/*
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Copyright (c) 2010-2018 Roger Light <roger@atchoo.org>
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All rights reserved. This program and the accompanying materials
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are made available under the terms of the Eclipse Public License v1.0
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and Eclipse Distribution License v1.0 which accompany this distribution.
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The Eclipse Public License is available at
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http://www.eclipse.org/legal/epl-v10.html
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and the Eclipse Distribution License is available at
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http://www.eclipse.org/org/documents/edl-v10.php.
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Contributors:
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Roger Light - initial implementation and documentation.
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*/
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#include "config.h"
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#ifdef WITH_PERSISTENCE
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#ifndef WIN32
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#include <arpa/inet.h>
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#endif
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#include <assert.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <time.h>
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#include "mosquitto_broker_internal.h"
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#include "memory_mosq.h"
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#include "persist.h"
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#include "packet_mosq.h"
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#include "property_mosq.h"
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#include "time_mosq.h"
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#include "util_mosq.h"
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int persist__chunk_cfg_write_v5(FILE *db_fptr, struct PF_cfg *chunk)
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{
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struct PF_header header;
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header.chunk = htonl(DB_CHUNK_CFG);
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header.length = htonl(sizeof(struct PF_cfg));
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write_e(db_fptr, &header, sizeof(struct PF_header));
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write_e(db_fptr, chunk, sizeof(struct PF_cfg));
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return MOSQ_ERR_SUCCESS;
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error:
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log__printf(NULL, MOSQ_LOG_ERR, "Error: %s.", strerror(errno));
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return 1;
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}
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int persist__chunk_client_write_v5(FILE *db_fptr, struct P_client *chunk)
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{
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struct PF_header header;
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uint16_t id_len = chunk->F.id_len;
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chunk->F.session_expiry_interval = htonl(chunk->F.session_expiry_interval);
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chunk->F.last_mid = htons(chunk->F.last_mid);
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chunk->F.id_len = htons(chunk->F.id_len);
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header.chunk = htonl(DB_CHUNK_CLIENT);
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header.length = htonl(sizeof(struct PF_client)+id_len);
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write_e(db_fptr, &header, sizeof(struct PF_header));
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write_e(db_fptr, &chunk->F, sizeof(struct PF_client));
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write_e(db_fptr, chunk->client_id, id_len);
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return MOSQ_ERR_SUCCESS;
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error:
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log__printf(NULL, MOSQ_LOG_ERR, "Error: %s.", strerror(errno));
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return 1;
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}
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int persist__chunk_client_msg_write_v5(FILE *db_fptr, struct P_client_msg *chunk)
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{
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struct PF_header header;
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struct mosquitto__packet prop_packet;
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uint16_t id_len = chunk->F.id_len;
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uint32_t proplen = 0;
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int rc;
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memset(&prop_packet, 0, sizeof(struct mosquitto__packet));
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if(chunk->properties){
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proplen = property__get_length_all(chunk->properties);
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proplen += packet__varint_bytes(proplen);
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}
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chunk->F.mid = htons(chunk->F.mid);
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chunk->F.id_len = htons(chunk->F.id_len);
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header.chunk = htonl(DB_CHUNK_CLIENT_MSG);
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header.length = htonl(sizeof(struct PF_client_msg) + id_len + proplen);
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write_e(db_fptr, &header, sizeof(struct PF_header));
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write_e(db_fptr, &chunk->F, sizeof(struct PF_client_msg));
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write_e(db_fptr, chunk->client_id, id_len);
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if(chunk->properties){
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if(proplen > 0){
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prop_packet.remaining_length = proplen;
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prop_packet.packet_length = proplen;
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prop_packet.payload = mosquitto__malloc(proplen);
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if(!prop_packet.payload){
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return MOSQ_ERR_NOMEM;
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}
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rc = property__write_all(&prop_packet, chunk->properties, true);
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if(rc) return rc;
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write_e(db_fptr, prop_packet.payload, proplen);
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mosquitto__free(prop_packet.payload);
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}
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}
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return MOSQ_ERR_SUCCESS;
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error:
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log__printf(NULL, MOSQ_LOG_ERR, "Error: %s.", strerror(errno));
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return 1;
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}
