void
Ice::stringSeqToArgs(const StringSeq& args, int& argc, char* argv[])
{
//
// Shift all elements in argv which are present in args to the
// beginning of argv.
//
int i = 0;
while(i < argc)
{
if(find(args.begin(), args.end(), argv[i]) == args.end())
{
for(int j = i; j < argc - 1; j++)
{
argv[j] = argv[j + 1];
}
--argc;
}
else
{
++i;
}
}
//
// Make sure that argv[argc] == 0, the ISO C++ standard requires this.
//
if(argv)
{
argv[argc] = 0;
}
}
IceInternal::ProxyFactory::ProxyFactory(const InstancePtr& instance) :
_instance(instance)
{
StringSeq retryValues = _instance->initializationData().properties->getPropertyAsList("Ice.RetryIntervals");
if(retryValues.size() == 0)
{
_retryIntervals.push_back(0);
}
else
{
for(StringSeq::const_iterator p = retryValues.begin(); p != retryValues.end(); ++p)
{
istringstream value(*p);
int v;
if(!(value >> v) || !value.eof())
{
v = 0;
}
//
// If -1 is the first value, no retry and wait intervals.
//
if(v == -1 && _retryIntervals.empty())
{
break;
}
_retryIntervals.push_back(v > 0 ? v : 0);
}
}
}
void ScriptSystem::getClassList(const char* prefix, bool sort, StringSeq& result) const {
ClassInfoDict::const_iterator it = m_classInfoReg.begin();
size_t prefixlen = 0;
if (prefix) {
prefixlen = strlen(prefix);
}
for (; it != m_classInfoReg.end(); ++it) {
ClassInfo* ci = it->second;
if (prefixlen) {
if (strncmp(prefix, ci->m_className.c_str(), prefixlen) != 0) {
continue;
}
result.push_back(ci->m_className.c_str() + prefixlen);
} else {
result.push_back(ci->m_className);
}
}
if (sort) {
std::sort(result.begin(), result.end(), std::less<String>());
}
}
void golem::findSensor(const Sensor::Map& sensors, const StringSeq& idSeq, Sensor::Seq& sensorSeq) {
for (StringSeq::const_iterator i = idSeq.begin(); i != idSeq.end(); ++i) {
golem::Sensor::Map::const_iterator pSensor = std::find_if(sensors.begin(), sensors.end(), [=](const golem::Sensor::Map::value_type& val) -> bool { return val.first == *i; });
if (pSensor == sensors.end())
throw Message(Message::LEVEL_CRIT, "findSensor(): unknown sensor id: %s", i->c_str());
sensorSeq.push_back(pSensor->second.get());
}
}
void
Ice::stringSeqToArgs(const StringSeq& args, int& argc, const wchar_t* argv[])
{
//
// Don't need to use a wide string converter argv is expected to
// come from Windows API.
//
const StringConverterPtr converter = getProcessStringConverter();
//
// Shift all elements in argv which are present in args to the
// beginning of argv. We record the original value of argc so
// that we can know later if we've shifted the array.
//
const int argcOrig = argc;
int i = 0;
while(i < argc)
{
if(find(args.begin(), args.end(), wstringToString(argv[i], converter)) == args.end())
{
for(int j = i; j < argc - 1; j++)
{
argv[j] = argv[j + 1];
}
--argc;
}
else
{
++i;
}
}
//
// Make sure that argv[argc] == 0, the ISO C++ standard requires this.
// We can only do this if we've shifted the array, otherwise argv[argc]
// may point to an invalid address.
//
if(argv && argcOrig != argc)
{
argv[argc] = 0;
}
}
IceBox::ServiceManagerI::ServiceManagerI(CommunicatorPtr communicator, int& argc, char* argv[]) :
_communicator(communicator),
_adminEnabled(false),
_pendingStatusChanges(false),
_traceServiceObserver(0)
{
#ifndef ICE_CPP11_MAPPING
const_cast<CallbackPtr&>(_observerCompletedCB) = newCallback(this, &ServiceManagerI::observerCompleted);
#endif
_logger = _communicator->getLogger();
PropertiesPtr props = _communicator->getProperties();
_traceServiceObserver = props->getPropertyAsInt("IceBox.Trace.ServiceObserver");
if(props->getProperty("Ice.Admin.Enabled") == "")
{
_adminEnabled = props->getProperty("Ice.Admin.Endpoints") != "";
}
else
{
_adminEnabled = props->getPropertyAsInt("Ice.Admin.Enabled") > 0;
}
if(_adminEnabled)
{
StringSeq facetSeq = props->getPropertyAsList("Ice.Admin.Facets");
if(!facetSeq.empty())
{
_adminFacetFilter.insert(facetSeq.begin(), facetSeq.end());
}
}
for(int i = 1; i < argc; i++)
{
_argv.push_back(argv[i]);
}
}
void
Ice::stringSeqToArgs(const StringSeq& args, int& argc, char* argv[])
{
//
// Shift all elements in argv which are present in args to the
// beginning of argv. We record the original value of argc so
// that we can know later if we've shifted the array.
//
const int argcOrig = argc;
int i = 0;
while(i < argc)
{
if(find(args.begin(), args.end(), argv[i]) == args.end())
{
for(int j = i; j < argc - 1; j++)
{
argv[j] = argv[j + 1];
}
--argc;
}
else
{
++i;
}
}
//
// Make sure that argv[argc] == 0, the ISO C++ standard requires this.
