/**
* Called from the main memcached code to initialize zookeeper code.
*/
bool mc_zookeeper_init() {
//
// Initialize Zookeeper stuff
//
switch (settings.verbose) {
case 0:
zoo_set_debug_level(ZOO_LOG_LEVEL_WARN);
break;
case 1:
zoo_set_debug_level(ZOO_LOG_LEVEL_INFO);
break;
default:
zoo_set_debug_level(ZOO_LOG_LEVEL_DEBUG);
break;
}
// enable deterministic order
zoo_deterministic_conn_order(1);
// Build the name of the announcement name and the path on the zookeeper service
bool result = true;
result &= build_announcement_info();
result &= build_announcement_content();
LOG_DEBUG(("Init called,%s starting zookeeper!", result ? "" : "not "));
return result;
}
static VALUE method_zkrb_init(int argc, VALUE* argv, VALUE self) {
VALUE hostPort;
VALUE options;
rb_scan_args(argc, argv, "11", &hostPort, &options);
if (NIL_P(options)) {
options = rb_hash_new();
} else {
Check_Type(options, T_HASH);
}
Check_Type(hostPort, T_STRING);
// Look up :zkc_log_level
VALUE log_level = rb_hash_aref(options, ID2SYM(rb_intern("zkc_log_level")));
if (NIL_P(log_level)) {
zoo_set_debug_level(0); // no log messages
} else {
Check_Type(log_level, T_FIXNUM);
zoo_set_debug_level((int)log_level);
}
VALUE data;
struct zkrb_instance_data *zk_local_ctx;
data = Data_Make_Struct(Zookeeper, struct zkrb_instance_data, 0, free_zkrb_instance_data, zk_local_ctx);
zk_local_ctx->queue = zkrb_queue_alloc();
if (zk_local_ctx->queue == NULL)
rb_raise(rb_eRuntimeError, "could not allocate zkrb queue!");
zoo_deterministic_conn_order(0);
zkrb_calling_context *ctx =
zkrb_calling_context_alloc(ZKRB_GLOBAL_REQ, zk_local_ctx->queue);
zk_local_ctx->object_id = FIX2LONG(rb_obj_id(self));
zk_local_ctx->zh =
zookeeper_init(
RSTRING_PTR(hostPort),
zkrb_state_callback,
session_timeout_msec(self),
&zk_local_ctx->myid,
ctx,
0);
#warning [wickman] TODO handle this properly on the Ruby side rather than C side
if (!zk_local_ctx->zh) {
rb_raise(rb_eRuntimeError, "error connecting to zookeeper: %d", errno);
}
rb_iv_set(self, "@_data", data);
rb_funcall(self, rb_intern("zkc_set_running_and_notify!"), 0);
error:
return Qnil;
}
ZooKeeperSessionManager::ZooKeeperSessionManager( const std::string& host, int connectionTimeout, int sessionExpirationTimeout, int deterministicConnectionOrder ) :
m_host( host ),
m_connectionTimeout( connectionTimeout ),
m_expirationTimeout( sessionExpirationTimeout ),
m_deterministicConnectionOrder( deterministicConnectionOrder ),
m_handle( nullptr ),
m_isInitialized( false )
{
zoo_deterministic_conn_order( deterministicConnectionOrder );
}
int main(int argc, char **argv) {
int nodeCount;
int cleaning=0;
if (argc < 4) {
usage(argv);
}
if(strcmp("clean",argv[3])==0){
cleaning=1;
}
zoo_set_debug_level(ZOO_LOG_LEVEL_INFO);
zoo_deterministic_conn_order(1); // enable deterministic order
zh = zookeeper_init(argv[1], listener, 10000, 0, 0, 0);
if (!zh)
return errno;