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int persist__chunk_message_store_write_v5(FILE *db_fptr, struct P_msg_store *chunk)
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{
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struct PF_header header;
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uint32_t payloadlen = chunk->F.payloadlen;
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uint16_t source_id_len = chunk->F.source_id_len;
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uint16_t source_username_len = chunk->F.source_username_len;
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uint16_t topic_len = chunk->F.topic_len;
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uint32_t proplen = 0;
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struct mosquitto__packet prop_packet;
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int rc;
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memset(&prop_packet, 0, sizeof(struct mosquitto__packet));
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if(chunk->properties){
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proplen = property__get_length_all(chunk->properties);
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proplen += packet__varint_bytes(proplen);
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}
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chunk->F.payloadlen = htonl(chunk->F.payloadlen);
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chunk->F.source_mid = htons(chunk->F.source_mid);
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chunk->F.source_id_len = htons(chunk->F.source_id_len);
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chunk->F.source_username_len = htons(chunk->F.source_username_len);
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chunk->F.topic_len = htons(chunk->F.topic_len);
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chunk->F.source_port = htons(chunk->F.source_port);
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header.chunk = htonl(DB_CHUNK_MSG_STORE);
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header.length = htonl(sizeof(struct PF_msg_store) +
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topic_len + payloadlen +
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source_id_len + source_username_len + proplen);
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write_e(db_fptr, &header, sizeof(struct PF_header));
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write_e(db_fptr, &chunk->F, sizeof(struct PF_msg_store));
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if(source_id_len){
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write_e(db_fptr, chunk->source.id, source_id_len);
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}
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if(source_username_len){
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write_e(db_fptr, chunk->source.username, source_username_len);
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}
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write_e(db_fptr, chunk->topic, topic_len);
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if(payloadlen){
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write_e(db_fptr, UHPA_ACCESS(chunk->payload, payloadlen), (unsigned int)payloadlen);
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}
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if(chunk->properties){
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if(proplen > 0){
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prop_packet.remaining_length = proplen;
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prop_packet.packet_length = proplen;
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prop_packet.payload = mosquitto__malloc(proplen);
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if(!prop_packet.payload){
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return MOSQ_ERR_NOMEM;
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}
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rc = property__write_all(&prop_packet, chunk->properties, true);
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if(rc) return rc;
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write_e(db_fptr, prop_packet.payload, proplen);
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mosquitto__free(prop_packet.payload);
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}
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}
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return MOSQ_ERR_SUCCESS;
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error:
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log__printf(NULL, MOSQ_LOG_ERR, "Error: %s.", strerror(errno));
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mosquitto__free(prop_packet.payload);
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return 1;
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}
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int persist__chunk_retain_write_v5(FILE *db_fptr, struct P_retain *chunk)
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{
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struct PF_header header;
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header.chunk = htonl(DB_CHUNK_RETAIN);
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header.length = htonl(sizeof(struct PF_retain));
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write_e(db_fptr, &header, sizeof(struct PF_header));
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write_e(db_fptr, &chunk->F, sizeof(struct PF_retain));
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return MOSQ_ERR_SUCCESS;
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error:
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log__printf(NULL, MOSQ_LOG_ERR, "Error: %s.", strerror(errno));
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return 1;
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}
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int persist__chunk_sub_write_v5(FILE *db_fptr, struct P_sub *chunk)
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{
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struct PF_header header;
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uint16_t id_len = chunk->F.id_len;
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uint16_t topic_len = chunk->F.topic_len;
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chunk->F.identifier = htonl(chunk->F.identifier);
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chunk->F.id_len = htons(chunk->F.id_len);
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chunk->F.topic_len = htons(chunk->F.topic_len);
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header.chunk = htonl(DB_CHUNK_SUB);
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header.length = htonl(sizeof(struct PF_sub) +
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id_len + topic_len);
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write_e(db_fptr, &header, sizeof(struct PF_header));
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write_e(db_fptr, &chunk->F, sizeof(struct PF_sub));
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write_e(db_fptr, chunk->client_id, id_len);
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write_e(db_fptr, chunk->topic, topic_len);
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return MOSQ_ERR_SUCCESS;
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error:
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log__printf(NULL, MOSQ_LOG_ERR, "Error: %s.", strerror(errno));
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return 1;
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}
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#endif
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