// We can only do this if we've shifted the array, otherwise argv[argc]
// may point to an invalid address.
//
if(argv && argcOrig != argc)
{
argv[argc] = 0;
}
}
bool
IceBox::ServiceManagerI::start()
{
try
{
ServiceManagerPtr obj = this;
PropertiesPtr properties = _communicator->getProperties();
//
// Create an object adapter. Services probably should NOT share
// this object adapter, as the endpoint(s) for this object adapter
// will most likely need to be firewalled for security reasons.
//
ObjectAdapterPtr adapter;
if(properties->getProperty("IceBox.ServiceManager.Endpoints") != "")
{
adapter = _communicator->createObjectAdapter("IceBox.ServiceManager");
Identity identity;
identity.category = properties->getPropertyWithDefault("IceBox.InstanceName", "IceBox");
identity.name = "ServiceManager";
adapter->add(obj, identity);
}
//
// Parse the property set with the prefix "IceBox.Service.". These
// properties should have the following format:
//
// IceBox.Service.Foo=entry_point [args]
//
// We parse the service properties specified in IceBox.LoadOrder
// first, then the ones from remaining services.
//
const string prefix = "IceBox.Service.";
PropertyDict services = properties->getPropertiesForPrefix(prefix);
PropertyDict::iterator p;
StringSeq loadOrder = properties->getPropertyAsList("IceBox.LoadOrder");
vector<StartServiceInfo> servicesInfo;
for(StringSeq::const_iterator q = loadOrder.begin(); q != loadOrder.end(); ++q)
{
p = services.find(prefix + *q);
if(p == services.end())
{
FailureException ex(__FILE__, __LINE__);
ex.reason = "ServiceManager: no service definition for `" + *q + "'";
throw ex;
}
servicesInfo.push_back(StartServiceInfo(*q, p->second, _argv));
services.erase(p);
}
for(p = services.begin(); p != services.end(); ++p)
{
servicesInfo.push_back(StartServiceInfo(p->first.substr(prefix.size()), p->second, _argv));
}
//
// Check if some services are using the shared communicator in which
// case we create the shared communicator now with a property set which
// is the union of all the service properties (services which are using
// the shared communicator).
//
PropertyDict sharedCommunicatorServices = properties->getPropertiesForPrefix("IceBox.UseSharedCommunicator.");
if(!sharedCommunicatorServices.empty())
{
InitializationData initData;
initData.properties = createServiceProperties("SharedCommunicator");
for(vector<StartServiceInfo>::iterator q = servicesInfo.begin(); q != servicesInfo.end(); ++q)
{
if(properties->getPropertyAsInt("IceBox.UseSharedCommunicator." + q->name) <= 0)
{
continue;
}
//
// Load the service properties using the shared communicator properties as
// the default properties.
//
PropertiesPtr svcProperties = createProperties(q->args, initData.properties);
//
// Erase properties from the shared communicator which don't exist in the
// service properties (which include the shared communicator properties
// overriden by the service properties).
//
PropertyDict allProps = initData.properties->getPropertiesForPrefix("");
for(PropertyDict::iterator p = allProps.begin(); p != allProps.end(); ++p)
{
if(svcProperties->getProperty(p->first) == "")
{
initData.properties->setProperty(p->first, "");
}
}
//
// Add the service properties to the shared communicator properties.
//
PropertyDict props = svcProperties->getPropertiesForPrefix("");
for(PropertyDict::const_iterator r = props.begin(); r != props.end(); ++r)
{
initData.properties->setProperty(r->first, r->second);
}
//
// Parse <service>.* command line options (the Ice command line options
// were parsed by the createProperties above)
//
q->args = initData.properties->parseCommandLineOptions(q->name, q->args);
}
_sharedCommunicator = initialize(initData);
}
//
// Start the services.
//
for(vector<StartServiceInfo>::const_iterator r = servicesInfo.begin(); r != servicesInfo.end(); ++r)
{
start(r->name, r->entryPoint, r->args);
}
//
// We may want to notify external scripts that the services
// have started. This is done by defining the property:
//
// IceBox.PrintServicesReady=bundleName
//
// Where bundleName is whatever you choose to call this set of
// services. It will be echoed back as "bundleName ready".
//
// This must be done after start() has been invoked on the
// services.
//
string bundleName = properties->getProperty("IceBox.PrintServicesReady");
if(!bundleName.empty())
{
cout << bundleName << " ready" << endl;
}
//
// Register "this" as a facet to the Admin object, and then create
// Admin object
//
try
{
_communicator->addAdminFacet(this, "IceBox.ServiceManager");
//
// Add a Properties facet for each service
//
for(vector<ServiceInfo>::iterator r = _services.begin(); r != _services.end(); ++r)
{
const ServiceInfo& info = *r;
CommunicatorPtr communicator = info.communicator != 0 ? info.communicator : _sharedCommunicator;
_communicator->addAdminFacet(new PropertiesAdminI(communicator->getProperties()),
"IceBox.Service." + info.name + ".Properties");
}
_communicator->getAdmin();
}
catch(const ObjectAdapterDeactivatedException&)
{
//
// Expected if the communicator has been shutdown.
