X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;ds=sidebyside;f=libmemcached%2Fmemcached_auto.c;h=787ef6875213b57147566ef60dae26308e8ea390;hb=287801be4c5cae39d48cab3a0f4c8235d3ae363d;hp=c847f9369e095391696cde34b66b8147021ac6bc;hpb=948eeb667c78f158f769de8cc418e44e81048dc2;p=m6w6%2Flibmemcached diff --git a/libmemcached/memcached_auto.c b/libmemcached/memcached_auto.c index c847f936..787ef687 100644 --- a/libmemcached/memcached_auto.c +++ b/libmemcached/memcached_auto.c @@ -10,9 +10,7 @@ static memcached_return memcached_auto(memcached_st *ptr, memcached_return rc; char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE]; unsigned int server_key; - - unlikely (key_length == 0) - return MEMCACHED_NO_KEY_PROVIDED; + bool no_reply= (ptr->flags & MEM_NOREPLY); unlikely (ptr->hosts == NULL || ptr->number_of_hosts == 0) return MEMCACHED_NO_SERVERS; @@ -23,15 +21,15 @@ static memcached_return memcached_auto(memcached_st *ptr, server_key= memcached_generate_hash(ptr, key, key_length); send_length= snprintf(buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, - "%s %s%.*s %u\r\n", verb, + "%s %s%.*s %u%s\r\n", verb, ptr->prefix_key, (int)key_length, key, - offset); + offset, no_reply ? " noreply" : ""); unlikely (send_length >= MEMCACHED_DEFAULT_COMMAND_SIZE) return MEMCACHED_WRITE_FAILURE; rc= memcached_do(&ptr->hosts[server_key], buffer, send_length, 1); - if (rc != MEMCACHED_SUCCESS) + if (no_reply || rc != MEMCACHED_SUCCESS) return rc; rc= memcached_response(&ptr->hosts[server_key], buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, NULL); @@ -62,15 +60,65 @@ static memcached_return memcached_auto(memcached_st *ptr, return rc; } +static memcached_return binary_incr_decr(memcached_st *ptr, uint8_t cmd, + const char *key, size_t key_length, + uint32_t offset, uint64_t *value) +{ + unsigned int server_key; + bool no_reply= (ptr->flags & MEM_NOREPLY); + + unlikely (ptr->hosts == NULL || ptr->number_of_hosts == 0) + return MEMCACHED_NO_SERVERS; + + server_key= memcached_generate_hash(ptr, key, key_length); + + if (no_reply) + { + 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); + request.message.header.request.extlen= 20; + request.message.header.request.datatype= PROTOCOL_BINARY_RAW_BYTES; + request.message.header.request.bodylen= htonl(key_length + request.message.header.request.extlen); + request.message.body.delta= htonll(offset); + + /* TODO: The binary protocol allows you to specify initial and expiry time */ + if ((memcached_do(&ptr->hosts[server_key], request.bytes, + sizeof(request.bytes), 0)!=MEMCACHED_SUCCESS) || + (memcached_io_write(&ptr->hosts[server_key], key, key_length, 1) == -1)) + { + memcached_io_reset(&ptr->hosts[server_key]); + return MEMCACHED_WRITE_FAILURE; + } + + if (no_reply) + return MEMCACHED_SUCCESS; + return memcached_response(&ptr->hosts[server_key], (char*)value, sizeof(*value), NULL); +} + memcached_return memcached_increment(memcached_st *ptr, const char *key, size_t key_length, uint32_t offset, uint64_t *value) { - memcached_return rc; + memcached_return rc= memcached_validate_key_length(key_length, ptr->flags & MEM_BINARY_PROTOCOL); + unlikely (rc != MEMCACHED_SUCCESS) + return rc; LIBMEMCACHED_MEMCACHED_INCREMENT_START(); - rc= memcached_auto(ptr, "incr", key, key_length, offset, value); + if (ptr->flags & MEM_BINARY_PROTOCOL) + rc= binary_incr_decr(ptr, PROTOCOL_BINARY_CMD_INCREMENT, key, + key_length, offset, value); + else + rc= memcached_auto(ptr, "incr", key, key_length, offset, value); + LIBMEMCACHED_MEMCACHED_INCREMENT_END(); return rc; @@ -81,10 +129,17 @@ memcached_return memcached_decrement(memcached_st *ptr, uint32_t offset, uint64_t *value) { - memcached_return rc; + memcached_return rc= memcached_validate_key_length(key_length, ptr->flags & MEM_BINARY_PROTOCOL); + unlikely (rc != MEMCACHED_SUCCESS) + return rc; LIBMEMCACHED_MEMCACHED_DECREMENT_START(); - rc= memcached_auto(ptr, "decr", key, key_length, offset, value); + if (ptr->flags & MEM_BINARY_PROTOCOL) + rc= binary_incr_decr(ptr, PROTOCOL_BINARY_CMD_DECREMENT, key, + key_length, offset, value); + else + rc= memcached_auto(ptr, "decr", key, key_length, offset, value); + LIBMEMCACHED_MEMCACHED_DECREMENT_END(); return rc;