X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Fauto.cc;h=c64ccda45067d79983f9ceae6e72df5804826822;hb=387c65c94bec4333da574771fc82a40deabbc3e2;hp=a04ede523c106e6a479e44a512a16da580db752d;hpb=53388ebeb198bd14dcd5ace337cb66922b35e729;p=m6w6%2Flibmemcached diff --git a/libmemcached/auto.cc b/libmemcached/auto.cc index a04ede52..c64ccda4 100644 --- a/libmemcached/auto.cc +++ b/libmemcached/auto.cc @@ -37,39 +37,27 @@ #include -static memcached_return_t text_incr_decr(memcached_st *ptr, +static memcached_return_t text_incr_decr(memcached_server_write_instance_st instance, const bool is_incr, - const char *group_key, size_t group_key_length, const char *key, size_t key_length, - uint64_t offset, - uint64_t *value) + const uint64_t offset, + const bool reply, + uint64_t& numeric_value) { char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE]; - uint32_t server_key; - memcached_server_write_instance_st instance; - - // Invert the logic to make it simpler to read the code - bool reply= (ptr->flags.no_reply) ? false : true; - - if (memcached_failed(memcached_key_test(*ptr, (const char **)&key, &key_length, 1))) - { - return memcached_set_error(*ptr, MEMCACHED_BAD_KEY_PROVIDED, MEMCACHED_AT); - } - - server_key= memcached_generate_hash_with_redistribution(ptr, group_key, group_key_length); - instance= memcached_server_instance_fetch(ptr, server_key); int send_length= snprintf(buffer, sizeof(buffer), " %" PRIu64, offset); - if (send_length >= MEMCACHED_DEFAULT_COMMAND_SIZE || send_length < 0) + if (size_t(send_length) >= sizeof(buffer) or send_length < 0) { - return memcached_set_error(*ptr, MEMCACHED_MEMORY_ALLOCATION_FAILURE, MEMCACHED_AT, + return memcached_set_error(*instance, MEMCACHED_MEMORY_ALLOCATION_FAILURE, MEMCACHED_AT, memcached_literal_param("snprintf(MEMCACHED_DEFAULT_COMMAND_SIZE)")); } - struct libmemcached_io_vector_st vector[]= + libmemcached_io_vector_st vector[]= { + { NULL, 0 }, { memcached_literal_param("incr ") }, - { memcached_array_string(ptr->_namespace), memcached_array_size(ptr->_namespace) }, + { memcached_array_string(instance->root->_namespace), memcached_array_size(instance->root->_namespace) }, { key, key_length }, { buffer, send_length }, { " noreply", reply ? 0 : memcached_literal_param_size(" noreply") }, @@ -78,100 +66,76 @@ static memcached_return_t text_incr_decr(memcached_st *ptr, if (is_incr == false) { - vector[0].buffer= "decr "; + vector[1].buffer= "decr "; } - memcached_return_t rc= memcached_vdo(instance, vector, 6, true); - if (reply == false or memcached_failed(rc)) - { - return rc; - } + memcached_return_t rc= memcached_vdo(instance, vector, 7, true); - rc= memcached_response(instance, buffer, sizeof(buffer), NULL); - - if (rc != MEMCACHED_SUCCESS) + if (reply == false) { - return memcached_set_error(*instance, rc, MEMCACHED_AT); + return MEMCACHED_SUCCESS; } - /* - So why recheck responce? Because the protocol is brain dead :) - The number returned might end up equaling one of the string - values. Less chance of a mistake with strncmp() so we will - use it. We still called memcached_response() though since it - worked its magic for non-blocking IO. - */ - if (not strncmp(buffer, memcached_literal_param("ERROR\r\n"))) - { - *value= 0; - rc= MEMCACHED_PROTOCOL_ERROR; - } - else if (not strncmp(buffer, memcached_literal_param("CLIENT_ERROR\r\n"))) - { - *value= 0; - rc= MEMCACHED_PROTOCOL_ERROR; - } - else if (not strncmp(buffer, memcached_literal_param("NOT_FOUND\r\n"))) + if (memcached_failed(rc)) { - *value= 0; - rc= MEMCACHED_NOTFOUND; - } - else - { - *value= strtoull(buffer, (char **)NULL, 10); - rc= MEMCACHED_SUCCESS; + numeric_value= UINT64_MAX; + return rc; } + rc= memcached_response(instance, buffer, sizeof(buffer), NULL, numeric_value); + return memcached_set_error(*instance, rc, MEMCACHED_AT); } -static memcached_return_t binary_incr_decr(memcached_st *ptr, uint8_t cmd, - const char *group_key, size_t group_key_length, - const char *key, size_t key_length, - uint64_t offset, uint64_t initial, - uint32_t expiration, +static memcached_return_t binary_incr_decr(memcached_server_write_instance_st instance, + protocol_binary_command cmd, + const char *key, const size_t key_length, + const