return LIBMEMCACHED_VERSION_STRING;
}
-static inline memcached_return_t memcached_version_textual(memcached_st *ptr)
+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(ptr); x++)
+ for (uint32_t x= 0; x < memcached_server_count(memc); x++)
{
- memcached_server_write_instance_st instance= memcached_server_instance_fetch(ptr, x);
+ memcached_instance_st* instance= memcached_instance_fetch(memc, x);
// Optimization, we only fetch version once.
if (instance->major_version != UINT8_MAX)
{
errors_happened= true;
(void)memcached_set_error(*instance, rrc, MEMCACHED_AT);
- instance->major_version= instance->minor_version= instance->micro_version= UINT8_MAX;
+ continue;
}
- else if (memcached_failed(rrc= memcached_response(instance, NULL)))
+ 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)))
{
- errors_happened= true;
- memcached_set_error(*instance, rrc, MEMCACHED_AT);
- instance->major_version= instance->minor_version= instance->micro_version= UINT8_MAX;
+ 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_st *ptr)
+static inline memcached_return_t memcached_version_binary(Memcached *memc)
{
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;
{ request.bytes, sizeof(request.bytes) }
};
+ uint32_t success= 0;
bool errors_happened= false;
- for (uint32_t x= 0; x < memcached_server_count(ptr); x++)
+ for (uint32_t x= 0; x < memcached_server_count(memc); x++)
{
- memcached_server_write_instance_st instance= memcached_server_instance_fetch(ptr, x);
+ memcached_instance_st* instance= memcached_instance_fetch(memc, x);
+
+ initialize_binary_request(instance, request.message.header);
if (instance->major_version != UINT8_MAX)
{
memcached_return_t rrc= memcached_vdo(instance, vector, 1, true);
if (memcached_failed(rrc))
{
- memcached_io_reset(instance);
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
+ memcached_instance_st* instance;
+ memcached_return_t readable_error;
+ while ((instance= memcached_io_get_readable_server(memc, readable_error)))
{
char buffer[32];
- char *p;
-
memcached_return_t rrc= memcached_response(instance, buffer, sizeof(buffer), NULL);
if (memcached_failed(rrc))
{
- memcached_io_reset(instance);
errors_happened= true;
- continue;
}
-
- long int version= strtol(buffer, &p, 10);
- if (version == LONG_MIN or version == LONG_MAX or errno == EINVAL or version > UINT8_MAX or version == 0)
- {
- memcached_set_error(*instance, MEMCACHED_PROTOCOL_ERROR, MEMCACHED_AT, memcached_literal_param("strtol() failed to parse major version"));
- instance->major_version= instance->minor_version= instance->micro_version= UINT8_MAX;
- errors_happened= true;
- continue;
- }
- instance->major_version= uint8_t(version);
-
- version= strtol(p +1, &p, 10);
- if (version == LONG_MIN or version == LONG_MAX or errno == EINVAL or version > UINT8_MAX)
- {
- memcached_set_error(*instance, MEMCACHED_PROTOCOL_ERROR, MEMCACHED_AT, memcached_literal_param("strtol() failed to parse micro version"));
- instance->major_version= instance->minor_version= instance->micro_version= UINT8_MAX;
- errors_happened= true;
- continue;
- }
- instance->minor_version= uint8_t(version);
-
- version= strtol(p + 1, NULL, 10);
- if (errno == ERANGE)
- {
- memcached_set_error(*instance, MEMCACHED_PROTOCOL_ERROR, MEMCACHED_AT, memcached_literal_param("strtol() failed to parse micro version"));
- instance->major_version= instance->minor_version= instance->micro_version= UINT8_MAX;
- errors_happened= true;
- continue;
- }
- instance->micro_version= uint8_t(version);
}
}
return errors_happened ? MEMCACHED_SOME_ERRORS : MEMCACHED_SUCCESS;
}
-memcached_return_t memcached_version(memcached_st *ptr)
+static inline void version_ascii_instance(memcached_instance_st* instance)
{
- memcached_return_t rc;
- if (memcached_failed(rc= initialize_query(ptr, true)))
+ if (instance->major_version != UINT8_MAX)
{
- return rc;
+ libmemcached_io_vector_st vector[]=
+ {
+ { memcached_literal_param("version\r\n") },
+ };
+
+ (void)memcached_vdo(instance, vector, 1, false);
}
+}
- if (memcached_is_udp(ptr))
+static inline void version_binary_instance(memcached_instance_st* instance)
+{
+ if (instance->major_version != UINT8_MAX)
{
- return MEMCACHED_NOT_SUPPORTED;
+ 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);
}
+}
- if (memcached_is_binary(ptr))
+void memcached_version_instance(memcached_instance_st* instance)
+{
+ if (instance)
{
- return memcached_version_binary(ptr);
+ 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_version_textual(ptr);
+ return MEMCACHED_INVALID_ARGUMENTS;
}