return LIBMEMCACHED_VERSION_STRING;
}
-static inline memcached_return_t memcached_version_binary(memcached_st *ptr);
-static inline memcached_return_t memcached_version_textual(memcached_st *ptr);
-
-memcached_return_t memcached_version(memcached_st *ptr)
-{
- if (ptr->flags.use_udp)
- return MEMCACHED_NOT_SUPPORTED;
-
- memcached_return_t rc;
-
- if (ptr->flags.binary_protocol)
- rc= memcached_version_binary(ptr);
- else
- rc= memcached_version_textual(ptr);
-
- return rc;
-}
-
static inline memcached_return_t memcached_version_textual(memcached_st *ptr)
{
- size_t send_length;
- memcached_return_t rc;
- char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE];
- char *response_ptr;
- const char *command= "version\r\n";
-
- send_length= sizeof("version\r\n") -1;
+ libmemcached_io_vector_st vector[]=
+ {
+ { memcached_literal_param("version\r\n") },
+ };
- rc= MEMCACHED_SUCCESS;
+ uint32_t success= 0;
+ bool errors_happened= false;
for (uint32_t x= 0; x < memcached_server_count(ptr); x++)
{
- memcached_return_t rrc;
- memcached_server_write_instance_st instance=
- memcached_server_instance_fetch(ptr, x);
+ org::libmemcached::Instance* instance= memcached_instance_fetch(ptr, x);
// Optimization, we only fetch version once.
if (instance->major_version != UINT8_MAX)
- continue;
-
- rrc= memcached_do(instance, command, send_length, true);
- if (rrc != MEMCACHED_SUCCESS)
- {
- instance->major_version= instance->minor_version= instance->micro_version= UINT8_MAX;
- rc= MEMCACHED_SOME_ERRORS;
- continue;
- }
-
- rrc= memcached_response(instance, buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, NULL);
- if (rrc != MEMCACHED_SUCCESS)
- {
- instance->major_version= instance->minor_version= instance->micro_version= UINT8_MAX;
- rc= MEMCACHED_SOME_ERRORS;
- continue;
- }
-
- /* Find the space, and then move one past it to copy version */
- response_ptr= index(buffer, ' ');
- response_ptr++;
-
- instance->major_version= (uint8_t)strtol(response_ptr, (char **)NULL, 10);
- if (errno == ERANGE)
{
- instance->major_version= instance->minor_version= instance->micro_version= UINT8_MAX;
- rc= MEMCACHED_SOME_ERRORS;
continue;
}
- response_ptr= index(response_ptr, '.');
- response_ptr++;
-
- instance->minor_version= (uint8_t)strtol(response_ptr, (char **)NULL, 10);
- if (errno == ERANGE)
+ memcached_return_t rrc;
+ if (memcached_failed(rrc= memcached_vdo(instance, vector, 1, true)))
{
- instance->major_version= instance->minor_version= instance->micro_version= UINT8_MAX;
- rc= MEMCACHED_SOME_ERRORS;
+ errors_happened= true;
+ (void)memcached_set_error(*instance, rrc, MEMCACHED_AT);
continue;
}
+ success++;
+ }
- response_ptr= index(response_ptr, '.');
- response_ptr++;
- instance->micro_version= (uint8_t)strtol(response_ptr, (char **)NULL, 10);
- if (errno == ERANGE)
+ if (success)
+ {
+ // Collect the returned items
+ org::libmemcached::Instance* instance;
+ while ((instance= memcached_io_get_readable_server(ptr)))
{
- instance->major_version= instance->minor_version= instance->micro_version= UINT8_MAX;
- rc= MEMCACHED_SOME_ERRORS;
- continue;
+ memcached_return_t rrc= memcached_response(instance, NULL);
+ if (memcached_failed(rrc))
+ {
+ memcached_io_reset(instance);
+ errors_happened= true;
+ }
}
}
- return rc;
+ return errors_happened ? MEMCACHED_SOME_ERRORS : MEMCACHED_SUCCESS;
}
static inline memcached_return_t memcached_version_binary(memcached_st *ptr)
{
- memcached_return_t rc;
protocol_binary_request_version request= {};
