRATION_NOT_ADD,
value);
- else
- rc= memcached_auto(ptr, "decr", key, key_length, offset, value);
-
+ else
+ rc= memcached_auto(ptr, "decr", master_key, master_key_length, key, key_length, offset, value);
+
LIBMEMCACHED_MEMCACHED_DECREMENT_END();
return rc;
}
-memcached_return memcached_increment_with_initial(memcached_st *ptr,
- const char *key,
- size_t key_length,
- uint64_t offset,
- uint64_t initial,
- time_t expiration,
- uint64_t *value)
+memcached_return_t memcached_increment_with_initial(memcached_st *ptr,
+ const char *key,
+ size_t key_length,
+ uint64_t offset,
+ uint64_t initial,
+ time_t expiration,
+ uint64_t *value)
{
- memcached_return rc= memcached_validate_key_length(key_length, ptr->flags & MEM_BINARY_PROTOCOL);
+ return memcached_increment_with_initial_by_key(ptr, key, key_length,
+ key, key_length,
+ offset, initial, expiration, value);
+}
+
+memcached_return_t memcached_increment_with_initial_by_key(memcached_st *ptr,
+ const char *master_key,
+ size_t master_key_length,
+ const char *key,
+ size_t key_length,
+ uint64_t offset,
+ uint64_t initial,
+ time_t expiration,
+ uint64_t *value)
+{
+ memcached_return_t rc= memcached_validate_key_length(key_length, ptr->flags.binary_protocol);
unlikely (rc != MEMCACHED_SUCCESS)
return rc;
LIBMEMCACHED_MEMCACHED_INCREMENT_WITH_INITIAL_START();
- if (ptr->flags & MEM_BINARY_PROTOCOL)
- rc= binary_incr_decr(ptr, PROTOCOL_BINARY_CMD_INCREMENT, key,
- key_length, offset, initial, (uint32_t)expiration,
+ if (ptr->flags.binary_protocol)
+ rc= binary_incr_decr(ptr, PROTOCOL_BINARY_CMD_INCREMENT,
+ master_key, master_key_length, key, key_length,
+ offset, initial, (uint32_t)expiration,
value);
else
rc= MEMCACHED_PROTOCOL_ERROR;
return rc;
}
-memcached_return memcached_decrement_with_initial(memcached_st *ptr,
- const char *key,
- size_t key_length,
- uint64_t offset,
- uint64_t initial,
- time_t expiration,
- uint64_t *value)
+memcached_return_t memcached_decrement_with_initial(memcached_st *ptr,
+ const char *key,
+ size_t key_length,
+ uint64_t offset,
+ uint64_t initial,
+ time_t expiration,
+ uint64_t *value)
+{
+ return memcached_decrement_with_initial_by_key(ptr, key, key_length,
+ key, key_length,
+ offset, initial, expiration, value);
+}
+
+memcached_return_t memcached_decrement_with_initial_by_key(memcached_st *ptr,
+ const char *master_key,
+ size_t master_key_length,
+ const char *key,
+ size_t key_length,
+ uint64_t offset,
+ uint64_t initial,
+ time_t expiration,
+ uint64_t *value)
{
- memcached_return rc= memcached_validate_key_length(key_length, ptr->flags & MEM_BINARY_PROTOCOL);
+ memcached_return_t rc= memcached_validate_key_length(key_length, ptr->flags.binary_protocol);
unlikely (rc != MEMCACHED_SUCCESS)
return rc;
- LIBMEMCACHED_MEMCACHED_DECREMENT_WITH_INITIAL_START();
- if (ptr->flags & MEM_BINARY_PROTOCOL)
- rc= binary_incr_decr(ptr, PROTOCOL_BINARY_CMD_DECREMENT, key,
- key_length, offset, initial, (uint32_t)expiration,
+ LIBMEMCACHED_MEMCACHED_INCREMENT_WITH_INITIAL_START();
+ if (ptr->flags.binary_protocol)
+ {
+ rc= binary_incr_decr(ptr, PROTOCOL_BINARY_CMD_DECREMENT,
+ master_key, master_key_length, key, key_length,
+ offset, initial, (uint32_t)expiration,
value);
+ }
else
+ {
rc= MEMCACHED_PROTOCOL_ERROR;
+ }
- LIBMEMCACHED_MEMCACHED_DECREMENT_WITH_INITIAL_END();
+ LIBMEMCACHED_MEMCACHED_INCREMENT_WITH_INITIAL_END();
return rc;
}
+
projects / m6w6 / libmemcached / blobdiff