void masterconn_metachanges_log(masterconn *eptr,const uint8_t *data,uint32_t length) {
char line[1024];
uint64_t version;
if (length==1 && data[0]==0x55) {
fs_storeall(1);
return;
}
if (length<10) {
syslog(LOG_NOTICE,"MATOML_METACHANGES_LOG - wrong size (%"PRIu32"/9+data)",length);
eptr->mode = KILL;
return;
}
if (data[0]!=0xFF) {
syslog(LOG_NOTICE,"MATOML_METACHANGES_LOG - wrong packet");
eptr->mode = KILL;
return;
}
if (data[length-1]!='\0') {
syslog(LOG_NOTICE,"MATOML_METACHANGES_LOG - invalid string");
eptr->mode = KILL;
return;
}
data++;
version = get64bit(&data);
if (version<currentlogversion) {
syslog(LOG_WARNING, "get old change: %"PRIu64":%"PRIu64", ignore",currentlogversion,version-1);
return;
}
if (currentlogversion>0 && version>currentlogversion) {
syslog(LOG_WARNING, "some changes lost: [%"PRIu64"-%"PRIu64"], download metadata again",currentlogversion,version-1);
masterconn_metadownloadinit();
return;
}
if (version == fs_getversion()) {
changelog(version, "%s", (const char*)data);
currentlogversion = version+1;
sprintf(line, ": %s\n", data);
if (restore_line("(live changelog)", version, line)!=STATUS_OK) {
syslog(LOG_WARNING, "replay change log failed: version=%"PRIu64", download metadata again",version);
masterconn_metadownloadinit();
} else if (fs_getversion() != version+1) {
syslog(LOG_WARNING, "restored version not match: %"PRIu64"!=%"PRIu64", download metadata again",fs_getversion(),version+1);
masterconn_metadownloadinit();
}
} else {
syslog(LOG_WARNING, "version not match: %"PRIu64"!=%"PRIu64", download metadata again",fs_getversion(),version);
masterconn_metadownloadinit();
}
}
void masterconn_connected(masterconn *eptr) {
tcpnodelay(eptr->sock);
eptr->mode=HEADER;
eptr->inputpacket.next = NULL;
eptr->inputpacket.bytesleft = 8;
eptr->inputpacket.startptr = eptr->hdrbuff;
eptr->inputpacket.packet = NULL;
eptr->outputhead = NULL;
eptr->outputtail = &(eptr->outputhead);
masterconn_sendregister(eptr);
masterconn_metadownloadinit();
eptr->lastread = eptr->lastwrite = main_time();
}
//confirm sync thread is ready to transfer metadata
void masterconn_sync_thread(serventry *eptr,const uint8_t *data,uint32_t length) {
uint8_t flag;
//serventry *weptr;
NOT_USED(length);
flag = get8bit(&data);
MFSLOG(LOG_NOTICE,"the masterconn_sync_thread flag is %d",flag);
if (flag == 1) {
masterconn_metadownloadinit();
} else if (flag == 2) {
masterconn_changelog0downloadinit();
} else if (flag == 3) {
masterconn_changelog_ready(eptr);
} else {
MFSLOG(LOG_NOTICE,"MATOSLA_SYNC_THREAD:unrecognize flag");
}
}
void masterconn_connected(masterconn *eptr) {
double now;
now = monotonic_seconds();
tcpnodelay(eptr->sock);
eptr->mode = DATA;
eptr->lastread = now;
eptr->lastwrite = now;
eptr->input_bytesleft = 8;
eptr->input_startptr = eptr->input_hdr;
eptr->input_end = 0;
eptr->input_packet = NULL;
eptr->inputhead = NULL;
eptr->inputtail = &(eptr->inputhead);
eptr->outputhead = NULL;
eptr->outputtail = &(eptr->outputhead);
masterconn_sendregister(eptr);
if (lastlogversion==0) {
masterconn_metadownloadinit();
}
}