//
}
if(adapter)
{
try
{
adapter->activate();
}
catch(const ObjectAdapterDeactivatedException&)
{
//
// Expected if the communicator has been shutdown.
//
}
}
}
catch(const FailureException& ex)
{
Error out(_logger);
out << ex.reason;
stopAll();
return false;
}
catch(const Exception& ex)
{
Error out(_logger);
out << "ServiceManager: " << ex;
stopAll();
return false;
}
return true;
}
int
Activator::activate(const string& name,
const string& exePath,
const string& pwdPath,
#ifndef _WIN32
uid_t uid,
gid_t gid,
#endif
const Ice::StringSeq& options,
const Ice::StringSeq& envs,
const ServerIPtr& server)
{
IceUtil::Monitor< IceUtil::Mutex>::Lock sync(*this);
if(_deactivating)
{
throw string("The node is being shutdown.");
}
string path = exePath;
if(path.empty())
{
throw string("The server executable path is empty.");
}
string pwd = IcePatch2Internal::simplify(pwdPath);
#ifdef _WIN32
if(!IceUtilInternal::isAbsolutePath(path))
{
if(path.find('/') == string::npos)
{
//
// Get the absolute pathname of the executable.
//
wchar_t absbuf[_MAX_PATH];
wchar_t* fPart;
wstring ext = path.size() <= 4 || path[path.size() - 4] != '.' ? L".exe" : L"";
//
// IceGrid doesn't support to use string converters, so don't need to use
// any string converter in wstringToString conversions.
//
if(SearchPathW(NULL, IceUtil::stringToWstring(path).c_str(), ext.c_str(), _MAX_PATH, absbuf, &fPart) == 0)
{
if(_traceLevels->activator > 0)
{
Trace out(_traceLevels->logger, _traceLevels->activatorCat);
out << "couldn't find `" << path << "' executable.";
}
throw string("Couldn't find `" + path + "' executable.");
}
path = IceUtil::wstringToString(absbuf);
}
else if(!pwd.empty())
{
path = pwd + "/" + path;
}
}
//
// Get the absolute pathname of the working directory.
//
// IceGrid doesn't support to use string converters, so
// don't need to use any string converter in stringToWstring
// conversions.
//
if(!pwd.empty())
{
wchar_t absbuf[_MAX_PATH];
if(_wfullpath(absbuf, IceUtil::stringToWstring(pwd).c_str(), _MAX_PATH) == NULL)
{
if(_traceLevels->activator > 0)
{
Trace out(_traceLevels->logger, _traceLevels->activatorCat);
out << "cannot convert `" << pwd << "' into an absolute path";
}
throw string("The server working directory path `" + pwd + "' can't be converted into an absolute path.");
}
pwd = IceUtil::wstringToString(absbuf);
}
#endif
//
// Setup arguments.
//
StringSeq args;
args.push_back(path);
args.insert(args.end(), options.begin(), options.end());
if(_traceLevels->activator > 0)
{
Ice::Trace out(_traceLevels->logger, _traceLevels->activatorCat);
out << "activating server `" << name << "'";
if(_traceLevels->activator > 1)
{
out << "\n";
out << "path = " << path << "\n";
if(pwd.empty())
{
string cwd;
if(IceUtilInternal::getcwd(cwd) == 0)
{
out << "pwd = " << cwd << "\n";
}
}
else
{
out << "pwd = " << pwd << "\n";
}
#ifndef _WIN32
out << "uid/gid = " << uid << "/" << gid << "\n";
#endif
if(!envs.empty())
{
out << "envs = " << toString(envs, ", ") << "\n";
}
if(!args.empty())
{
out << "args = " << toString(args);
}
}
}
//
// Activate and create.
//
#ifdef _WIN32
//
// Compose command line.
//
string cmd;
for(StringSeq::const_iterator p = args.begin(); p != args.end(); ++p)
{
if(p != args.begin())
{
cmd.push_back(' ');
}
//
// Enclose arguments containing spaces in double quotes.
//
if((*p).find(' ') != string::npos)
{
cmd.push_back('"');
cmd.append(*p);
cmd.push_back('"');
}
else
{
cmd.append(*p);
}
}
//
// IceGrid doesn't support to use string converters, so don't need to use
// any string converter in stringToWstring conversions.
//
wstring wpwd = IceUtil::stringToWstring(pwd);
const wchar_t* dir = !wpwd.empty() ? wpwd.c_str() : NULL;
//
// Make a copy of the command line.
//
wchar_t* cmdbuf = _wcsdup(IceUtil::stringToWstring(cmd).c_str());
//
// Create the environment block for the child process. We start with the environment
// of this process, and then merge environment variables from the server description.
// Since Windows is case insensitive wrt environment variables we convert the keys to
// uppercase to ensure matches are found.
//
const wchar_t* env = NULL;
wstring envbuf;
if(!envs.empty())
{
map<wstring, wstring, UnicodeStringLess> envMap;
LPVOID parentEnv = GetEnvironmentStringsW();
const wchar_t* var = reinterpret_cast<const wchar_t*>(parentEnv);
if(*var == L'=')
{
//
// The environment block may start with some information about the
// current drive and working directory. This is indicated by a leading
// '=' character, so we skip to the first '\0' byte.