LOG_INFO(LOGSTREAM, "Checking server connection...");
ensureConnected();
if(cleaning==1){
int rc = 0;
deletedCounter=0;
rc=recursiveDelete(argv[2]);
if(rc==ZOK){
LOG_INFO(LOGSTREAM, "Successfully deleted a subtree starting at %s (%d nodes)",
argv[2],deletedCounter);
exit(0);
}
exit(1);
}
nodeCount=atoi(argv[3]);
createRoot(argv[2]);
while(1) {
ensureConnected();
LOG_INFO(LOGSTREAM, "Creating children for path %s",argv[2]);
doCreateNodes(argv[2],nodeCount);
waitCounter();
LOG_INFO(LOGSTREAM, "Starting the write cycle for path %s",argv[2]);
doWrites(argv[2],nodeCount);
waitCounter();
LOG_INFO(LOGSTREAM, "Starting the read cycle for path %s",argv[2]);
doReads(argv[2],nodeCount);
waitCounter();
LOG_INFO(LOGSTREAM, "Starting the delete cycle for path %s",argv[2]);
doDeletes(argv[2],nodeCount);
waitCounter();
}
zookeeper_close(zh);
return 0;
}
void ZKClient::Init() {
zkaction_responses_ = new PCQueue();
auto zkaction_response_cb = [this](EventLoop::Status status) {
this->OnZkActionResponse(status);
};
if (pipe(pipers_) < 0) {
LOG(FATAL) << "Pipe failed in ZKClient";
}
sp_int32 flags;
if ((flags = fcntl(pipers_[0], F_GETFL, 0)) < 0 ||
fcntl(pipers_[0], F_SETFL, flags | O_NONBLOCK) < 0 ||
eventLoop_->registerForRead(pipers_[0], std::move(zkaction_response_cb), true) != 0) {
LOG(FATAL) << "fcntl failed in ZKClient";
}
zoo_deterministic_conn_order(0); // even distribution of clients on the server
InitZKHandle();
}
static VALUE method_initialize(VALUE self, VALUE hostPort) {
VALUE data;
struct zk_rb_data* zk = NULL;
Check_Type(hostPort, T_STRING);
data = Data_Make_Struct(ZooKeeper, struct zk_rb_data, 0, free_zk_rb_data, zk);
zoo_set_debug_level(ZOO_LOG_LEVEL_INFO);
zoo_deterministic_conn_order(0);
zk->zh = zookeeper_init(RSTRING(hostPort)->ptr, watcher, 10000, &zk->myid, (void*)self, 0);
if (!zk->zh) {
rb_raise(rb_eRuntimeError, "error connecting to zookeeper: %d", errno);
}
rb_iv_set(self, "@data", data);
return Qnil;
}
int main(int argc, char *argv[]) {
char zkServers[100] = "127.0.0.1:2181";
zoo_set_debug_level(ZOO_LOG_LEVEL_WARN);
zoo_deterministic_conn_order(1);
zh = zookeeper_init(zkServers, watcher, 60000, &zkClientId, 0, 0);
if (!zh) {
printf("ZK Init error(%s)\n", zkServers);
return 0;
}
while (true) {
sleep(1);
if (completeZkInit == 1) {
break;
}
}
char resultPath[1024] = {0,};
int resultLength;
zoo_create(zh, "/test", "", 0, &ZOO_OPEN_ACL_UNSAFE, 0, resultPath, 1024);
//watchctx_t ctxWC;
Stat zooStat;
int result = zoo_exists(zh, "/test", 1, &zooStat);
if (result == ZOK) {
printf("node exists\n");
}
String_vector children;
zoo_get_children(zh, "/test", 1, &children);
zoo_create(zh, "/test/sub01", "", 0, &ZOO_OPEN_ACL_UNSAFE, ZOO_EPHEMERAL, resultPath, 1024);
zoo_create(zh, "/test/sub02", "", 0, &ZOO_OPEN_ACL_UNSAFE, ZOO_EPHEMERAL, resultPath, 1024);
zoo_delete(zh, "/test", -1);
while(1) {
sleep(20);
}
}
int main(int argc, char **argv) {
