X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Fversion.cc;h=5f07491285cd27b120446f841a1a55036c12980d;hb=d9db3f534bc38ea22e83e5529ff93aea4150ab19;hp=961f6916096bbf3aa64c8fa7211b3559a121b385;hpb=ab9ea0e2b9e1cb2bf88510f3077950cd8e464622;p=awesomized%2Flibmemcached diff --git a/libmemcached/version.cc b/libmemcached/version.cc index 961f6916..5f074912 100644 --- a/libmemcached/version.cc +++ b/libmemcached/version.cc @@ -41,17 +41,18 @@ const char * memcached_lib_version(void) 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) @@ -64,23 +65,34 @@ static inline memcached_return_t memcached_version_textual(memcached_st *ptr) { 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)) + { + memcached_io_reset(instance); + 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; @@ -89,10 +101,13 @@ static inline memcached_return_t memcached_version_binary(memcached_st *ptr) { 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) { @@ -106,82 +121,110 @@ static inline memcached_return_t memcached_version_binary(memcached_st *ptr) 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); + } + } + } + } +} + +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; }