//
while(*var != L'\0')
var++;
var++;
}
while(*var != L'\0')
{
wstring s(var);
wstring::size_type pos = s.find(L'=');
if(pos != wstring::npos)
{
envMap[s.substr(0, pos)] = s.substr(pos + 1);
}
var += s.size();
var++; // Skip the '\0' byte
}
FreeEnvironmentStringsW(static_cast<wchar_t*>(parentEnv));
for(StringSeq::const_iterator p = envs.begin(); p != envs.end(); ++p)
{
//
// IceGrid doesn't support to use string converters, so don't need to use
// any string converter in stringToWstring conversions.
//
wstring s = IceUtil::stringToWstring(*p);
wstring::size_type pos = s.find(L'=');
if(pos != wstring::npos)
{
envMap[s.substr(0, pos)] = s.substr(pos + 1);
}
}
for(map<wstring, wstring, UnicodeStringLess>::const_iterator q = envMap.begin(); q != envMap.end(); ++q)
{
envbuf.append(q->first);
envbuf.push_back(L'=');
envbuf.append(q->second);
envbuf.push_back(L'\0');
}
envbuf.push_back(L'\0');
env = envbuf.c_str();
}
Process process;
STARTUPINFOW si;
ZeroMemory(&si, sizeof(si));
si.cb = sizeof(si);
PROCESS_INFORMATION pi;
ZeroMemory(&pi, sizeof(pi));
BOOL b = CreateProcessW(
NULL, // Executable
cmdbuf, // Command line
NULL, // Process attributes
NULL, // Thread attributes
FALSE, // Do NOT inherit handles
CREATE_NEW_PROCESS_GROUP | CREATE_UNICODE_ENVIRONMENT, // Process creation flags
(LPVOID)env, // Process environment
dir, // Current directory
&si, // Startup info
&pi // Process info
);
free(cmdbuf);
if(!b)
{
throw IceUtilInternal::lastErrorToString();
}
//
// Caller is responsible for closing handles in PROCESS_INFORMATION. We don't need to
// keep the thread handle, so we close it now. The process handle will be closed later.
//
CloseHandle(pi.hThread);
process.activator = this;
process.pid = pi.dwProcessId;
process.hnd = pi.hProcess;
process.server = server;
map<string, Process>::iterator it = _processes.insert(make_pair(name, process)).first;
Process* pp = &it->second;
if(!RegisterWaitForSingleObject(&pp->waithnd, pp->hnd, activatorWaitCallback, pp, INFINITE,
WT_EXECUTEDEFAULT | WT_EXECUTEONLYONCE))
{
throw IceUtilInternal::lastErrorToString();
}
//
// Don't print the following trace, this might interfer with the
// output of the started process if it fails with an error message.
//
// if(_traceLevels->activator > 0)
// {
// Ice::Trace out(_traceLevels->logger, _traceLevels->activatorCat);
// out << "activated server `" << name << "' (pid = " << pi.dwProcessId << ")";
// }
return static_cast<Ice::Int>(process.pid);
#else
int fds[2];
if(pipe(fds) != 0)
{
SyscallException ex(__FILE__, __LINE__);
ex.error = getSystemErrno();
throw ex;
}
int errorFds[2];
if(pipe(errorFds) != 0)
{
SyscallException ex(__FILE__, __LINE__);
ex.error = getSystemErrno();
throw ex;
}
//
// Convert to standard argc/argv.
//
IceUtilInternal::ArgVector av(args);
IceUtilInternal::ArgVector env(envs);
//
// Current directory
//
const char* pwdCStr = pwd.c_str();
pid_t pid = fork();
if(pid == -1)
{
SyscallException ex(__FILE__, __LINE__);
ex.error = getSystemErrno();
throw ex;
}
if(pid == 0) // Child process.
{
//
// Until exec, we can only use async-signal safe functions
//
//
// Unblock signals blocked by IceUtil::CtrlCHandler.
//
sigset_t sigs;
sigemptyset(&sigs);
sigaddset(&sigs, SIGHUP);
sigaddset(&sigs, SIGINT);
sigaddset(&sigs, SIGTERM);
sigprocmask(SIG_UNBLOCK, &sigs, 0);
//
// Change the uid/gid under which the process will run.
//
if(setgid(gid) == -1)
{
ostringstream os;
os << gid;
reportChildError(getSystemErrno(), errorFds[1], "cannot set process group id", os.str().c_str(),
_traceLevels);
}
errno = 0;
struct passwd* pw = getpwuid(uid);
if(!pw)
{
if(errno)
{
reportChildError(getSystemErrno(), errorFds[1], "cannot read the password database", "",
_traceLevels);
}
else
{
ostringstream os;
os << uid;
reportChildError(getSystemErrno(), errorFds[1], "unknown user uid" , os.str().c_str(),
_traceLevels);
}
}
//
// Don't initialize supplementary groups if we are not running as root.
//
if(getuid() == 0 && initgroups(pw->pw_name, gid) == -1)
{
ostringstream os;
os << pw->pw_name;
reportChildError(getSystemErrno(), errorFds[1], "cannot initialize process supplementary group access list for user",
os.str().c_str(), _traceLevels);
}
if(setuid(uid) == -1)
{
ostringstream os;
os << uid;
reportChildError(getSystemErrno(), errorFds[1], "cannot set process user id", os.str().c_str(),
_traceLevels);
}
//
// Assign a new process group for this process.
