X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Fflush.cc;h=989555e2f968625f2a47600ead8099eeda26273a;hb=b5a4a113c48e7899223de67cfe043b886a1736ac;hp=9eb17c655a5a4b462943e8da920c7bd6c8647640;hpb=e978a2d4f1880157358f710e042863dd3ad6e9a3;p=m6w6%2Flibmemcached diff --git a/libmemcached/flush.cc b/libmemcached/flush.cc index 9eb17c65..989555e2 100644 --- a/libmemcached/flush.cc +++ b/libmemcached/flush.cc @@ -37,66 +37,97 @@ #include static memcached_return_t memcached_flush_binary(memcached_st *ptr, - time_t expiration); -static memcached_return_t memcached_flush_textual(memcached_st *ptr, - time_t expiration); - -memcached_return_t memcached_flush(memcached_st *ptr, time_t expiration) + time_t expiration, + const bool reply) { - memcached_return_t rc; - if (memcached_failed(rc= initialize_query(ptr))) - { - return rc; - } + protocol_binary_request_flush request= {}; - LIBMEMCACHED_MEMCACHED_FLUSH_START(); - if (ptr->flags.binary_protocol) + request.message.header.request.magic= (uint8_t)PROTOCOL_BINARY_REQ; + request.message.header.request.opcode= PROTOCOL_BINARY_CMD_FLUSH; + request.message.header.request.extlen= 4; + request.message.header.request.datatype= PROTOCOL_BINARY_RAW_BYTES; + request.message.header.request.bodylen= htonl(request.message.header.request.extlen); + request.message.body.expiration= htonl((uint32_t) expiration); + + memcached_return_t rc= MEMCACHED_SUCCESS; + + for (uint32_t x= 0; x < memcached_server_count(ptr); x++) { - rc= memcached_flush_binary(ptr, expiration); + memcached_server_write_instance_st instance= memcached_server_instance_fetch(ptr, x); + + if (reply) + { + request.message.header.request.opcode= PROTOCOL_BINARY_CMD_FLUSH; + } + else + { + request.message.header.request.opcode= PROTOCOL_BINARY_CMD_FLUSHQ; + } + + libmemcached_io_vector_st vector[]= + { + { NULL, 0 }, + { request.bytes, sizeof(request.bytes) } + }; + + memcached_return_t rrc; + if (memcached_failed(rrc= memcached_vdo(instance, vector, 2, true))) + { + if (instance->error_messages == NULL or instance->root->error_messages == NULL) + { + memcached_set_error(*instance, rrc, MEMCACHED_AT); + } + memcached_io_reset(instance); + rc= MEMCACHED_SOME_ERRORS; + } } - else + + for (uint32_t x= 0; x < memcached_server_count(ptr); x++) { - rc= memcached_flush_textual(ptr, expiration); + memcached_server_write_instance_st instance= memcached_server_instance_fetch(ptr, x); + + if (memcached_server_response_count(instance) > 0) + { + (void)memcached_response(instance, NULL, 0, NULL); + } } - LIBMEMCACHED_MEMCACHED_FLUSH_END(); return rc; } static memcached_return_t memcached_flush_textual(memcached_st *ptr, - time_t expiration) + time_t expiration, + const bool reply) { - // Invert the logic to make it simpler to read the code - bool reply= (ptr->flags.no_reply) ? false : true; - - char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE]; + char buffer[MEMCACHED_MAXIMUM_INTEGER_DISPLAY_LENGTH +1]; int send_length= 0; if (expiration) { send_length= snprintf(buffer, sizeof(buffer), "%llu", (unsigned long long)expiration); } - if (send_length >= MEMCACHED_DEFAULT_COMMAND_SIZE or 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, memcached_literal_param("snprintf(MEMCACHED_DEFAULT_COMMAND_SIZE)")); } - struct libmemcached_io_vector_st vector[]= - { - { memcached_literal_param("flush_all ") }, - { buffer, send_length }, - { " noreply", reply ? 0 : memcached_literal_param_size(" noreply") }, - { memcached_literal_param("\r\n") } - }; - 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_return_t rrc= memcached_vdo(instance, vector, 4, true); - if (rrc == MEMCACHED_SUCCESS and reply == true) + libmemcached_io_vector_st vector[]= + { + { NULL, 0 }, + { memcached_literal_param("flush_all ") }, + { buffer, size_t(send_length) }, + { " noreply", reply ? 0 : memcached_literal_param_size(" noreply") }, + { memcached_literal_param("\r\n") } + }; + + memcached_return_t rrc= memcached_vdo(instance, vector, 5, true); + if (memcached_success(rrc) and reply == true) { char response_buffer[MEMCACHED_DEFAULT_COMMAND_SIZE]; rrc= memcached_response(instance, response_buffer, sizeof(response_buffer), NULL); @@ -105,7 +136,7 @@ static memcached_return_t memcached_flush_textual(memcached_st *ptr, if (memcached_failed(rrc)) { // If an error has already been reported, then don't add to it - if (instance->error_messages == NULL) + if (instance->error_messages == NULL or instance->root->error_messages == NULL) { memcached_set_error(*instance, rrc, MEMCACHED_AT); } @@ -116,51 +147,26 @@ static memcached_return_t memcached_flush_textual(memcached_st *ptr, return rc; } -static memcached_return_t memcached_flush_binary(memcached_st *ptr, - time_t expiration) +memcached_return_t memcached_flush(memcached_st *ptr, time_t expiration) { - protocol_binary_request_flush request= {}; - - request.message.header.request.magic= (uint8_t)PROTOCOL_BINARY_REQ; - request.message.header.request.opcode= PROTOCOL_BINARY_CMD_FLUSH; - request.message.header.request.extlen= 4; - request.message.header.request.datatype= PROTOCOL_BINARY_RAW_BYTES; - request.message.header.request.bodylen= htonl(request.message.header.request.extlen); - request.message.body.expiration= htonl((uint32_t) expiration); - - memcached_return_t rc= MEMCACHED_SUCCESS; - - for (uint32_t x= 0; x < memcached_server_count(ptr); x++) + memcached_return_t rc; + if (memcached_failed(rc= initialize_query(ptr, true))) { - memcached_server_write_instance_st instance= memcached_server_instance_fetch(ptr, x); + return rc; + } - if (ptr->flags.no_reply) - { - request.message.header.request.opcode= PROTOCOL_BINARY_CMD_FLUSHQ; - } - else - { - request.message.header.request.opcode= PROTOCOL_BINARY_CMD_FLUSH; - } + bool reply= memcached_is_replying(ptr); - memcached_return_t rrc; - if ((rrc= memcached_do(instance, request.bytes, sizeof(request.bytes), true))) - { - memcached_set_error(*instance, rrc, MEMCACHED_AT); - memcached_io_reset(instance); - rc= MEMCACHED_SOME_ERRORS; - } + LIBMEMCACHED_MEMCACHED_FLUSH_START(); + if (memcached_is_binary(ptr)) + { + rc= memcached_flush_binary(ptr, expiration, reply); } - - for (uint32_t x= 0; x < memcached_server_count(ptr); x++) + else { - memcached_server_write_instance_st instance= memcached_server_instance_fetch(ptr, x); - - if (memcached_server_response_count(instance) > 0) - { - (void)memcached_response(instance, NULL, 0, NULL); - } + rc= memcached_flush_textual(ptr, expiration, reply); } + LIBMEMCACHED_MEMCACHED_FLUSH_END(); return rc; }