X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Fversion.cc;h=9f41c97ae6ac10e7224cb576d81027dc21615fd7;hb=b5495838fb245aa1068a1198ed549b98a9c3e666;hp=b889bf4f21667804dffed75f120e80cd2dc8e7b1;hpb=920b0f21e75bb5b145a7de7383f5ae8c4a2c358a;p=m6w6%2Flibmemcached diff --git a/libmemcached/version.cc b/libmemcached/version.cc index b889bf4f..9f41c97a 100644 --- a/libmemcached/version.cc +++ b/libmemcached/version.cc @@ -47,8 +47,9 @@ static inline memcached_return_t memcached_version_textual(memcached_st *ptr) { { memcached_literal_param("version\r\n") }, }; - memcached_return_t rc= MEMCACHED_SUCCESS; + uint32_t success= 0; + bool errors_happened= false; for (uint32_t x= 0; x < memcached_server_count(ptr); x++) { memcached_server_write_instance_st instance= memcached_server_instance_fetch(ptr, x); @@ -59,73 +60,38 @@ static inline memcached_return_t memcached_version_textual(memcached_st *ptr) continue; } - memcached_return_t rrc= memcached_vdo(instance, vector, 1, 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, sizeof(buffer), 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_server_write_instance_st instance; + while ((instance= memcached_io_get_readable_server(ptr))) { - 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) { 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; @@ -134,11 +100,14 @@ static inline memcached_return_t memcached_version_binary(memcached_st *ptr) { request.bytes, sizeof(request.bytes) } }; - memcached_return_t rc= MEMCACHED_SUCCESS; + uint32_t success= 0; + bool errors_happened= false; for (uint32_t x= 0; x < memcached_server_count(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; @@ -148,66 +117,30 @@ static inline memcached_return_t memcached_version_binary(memcached_st *ptr) 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_server_write_instance_st instance; + while ((instance= memcached_io_get_readable_server(ptr))) { 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; - } - - 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); - - 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); - - 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; - rc= MEMCACHED_SOME_ERRORS; - continue; + errors_happened= true; } - instance->micro_version= uint8_t(version); } } - return rc; + return errors_happened ? MEMCACHED_SOME_ERRORS : MEMCACHED_SUCCESS; } memcached_return_t memcached_version(memcached_st *ptr) @@ -225,12 +158,8 @@ memcached_return_t memcached_version(memcached_st *ptr) if (memcached_is_binary(ptr)) { - rc= memcached_version_binary(ptr); - } - else - { - rc= memcached_version_textual(ptr); + return memcached_version_binary(ptr); } - return rc; + return memcached_version_textual(ptr); }