mirror of
https://github.com/eclipse/mosquitto.git
synced 2025-05-08 08:40:13 +08:00
db_dump: use objects to simplify printing (#215)
Prepratory work for providing more filtering of the output dump. This makes _no_ difference to the current behaviour, but makes it much simpler for people who "need", for whatever reason, to hack some private changes into the db_dump tool. Signed-off-by: Karl Palsson <karlp@etactica.com>
This commit is contained in:
Karl Palsson
Roger Light
parent
41a1b51c31
commit
374c62586e
@ -53,6 +53,39 @@ struct msg_store_chunk
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uint32_t length;
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};
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struct db_sub
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{
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char *client_id;
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char *topic;
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uint8_t qos;
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};
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struct db_client
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{
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char *client_id;
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uint16_t last_mid;
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time_t disconnect_t;
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};
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struct db_client_msg
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{
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char *client_id;
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uint8_t qos, retain, direction, state, dup;
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dbid_t store_id;
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uint16_t mid;
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};
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struct db_msg
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{
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dbid_t store_id;
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uint32_t payloadlen;
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uint16_t source_mid, mid;
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uint8_t qos, retain;
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uint8_t *payload;
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char *source_id;
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char *topic;
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};
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static uint32_t db_version;
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static int stats = 0;
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static int client_stats = 0;
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@ -61,12 +94,110 @@ static int do_print = 1;
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struct client_chunk *clients_by_id = NULL;
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struct msg_store_chunk *msgs_by_id = NULL;
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static int db__client_chunk_restore(struct mosquitto_db *db, FILE *db_fd)
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static void
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free__db_sub(struct db_sub *sub)
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{
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uint16_t i16temp, slen, last_mid;
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char *client_id = NULL;
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if (sub->client_id) {
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free(sub->client_id);
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}
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if (sub->topic) {
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free(sub->topic);
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}
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}
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static void
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free__db_client(struct db_client *client)
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{
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if (client->client_id) {
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free(client->client_id);
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}
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}
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static void
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free__db_client_msg(struct db_client_msg *msg)
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{
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if (msg->client_id) {
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free(msg->client_id);
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}
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}
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static void
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free__db_msg(struct db_msg *msg)
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{
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if (msg->source_id) {
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free(msg->source_id);
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}
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if (msg->topic) {
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free(msg->topic);
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}
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if (msg->payload) {
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free(msg->payload);
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}
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}
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static void
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print_db_client(struct db_client *client, int length)
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{
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printf("DB_CHUNK_CLIENT:\n");
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printf("\tLength: %d\n", length);
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printf("\tClient ID: %s\n", client->client_id);
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printf("\tLast MID: %d\n", client->last_mid);
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printf("\tDisconnect time: %ld\n", client->disconnect_t);
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}
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static void
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print_db_client_msg(struct db_client_msg *msg, int length)
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{
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printf("DB_CHUNK_CLIENT_MSG:\n");
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printf("\tLength: %d\n", length);
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printf("\tClient ID: %s\n", msg->client_id);
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printf("\tStore ID: %" PRIu64 "\n", msg->store_id);
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printf("\tMID: %d\n", msg->mid);
