void ZeroMQEngine::Initialize(const string endPoint, const string instanceName, const string instanceID)
{
zcert_t* localCertificate = nullptr;
// Handle common security initialization for server and client instances
if (SecurityEnabled())
{
if (!zsys_has_curve())
throw runtime_error("Failed to locate needed curve security libraries, cannot initialize ZeroMQ security");
string localCertDirectory = CURVECERTLOCALDIR "/";
string publicCertFileName;
string privateCertFileName;
// Make sure certificate store directories exist
if (zsys_dir_create(CURVECERTLOCALDIR) != 0)
throw runtime_error("Failed to create local curve security store, cannot initialize ZeroMQ security");
if (zsys_dir_create(CURVECERTREMOTEDIR) != 0)
throw runtime_error("Failed to create remote curve security store, cannot initialize ZeroMQ security");
// Derive certificate file names based on engine mode
if (ServerMode())
{
publicCertFileName = localCertDirectory + SVRPUBCERTFILENAME;
privateCertFileName = localCertDirectory + SVRPVTCERTFILENAME;
}
else
{
publicCertFileName = localCertDirectory + instanceName + PUBCERTFILENAMEEXT;
privateCertFileName = localCertDirectory + instanceName + PVTCERTFILENAMEEXT;
}
// See if private certificate already exists
if (zsys_file_exists(privateCertFileName.c_str()))
{
// Load existing local certificate
localCertificate = zcert_load(privateCertFileName.c_str());
if (localCertificate == nullptr)
throw runtime_error("Failed to load local curve certificate, cannot initialize ZeroMQ security");
}
else
{
// Create a new full certificate (public + private)
localCertificate = zcert_new();
if (localCertificate == nullptr)
throw runtime_error("Failed to create local curve certificate, cannot initialize ZeroMQ security");
zcert_set_meta(localCertificate, "name", instanceName.c_str());
zcert_set_meta(localCertificate, "id", instanceID.c_str());
zcert_set_meta(localCertificate, "type", ServerMode() ? "server" : "client");
// Persist certificates for future runs
if (zcert_save_public(localCertificate, publicCertFileName.c_str()) != 0)
throw runtime_error("Failed to save local curve public certificate, cannot initialize ZeroMQ security");
if (zcert_save_secret(localCertificate, privateCertFileName.c_str()) != 0)
throw runtime_error("Failed to save local curve private certificate, cannot initialize ZeroMQ security");
}
}
// Create new ZeroMQ engine instance
if (ServerMode())
m_instance = new ZeroMQServer(m_bufferReceivedCallback, SecurityEnabled(), InactiveClientTimeout(), VerboseOutput(), ConnectionID(), localCertificate);
else
m_instance = new ZeroMQClient(m_bufferReceivedCallback, SecurityEnabled(), InactiveClientTimeout(), VerboseOutput(), ConnectionID(), localCertificate);
m_instance->Initialize(endPoint, instanceName, instanceID);
log_info("\nEstablished ZeroMQ socket [%s]\n", ConnectionID().ToString().c_str());
}
int
main(int argc, char *argv[])
{
int opt;
char *queryWord = NULL;
char *queryFile = NULL;
int discardDupFiles = 1;
int cacheSizeInKB = 0;
while ((opt = getopt(argc, argv, "ql:d:uw:f:bc:s:")) != -1) {
switch (opt) {
case 'q':
quietFlag = 1;
break;
case 'l':
diskLatency = atoi(optarg);
break;
case 'c':
cacheSizeInKB = atoi(optarg);
break;
case 'b':
diskBusyWaitEnable = 1;
break;
case 'u':
discardDupFiles = 0;
break;
case 'w':
queryWord = strdup(optarg);
break;
case 'f':
queryFile = strdup(optarg);
break;
case 's':
serverAckFd = atoi(optarg);
diskLatency = 0; /* Default for assignment 3 is zero-latency */
break;
case 'd': {
char *c = optarg;
while (*c) {
Debug_SetFlag(*c, 1);
c++;
}
break;
}
default:
PrintUsageAndExit(argv[0]);
}
}
if (optind != argc-1) {
PrintUsageAndExit(argv[0]);
}
/*
* Allocate Memory for any caching of data. 0 means infinite cache.
*/
if (cacheSizeInKB == 0) {
cacheSizeInKB = INFINITE_CACHE_SIZE/1024;
}
int retVal = CacheMem_Init(cacheSizeInKB);
if (retVal < 0) {
fprintf(stderr, "Can't allocate memory for cache\n");
return 1;
}
char *diskpath = diskpath = argv[optind];
BuildDiskIndex(diskpath, discardDupFiles);
if (queryWord) {
TestServiceBySingleWord(queryWord);
}
if (queryFile) {
TestServiceByFileOfWords(queryFile);
}
if (serverAckFd) {
ServerMode(serverAckFd);
}
if (!quietFlag) {
printf("************ Stats ***************\n");
DumpStats(stdout);
DumpUsageStats(stdout);
}
exit(EXIT_SUCCESS);
return 0;
}