//
setpgid(0, 0);
//
// Close all file descriptors, except for standard input,
// standard output, standard error, and the write side
// of the newly created pipe.
//
int maxFd = static_cast<int>(sysconf(_SC_OPEN_MAX));
for(int fd = 3; fd < maxFd; ++fd)
{
if(fd != fds[1] && fd != errorFds[1])
{
close(fd);
}
}
for(int i = 0; i < env.argc; i++)
{
//
// Each env is leaked on purpose ... see man putenv().
//
if(putenv(strdup(env.argv[i])) != 0)
{
reportChildError(errno, errorFds[1], "cannot set environment variable", env.argv[i],
_traceLevels);
}
}
//
// Change working directory.
//
if(strlen(pwdCStr) != 0)
{
if(chdir(pwdCStr) == -1)
{
reportChildError(errno, errorFds[1], "cannot change working directory to", pwdCStr,
_traceLevels);
}
}
//
// Close on exec the error message file descriptor.
//
int flags = fcntl(errorFds[1], F_GETFD);
flags |= 1; // FD_CLOEXEC
if(fcntl(errorFds[1], F_SETFD, flags) == -1)
{
close(errorFds[1]);
errorFds[1] = -1;
}
if(execvp(av.argv[0], av.argv) == -1)
{
if(errorFds[1] != -1)
{
reportChildError(errno, errorFds[1], "cannot execute", av.argv[0], _traceLevels);
}
else
{
reportChildError(errno, fds[1], "cannot execute", av.argv[0], _traceLevels);
}
}
}
else // Parent process.
{
close(fds[1]);
close(errorFds[1]);
//
// Read a potential error message over the error message pipe.
//
char s[16];
ssize_t rs;
string message;
while((rs = read(errorFds[0], &s, 16)) > 0)
{
message.append(s, rs);
}
//
// If an error occured before the exec() we do some cleanup and throw.
//
if(!message.empty())
{
close(fds[0]);
close(errorFds[0]);
waitPid(pid);
throw message;
}
//
// Otherwise, the exec() was successfull and we don't need the error message
// pipe anymore.
//
close(errorFds[0]);
Process process;
process.pid = pid;
process.pipeFd = fds[0];
process.server = server;
_processes.insert(make_pair(name, process));
int flags = fcntl(process.pipeFd, F_GETFL);
flags |= O_NONBLOCK;
fcntl(process.pipeFd, F_SETFL, flags);
setInterrupt();
//
// Don't print the following trace, this might interfere with the
// output of the started process if it fails with an error message.
//
// if(_traceLevels->activator > 0)
// {
// Ice::Trace out(_traceLevels->logger, _traceLevels->activatorCat);
// out << "activated server `" << name << "' (pid = " << pid << ")";
// }
}
return pid;
#endif
}
void
Ice::PluginManagerI::loadPlugin(const string& name, const string& pluginSpec, StringSeq& cmdArgs)
{
assert(_communicator);
string entryPoint;
StringSeq args;
if(!pluginSpec.empty())
{
//
// Split the entire property value into arguments. An entry point containing spaces
// must be enclosed in quotes.
//
try
{
args = IceUtilInternal::Options::split(pluginSpec);
}
catch(const IceUtilInternal::BadOptException& ex)
{
PluginInitializationException e(__FILE__, __LINE__);
e.reason = "invalid arguments for plug-in `" + name + "':\n" + ex.reason;
throw e;
}
assert(!args.empty());
//
// Shift the arguments.
//
entryPoint = args[0];
args.erase(args.begin());
//
// Convert command-line options into properties. First we
// convert the options from the plug-in configuration, then
// we convert the options from the application command-line.
//
PropertiesPtr properties = _communicator->getProperties();
args = properties->parseCommandLineOptions(name, args);
cmdArgs = properties->parseCommandLineOptions(name, cmdArgs);
}
PluginFactory factory = 0;
DynamicLibraryPtr library;
//
// Always check the static plugin factory table first, it takes
// precedence over the the entryPoint specified in the plugin
// property value.
//
if(factories)
{
map<string, PluginFactory>::const_iterator p = factories->find(name);
if(p != factories->end())
{
factory = p->second;
}
}
//
// If we didn't find the factory, get the factory using the entry
// point symbol.
//
if(!factory)
{
assert(!entryPoint.empty());
library = new DynamicLibrary();
DynamicLibrary::symbol_type sym = library->loadEntryPoint(entryPoint);
if(sym == 0)
{
ostringstream out;
string msg = library->getErrorMessage();
out << "unable to load entry point `" << entryPoint << "'";
if(!msg.empty())
{
out << ": " + msg;
}
PluginInitializationException ex(__FILE__, __LINE__);
ex.reason = out.str();
throw ex;
}
#ifdef __IBMCPP__
// xlC warns when casting a void* to function pointer
# pragma report(disable, "1540-0216")
#endif
factory = reinterpret_cast<PluginFactory>(sym);
}
//
// Invoke the factory function. No exceptions can be raised
// by the factory function because it's declared extern "C".
