X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Fmemcached_get.c;h=a01beee62e954f57235466c05bf9ce885207595f;hb=4c88db14024912f86c1628f6bd8a05f9a6c5559b;hp=670b2550b52c9ece3c99854e112f7c03f6dde647;hpb=f5ab8b680b985876d432c051f9dc2c65a5698803;p=m6w6%2Flibmemcached diff --git a/libmemcached/memcached_get.c b/libmemcached/memcached_get.c index 670b2550..a01beee6 100644 --- a/libmemcached/memcached_get.c +++ b/libmemcached/memcached_get.c @@ -102,6 +102,11 @@ memcached_return memcached_mget(memcached_st *ptr, return memcached_mget_by_key(ptr, NULL, 0, keys, key_length, number_of_keys); } +static memcached_return binary_mget_by_key(memcached_st *ptr, + unsigned int master_server_key, + char **keys, size_t *key_length, + unsigned int number_of_keys); + memcached_return memcached_mget_by_key(memcached_st *ptr, const char *master_key, size_t master_key_length, @@ -159,6 +164,10 @@ memcached_return memcached_mget_by_key(memcached_st *ptr, (void)memcached_response(&ptr->hosts[x], buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, &ptr->result); } } + + if (ptr->flags & MEM_BINARY_PROTOCOL) + return binary_mget_by_key(ptr, master_server_key, keys, + key_length, number_of_keys); /* If a server fails we warn about errors and start all over with sending keys @@ -234,3 +243,91 @@ memcached_return memcached_mget_by_key(memcached_st *ptr, LIBMEMCACHED_MEMCACHED_MGET_END(); return rc; } + +static memcached_return binary_mget_by_key(memcached_st *ptr, + unsigned int master_server_key, + char **keys, size_t *key_length, + unsigned int number_of_keys) +{ + memcached_return rc= MEMCACHED_NOTFOUND; + int x; + + int flush= number_of_keys == 1; + + /* + If a server fails we warn about errors and start all over with sending keys + to the server. + */ + for (x= 0; x < number_of_keys; x++) + { + unsigned int server_key; + + if (master_server_key) + server_key= master_server_key; + else + server_key= memcached_generate_hash(ptr, keys[x], key_length[x]); + + if (memcached_server_response_count(&ptr->hosts[server_key]) == 0) + { + rc= memcached_connect(&ptr->hosts[server_key]); + if (rc != MEMCACHED_SUCCESS) + continue; + } + + protocol_binary_request_getk request= {.bytes= {0}}; + request.message.header.request.magic= PROTOCOL_BINARY_REQ; + if (number_of_keys == 1) + request.message.header.request.opcode= PROTOCOL_BINARY_CMD_GETK; + else + request.message.header.request.opcode= PROTOCOL_BINARY_CMD_GETKQ; + + request.message.header.request.keylen= htons((uint16_t)key_length[x]); + request.message.header.request.datatype= PROTOCOL_BINARY_RAW_BYTES; + request.message.header.request.bodylen= htonl(key_length[x]); + + if ((memcached_io_write(&ptr->hosts[server_key], request.bytes, + sizeof(request.bytes), 0) == -1) || + (memcached_io_write(&ptr->hosts[server_key], keys[x], + key_length[x], flush) == -1)) + { + memcached_server_response_reset(&ptr->hosts[server_key]); + rc= MEMCACHED_SOME_ERRORS; + continue; + } + memcached_server_response_increment(&ptr->hosts[server_key]); + } + + if (number_of_keys > 1) + { + /* + * Send a noop command to flush the buffers + */ + protocol_binary_request_noop request= {.bytes= {0}}; + request.message.header.request.magic= PROTOCOL_BINARY_REQ; + request.message.header.request.opcode= PROTOCOL_BINARY_CMD_NOOP; + request.message.header.request.datatype= PROTOCOL_BINARY_RAW_BYTES; + + for (x= 0; x < ptr->number_of_hosts; x++) + if (memcached_server_response_count(&ptr->hosts[x])) + { + if (memcached_io_write(&ptr->hosts[x], NULL, 0, 1) == -1) + { + memcached_server_response_reset(&ptr->hosts[x]); + memcached_io_reset(&ptr->hosts[x]); + rc= MEMCACHED_SOME_ERRORS; + } + + if (memcached_io_write(&ptr->hosts[x], request.bytes, + sizeof(request.bytes), 1) == -1) + { + memcached_server_response_reset(&ptr->hosts[x]); + memcached_io_reset(&ptr->hosts[x]); + rc= MEMCACHED_SOME_ERRORS; + } + memcached_server_response_increment(&ptr->hosts[x]); + } + } + + + return rc; +}