uint64_t offset, + const uint64_t initial, + const uint32_t expiration, + const bool reply, uint64_t *value) { - bool no_reply= ptr->flags.no_reply; - - uint32_t server_key= memcached_generate_hash_with_redistribution(ptr, group_key, group_key_length); - memcached_server_write_instance_st instance= memcached_server_instance_fetch(ptr, server_key); - - if (no_reply) + if (reply == false) { if(cmd == PROTOCOL_BINARY_CMD_DECREMENT) + { cmd= PROTOCOL_BINARY_CMD_DECREMENTQ; + } if(cmd == PROTOCOL_BINARY_CMD_INCREMENT) + { cmd= PROTOCOL_BINARY_CMD_INCREMENTQ; + } } protocol_binary_request_incr request= {}; // = {.bytes= {0}}; request.message.header.request.magic= PROTOCOL_BINARY_REQ; request.message.header.request.opcode= cmd; - request.message.header.request.keylen= htons((uint16_t)(key_length + memcached_array_size(ptr->_namespace))); + request.message.header.request.keylen= htons((uint16_t)(key_length + memcached_array_size(instance->root->_namespace))); request.message.header.request.extlen= 20; request.message.header.request.datatype= PROTOCOL_BINARY_RAW_BYTES; - request.message.header.request.bodylen= htonl((uint32_t)(key_length + memcached_array_size(ptr->_namespace) +request.message.header.request.extlen)); + request.message.header.request.bodylen= htonl((uint32_t)(key_length + memcached_array_size(instance->root->_namespace) +request.message.header.request.extlen)); request.message.body.delta= memcached_htonll(offset); request.message.body.initial= memcached_htonll(initial); request.message.body.expiration= htonl((uint32_t) expiration); - struct libmemcached_io_vector_st vector[]= + libmemcached_io_vector_st vector[]= { + { NULL, 0 }, { request.bytes, sizeof(request.bytes) }, - { memcached_array_string(ptr->_namespace), memcached_array_size(ptr->_namespace) }, + { memcached_array_string(instance->root->_namespace), memcached_array_size(instance->root->_namespace) }, { key, key_length } }; memcached_return_t rc; - if (memcached_failed(rc= memcached_vdo(instance, vector, 3, true))) + if (memcached_failed(rc= memcached_vdo(instance, vector, 4, true))) { memcached_io_reset(instance); - return (rc == MEMCACHED_SUCCESS) ? MEMCACHED_WRITE_FAILURE : rc; + return MEMCACHED_WRITE_FAILURE; } - if (no_reply) + if (reply == false) { return MEMCACHED_SUCCESS; } @@ -208,27 +172,33 @@ memcached_return_t memcached_increment_by_key(memcached_st *ptr, value= &local_value; } - if (memcached_failed(rc= initialize_query(ptr))) + if (memcached_failed(rc= initialize_query(ptr, true))) { return rc; } - if (memcached_failed(rc= memcached_validate_key_length(key_length, ptr->flags.binary_protocol))) + if (memcached_failed(rc= memcached_key_test(*ptr, (const char **)&key, &key_length, 1))) { return rc; } + uint32_t server_key= memcached_generate_hash_with_redistribution(ptr, group_key, group_key_length); + memcached_server_write_instance_st instance= memcached_server_instance_fetch(ptr, server_key); + + bool reply= memcached_is_replying(instance->root); + LIBMEMCACHED_MEMCACHED_INCREMENT_START(); - if (ptr->flags.binary_protocol) + if (memcached_is_binary(ptr)) { - rc= binary_incr_decr(ptr, PROTOCOL_BINARY_CMD_INCREMENT, - group_key, group_key_length, key, key_length, - (uint64_t)offset, 0, MEMCACHED_EXPIRATION_NOT_ADD, + rc= binary_incr_decr(instance, PROTOCOL_BINARY_CMD_INCREMENT, + key, key_length, + uint64_t(offset), 0, MEMCACHED_EXPIRATION_NOT_ADD, + reply, value); } else { - rc= text_incr_decr(ptr, true, group_key, group_key_length, key, key_length, offset, value); + rc= text_incr_decr(instance, true, key, key_length, offset, reply, *value); } LIBMEMCACHED_MEMCACHED_INCREMENT_END(); @@ -249,28 +219,34 @@ memcached_return_t memcached_decrement_by_key(memcached_st *ptr, } memcached_return_t rc; - if (memcached_failed(rc= initialize_query(ptr))) + if (memcached_failed(rc= initialize_query(ptr, true))) { return rc; } - if (memcached_failed(rc= memcached_validate_key_length(key_length, ptr->flags.binary_protocol))) + if (memcached_failed(rc= memcached_key_test(*ptr, (const char **)&key, &key_length, 1))) { return rc; } + uint32_t server_key= memcached_generate_hash_with_redistribution(ptr, group_key, group_key_length); + memcached_server_write_instance_st