#include "common.h"
-static memcached_return memcached_auto(memcached_st *ptr,
+static memcached_return memcached_auto(memcached_st *ptr,
const char *verb,
+ const char *master_key, size_t master_key_length,
const char *key, size_t key_length,
- unsigned int offset,
+ uint64_t offset,
uint64_t *value)
{
size_t send_length;
memcached_return rc;
char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE];
unsigned int server_key;
-
- unlikely (key_length == 0)
- return MEMCACHED_NO_KEY_PROVIDED;
+ bool no_reply= (ptr->flags & MEM_NOREPLY);
unlikely (ptr->hosts == NULL || ptr->number_of_hosts == 0)
return MEMCACHED_NO_SERVERS;
- if ((ptr->flags & MEM_VERIFY_KEY) && (memcachd_key_test((char **)&key, &key_length, 1) == MEMCACHED_BAD_KEY_PROVIDED))
+ if ((ptr->flags & MEM_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= snprintf(buffer, MEMCACHED_DEFAULT_COMMAND_SIZE,
- "%s %.*s %u\r\n", verb,
- (int)key_length, key,
- offset);
+ 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" : "");
unlikely (send_length >= MEMCACHED_DEFAULT_COMMAND_SIZE)
return MEMCACHED_WRITE_FAILURE;
rc= memcached_do(&ptr->hosts[server_key], buffer, send_length, 1);
- if (rc != MEMCACHED_SUCCESS)
+ if (no_reply || rc != MEMCACHED_SUCCESS)
return rc;
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.
*/
}
else
{
- *value= (uint64_t)strtoll(buffer, (char **)NULL, 10);
+ *value= strtoull(buffer, (char **)NULL, 10);
rc= MEMCACHED_SUCCESS;
}
return rc;
}
-memcached_return memcached_increment(memcached_st *ptr,
+static memcached_return 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);
+
+ unlikely (ptr->hosts == NULL || ptr->number_of_hosts == 0)
+ return MEMCACHED_NO_SERVERS;
+
+ server_key= memcached_generate_hash(ptr, master_key, master_key_length);
+
+ if (no_reply)
+ {
+ if(cmd == PROTOCOL_BINARY_CMD_DECREMENT)
+ cmd= PROTOCOL_BINARY_CMD_DECREMENTQ;
+ if(cmd == PROTOCOL_BINARY_CMD_INCREMENT)
+ cmd= PROTOCOL_BINARY_CMD_INCREMENTQ;
+ }
+ 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((uint32_t) (key_length + request.message.header.request.extlen));
+ request.message.body.delta= htonll(offset);
+ request.message.body.initial= htonll(initial);
+ request.message.body.expiration= htonl((uint32_t) expiration);
+
+ 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;
+ }
+
+ if (no_reply)
+ return MEMCACHED_SUCCESS;
+ 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;
+ return memcached_increment_by_key(ptr, key, key_length, key, key_length, offset, value);
+}
+
+memcached_return memcached_decrement(memcached_st *ptr,
+ const char *key, size_t key_length,
+ uint32_t offset,
+ uint64_t *value)
+{
+ return memcached_decrement_by_key(ptr, key, key_length, key, key_length, offset, value);
+}
+
+memcached_return 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 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,
+ master_key, master_key_length, key, key_length,
+ (uint64_t)offset, 0, MEMCACHED_EXPIRATION_NOT_ADD,
+ 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 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_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,
+ master_key, master_key_length, key, key_length,
+ (uint64_t)offset, 0, MEMCACHED_EXPIRATION_NOT_ADD,
+ 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)
+{
+ return memcached_increment_with_initial_by_key(ptr, key, key_length,
+ key, key_length,
+ offset, initial, expiration, value);
+}
+
+memcached_return 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 rc= memcached_validate_key_length(key_length, ptr->flags & MEM_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,
+ master_key, master_key_length, key, key_length,
+ offset, initial, (uint32_t)expiration,
+ value);
+ else
+ rc= MEMCACHED_PROTOCOL_ERROR;
+
+ LIBMEMCACHED_MEMCACHED_INCREMENT_WITH_INITIAL_END();
+
+ 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)
+{
+ return memcached_decrement_with_initial_by_key(ptr, key, key_length,
+ key, key_length,
+ offset, initial, expiration, value);
+}
+
+memcached_return 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);
+ 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_DECREMENT,
+ master_key, master_key_length, key, key_length,
+ offset, initial, (uint32_t)expiration,
+ value);
+ else
+ rc= MEMCACHED_PROTOCOL_ERROR;
+
+ LIBMEMCACHED_MEMCACHED_INCREMENT_WITH_INITIAL_END();
+
+ return rc;
+}
+
projects / awesomized / libmemcached / blobdiff