char to_write;
size_t write_length;
ssize_t sent_length;
- memcached_return rc;
+ memcached_return rc[MEMCACHED_MAX_REPLICAS];
char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE];
unsigned int server_key;
+ uint8_t replicas= 0;
- WATCHPOINT_ASSERT(!(value == NULL && value_length > 0));
- WATCHPOINT_ASSERT(!(value && value_length == 0));
-
- if (key_length == 0)
+ unlikely (key_length == 0)
return MEMCACHED_NO_KEY_PROVIDED;
- if (ptr->number_of_hosts == 0)
+ unlikely (ptr->number_of_hosts == 0)
return MEMCACHED_NO_SERVERS;
+ if ((ptr->flags & MEM_VERIFY_KEY) && (memcachd_key_test(&key, &key_length, 1) == MEMCACHED_BAD_KEY_PROVIDED))
+ return MEMCACHED_BAD_KEY_PROVIDED;
+
server_key= memcached_generate_hash(ptr, master_key, master_key_length);
if (cas)
(unsigned long long)expiration, value_length);
if (write_length >= MEMCACHED_DEFAULT_COMMAND_SIZE)
- {
- rc= MEMCACHED_WRITE_FAILURE;
- goto error;
- }
-
- rc= memcached_do(ptr, server_key, buffer, write_length, 0);
- if (rc != MEMCACHED_SUCCESS)
- goto error;
-
- if ((sent_length= memcached_io_write(ptr, server_key, value, value_length, 0)) == -1)
- {
- rc= MEMCACHED_WRITE_FAILURE;
- goto error;
- }
+ return MEMCACHED_WRITE_FAILURE;
- if ((ptr->flags & MEM_NO_BLOCK) && verb == SET_OP)
+ if ((ptr->flags & MEM_BUFFER_REQUESTS) && verb == SET_OP)
to_write= 0;
else
to_write= 1;
- if ((sent_length= memcached_io_write(ptr, server_key, "\r\n", 2, to_write)) == -1)
+ do
{
- rc= MEMCACHED_WRITE_FAILURE;
- goto error;
- }
+ char response_buffer[MEMCACHED_DEFAULT_COMMAND_SIZE];
- if (to_write == 0)
- rc= MEMCACHED_SUCCESS;
- else
- rc= memcached_response(ptr, buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, NULL, server_key);
+ rc[replicas]= memcached_do(&ptr->hosts[server_key], buffer, write_length, 0);
+
+ if (rc[replicas] != MEMCACHED_SUCCESS)
+ goto error;
+
+ if ((sent_length= memcached_io_write(&ptr->hosts[server_key], value, value_length, 0)) == -1)
+ {
+ rc[replicas]= MEMCACHED_WRITE_FAILURE;
+ goto error;
+ }
- if (rc == MEMCACHED_STORED)
- return MEMCACHED_SUCCESS;
- else
- return rc;
+ if ((sent_length= memcached_io_write(&ptr->hosts[server_key], "\r\n", 2, to_write)) == -1)
+ {
+ rc[replicas]= MEMCACHED_WRITE_FAILURE;
+ goto error;
+ }
+ if (to_write == 0)
+ return MEMCACHED_BUFFERED;
+ else
+ rc[replicas]= memcached_response(&ptr->hosts[server_key],
+ response_buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, NULL);
+
+ /* On error we just jump to the next potential server */
error:
- memcached_io_reset(ptr, server_key);
+ if (ptr->number_of_replicas > 1)
+ {
+ if (server_key == (ptr->number_of_hosts - 1))
+ server_key= 0;
+ else
+ server_key++;
+ }
+ } while ((++replicas) < ptr->number_of_replicas);
+
+ /* As long as one object gets stored, we count this as a success */
+ while (replicas--)
+ {
+ if (rc[replicas] == MEMCACHED_STORED)
+ return MEMCACHED_SUCCESS;
+ }
- return rc;
+ return rc[0];
}
memcached_return memcached_set(memcached_st *ptr, char *key, size_t key_length,
memcached_return rc;
rc= memcached_send(ptr, key, key_length,
key, key_length, value, value_length,
- expiration, flags, cas, APPEND_OP);
+ expiration, flags, cas, CAS_OP);
return rc;
}
memcached_return rc;
rc= memcached_send(ptr, key, key_length,
key, key_length, value, value_length,
- expiration, flags, cas, APPEND_OP);
+ expiration, flags, cas, CAS_OP);
return rc;
}