instance= memcached_server_instance_fetch(ptr, server_key); + + bool reply= memcached_is_replying(instance->root); + LIBMEMCACHED_MEMCACHED_DECREMENT_START(); - if (ptr->flags.binary_protocol) + if (memcached_is_binary(ptr)) { - rc= binary_incr_decr(ptr, PROTOCOL_BINARY_CMD_DECREMENT, - group_key, group_key_length, key, key_length, - (uint64_t)offset, 0, MEMCACHED_EXPIRATION_NOT_ADD, + rc= binary_incr_decr(instance, PROTOCOL_BINARY_CMD_DECREMENT, + key, key_length, + offset, 0, MEMCACHED_EXPIRATION_NOT_ADD, + reply, value); } else { - rc= text_incr_decr(ptr, false, group_key, group_key_length, key, key_length, offset, value); + rc= text_incr_decr(instance, false, key, key_length, offset, reply, *value); } LIBMEMCACHED_MEMCACHED_DECREMENT_END(); @@ -286,12 +262,6 @@ memcached_return_t memcached_increment_with_initial(memcached_st *ptr, time_t expiration, uint64_t *value) { - uint64_t local_value; - if (value == NULL) - { - value= &local_value; - } - return memcached_increment_with_initial_by_key(ptr, key, key_length, key, key_length, offset, initial, expiration, value); @@ -314,27 +284,34 @@ memcached_return_t memcached_increment_with_initial_by_key(memcached_st *ptr, } memcached_return_t rc; - if (memcached_failed(rc= initialize_query(ptr))) + if (memcached_failed(rc= initialize_query(ptr, true))) { return rc; } - if (memcached_failed(rc= memcached_validate_key_length(key_length, ptr->flags.binary_protocol))) + if (memcached_failed(rc= memcached_key_test(*ptr, (const char **)&key, &key_length, 1))) { return rc; } + uint32_t server_key= memcached_generate_hash_with_redistribution(ptr, group_key, group_key_length); + memcached_server_write_instance_st instance= memcached_server_instance_fetch(ptr, server_key); + + bool reply= memcached_is_replying(instance->root); + LIBMEMCACHED_MEMCACHED_INCREMENT_WITH_INITIAL_START(); - if (ptr->flags.binary_protocol) + if (memcached_is_binary(ptr)) { - rc= binary_incr_decr(ptr, PROTOCOL_BINARY_CMD_INCREMENT, - group_key, group_key_length, key, key_length, - offset, initial, (uint32_t)expiration, + rc= binary_incr_decr(instance, PROTOCOL_BINARY_CMD_INCREMENT, + key, key_length, + offset, initial, uint32_t(expiration), + reply, value); } else { - rc= MEMCACHED_PROTOCOL_ERROR; + rc= memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, + memcached_literal_param("memcached_increment_with_initial_by_key() is not supported via the ASCII protocol")); } LIBMEMCACHED_MEMCACHED_INCREMENT_WITH_INITIAL_END(); @@ -350,12 +327,6 @@ memcached_return_t memcached_decrement_with_initial(memcached_st *ptr, time_t expiration, uint64_t *value) { - uint64_t local_value; - if (value == NULL) - { - value= &local_value; - } - return memcached_decrement_with_initial_by_key(ptr, key, key_length, key, key_length, offset, initial, expiration, value); @@ -378,32 +349,38 @@ memcached_return_t memcached_decrement_with_initial_by_key(memcached_st *ptr, } memcached_return_t rc; - if (memcached_failed(rc= memcached_validate_key_length(key_length, ptr->flags.binary_protocol))) + if (memcached_failed(rc= initialize_query(ptr, true))) { return rc; } - if (memcached_failed(rc= initialize_query(ptr))) + if (memcached_failed(rc= memcached_key_test(*ptr, (const char **)&key, &key_length, 1))) { return rc; } + uint32_t server_key= memcached_generate_hash_with_redistribution(ptr, group_key, group_key_length); + memcached_server_write_instance_st instance= memcached_server_instance_fetch(ptr, server_key); + + bool reply= memcached_is_replying(instance->root); + LIBMEMCACHED_MEMCACHED_INCREMENT_WITH_INITIAL_START(); - if (ptr->flags.binary_protocol) + if (memcached_is_binary(ptr)) { - rc= binary_incr_decr(ptr, PROTOCOL_BINARY_CMD_DECREMENT, - group_key, group_key_length, key, key_length, - offset, initial, (uint32_t)expiration, + rc= binary_incr_decr(instance, PROTOCOL_BINARY_CMD_DECREMENT, + key, key_length, + offset, initial, uint32_t(expiration), + reply, value); } else { - rc= MEMCACHED_PROTOCOL_ERROR; + rc= memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, + memcached_literal_param("memcached_decrement_with_initial_by_key() is not supported via the ASCII protocol")); } LIBMEMCACHED_MEMCACHED_INCREMENT_WITH_INITIAL_END(); return rc; } -