#ifndef THREADED
fd_set rfds, wfds, efds;
int processed=0;
#endif
char buffer[4096];
char p[2048];
#ifdef YCA
char *cert=0;
char appId[64];
#endif
int bufoff = 0;
FILE *fh;
if (argc < 2) {
fprintf(stderr,
"USAGE %s zookeeper_host_list [clientid_file|cmd:(ls|ls2|create|od|...)]\n",
argv[0]);
fprintf(stderr,
"Version: ZooKeeper cli (c client) version %d.%d.%d\n",
ZOO_MAJOR_VERSION,
ZOO_MINOR_VERSION,
ZOO_PATCH_VERSION);
return 2;
}
if (argc > 2) {
if(strncmp("cmd:",argv[2],4)==0){
size_t cmdlen = strlen(argv[2]);
if (cmdlen > sizeof(cmd)) {
fprintf(stderr,
"Command length %zu exceeds max length of %zu\n",
cmdlen,
sizeof(cmd));
return 2;
}
strncpy(cmd, argv[2]+4, sizeof(cmd));
batchMode=1;
fprintf(stderr,"Batch mode: %s\n",cmd);
}else{
clientIdFile = argv[2];
fh = fopen(clientIdFile, "r");
if (fh) {
if (fread(&myid, sizeof(myid), 1, fh) != sizeof(myid)) {
memset(&myid, 0, sizeof(myid));
}
fclose(fh);
}
}
}
#ifdef YCA
strcpy(appId,"yahoo.example.yca_test");
cert = yca_get_cert_once(appId);
if(cert!=0) {
fprintf(stderr,"Certificate for appid [%s] is [%s]\n",appId,cert);
strncpy(p,cert,sizeof(p)-1);
free(cert);
} else {
fprintf(stderr,"Certificate for appid [%s] not found\n",appId);
strcpy(p,"dummy");
}
#else
strcpy(p, "dummy");
#endif
verbose = 0;
zoo_set_debug_level(ZOO_LOG_LEVEL_WARN);
zoo_deterministic_conn_order(1); // enable deterministic order
hostPort = argv[1];
zh = zookeeper_init(hostPort, watcher, 30000, &myid, 0, 0);
if (!zh) {
return errno;
}
#ifdef YCA
if(zoo_add_auth(zh,"yca",p,strlen(p),0,0)!=ZOK)
return 2;
#endif
#ifdef THREADED
while(!shutdownThisThing) {
int rc;
int len = sizeof(buffer) - bufoff -1;
if (len <= 0) {
fprintf(stderr, "Can't handle lines that long!\n");
exit(2);
}
rc = read(0, buffer+bufoff, len);
if (rc <= 0) {
fprintf(stderr, "bye\n");
shutdownThisThing=1;
break;
}
bufoff += rc;
buffer[bufoff] = '\0';
while (strchr(buffer, '\n')) {
char *ptr = strchr(buffer, '\n');
*ptr = '\0';
processline(buffer);
ptr++;
memmove(buffer, ptr, strlen(ptr)+1);
bufoff = 0;
}
}
#else
FD_ZERO(&rfds);
FD_ZERO(&wfds);
FD_ZERO(&efds);
while (!shutdownThisThing) {
int fd;
int interest;
int events;
struct timeval tv;
int rc;
zookeeper_interest(zh, &fd, &interest, &tv);
if (fd != -1) {
if (interest&ZOOKEEPER_READ) {
FD_SET(fd, &rfds);
} else {
FD_CLR(fd, &rfds);
}
if (interest&ZOOKEEPER_WRITE) {
FD_SET(fd, &wfds);
} else {
FD_CLR(fd, &wfds);
}
} else {
fd = 0;
}
FD_SET(0, &rfds);
rc = select(fd+1, &rfds, &wfds, &efds, &tv);
events = 0;
if (rc > 0) {
if (FD_ISSET(fd, &rfds)) {
events |= ZOOKEEPER_READ;
}
if (FD_ISSET(fd, &wfds)) {
events |= ZOOKEEPER_WRITE;
}
}
if(batchMode && processed==0){
//batch mode
processline(cmd);
processed=1;
}
if (FD_ISSET(0, &rfds)) {
int rc;
int len = sizeof(buffer) - bufoff -1;
if (len <= 0) {
fprintf(stderr, "Can't handle lines that long!\n");
exit(2);
}
rc = read(0, buffer+bufoff, len);
if (rc <= 0) {