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printf("\tQoS: %d\n", msg->qos);
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printf("\tRetain: %d\n", msg->retain);
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printf("\tDirection: %d\n", msg->direction);
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printf("\tState: %d\n", msg->state);
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printf("\tDup: %d\n", msg->dup);
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}
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static void
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print_db_sub(struct db_sub *sub, int length)
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{
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printf("DB_CHUNK_SUB:\n");
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printf("\tLength: %d\n", length);
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printf("\tClient ID: %s\n", sub->client_id);
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printf("\tTopic: %s\n", sub->topic);
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printf("\tQoS: %d\n", sub->qos);
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}
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static void
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print_db_msg(struct db_msg *msg, int length)
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{
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printf("DB_CHUNK_MSG_STORE:\n");
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printf("\tLength: %d\n", length);
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printf("\tStore ID: %" PRIu64 "\n", msg->store_id);
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printf("\tSource ID: %s\n", msg->source_id);
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printf("\tSource MID: %d\n", msg->source_mid);
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printf("\tMID: %d\n", msg->mid);
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printf("\tTopic: %s\n", msg->topic);
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printf("\tQoS: %d\n", msg->qos);
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printf("\tRetain: %d\n", msg->retain);
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printf("\tPayload Length: %d\n", msg->payloadlen);
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bool binary = false;
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for(int i=0; i<msg->payloadlen; i++){
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if(msg->payload[i] == 0) binary = true;
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}
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if(binary == false && msg->payloadlen<256){
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printf("\tPayload: %s\n", msg->payload);
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}
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}
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static int db__client_chunk_restore(struct mosquitto_db *db, FILE *db_fd, struct db_client *client)
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{
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uint16_t i16temp, slen;
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int rc = 0;
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time_t disconnect_t;
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struct client_chunk *cc;
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read_e(db_fd, &i16temp, sizeof(uint16_t));
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@ -76,24 +207,21 @@ static int db__client_chunk_restore(struct mosquitto_db *db, FILE *db_fd)
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fclose(db_fd);
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return 1;
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}
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client_id = calloc(slen+1, sizeof(char));
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if(!client_id){
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client->client_id = calloc(slen+1, sizeof(char));
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if(!client->client_id){
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fclose(db_fd);
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fprintf(stderr, "Error: Out of memory.");
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return 1;
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}
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read_e(db_fd, client_id, slen);
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if(do_print) printf("\tClient ID: %s\n", client_id);
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read_e(db_fd, client->client_id, slen);
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read_e(db_fd, &i16temp, sizeof(uint16_t));
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last_mid = ntohs(i16temp);
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if(do_print) printf("\tLast MID: %d\n", last_mid);
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client->last_mid = ntohs(i16temp);
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if(db_version == 2){
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disconnect_t = time(NULL);
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client->disconnect_t = time(NULL);
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}else{
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read_e(db_fd, &disconnect_t, sizeof(time_t));
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if(do_print) printf("\tDisconnect time: %ld\n", disconnect_t);
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read_e(db_fd, &client->disconnect_t, sizeof(time_t));
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}
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if(client_stats){
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@ -102,26 +230,22 @@ static int db__client_chunk_restore(struct mosquitto_db *db, FILE *db_fd)
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errno = ENOMEM;
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goto error;
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}
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cc->id = client_id;
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cc->id = strdup(client->client_id);
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HASH_ADD_KEYPTR(hh_id, clients_by_id, cc->id, strlen(cc->id), cc);
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}else{
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free(client_id);
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}
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return rc;
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error:
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fprintf(stderr, "Error: %s.", strerror(errno));
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if(db_fd) fclose(db_fd);
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free(client_id);
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free(client->client_id);
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return 1;
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}