//
PluginPtr plugin(factory(_communicator, name, args));
if(!plugin)
{
PluginInitializationException e(__FILE__, __LINE__);
ostringstream out;
out << "failure in entry point `" << entryPoint << "'";
e.reason = out.str();
throw e;
}
PluginInfo info;
info.name = name;
info.plugin = plugin;
_plugins.push_back(info);
if(library)
{
_libraries->add(library);
}
}
void
Ice::PluginManagerI::loadPlugins(int& argc, const char* argv[])
{
assert(_communicator);
StringSeq cmdArgs = argsToStringSeq(argc, argv);
const string prefix = "Ice.Plugin.";
PropertiesPtr properties = _communicator->getProperties();
PropertyDict plugins = properties->getPropertiesForPrefix(prefix);
//
// First, load static plugin factories which were setup to load on
// communicator initialization. If a matching plugin property is
// set, we load the plugin with the plugin specification. The
// entryPoint will be ignored but the rest of the plugin
// specification might be used.
//
if(loadOnInitialization)
{
for(vector<string>::const_iterator p = loadOnInitialization->begin(); p != loadOnInitialization->end(); ++p)
{
string property = prefix + *p;
PropertyDict::iterator r = plugins.find(property + ".cpp");
if(r == plugins.end())
{
r = plugins.find(property);
}
else
{
plugins.erase(property);
}
if(r != plugins.end())
{
loadPlugin(*p, r->second, cmdArgs);
plugins.erase(r);
}
else
{
loadPlugin(*p, "", cmdArgs);
}
}
}
//
// Next, load and initialize the plug-ins defined in the property
// set with the prefix "Ice.Plugin.". These properties should have
// the following format:
//
// Ice.Plugin.name[.<language>]=entry_point [args]
//
// If the Ice.PluginLoadOrder property is defined, load the
// specified plug-ins in the specified order, then load any
// remaining plug-ins.
//
StringSeq loadOrder = properties->getPropertyAsList("Ice.PluginLoadOrder");
for(StringSeq::const_iterator p = loadOrder.begin(); p != loadOrder.end(); ++p)
{
string name = *p;
if(findPlugin(name))
{
PluginInitializationException ex(__FILE__, __LINE__);
ex.reason = "plug-in `" + name + "' already loaded";
throw ex;
}
string property = prefix + name;
PropertyDict::iterator r = plugins.find(property + ".cpp");
if(r == plugins.end())
{
r = plugins.find(property);
}
else
{
plugins.erase(property);
}
if(r != plugins.end())
{
loadPlugin(name, r->second, cmdArgs);
plugins.erase(r);
}
else
{
PluginInitializationException ex(__FILE__, __LINE__);
ex.reason = "plug-in `" + name + "' not defined";
throw ex;
}
}
//
// Load any remaining plug-ins that weren't specified in PluginLoadOrder.
//
while(!plugins.empty())
{
PropertyDict::iterator p = plugins.begin();
string name = p->first.substr(prefix.size());
size_t dotPos = name.find_last_of('.');
if(dotPos != string::npos)
{
string suffix = name.substr(dotPos + 1);
if(suffix == "java" || suffix == "clr")
{
//
// Ignored
//
plugins.erase(p);
}
else if(suffix == "cpp")
{
name = name.substr(0, dotPos);
loadPlugin(name, p->second, cmdArgs);
plugins.erase(p);
plugins.erase(prefix + name);
}
else
{
//
// Name is just a regular name that happens to contain a dot
//
dotPos = string::npos;
}
}
if(dotPos == string::npos)
{
//
// Is there a .cpp entry?
//
PropertyDict::iterator q = plugins.find(prefix + name + ".cpp");
if(q != plugins.end())
{
plugins.erase(p);
p = q;
}
loadPlugin(name, p->second, cmdArgs);
plugins.erase(p);
}
}
stringSeqToArgs(cmdArgs, argc, argv);
}
Freeze::MapDb::MapDb(const ConnectionIPtr& connection,
const string& dbName,
const string& key,
const string& value,
const KeyCompareBasePtr& keyCompare,
const vector<MapIndexBasePtr>& indices,
bool createDb) :
Db(connection->dbEnv()->getEnv(), 0),
_communicator(connection->communicator()),
_dbName(dbName),
_trace(connection->trace()),
_keyCompare(keyCompare)
{
if(_trace >= 1)
{
Trace out(_communicator->getLogger(), "Freeze.Map");
out << "opening Db \"" << _dbName << "\"";
}
Catalog catalog(connection, _catalogName);
TransactionPtr tx = connection->currentTransaction();
bool ownTx = (tx == 0);
for(;;)
{
try
{
if(ownTx)
{
tx = 0;
tx = connection->beginTransaction();
}
Catalog::iterator ci = catalog.find(_dbName);
if(ci != catalog.end())
{
if(ci->second.evictor)
{
throw DatabaseException(__FILE__, __LINE__, _dbName + " is an evictor database");
}
_key = ci->second.key;
_value = ci->second.value;
checkTypes(key, value);
}
else
{
_key = key;
_value = value;
}
set_app_private(this);