fprintf(stderr, "bye\n");
break;
}
bufoff += rc;
buffer[bufoff] = '\0';
while (strchr(buffer, '\n')) {
char *ptr = strchr(buffer, '\n');
*ptr = '\0';
processline(buffer);
ptr++;
memmove(buffer, ptr, strlen(ptr)+1);
bufoff = 0;
}
}
zookeeper_process(zh, events);
}
#endif
if (to_send!=0)
fprintf(stderr,"Recvd %d responses for %d requests sent\n",recvd,sent);
zookeeper_close(zh);
return 0;
}
int main(int argc, char *argv[])
{
int rc;
int fd;
int interest;
int events;
struct timeval tv;
fd_set rfds, wfds, efds;
if (argc != 2) {
fprintf(stderr, "USAGE: %s host:port\n", argv[0]);
exit(1);
}
FD_ZERO(&rfds);
FD_ZERO(&wfds);
FD_ZERO(&efds);
zoo_set_debug_level(ZOO_LOG_LEVEL_INFO);
zoo_deterministic_conn_order(1);
hostPort = argv[1];
zh = zookeeper_init(hostPort, watcher, 30000, &myid, 0, 0);
if (!zh) {
return errno;
}
while (1) {
zookeeper_interest(zh, &fd, &interest, &tv);
usleep(10);
if (connected == 1) {
struct String_vector str;
usleep(10);
// watch existence of the node
rc = zoo_wget_children(zh, "/testpath1",
watchchildren , mycontext, &str);
if (ZOK != rc){
printf("Problems %d\n", rc);
} else {
int i = 0;
while (i < str.count) {
printf("Children %s\n", str.data[i++]);
}
if (str.count) {
deallocate_String_vector(&str);
}
}
connected++;
}
if (fd != -1) {
if (interest & ZOOKEEPER_READ) {
FD_SET(fd, &rfds);
} else {
FD_CLR(fd, &rfds);
}
if (interest & ZOOKEEPER_WRITE) {
FD_SET(fd, &wfds);
} else {
FD_CLR(fd, &wfds);
}
} else {
fd = 0;
}
FD_SET(0, &rfds);
rc = select(fd+1, &rfds, &wfds, &efds, &tv);
events = 0;
if (rc > 0) {
if (FD_ISSET(fd, &rfds)) {
events |= ZOOKEEPER_READ;
}
if (FD_ISSET(fd, &wfds)) {
events |= ZOOKEEPER_WRITE;
}
}
zookeeper_process(zh, events);
}
return 0;
}
int main(int argc, char *argv[], char *envp[])
{
INITSRVRTRC
CEE_status sts = CEE_SUCCESS;
SRVR_INIT_PARAM_Def initParam;
DWORD processId;
char tmpString[128];
char tmpString2[32];
char tmpString3[512];
CEECFG_Transport transport;
CEECFG_TcpPortNumber portNumber;
BOOL retcode;
IDL_OBJECT_def srvrObjRef;
CEECFG_TcpProcessName TcpProcessName;
int TransportTrace = 0;
CALL_COMP_DOVERS(ndcs,argc,argv);
try
{
regZnodeName[0] = '\x0';
zkHost[0] = '\x0';
zkRootNode[0] = '\x0';
// Initialize seabed
int sbResult;
char buffer[FILENAME_MAX] = {0};
bzero(buffer, sizeof(buffer));
sbResult = file_init_attach(&argc, &argv, true, buffer);
if(sbResult != XZFIL_ERR_OK){
exit(3);
}
sbResult = file_mon_process_startup(true);
if(sbResult != XZFIL_ERR_OK){
exit(3);
}
msg_mon_enable_mon_messages(true);
}
catch(SB_Fatal_Excep sbfe)
{
exit(3);
}
sigset_t newset, oldset;
sigemptyset(&newset);
sigaddset(&newset,SIGQUIT);
sigaddset(&newset,SIGTERM);
sigprocmask(SIG_BLOCK,&newset,&oldset);
processId = GetCurrentProcessId();
retcode = getInitParamSrvr(argc, argv, initParam, tmpString, tmpString3);
retcode = TRUE;
mxosrvr_init_seabed_trace_dll();
atexit(mxosrvr_atexit_function);