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static int db__client_msg_chunk_restore(struct mosquitto_db *db, FILE *db_fd, uint32_t length)
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static int db__client_msg_chunk_restore(struct mosquitto_db *db, FILE *db_fd, uint32_t length, struct db_client_msg *msg)
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{
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dbid_t i64temp, store_id;
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uint16_t i16temp, slen, mid;
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uint8_t qos, retain, direction, state, dup;
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char *client_id = NULL;
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dbid_t i64temp;
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uint16_t i16temp, slen;
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struct client_chunk *cc;
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struct msg_store_chunk *msc;
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@ -132,160 +256,127 @@ static int db__client_msg_chunk_restore(struct mosquitto_db *db, FILE *db_fd, ui
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fclose(db_fd);
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return 1;
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}
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client_id = calloc(slen+1, sizeof(char));
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if(!client_id){
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msg->client_id = calloc(slen+1, sizeof(char));
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if(!msg->client_id){
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fclose(db_fd);
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fprintf(stderr, "Error: Out of memory.");
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return 1;
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}
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read_e(db_fd, client_id, slen);
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if(do_print) printf("\tClient ID: %s\n", client_id);
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read_e(db_fd, msg->client_id, slen);
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read_e(db_fd, &i64temp, sizeof(dbid_t));
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store_id = i64temp;
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if(do_print) printf("\tStore ID: %" PRIu64 "\n", store_id);
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msg->store_id = i64temp;
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read_e(db_fd, &i16temp, sizeof(uint16_t));
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mid = ntohs(i16temp);
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if(do_print) printf("\tMID: %d\n", mid);
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msg->mid = ntohs(i16temp);
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read_e(db_fd, &qos, sizeof(uint8_t));
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if(do_print) printf("\tQoS: %d\n", qos);
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read_e(db_fd, &retain, sizeof(uint8_t));
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if(do_print) printf("\tRetain: %d\n", retain);
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read_e(db_fd, &direction, sizeof(uint8_t));
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if(do_print) printf("\tDirection: %d\n", direction);
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read_e(db_fd, &state, sizeof(uint8_t));
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if(do_print) printf("\tState: %d\n", state);
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read_e(db_fd, &dup, sizeof(uint8_t));
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if(do_print) printf("\tDup: %d\n", dup);
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read_e(db_fd, &msg->qos, sizeof(uint8_t));
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read_e(db_fd, &msg->retain, sizeof(uint8_t));
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read_e(db_fd, &msg->direction, sizeof(uint8_t));
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read_e(db_fd, &msg->state, sizeof(uint8_t));
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read_e(db_fd, &msg->dup, sizeof(uint8_t));
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if(client_stats){
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HASH_FIND(hh_id, clients_by_id, client_id, strlen(client_id), cc);
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HASH_FIND(hh_id, clients_by_id, msg->client_id, strlen(msg->client_id), cc);
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if(cc){
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cc->messages++;
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cc->message_size += length;
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HASH_FIND(hh, msgs_by_id, &store_id, sizeof(dbid_t), msc);
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HASH_FIND(hh, msgs_by_id, &msg->store_id, sizeof(dbid_t), msc);
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if(msc){
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cc->message_size += msc->length;
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}
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}
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}
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free(client_id);
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return 0;
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error:
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fprintf(stderr, "Error: %s.", strerror(errno));
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if(db_fd) fclose(db_fd);
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free(client_id);
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free(msg->client_id);
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return 1;
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}
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static int db__msg_store_chunk_restore(struct mosquitto_db *db, FILE *db_fd, uint32_t length)
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static int db__msg_store_chunk_restore(struct mosquitto_db *db, FILE *db_fd, uint32_t length, struct db_msg *msg)
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{
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dbid_t i64temp, store_id;
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uint32_t i32temp, payloadlen;
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uint16_t i16temp, slen, source_mid, mid;
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uint8_t qos, retain, *payload = NULL;
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char *source_id = NULL;
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char *topic = NULL;
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dbid_t i64temp;
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uint32_t i32temp;
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uint16_t i16temp, slen;
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int rc = 0;
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bool binary;
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int i;
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struct msg_store_chunk *mcs;