if(_keyCompare->compareEnabled())
{
set_bt_compare(&customCompare);
}
PropertiesPtr properties = _communicator->getProperties();
string propPrefix = "Freeze.Map." + _dbName + ".";
int btreeMinKey = properties->getPropertyAsInt(propPrefix + "BtreeMinKey");
if(btreeMinKey > 2)
{
if(_trace >= 1)
{
Trace out(_communicator->getLogger(), "Freeze.Map");
out << "Setting \"" << _dbName << "\"'s btree minkey to " << btreeMinKey;
}
set_bt_minkey(btreeMinKey);
}
bool checksum = properties->getPropertyAsInt(propPrefix + "Checksum") > 0;
if(checksum)
{
if(_trace >= 1)
{
Trace out(_communicator->getLogger(), "Freeze.Map");
out << "Turning checksum on for \"" << _dbName << "\"";
}
set_flags(DB_CHKSUM);
}
int pageSize = properties->getPropertyAsInt(propPrefix + "PageSize");
if(pageSize > 0)
{
if(_trace >= 1)
{
Trace out(_communicator->getLogger(), "Freeze.Map");
out << "Setting \"" << _dbName << "\"'s pagesize to " << pageSize;
}
set_pagesize(pageSize);
}
DbTxn* txn = getTxn(tx);
u_int32_t flags = DB_THREAD;
if(createDb)
{
flags |= DB_CREATE;
}
open(txn, Ice::nativeToUTF8(_communicator, _dbName).c_str(), 0, DB_BTREE, flags, FREEZE_DB_MODE);
StringSeq oldIndices;
StringSeq newIndices;
size_t oldSize = 0;
CatalogIndexList catalogIndexList(connection, _catalogIndexListName);
if(createDb)
{
CatalogIndexList::iterator cil = catalogIndexList.find(_dbName);
if(cil != catalogIndexList.end())
{
oldIndices = cil->second;
oldSize = oldIndices.size();
}
}
for(vector<MapIndexBasePtr>::const_iterator p = indices.begin();
p != indices.end(); ++p)
{
const MapIndexBasePtr& indexBase = *p;
assert(indexBase->_impl == 0);
assert(indexBase->_communicator == 0);
indexBase->_communicator = connection->communicator();
auto_ptr<MapIndexI> indexI;
try
{
indexI.reset(new MapIndexI(connection, *this, txn, createDb, indexBase));
}
catch(const DbDeadlockException&)
{
throw;
}
catch(const DbException& dx)
{
string message = "Error while opening index \"" + _dbName +
"." + indexBase->name() + "\": " + dx.what();
throw DatabaseException(__FILE__, __LINE__, message);
}
#ifndef NDEBUG
bool inserted =
#endif
_indices.insert(IndexMap::value_type(indexBase->name(), indexI.get())).second;
assert(inserted);
indexBase->_impl = indexI.release();
if(createDb)
{
newIndices.push_back(indexBase->name());
oldIndices.erase(std::remove(oldIndices.begin(), oldIndices.end(), indexBase->name()), oldIndices.end());
}
}
if(ci == catalog.end())
{
CatalogData catalogData;
catalogData.evictor = false;
catalogData.key = key;
catalogData.value = value;
catalog.put(Catalog::value_type(_dbName, catalogData));
}
if(createDb)
{
//
// Remove old indices and write the new ones
//
bool indexRemoved = false;
for(StringSeq::const_iterator q = oldIndices.begin(); q != oldIndices.end(); ++q)
{
const string& index = *q;
if(_trace >= 1)
{
Trace out(_communicator->getLogger(), "Freeze.Map");
out << "removing old index \"" << index << "\" on Db \"" << _dbName << "\"";
}
try
{
connection->removeMapIndex(_dbName, *q);
indexRemoved = true;
}
catch(const IndexNotFoundException&)
{
// Ignored
if(_trace >= 1)
{
Trace out(_communicator->getLogger(), "Freeze.Map");
out << "index \"" << index << "\" on Db \"" << _dbName << "\" does not exist";
}
}
}
if(indexRemoved || oldSize != newIndices.size())
{
if(newIndices.size() == 0)
{
catalogIndexList.erase(_dbName);
if(_trace >= 1)
{
Trace out(_communicator->getLogger(), "Freeze.Map");
out << "Removed catalogIndexList entry for Db \"" << _dbName << "\"";
}
}
else
{
catalogIndexList.put(CatalogIndexList::value_type(_dbName, newIndices));
if(_trace >= 1)
{
Trace out(_communicator->getLogger(), "Freeze.Map");
out << "Updated catalogIndexList entry for Db \"" << _dbName << "\"";
}
}
}
}
if(ownTx)
{
tx->commit();
}
break; // for(;;)
}
catch(const DbDeadlockException& dx)
{
if(ownTx)
{
if(connection->deadlockWarning())
{
Warning out(connection->communicator()->getLogger());
out << "Deadlock in Freeze::MapDb::MapDb on Map \""
<< _dbName << "\"; retrying ...";
}
//
// Ignored, try again
//
}
else
{
throw DeadlockException(__FILE__, __LINE__, dx.what(), tx);
}
}
catch(const DbException& dx)
{
if(ownTx)
{
try
{
tx->rollback();
}
catch(...)
{
}
}
string message = "Error while opening Db \"" + _dbName +
"\": " + dx.what();
throw DatabaseException(__FILE__, __LINE__, message);
}
catch(...)
{
if(ownTx && tx != 0)
{
try
{
tx->rollback();
}
catch(...)