// +++ Todo: Duplicating calls here. Should try to persist in srvrGlobal
MS_Mon_Process_Info_Type proc_info;
msg_mon_get_process_info_detail(NULL, &proc_info);
myNid = proc_info.nid;
myPid = proc_info.pid;
myProcName = proc_info.process_name;
char logNameSuffix[32];
sprintf( logNameSuffix, "_%d_%d.log", myNid, myPid );
CommonLogger::instance().initLog4cxx("log4cxx.trafodion.masterexe.config", logNameSuffix);
if(retcode == FALSE )
{
//LCOV_EXCL_START
SendEventMsg( MSG_SET_SRVR_CONTEXT_FAILED,
EVENTLOG_ERROR_TYPE,
processId,
ODBCMX_SERVER,
srvrObjRef,
2,
tmpString,
tmpString3);
exit(0);
//LCOV_EXCL_STOP
}
GTransport.initialize();
if(GTransport.error != 0 )
{
//LCOV_EXCL_START
SendEventMsg( MSG_SET_SRVR_CONTEXT_FAILED,
EVENTLOG_ERROR_TYPE,
processId,
ODBCMX_SERVER,
srvrObjRef,
1,
GTransport.error_message);
exit(0);
//LCOV_EXCL_STOP
}
chdir(GTransport.myPathname);
initParam.srvrType = CORE_SRVR;
//LCOV_EXCL_START
if (initParam.debugFlag & SRVR_DEBUG_BREAK)
{
volatile int done = 0;
while (!done) {
sleep(10);
}
}
//LCOV_EXCL_STOP
char zkErrStr[2048];
stringstream zk_ip_port;
// zoo_set_debug_level(ZOO_LOG_LEVEL_DEBUG);
if( zkHost[0] == '\x0' && regZnodeName[0] == '\x0' )
{
sprintf(zkErrStr, "***** Cannot get Zookeeper properties or registered znode info from startup params");
SendEventMsg( MSG_SET_SRVR_CONTEXT_FAILED,
EVENTLOG_ERROR_TYPE,
processId,
ODBCMX_SERVER,
srvrObjRef,
1,
zkErrStr);
// exit(1);
}
else
{
zk_ip_port << zkHost;
sprintf(zkErrStr, "zk_ip_port is: %s", zk_ip_port.str().c_str());
SendEventMsg(MSG_SERVER_TRACE_INFO, EVENTLOG_INFORMATION_TYPE,
processId, ODBCMX_SERVER,
srvrObjRef, 1, zkErrStr);
}
if (initParam.debugFlag & SRVR_DEBUG_BREAK)
zkSessionTimeout = 600;
zoo_deterministic_conn_order(1); // enable deterministic order
zh = zookeeper_init(zk_ip_port.str().c_str(), watcher, zkSessionTimeout * 1000, &myid, 0, 0);
if (zh == 0){
sprintf(zkErrStr, "***** zookeeper_init() failed for host:port %s",zk_ip_port.str().c_str());
SendEventMsg( MSG_SET_SRVR_CONTEXT_FAILED,
EVENTLOG_ERROR_TYPE,
processId,
ODBCMX_SERVER,
srvrObjRef,
1,
zkErrStr);
// exit(1);
}
bool found = false;
int rc;
stringstream ss;
ss.str("");
ss << zkRootNode << "/dcs/master";
string dcsMaster(ss.str());
Stat stat;
int startPortNum = 0, portRangeNum;
char masterHostName[MAX_HOST_NAME_LEN];
char startPort[12], portRange[12], masterTS[24];
struct String_vector children;
children.count = 0;
children.data = NULL;
// Get the instance ID from registered node
char *tkn;
char tmpStr[256];
strcpy( tmpStr, regZnodeName );
tkn = strtok(tmpStr, ":" );
if(tkn!=NULL)
strcpy(hostname,tkn);
tkn = strtok(NULL, ":" );
if( tkn != NULL )
strcpy( instanceId, tkn );
tkn = strtok(NULL, ":" );
if( tkn != NULL )
strcpy( childId, tkn );
else
; // +++ Todo handle error
while(!found)
{
rc = zoo_exists(zh, dcsMaster.c_str(), 0, &stat);
if( rc == ZNONODE )
continue;
else
if( rc == ZOK )
{
