X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Fversion.cc;h=5f07491285cd27b120446f841a1a55036c12980d;hb=88b1aa19c0b3c5ad047222618cb17f447ea2bc67;hp=b70cf672278c7421257ab9cacdd3269e071454bd;hpb=bd53173d0a23c8c2a0dac68056cbd2cc52d5a6ef;p=awesomized%2Flibmemcached diff --git a/libmemcached/version.cc b/libmemcached/version.cc index b70cf672..5f074912 100644 --- a/libmemcached/version.cc +++ b/libmemcached/version.cc @@ -41,40 +41,18 @@ const char * memcached_lib_version(void) 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) +static inline memcached_return_t memcached_version_textual(Memcached *memc) { - memcached_return_t rc; - if (memcached_failed(rc= initialize_query(ptr))) - { - return rc; - } - - if (ptr->flags.use_udp) + libmemcached_io_vector_st vector[]= { - return MEMCACHED_NOT_SUPPORTED; - } + { memcached_literal_param("version\r\n") }, + }; - if (ptr->flags.binary_protocol) - { - rc= memcached_version_binary(ptr); - } - else + uint32_t success= 0; + bool errors_happened= false; + for (uint32_t x= 0; x < memcached_server_count(memc); x++) { - rc= memcached_version_textual(ptr); - } - - return rc; -} - -static inline memcached_return_t memcached_version_textual(memcached_st *ptr) -{ - memcached_return_t rc= MEMCACHED_SUCCESS; - for (uint32_t x= 0; x < memcached_server_count(ptr); 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) @@ -82,149 +60,171 @@ static inline memcached_return_t memcached_version_textual(memcached_st *ptr) continue; } - memcached_return_t rrc= memcached_do(instance, memcached_literal_param("version\r\n"), true); - if (memcached_failed(rrc)) + 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); - instance->major_version= instance->minor_version= instance->micro_version= UINT8_MAX; - rc= MEMCACHED_SOME_ERRORS; - continue; - } - - char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE]; - rrc= memcached_response(instance, buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, NULL); - if (memcached_failed(rrc)) - { - memcached_set_error(*instance, rrc, MEMCACHED_AT); - 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 */ - char *response_ptr= index(buffer, ' '); - response_ptr++; - - long int version= strtol(response_ptr, (char **)NULL, 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; - rc= MEMCACHED_SOME_ERRORS; - continue; - } - instance->major_version= uint8_t(version); - - response_ptr= index(response_ptr, '.'); - response_ptr++; - - version= strtol(response_ptr, (char **)NULL, 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 minor version")); - instance->major_version= instance->minor_version= instance->micro_version= UINT8_MAX; - rc= MEMCACHED_SOME_ERRORS; continue; } - instance->minor_version= uint8_t(version); - - response_ptr= index(response_ptr, '.'); - response_ptr++; + success++; + } - version= strtol(response_ptr, (char **)NULL, 10); - if (version == LONG_MIN or version == LONG_MAX or errno == EINVAL or version > UINT8_MAX) + 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_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; - rc= MEMCACHED_SOME_ERRORS; - continue; + memcached_return_t rrc= memcached_response(instance, NULL); + if (memcached_failed(rrc)) + { + memcached_io_reset(instance); + errors_happened= true; + } } - instance->micro_version= uint8_t(version); } - return rc; + 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; - memcached_return_t rc= MEMCACHED_SUCCESS; - for (uint32_t x= 0; x < memcached_server_count(ptr); x++) + libmemcached_io_vector_st vector[]= { - memcached_server_write_instance_st instance= memcached_server_instance_fetch(ptr, x); + { 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_do(instance, request.bytes, sizeof(request.bytes), true); + 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 + 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); - rc= MEMCACHED_SOME_ERRORS; - continue; + errors_happened= true; } + } + } - 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; - rc= MEMCACHED_SOME_ERRORS; - continue; - } - instance->major_version= uint8_t(version); + return errors_happened ? MEMCACHED_SOME_ERRORS : MEMCACHED_SUCCESS; +} - 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; - rc= MEMCACHED_SOME_ERRORS; - continue; - } - instance->minor_version= uint8_t(version); +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); - version= strtol(p + 1, NULL, 10); - if (errno == ERANGE) + (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)) { - 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; - 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); + } } - instance->micro_version= uint8_t(version); } } +} + +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 rc; + return MEMCACHED_INVALID_ARGUMENTS; }