X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Fget.cc;h=1deb39765ea7d2a0162acfb9a6d67e789ab1f3b0;hb=3dcd41c50068eec906a1a11a178e9b3f08ef2326;hp=6dfb7a79a271409902f88947e9d0cb870da5bc01;hpb=5cb5e0d2dacc49ea143b8e059b0f90251d0e2c23;p=m6w6%2Flibmemcached diff --git a/libmemcached/get.cc b/libmemcached/get.cc index 6dfb7a79..1deb3976 100644 --- a/libmemcached/get.cc +++ b/libmemcached/get.cc @@ -68,36 +68,39 @@ char *memcached_get_by_key(memcached_st *ptr, { memcached_return_t unused; if (error == NULL) + { error= &unused; + } - unlikely (ptr->flags.use_udp) + uint64_t query_id= 0; + if (ptr) { - if (value_length) - *value_length= 0; - - *error= memcached_set_error(*ptr, MEMCACHED_NOT_SUPPORTED, MEMCACHED_AT); - return NULL; + query_id= ptr->query_id; } - uint64_t query_id= ptr->query_id; - (void)query_id; - /* Request the key */ *error= memcached_mget_by_key_real(ptr, group_key, group_key_length, (const char * const *)&key, &key_length, 1, false); - assert_msg(ptr->query_id == query_id +1, "Programmer error, the query_id was not incremented."); - + if (ptr) + { + assert_msg(ptr->query_id == query_id +1, "Programmer error, the query_id was not incremented."); + } if (memcached_failed(*error)) { - if (memcached_has_current_error(*ptr)) // Find the most accurate error + if (ptr) { - *error= memcached_last_error(ptr); + if (memcached_has_current_error(*ptr)) // Find the most accurate error + { + *error= memcached_last_error(ptr); + } } if (value_length) + { *value_length= 0; + } return NULL; } @@ -108,7 +111,9 @@ char *memcached_get_by_key(memcached_st *ptr, /* This is for historical reasons */ if (*error == MEMCACHED_END) + { *error= MEMCACHED_NOTFOUND; + } if (value == NULL) { @@ -118,14 +123,16 @@ char *memcached_get_by_key(memcached_st *ptr, memcached_return_t rc= ptr->get_key_failure(ptr, key, key_length, &ptr->result); /* On all failure drop to returning NULL */ - if (rc == MEMCACHED_SUCCESS || rc == MEMCACHED_BUFFERED) + if (rc == MEMCACHED_SUCCESS or rc == MEMCACHED_BUFFERED) { if (rc == MEMCACHED_BUFFERED) { uint64_t latch; /* We use latch to track the state of the original socket */ latch= memcached_behavior_get(ptr, MEMCACHED_BEHAVIOR_BUFFER_REQUESTS); if (latch == 0) + { memcached_behavior_set(ptr, MEMCACHED_BEHAVIOR_BUFFER_REQUESTS, 1); + } rc= memcached_set(ptr, key, key_length, (memcached_result_value(&ptr->result)), @@ -161,17 +168,6 @@ char *memcached_get_by_key(memcached_st *ptr, return NULL; } - size_t dummy_length; - uint32_t dummy_flags; - memcached_return_t dummy_error; - - char *dummy_value= memcached_fetch(ptr, NULL, NULL, - &dummy_length, &dummy_flags, - &dummy_error); - assert_msg(dummy_value == 0, "memcached_fetch() returned additional values beyond the single get it expected"); - assert_msg(dummy_length == 0, "memcached_fetch() returned additional values beyond the single get it expected"); - assert_msg(ptr->query_id == query_id +1, "Programmer error, the query_id was not incremented."); - return value; } @@ -205,12 +201,12 @@ static memcached_return_t memcached_mget_by_key_real(memcached_st *ptr, unsigned int master_server_key= (unsigned int)-1; /* 0 is a valid server id! */ memcached_return_t rc; - if (memcached_failed(rc= initialize_query(ptr))) + if (memcached_failed(rc= initialize_query(ptr, true))) { return rc; } - if (ptr->flags.use_udp) + if (memcached_is_udp(ptr)) { return memcached_set_error(*ptr, MEMCACHED_NOT_SUPPORTED, MEMCACHED_AT); } @@ -224,17 +220,12 @@ static memcached_return_t memcached_mget_by_key_real(memcached_st *ptr, if (memcached_failed(memcached_key_test(*ptr, keys, key_length, number_of_keys))) { - return memcached_set_error(*ptr, MEMCACHED_BAD_KEY_PROVIDED, MEMCACHED_AT, memcached_literal_param("A bad key value was provided")); + return memcached_last_error(ptr); } bool is_group_key_set= false; if (group_key and group_key_length) { - if (memcached_failed(memcached_key_test(*ptr, (const char * const *)&group_key, &group_key_length, 1))) - { - return memcached_set_error(*ptr, MEMCACHED_BAD_KEY_PROVIDED, MEMCACHED_AT, memcached_literal_param("A bad group key was provided.")); - } - master_server_key= memcached_generate_hash_with_redistribution(ptr, group_key, group_key_length); is_group_key_set= true; } @@ -247,22 +238,25 @@ static memcached_return_t memcached_mget_by_key_real(memcached_st *ptr, */ for (uint32_t x= 0; x < memcached_server_count(ptr); x++) { - memcached_server_write_instance_st instance= - memcached_server_instance_fetch(ptr, x); + memcached_server_write_instance_st