rc = zoo_get_children(zh, dcsMaster.c_str(), 0, &children);
if( children.count > 0 )
{
char zknodeName[2048];
strcpy(zknodeName, children.data[0]);
tkn = strtok(zknodeName, ":" );
if( tkn != NULL )
strcpy( masterHostName, tkn );
tkn = strtok(NULL, ":" );
if( tkn != NULL ) {
strcpy( startPort, tkn );
startPortNum = atoi(tkn);
}
tkn = strtok(NULL, ":" );
if( tkn != NULL ) {
strcpy( portRange, tkn );
portRangeNum = atoi(tkn);
}
tkn = strtok(NULL, ":" );
if( tkn != NULL )
strcpy( masterTS, tkn );
free_String_vector(&children);
found = true;
}
else
continue;
}
else // error
{
sprintf(zkErrStr, "***** zoo_exists() for %s failed with error %d",dcsMaster.c_str(), rc);
SendEventMsg( MSG_SET_SRVR_CONTEXT_FAILED,
EVENTLOG_ERROR_TYPE,
processId,
ODBCMX_SERVER,
srvrObjRef,
1,
zkErrStr);
break;
}
}
// Initialize initparam to defaults
initParam.transport = CEE_TRANSPORT_TCP; // -T 3
initParam.majorVersion = 3; // -V 3
// Will need to remove $ZTC0 and NonStopODBC from below
sprintf( initParam.asSrvrObjRef, "TCP:$ZTC0/%s:NonStopODBC", startPort); // -A TCP:$ZTC0/52500:NonStopODBC
// Will need to remove this after we get rid off all existing AS related processing
sprintf( initParam.ASProcessName, "$MXOAS" ); // -AS $MXOAS
// Will need to remove this after we get rid off all existing WMS related processing
sprintf( initParam.QSProcessName, "$ZWMGR" ); // -QS $ZWMGR
// moved this here from begining of the function
BUILD_OBJECTREF(initParam.asSrvrObjRef, srvrObjRef, "NonStopODBC", initParam.portNumber);
ss.str("");
ss << zkRootNode << "/dcs/servers/registered";
string dcsRegistered(ss.str());
char realpath[1024];
bool zk_error = false;
if( found )
{
sprintf(zkErrStr, "Found master node in Zookeeper");
SendEventMsg(MSG_SERVER_TRACE_INFO, EVENTLOG_INFORMATION_TYPE,
processId, ODBCMX_SERVER,
srvrObjRef, 1, zkErrStr);
found = false;
while(!found)
{
rc = zoo_exists(zh, dcsRegistered.c_str(), 0, &stat);
if( rc == ZNONODE )
continue;
else
if( rc == ZOK )
{
int i;
//This section is the original port finding mechanism.
//All servers (the herd) start looking for any available port
//between starting port number+2 through port range max.
//This is mainly for backward compatability for DcsServers
//that don't pass PORTMAPTOSECS and PORTBINDTOSECS param
if(portMapToSecs == -1 && portBindToSecs == -1) {
for(i = startPortNum+2; i < startPortNum+portRangeNum; i++) {
if (GTransport.m_listener->verifyPortAvailable("SRVR", i))
break;
}
if( i == startPortNum+portRangeNum )
{
zk_error = true;
sprintf(zkErrStr, "***** No ports free");
break;
}
} else {
//This section is for new port map params, PORTMAPTOSECS and PORTBINDTOSECS,
//passed in by DcsServer. DcsMaster writes the port map to data portion of
//<username>/dcs/servers/registered znode. Wait PORTMAPTOSECS for port map
//to appear in registered znode. When it appears read it and scan looking for
//match of instance and child Id.