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read_e(db_fd, &i64temp, sizeof(dbid_t));
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store_id = i64temp;
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if(do_print) printf("\tStore ID: %" PRIu64 "\n", store_id);
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msg->store_id = i64temp;
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read_e(db_fd, &i16temp, sizeof(uint16_t));
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slen = ntohs(i16temp);
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if(slen){
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source_id = calloc(slen+1, sizeof(char));
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if(!source_id){
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msg->source_id = calloc(slen+1, sizeof(char));
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if(!msg->source_id){
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fclose(db_fd);
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fprintf(stderr, "Error: Out of memory.");
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return 1;
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}
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if(fread(source_id, 1, slen, db_fd) != slen){
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if(fread(msg->source_id, 1, slen, db_fd) != slen){
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fprintf(stderr, "Error: %s.", strerror(errno));
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fclose(db_fd);
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free(source_id);
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free(msg->source_id);
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return 1;
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}
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if(do_print) printf("\tSource ID: %s\n", source_id);
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free(source_id);
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}
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read_e(db_fd, &i16temp, sizeof(uint16_t));
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source_mid = ntohs(i16temp);
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if(do_print) printf("\tSource MID: %d\n", source_mid);
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msg->source_mid = ntohs(i16temp);
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read_e(db_fd, &i16temp, sizeof(uint16_t));
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mid = ntohs(i16temp);
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if(do_print) printf("\tMID: %d\n", mid);
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msg->mid = ntohs(i16temp);
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read_e(db_fd, &i16temp, sizeof(uint16_t));
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slen = ntohs(i16temp);
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if(slen){
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topic = calloc(slen+1, sizeof(char));
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if(!topic){
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msg->topic = calloc(slen+1, sizeof(char));
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if(!msg->topic){
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fclose(db_fd);
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free(source_id);
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free(msg->source_id);
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fprintf(stderr, "Error: Out of memory.");
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return 1;
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}
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if(fread(topic, 1, slen, db_fd) != slen){
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if(fread(msg->topic, 1, slen, db_fd) != slen){
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fprintf(stderr, "Error: %s.", strerror(errno));
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fclose(db_fd);
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free(source_id);
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free(topic);
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free(msg->source_id);
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free(msg->topic);
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return 1;
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}
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if(do_print) printf("\tTopic: %s\n", topic);
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free(topic);
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}else{
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fprintf(stderr, "Error: Invalid msg_store chunk when restoring persistent database.");
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fclose(db_fd);
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free(source_id);
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free(msg->source_id);
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return 1;
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}
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read_e(db_fd, &qos, sizeof(uint8_t));
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if(do_print) printf("\tQoS: %d\n", qos);
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read_e(db_fd, &retain, sizeof(uint8_t));
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if(do_print) printf("\tRetain: %d\n", retain);
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read_e(db_fd, &msg->qos, sizeof(uint8_t));
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read_e(db_fd, &msg->retain, sizeof(uint8_t));
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read_e(db_fd, &i32temp, sizeof(uint32_t));
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payloadlen = ntohl(i32temp);
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if(do_print) printf("\tPayload Length: %d\n", payloadlen);
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msg->payloadlen = ntohl(i32temp);
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if(payloadlen){
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payload = malloc(payloadlen+1);
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if(!payload){
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if(msg->payloadlen){
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msg->payload = malloc(msg->payloadlen+1);
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if(!msg->payload){
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fclose(db_fd);
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free(source_id);
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free(topic);
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free(msg->source_id);
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free(msg->topic);
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fprintf(stderr, "Error: Out of memory.");
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return 1;
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}
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memset(payload, 0, payloadlen+1);