instance= memcached_server_instance_fetch(ptr, x); if (memcached_server_response_count(instance)) { char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE]; if (ptr->flags.no_block) - (void)memcached_io_write(instance, NULL, 0, true); + { + memcached_io_write(instance); + } while(memcached_server_response_count(instance)) + { (void)memcached_response(instance, buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, &ptr->result); + } } } - if (ptr->flags.binary_protocol) + if (memcached_is_binary(ptr)) { return binary_mget_by_key(ptr, master_server_key, is_group_key_set, keys, key_length, number_of_keys, mget_mode); @@ -296,7 +290,7 @@ static memcached_return_t memcached_mget_by_key_real(memcached_st *ptr, instance= memcached_server_instance_fetch(ptr, server_key); - struct libmemcached_io_vector_st vector[]= + libmemcached_io_vector_st vector[]= { { get_command, get_command_length }, { memcached_array_string(ptr->_namespace), memcached_array_size(ptr->_namespace) }, @@ -341,7 +335,9 @@ static memcached_return_t memcached_mget_by_key_real(memcached_st *ptr, LIBMEMCACHED_MEMCACHED_MGET_END(); if (memcached_failed(rc)) + { return rc; + } return memcached_set_error(*ptr, MEMCACHED_NO_SERVERS, MEMCACHED_AT); } @@ -417,12 +413,23 @@ memcached_return_t memcached_mget_execute_by_key(memcached_st *ptr, void *context, unsigned int number_of_callbacks) { - if ((ptr->flags.binary_protocol) == 0) + memcached_return_t rc; + if (memcached_failed(rc= initialize_query(ptr, false))) + { + return rc; + } + + if (memcached_is_udp(ptr)) { - return MEMCACHED_NOT_SUPPORTED; + return memcached_set_error(*ptr, MEMCACHED_NOT_SUPPORTED, MEMCACHED_AT); + } + + if (memcached_is_binary(ptr) == false) + { + return memcached_set_error(*ptr, MEMCACHED_NOT_SUPPORTED, MEMCACHED_AT, + memcached_literal_param("ASCII protocol is not supported for memcached_mget_execute_by_key()")); } - memcached_return_t rc; memcached_callback_st *original_callbacks= ptr->callbacks; memcached_callback_st cb= { callback, @@ -479,14 +486,18 @@ static memcached_return_t simple_binary_mget(memcached_st *ptr, protocol_binary_request_getk request= { }; //= {.bytes= {0}}; request.message.header.request.magic= PROTOCOL_BINARY_REQ; if (mget_mode) + { request.message.header.request.opcode= PROTOCOL_BINARY_CMD_GETKQ; + } else + { request.message.header.request.opcode= PROTOCOL_BINARY_CMD_GETK; + } memcached_return_t vk; vk= memcached_validate_key_length(key_length[x], ptr->flags.binary_protocol); - unlikely (vk != MEMCACHED_SUCCESS) + if (vk != MEMCACHED_SUCCESS) { if (x > 0) { @@ -500,7 +511,7 @@ static memcached_return_t simple_binary_mget(memcached_st *ptr, request.message.header.request.datatype= PROTOCOL_BINARY_RAW_BYTES; request.message.header.request.bodylen= htonl((uint32_t)( key_length[x] + memcached_array_size(ptr->_namespace))); - struct libmemcached_io_vector_st vector[]= + libmemcached_io_vector_st vector[]= { { request.bytes, sizeof(request.bytes) }, { memcached_array_string(ptr->_namespace), memcached_array_size(ptr->_namespace) }, @@ -535,12 +546,11 @@ static memcached_return_t simple_binary_mget(memcached_st *ptr, for (uint32_t x= 0; x < memcached_server_count(ptr); ++x) { - memcached_server_write_instance_st instance= - memcached_server_instance_fetch(ptr, x); + memcached_server_write_instance_st instance= memcached_server_instance_fetch(ptr, x); if (memcached_server_response_count(instance)) { - if (memcached_io_write(instance, NULL, 0, true) == -1) + if (memcached_io_write(instance) == false) { memcached_server_response_reset(instance); memcached_io_reset(instance); @@ -634,7 +644,7 @@ static memcached_return_t replication_binary_mget(memcached_st *ptr, * that we might have processed some of the responses etc. For now, * just make sure we work _correctly_ */ - struct libmemcached_io_vector_st vector[]= + libmemcached_io_vector_st vector[]= { { request.bytes, sizeof(request.bytes) }, { memcached_array_string(ptr->_namespace), memcached_array_size(ptr->_namespace) }, @@ -676,8 +686,8 @@ static memcached_return_t binary_mget_by_key(memcached_st *ptr, keys, key_length, number_of_keys, mget_mode); } - uint32_t* hash= static_cast(libmemcached_malloc(ptr, sizeof(uint32_t) * number_of_keys)); - bool* dead_servers= static_cast(libmemcached_calloc(ptr, memcached_server_count(ptr), sizeof(bool))); + uint32_t* hash= libmemcached_xvalloc(ptr, number_of_keys, uint32_t); + bool* dead_servers= libmemcached_xcalloc(ptr, memcached_server_count(ptr), bool); if (hash == NULL || dead_servers == NULL) {