{
}
}
throw;
}
}
}
int
main(int argc, char* argv[])
#endif
{
Ice::StringSeq originalArgs = Ice::argsToStringSeq(argc, argv);
assert(originalArgs.size() > 0);
const string appName = originalArgs[0];
string dataDir;
StringSeq fileSeq;
int compress = 1;
bool verbose;
bool caseInsensitive;
IceUtilInternal::Options opts;
opts.addOpt("h", "help");
opts.addOpt("v", "version");
opts.addOpt("z", "compress");
opts.addOpt("Z", "no-compress");
opts.addOpt("V", "verbose");
opts.addOpt("i", "case-insensitive");
vector<string> args;
try
{
args = opts.parse(originalArgs);
}
catch(const IceUtilInternal::BadOptException& e)
{
cerr << e.reason << endl;
usage(appName);
return EXIT_FAILURE;
}
if(opts.isSet("help"))
{
usage(appName);
return EXIT_SUCCESS;
}
if(opts.isSet("version"))
{
cout << ICE_STRING_VERSION << endl;
return EXIT_SUCCESS;
}
bool doCompress = opts.isSet("compress");
bool dontCompress = opts.isSet("no-compress");
if(doCompress && dontCompress)
{
cerr << appName << ": only one of -z and -Z are mutually exclusive" << endl;
usage(appName);
return EXIT_FAILURE;
}
if(doCompress)
{
compress = 2;
}
else if(dontCompress)
{
compress = 0;
}
verbose = opts.isSet("verbose");
caseInsensitive = opts.isSet("case-insensitive");
if(args.empty())
{
cerr << appName << ": no data directory specified" << endl;
usage(appName);
return EXIT_FAILURE;
}
dataDir = simplify(args[0]);
for(vector<string>::size_type i = 1; i < args.size(); ++i)
{
fileSeq.push_back(simplify(args[i]));
}
try
{
string absDataDir = dataDir;
string cwd;
if(IceUtilInternal::getcwd(cwd) != 0)
{
throw "cannot get the current directory:\n" + IceUtilInternal::lastErrorToString();
}
if(!IceUtilInternal::isAbsolutePath(absDataDir))
{
absDataDir = simplify(cwd + '/' + absDataDir);
}
for(StringSeq::iterator p = fileSeq.begin(); p != fileSeq.end(); ++p)
{
if(!IceUtilInternal::isAbsolutePath(*p))
{
*p = cwd + '/' + *p;
}
}
//
// We must call simplify() here: under Cygwin, any path starting with
// a double slash simply doesn't work. But, if dataDir is "/", we end
// up with paths that start with "//" unless we call simplify().
//
string absDataDirWithSlash = simplify(absDataDir + '/');
for(StringSeq::iterator p = fileSeq.begin(); p != fileSeq.end(); ++p)
{
if(p->compare(0, absDataDirWithSlash.size(), absDataDirWithSlash) != 0)
{
throw "`" + *p + "' is not a path in `" + dataDir + "'";
}
p->erase(0, absDataDirWithSlash.size());
}
LargeFileInfoSeq infoSeq;
if(fileSeq.empty())
{
CalcCB calcCB;
if(!getFileInfoSeq(absDataDir, compress, verbose ? &calcCB : 0, infoSeq))
{
return EXIT_FAILURE;
}
}
else
{
loadFileInfoSeq(absDataDir, infoSeq);
for(StringSeq::iterator p = fileSeq.begin(); p != fileSeq.end(); ++p)
{
LargeFileInfoSeq partialInfoSeq;
CalcCB calcCB;
if(!getFileInfoSeqSubDir(absDataDir, *p, compress, verbose ? &calcCB : 0, partialInfoSeq))
{
return EXIT_FAILURE;
}
LargeFileInfoSeq newInfoSeq;
newInfoSeq.reserve(infoSeq.size());
set_difference(infoSeq.begin(),
infoSeq.end(),
partialInfoSeq.begin(),
partialInfoSeq.end(),
back_inserter(newInfoSeq),
FileInfoPathLess());
infoSeq.swap(newInfoSeq);
newInfoSeq.clear();
newInfoSeq.reserve(infoSeq.size() + partialInfoSeq.size());
set_union(infoSeq.begin(),
infoSeq.end(),
partialInfoSeq.begin(),
partialInfoSeq.end(),
back_inserter(newInfoSeq),
FileInfoPathLess());
infoSeq.swap(newInfoSeq);
}
}
if(caseInsensitive)
{
LargeFileInfoSeq newInfoSeq = infoSeq;
sort(newInfoSeq.begin(), newInfoSeq.end(), IFileInfoPathLess());
string ex;
LargeFileInfoSeq::iterator p = newInfoSeq.begin();
while((p = adjacent_find(p, newInfoSeq.end(), IFileInfoPathEqual())) != newInfoSeq.end())
{
do
{
ex += '\n' + dataDir + '/' + p->path;
++p;
}
while(p < newInfoSeq.end() && IFileInfoPathEqual()(*(p - 1), *p));
}
if(!ex.empty())
{
ex = "duplicate files:" + ex;
throw ex;
}
}
saveFileInfoSeq(absDataDir, infoSeq);
}
catch(const string& ex)
{
cerr << appName << ": " << ex << endl;
return EXIT_FAILURE;
}
catch(const char* ex)
{
cerr << appName << ": " << ex << endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}