long retryTimeout = 500;//.5 second
long long timeout = JULIANTIMESTAMP();
bool isPortsMapped = false;
char *zkData = new char[1000000];
int zkDataLen = 1000000;
while(! isPortsMapped) {
memset(zkData,0,1000000);
rc = zoo_get(zh, dcsRegistered.c_str(), false, zkData, &zkDataLen, &stat);
if( rc == ZOK && zkDataLen > 0 ) {
sprintf(zkErrStr, "DCS port map = %s", zkData);
SendEventMsg(MSG_SERVER_TRACE_INFO, EVENTLOG_INFORMATION_TYPE,
processId, ODBCMX_SERVER,
srvrObjRef, 1, zkErrStr);
int myInstanceId = atoi(instanceId);
int myChildId = atoi(childId);
sprintf(zkErrStr, "Searching for my id (%d:%d) in port map",myInstanceId,myChildId);
SendEventMsg(MSG_SERVER_TRACE_INFO, EVENTLOG_INFORMATION_TYPE,
processId, ODBCMX_SERVER,
srvrObjRef, 1, zkErrStr);
char portMapInstanceId[8];
char portMapChildId[8];
char portMapPortNum[8];
char* saveptr;
char* token = strtok_r (zkData,":",&saveptr);
while (token != NULL)
{
if( token != NULL )//instance Id
strcpy( portMapInstanceId, token );
token = strtok_r(NULL, ":",&saveptr);
if( token != NULL )//child id
strcpy( portMapChildId, token );
token = strtok_r(NULL, ":",&saveptr);
if( token != NULL )//port number
strcpy( portMapPortNum, token );
int currPortMapInstanceId = atoi(portMapInstanceId);
int currPortMapChildId = atoi(portMapChildId);
int currPortMapPortNum = atoi(portMapPortNum);
if(myInstanceId == currPortMapInstanceId && myChildId == currPortMapChildId) {
i = currPortMapPortNum;
sprintf(zkErrStr, "Found my port number = %d in port map", i);
SendEventMsg(MSG_SERVER_TRACE_INFO, EVENTLOG_INFORMATION_TYPE,
processId, ODBCMX_SERVER,
srvrObjRef, 1, zkErrStr);
break;
} else {
token = strtok_r (NULL, ":",&saveptr);
}
}
timeout = JULIANTIMESTAMP();
bool isAvailable = false;
while ( isAvailable == false ) {
if (GTransport.m_listener->verifyPortAvailable("SRVR", i)) {
isAvailable = true;
} else {
if((JULIANTIMESTAMP() - timeout) > (portBindToSecs * 1000000)) {
sprintf(zkErrStr, "Port bind timeout...exiting");
zk_error = true;
break;
} else {
sprintf(zkErrStr, "Port = %d is already in use...retrying", i);
SendEventMsg(MSG_SERVER_TRACE_INFO, EVENTLOG_INFORMATION_TYPE,
processId, ODBCMX_SERVER,
srvrObjRef, 1, zkErrStr);
DELAY(retryTimeout);
}
}
}
isPortsMapped = true;
} else {
if((JULIANTIMESTAMP() - timeout) > (portMapToSecs * 1000000)) {
sprintf(zkErrStr, "Port map read timeout...exiting");
zk_error = true;
break;
} else {
sprintf(zkErrStr, "Waiting for port map");
SendEventMsg(MSG_SERVER_TRACE_INFO, EVENTLOG_INFORMATION_TYPE,
processId, ODBCMX_SERVER,
srvrObjRef, 1, zkErrStr);
DELAY(retryTimeout);
rc = zoo_exists(zh, dcsRegistered.c_str(), 0, &stat);
}
}
}
delete[] zkData;
}
initParam.portNumber = i;
stringstream newpath;
newpath.str("");
newpath << dcsRegistered.c_str() << "/" << regZnodeName;
// dcsRegisteredNode.str("");
// dcsRegisteredNode << dcsRegistered.c_str() << "/" << regZnodeName;
dcsRegisteredNode = newpath.str();
ss.str("");
ss << myPid;
string pid(ss.str());
ss.str("");
ss << "STARTING"
<< ":"
<< JULIANTIMESTAMP()
<< ":"
<< ":" // Dialogue ID
<< myNid
<< ":"
<< myPid
<< ":"
<< myProcName.c_str()
<< ":" // Server IP address
<< ":" // Server Port
<< ":" // Client computer name
<< ":" // Client address
<< ":" // Client port
<< ":" // Client Appl name
<< ":";
regSrvrData = ss.str();
rc = zoo_create(zh, dcsRegisteredNode.c_str(), regSrvrData.c_str(), regSrvrData.length(), &ZOO_OPEN_ACL_UNSAFE, ZOO_EPHEMERAL, realpath, sizeof(realpath)-1);
if( rc != ZOK )
{
zk_error = true;
sprintf(zkErrStr, "***** zoo_create() failed with error %d", rc);
break;
}
found = true;
}
else // error
{
zk_error = true;
sprintf(zkErrStr, "***** zoo_exists() for %s failed with error %d",dcsRegistered.c_str(), rc);
break;
}
}
}
if( zk_error ) {
SendEventMsg( MSG_SET_SRVR_CONTEXT_FAILED,
EVENTLOG_ERROR_TYPE,
processId,
ODBCMX_SERVER,
srvrObjRef,
1,
zkErrStr);
exit(1);
}
//LCOV_EXCL_START
// when a server dies, the MXOAS sends message to CFG. CFG creates the MXOSRVR process
// and passess only one command line atribute: -SQL CLEANUP OBSOLETE VOLATILE TABLES
// It is for cleanup resources (volatile tables).
