+++ /dev/null
-/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
- *
- * Libmemcached library
- *
- * Copyright (C) 2011 Data Differential, http://datadifferential.com/
- * Copyright (C) 2010 Brian Aker All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *
- * * The names of its contributors may not be used to endorse or
- * promote products derived from this software without specific prior
- * written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-#include <libmemcached/common.h>
-
-const char * memcached_lib_version(void)
-{
- return LIBMEMCACHED_VERSION_STRING;
-}
-
-static inline memcached_return_t memcached_version_textual(Memcached *memc)
-{
- libmemcached_io_vector_st vector[]=
- {
- { memcached_literal_param("version\r\n") },
- };
-
- uint32_t success= 0;
- bool errors_happened= false;
- for (uint32_t x= 0; x < memcached_server_count(memc); x++)
- {
- memcached_instance_st* instance= memcached_instance_fetch(memc, x);
-
- // Optimization, we only fetch version once.
- if (instance->major_version != UINT8_MAX)
- {
- continue;
- }
-
- memcached_return_t rrc;
- if (memcached_failed(rrc= memcached_vdo(instance, vector, 1, true)))
- {
- errors_happened= true;
- (void)memcached_set_error(*instance, rrc, MEMCACHED_AT);
- continue;
- }
- success++;
- }
-
- if (success)
- {
- // Collect the returned items
- memcached_instance_st* instance;
- memcached_return_t readable_error;
- while ((instance= memcached_io_get_readable_server(memc, readable_error)))
- {
- memcached_return_t rrc= memcached_response(instance, NULL);
- if (memcached_failed(rrc))
- {
- errors_happened= true;
- }
- }
- }
-
- return errors_happened ? MEMCACHED_SOME_ERRORS : MEMCACHED_SUCCESS;
-}
-
-static inline memcached_return_t memcached_version_binary(Memcached *memc)
-{
- protocol_binary_request_version request= {};
-
- request.message.header.request.opcode= PROTOCOL_BINARY_CMD_VERSION;
- request.message.header.request.datatype= PROTOCOL_BINARY_RAW_BYTES;
-
- libmemcached_io_vector_st vector[]=
- {
- { request.bytes, sizeof(request.bytes) }
- };
-
- uint32_t success= 0;
- bool errors_happened= false;
- for (uint32_t x= 0; x < memcached_server_count(memc); x++)
- {
- memcached_instance_st* instance= memcached_instance_fetch(memc, x);
-
- initialize_binary_request(instance, request.message.header);
-
- if (instance->major_version != UINT8_MAX)
- {
- continue;
- }
-
- memcached_return_t rrc= memcached_vdo(instance, vector, 1, true);
- if (memcached_failed(rrc))
- {
- errors_happened= true;
- continue;
- }
-
- success++;
- }
-
- if (success)
- {
- // Collect the returned items
- memcached_instance_st* instance;
- memcached_return_t readable_error;
- while ((instance= memcached_io_get_readable_server(memc, readable_error)))
- {
- char buffer[32];
- memcached_return_t rrc= memcached_response(instance, buffer, sizeof(buffer), NULL);
- if (memcached_failed(rrc))
- {
- errors_happened= true;
- }
- }
- }
-
- return errors_happened ? MEMCACHED_SOME_ERRORS : MEMCACHED_SUCCESS;
-}
-
-static inline void version_ascii_instance(memcached_instance_st* instance)
-{
- if (instance->major_version != UINT8_MAX)
- {
- libmemcached_io_vector_st vector[]=
- {
- { memcached_literal_param("version\r\n") },
- };
-
- (void)memcached_vdo(instance, vector, 1, false);
- }
-}
-
-static inline void version_binary_instance(memcached_instance_st* instance)
-{
- if (instance->major_version != UINT8_MAX)
- {
- protocol_binary_request_version request= {};
-
- request.message.header.request.opcode= PROTOCOL_BINARY_CMD_VERSION;
- request.message.header.request.datatype= PROTOCOL_BINARY_RAW_BYTES;
-
- libmemcached_io_vector_st vector[]=
- {
- { request.bytes, sizeof(request.bytes) }
- };
-
- initialize_binary_request(instance, request.message.header);
-
- (void)memcached_vdo(instance, vector, 1, false);
- }
-}
-
-void memcached_version_instance(memcached_instance_st* instance)
-{
- if (instance)
- {
- if (memcached_has_root(instance))
- {
- if (memcached_is_fetching_version(instance->root))
- {
- if (memcached_is_udp(instance->root) == false)
- {
-
- if (memcached_is_binary(instance->root))
- {
- version_binary_instance(instance);
- return;
- }
-
- version_ascii_instance(instance);
- }
- }
- }
- }
-}
-
-int8_t memcached_version_instance_cmp(memcached_instance_st *instance,
- uint8_t maj, uint8_t min, uint8_t mic)
-{
- if (!instance || memcached_server_major_version(instance) == UINT8_MAX) {
- return INT8_MIN;
- } else {
- uint32_t sv, cv;
-
- sv = memcached_server_micro_version(instance)
- |memcached_server_minor_version(instance) << 8
- |memcached_server_major_version(instance) << 16
- ;
- cv = mic
- |min << 8
- |maj << 16
- ;
- if (sv < cv) {
- return -1;
- }
- return sv != cv;
- }
-}
-
-memcached_return_t memcached_version(memcached_st *shell)
-{
- Memcached* memc= memcached2Memcached(shell);
- if (memc)
- {
- memcached_return_t rc;
- if (memcached_failed(rc= initialize_query(memc, true)))
- {
- return rc;
- }
-
- if (memcached_is_udp(memc))
- {
- return MEMCACHED_NOT_SUPPORTED;
- }
-
- if (memcached_is_binary(memc))
- {
- return memcached_version_binary(memc);
- }
-
- return memcached_version_textual(memc);
- }
-
- return MEMCACHED_INVALID_ARGUMENTS;
-}
projects / awesomized / libmemcached / blobdiff