- request.message.header.request.magic= PROTOCOL_BINARY_REQ;
+
request.message.header.request.opcode= PROTOCOL_BINARY_CMD_VERSION;
request.message.header.request.datatype= PROTOCOL_BINARY_RAW_BYTES;
- rc= MEMCACHED_SUCCESS;
+ 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(ptr); x++)
{
- memcached_return_t rrc;
+ org::libmemcached::Instance* instance= memcached_instance_fetch(ptr, x);
- memcached_server_write_instance_st instance=
- memcached_server_instance_fetch(ptr, x);
+ initialize_binary_request(instance, request.message.header);
if (instance->major_version != UINT8_MAX)
+ {
continue;
+ }
- rrc= memcached_do(instance, request.bytes, sizeof(request.bytes), true);
- if (rrc != MEMCACHED_SUCCESS)
+ memcached_return_t rrc= memcached_vdo(instance, vector, 1, true);
+ if (memcached_failed(rrc))
{
memcached_io_reset(instance);
- rc= MEMCACHED_SOME_ERRORS;
+ errors_happened= true;
continue;
}
+
+ success++;
}
- for (uint32_t x= 0; x < memcached_server_count(ptr); x++)
+ if (success)
{
- memcached_server_write_instance_st instance=
- memcached_server_instance_fetch(ptr, x);
-
- if (instance->major_version != UINT8_MAX)
- continue;
-
- if (memcached_server_response_count(instance) > 0)
+ // Collect the returned items
+ org::libmemcached::Instance* instance;
+ while ((instance= memcached_io_get_readable_server(ptr)))
{
- memcached_return_t rrc;
char buffer[32];
- char *p;
-
- rrc= memcached_response(instance, buffer, sizeof(buffer), NULL);
- if (rrc != MEMCACHED_SUCCESS)
+ memcached_return_t rrc= memcached_response(instance, buffer, sizeof(buffer), NULL);
+ if (memcached_failed(rrc))
{
memcached_io_reset(instance);
- rc= MEMCACHED_SOME_ERRORS;
- continue;
+ errors_happened= true;
}
+ }
+ }
- instance->major_version= (uint8_t)strtol(buffer, &p, 10);
- if (errno == ERANGE)
- {
- instance->major_version= instance->minor_version= instance->micro_version= UINT8_MAX;
- rc= MEMCACHED_SOME_ERRORS;
- continue;
- }
+ return errors_happened ? MEMCACHED_SOME_ERRORS : MEMCACHED_SUCCESS;
+}
- instance->minor_version= (uint8_t)strtol(p + 1, &p, 10);
- if (errno == ERANGE)
- {
- instance->major_version= instance->minor_version= instance->micro_version= UINT8_MAX;
- rc= MEMCACHED_SOME_ERRORS;
- continue;
- }
+static inline void version_ascii_instance(org::libmemcached::Instance* 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(org::libmemcached::Instance* 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);
+ }
+}
- instance->micro_version= (uint8_t)strtol(p + 1, NULL, 10);
- if (errno == ERANGE)
+void memcached_version_instance(org::libmemcached::Instance* instance)
+{
+ if (instance)
+ {
+ if (memcached_has_root(instance))
+ {
+ if (memcached_is_fetching_version(instance->root))
{
- instance->major_version= instance->minor_version= instance->micro_version= UINT8_MAX;
- rc= MEMCACHED_SOME_ERRORS;
- continue;
+ if (memcached_is_udp(instance->root) == false)
+ {
+
+ if (memcached_is_binary(instance->root))
+ {
+ version_binary_instance(instance);
+ return;
+ }
+
+ version_ascii_instance(instance);
+ }
}
+ }
+ }
+}
+memcached_return_t memcached_version(memcached_st *ptr)
+{
+ if (ptr)
+ {
+ memcached_return_t rc;
+ if (memcached_failed(rc= initialize_query(ptr, true)))
+ {
+ return rc;
+ }
+
+ if (memcached_is_udp(ptr))
+ {
+ return MEMCACHED_NOT_SUPPORTED;
}
+
+ if (memcached_is_binary(ptr))
+ {
+ return memcached_version_binary(ptr);
+ }
+
+ return memcached_version_textual(ptr);
}
- return rc;
+ return MEMCACHED_INVALID_ARGUMENTS;
}
projects / m6w6 / libmemcached / blobdiff