// Newly created MXOSRVR process executes CLEANUP OBSOLETE VOLATILE TABLES and exits.
// (This process is not managed by AS!. It is only a helper.
if (initParam.sql != NULL)
{
if (strncmp(initParam.sql, "SELECT COUNT", 12) == 0)
{
//You can specify a completion code with any positive value in a PROCESS_STOP_.
//Negative completion codes are reserved for HP use.
//Therefore negative codes will return as 1000 + abs(completionCode)
short completionCode = -1;
completionCode = SQL_EXECDIRECT_FETCH(&initParam);
if (completionCode < 0)
completionCode = 1000 + abs(completionCode);
#ifdef NSK_PLATFORM
PROCESS_STOP_(,,,completionCode,,,,);
#else
/*
* TODO:
* need to revisit this logic to return a value via exit code
*
*/
#endif
}
else
{
static VALUE method_deterministic_conn_order(VALUE self, VALUE yn) {
zoo_deterministic_conn_order(yn == Qtrue);
return Qnil;
}
static VALUE method_zkrb_init(int argc, VALUE* argv, VALUE self) {
VALUE hostPort=Qnil;
VALUE options=Qnil;
rb_scan_args(argc, argv, "11", &hostPort, &options);
if (NIL_P(options)) {
options = rb_hash_new();
} else {
Check_Type(options, T_HASH);
}
Check_Type(hostPort, T_STRING);
// Look up :zkc_log_level
VALUE log_level = rb_hash_aref(options, ID2SYM(rb_intern("zkc_log_level")));
if (NIL_P(log_level)) {
zoo_set_debug_level(0); // no log messages
} else {
Check_Type(log_level, T_FIXNUM);
zoo_set_debug_level(FIX2INT(log_level));
}
volatile VALUE data;
zkrb_instance_data_t *zk_local_ctx;
data = Data_Make_Struct(CZookeeper, zkrb_instance_data_t, 0, free_zkrb_instance_data, zk_local_ctx);
zk_local_ctx->queue = zkrb_queue_alloc();
if (zk_local_ctx->queue == NULL)
rb_raise(rb_eRuntimeError, "could not allocate zkrb queue!");
zoo_deterministic_conn_order(0);
zkrb_calling_context *ctx =
zkrb_calling_context_alloc(ZKRB_GLOBAL_REQ, zk_local_ctx->queue);
zk_local_ctx->object_id = FIX2LONG(rb_obj_id(self));
zk_local_ctx->zh =
zookeeper_init(
RSTRING_PTR(hostPort), // const char *host
zkrb_state_callback, // watcher_fn
session_timeout_msec(self), // recv_timeout
&zk_local_ctx->myid, // cilentid_t
ctx, // void *context
0); // flags
zkrb_debug("method_zkrb_init, zk_local_ctx: %p, zh: %p, queue: %p, calling_ctx: %p",
zk_local_ctx, zk_local_ctx->zh, zk_local_ctx->queue, ctx);
if (!zk_local_ctx->zh) {
rb_raise(rb_eRuntimeError, "error connecting to zookeeper: %d", errno);
}
zk_local_ctx->orig_pid = getpid();
rb_iv_set(self, "@_data", data);
rb_funcall(self, rb_intern("zkc_set_running_and_notify!"), 0);
return Qnil;
}