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if(fread(payload, 1, payloadlen, db_fd) != payloadlen){
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memset(msg->payload, 0, msg->payloadlen+1);
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if(fread(msg->payload, 1, msg->payloadlen, db_fd) != msg->payloadlen){
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fprintf(stderr, "Error: %s.", strerror(errno));
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fclose(db_fd);
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free(source_id);
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free(topic);
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free(payload);
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free(msg->source_id);
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free(msg->topic);
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free(msg->payload);
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return 1;
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}
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binary = false;
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for(i=0; i<payloadlen; i++){
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if(payload[i] == 0) binary = true;
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}
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if(binary == false && payloadlen<256){
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if(do_print) printf("\tPayload: %s\n", payload);
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}
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free(payload);
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}
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if(client_stats){
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@ -294,17 +385,17 @@ static int db__msg_store_chunk_restore(struct mosquitto_db *db, FILE *db_fd, uin
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errno = ENOMEM;
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goto error;
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}
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mcs->store_id = store_id;
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mcs->store_id = msg->store_id;
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mcs->length = length;
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HASH_ADD(hh, msgs_by_id, store_id, sizeof(dbid_t), mcs);
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HASH_ADD(hh, msgs_by_id, store_id, sizeof(dbid_t), mcs);
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}
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return rc;
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error:
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fprintf(stderr, "Error: %s.", strerror(errno));
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if(db_fd) fclose(db_fd);
|
||||
free(source_id);
|
||||
free(topic);
|
||||
free(msg->source_id);
|
||||
free(msg->topic);
|
||||
return 1;
|
||||
}
|
||||
|
||||
@ -322,50 +413,41 @@ static int db__retain_chunk_restore(struct mosquitto_db *db, FILE *db_fd)
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int db__sub_chunk_restore(struct mosquitto_db *db, FILE *db_fd, uint32_t length)
|
||||
static int db__sub_chunk_restore(struct mosquitto_db *db, FILE *db_fd, uint32_t length, struct db_sub *sub)
|
||||
{
|
||||
uint16_t i16temp, slen;
|
||||
uint8_t qos;
|
||||
char *client_id;
|
||||
char *topic;
|
||||
int rc = 0;
|
||||
struct client_chunk *cc;
|
||||
|
||||
read_e(db_fd, &i16temp, sizeof(uint16_t));
|
||||
slen = ntohs(i16temp);
|
||||
client_id = calloc(slen+1, sizeof(char));
|
||||
if(!client_id){
|
||||
sub->client_id = calloc(slen+1, sizeof(char));
|
||||
if(!sub->client_id){
|
||||
fclose(db_fd);
|
||||
fprintf(stderr, "Error: Out of memory.");
|
||||
return 1;
|
||||
}
|
||||
read_e(db_fd, client_id, slen);
|
||||
if(do_print) printf("\tClient ID: %s\n", client_id);
|
||||
read_e(db_fd, sub->client_id, slen);
|
||||
read_e(db_fd, &i16temp, sizeof(uint16_t));
|
||||
slen = ntohs(i16temp);
|
||||
topic = calloc(slen+1, sizeof(char));
|
||||
if(!topic){
|
||||
sub->topic = calloc(slen+1, sizeof(char));
|
||||
if(!sub->topic){
|
||||
fclose(db_fd);
|
||||
fprintf(stderr, "Error: Out of memory.");
|
||||
free(client_id);
|
||||
free(sub->client_id);
|
||||
return 1;
|
||||
}
|
||||
read_e(db_fd, topic, slen);
|
||||
if(do_print) printf("\tTopic: %s\n", topic);
|
||||
read_e(db_fd, &qos, sizeof(uint8_t));
|
||||
if(do_print) printf("\tQoS: %d\n", qos);
|
||||
read_e(db_fd, sub->topic, slen);
|
||||
read_e(db_fd, &sub->qos, sizeof(uint8_t));
|
||||
|
||||
if(client_stats){
|
||||
HASH_FIND(hh_id, clients_by_id, client_id, strlen(client_id), cc);
|
||||
HASH_FIND(hh_id, clients_by_id, sub->client_id, strlen(sub->client_id), cc);
|
||||
if(cc){
|
||||
cc->subscriptions++;
|
||||
cc->subscription_size += length;
|
||||
}
|
||||
}
|
||||
|
||||
free(client_id);
|
||||
free(topic);
|
||||
|
||||
return rc;
|
||||
error:
|
||||
fprintf(stderr, "Error: %s.", strerror(errno));
|
||||
@ -446,16 +528,22 @@ int main(int argc, char *argv[])
|
||||
|
||||
case DB_CHUNK_MSG_STORE:
|
||||
msg_store_count++;
|
||||
if(do_print) printf("DB_CHUNK_MSG_STORE:\n");
|
||||
if(do_print) printf("\tLength: %d\n", length);
|
||||
if(db__msg_store_chunk_restore(&db, fd, length)) return 1;
|
||||
struct db_msg msg = {0};
|
||||
if(db__msg_store_chunk_restore(&db, fd, length, &msg)) return 1;
|
||||
if(do_print) {
|
||||
print_db_msg(&msg, length);
|
||||
}
|
||||
free__db_msg(&msg);
|
||||
break;
|
||||
|
||||
case DB_CHUNK_CLIENT_MSG:
|
||||
client_msg_count++;
|
||||
if(do_print) printf("DB_CHUNK_CLIENT_MSG:\n");
|
||||
if(do_print) printf("\tLength: %d\n", length);
|
||||
if(db__client_msg_chunk_restore(&db, fd, length)) return 1;
|
||||
struct db_client_msg cmsg = {0};
|
||||
if(db__client_msg_chunk_restore(&db, fd, length, &cmsg)) return 1;
|
||||
if(do_print) {
|
||||
print_db_client_msg(&cmsg, length);
|
||||
}
|
||||
free__db_client_msg(&cmsg);
|
||||
break;
|
||||
|
||||
case DB_CHUNK_RETAIN:
|
||||
@ -467,16 +555,22 @@ int main(int argc, char *argv[])
|
||||
|
||||
case DB_CHUNK_SUB:
|
||||
sub_count++;
|
||||
if(do_print) printf("DB_CHUNK_SUB:\n");
|
||||
if(do_print) printf("\tLength: %d\n", length);
|
||||
if(db__sub_chunk_restore(&db, fd, length)) return 1;
|
||||
struct db_sub sub = {0};
|
||||
if(db__sub_chunk_restore(&db, fd, length, &sub)) return 1;
|
||||
if(do_print) {
|
||||
print_db_sub(&sub, length);
|
||||
}
|
||||
free__db_sub(&sub);
|
||||
break;
|
||||
|
||||
case DB_CHUNK_CLIENT:
|
||||
client_count++;
|
||||
if(do_print) printf("DB_CHUNK_CLIENT:\n");
|
||||
if(do_print) printf("\tLength: %d\n", length);
|
||||
if(db__client_chunk_restore(&db, fd)) return 1;
|
||||
struct db_client client = {0};
|
||||
if(db__client_chunk_restore(&db, fd, &client)) return 1;
|
||||
if(do_print) {
|
||||
print_db_client(&client, length);
|
||||
}
|
||||
free__db_client(&client);
|
||||
break;
|
||||
|
||||
default:
|
||||
@ -506,6 +600,7 @@ int main(int argc, char *argv[])
|
||||
HASH_ITER(hh_id, clients_by_id, cc, cc_tmp){
|
||||
printf("SC: %d SS: %d MC: %d MS: %ld ", cc->subscriptions, cc->subscription_size, cc->messages, cc->message_size);
|
||||
printf("%s\n", cc->id);
|
||||
free(cc->id);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user