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Shm: Verbosity switch for Cleanup methods

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This commit is contained in:
Alexey Rybalchenko 2020-08-24 13:40:49 +02:00
parent 12e6a874db
commit b126ede45a
2 changed files with 73 additions and 71 deletions
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109
fairmq/shmem/Monitor.cxx
View File

@ -495,60 +495,44 @@ void Monitor::PrintHelp()
<< "[q] quit." << endl;
}
void Monitor::RemoveObject(const string& name)
std::pair<std::string, bool> RunRemoval(std::function<bool(const std::string&)> f, std::string name, bool verbose)
{
if (bipc::shared_memory_object::remove(name.c_str())) {
if (f(name)) {
if (verbose) {
cout << "Successfully removed '" << name << "'." << endl;
}
return {name, true};
} else {
if (verbose) {
cout << "Did not remove '" << name << "'. Already removed?" << endl;
}
return {name, false};
}
}
void Monitor::RemoveFileMapping(const string& name)
{
if (bipc::file_mapping::remove(name.c_str())) {
cout << "Successfully removed '" << name << "'." << endl;
} else {
cout << "Did not remove '" << name << "'. Already removed?" << endl;
}
}
bool Monitor::RemoveObject(const string& name) { return bipc::shared_memory_object::remove(name.c_str()); }
bool Monitor::RemoveFileMapping(const string& name) { return bipc::file_mapping::remove(name.c_str()); }
bool Monitor::RemoveQueue(const string& name) { return bipc::message_queue::remove(name.c_str()); }
bool Monitor::RemoveMutex(const string& name) { return bipc::named_mutex::remove(name.c_str()); }
bool Monitor::RemoveCondition(const string& name) { return bipc::named_condition::remove(name.c_str()); }
void Monitor::RemoveQueue(const string& name)
std::vector<std::pair<std::string, bool>> Monitor::Cleanup(const ShmId& shmId, bool verbose /* = true */)
{
if (bipc::message_queue::remove(name.c_str())) {
cout << "Successfully removed '" << name << "'." << endl;
} else {
cout << "Did not remove '" << name << "'. Already removed?" << endl;
}
}
std::vector<std::pair<std::string, bool>> result;
void Monitor::RemoveMutex(const string& name)
{
if (bipc::named_mutex::remove(name.c_str())) {
cout << "Successfully removed '" << name << "'." << endl;
} else {
cout << "Did not remove '" << name << "'. Already removed?" << endl;
}
}
void Monitor::RemoveCondition(const string& name)
{
if (bipc::named_condition::remove(name.c_str())) {
cout << "Successfully removed '" << name << "'." << endl;
} else {
cout << "Did not remove '" << name << "'. Already removed?" << endl;
}
}
void Monitor::Cleanup(const ShmId& shmId)
{
if (verbose) {
cout << "Cleaning up for shared memory id '" << shmId.shmId << "'..." << endl;
}
string managementSegmentName("fmq_" + shmId.shmId + "_mng");
try {
bipc::managed_shared_memory managementSegment(bipc::open_only, managementSegmentName.c_str());
RegionCounter* rc = managementSegment.find<RegionCounter>(bipc::unique_instance).first;
if (rc) {
if (verbose) {
cout << "Region counter found: " << rc->fCount << endl;
}
uint64_t regionCount = rc->fCount;
Uint64RegionInfoMap* m = managementSegment.find<Uint64RegionInfoMap>(bipc::unique_instance).first;
@ -558,55 +542,68 @@ void Monitor::Cleanup(const ShmId& shmId)
RegionInfo ri = m->at(i);
string path = ri.fPath.c_str();
int flags = ri.fFlags;
if (verbose) {
cout << "Found RegionInfo with path: '" << path << "', flags: " << flags << ", fDestroyed: " << ri.fDestroyed << "." << endl;
}
if (path != "") {
RemoveFileMapping(tools::ToString(path, "fmq_" + shmId.shmId + "_rg_" + to_string(i)));
result.emplace_back(RunRemoval(Monitor::RemoveFileMapping, path + "fmq_" + shmId.shmId + "_rg_" + to_string(i), verbose));
} else {
RemoveObject("fmq_" + shmId.shmId + "_rg_" + to_string(i));
result.emplace_back(RunRemoval(Monitor::RemoveObject, "fmq_" + shmId.shmId + "_rg_" + to_string(i), verbose));
}
} else {
RemoveObject("fmq_" + shmId.shmId + "_rg_" + to_string(i));
result.emplace_back(RunRemoval(Monitor::RemoveObject, "fmq_" + shmId.shmId + "_rg_" + to_string(i), verbose));
}
RemoveQueue(string("fmq_" + shmId.shmId + "_rgq_" + to_string(i)));
result.emplace_back(RunRemoval(Monitor::RemoveQueue, string("fmq_" + shmId.shmId + "_rgq_" + to_string(i)), verbose));
}
} else {
if (verbose) {
cout << "No region counter found. No regions to cleanup." << endl;
}
}
RemoveObject(managementSegmentName.c_str());
result.emplace_back(RunRemoval(Monitor::RemoveObject, managementSegmentName.c_str(), verbose));
} catch (bie&) {
if (verbose) {
cout << "Did not find '" << managementSegmentName << "' shared memory segment. No regions to cleanup." << endl;
}
} catch(out_of_range& oor) {
if (verbose) {
cout << "Could not locate element in the region map, out of range: " << oor.what() << endl;
}
RemoveObject("fmq_" + shmId.shmId + "_main");
RemoveMutex("fmq_" + shmId.shmId + "_mtx");
RemoveCondition("fmq_" + shmId.shmId + "_cv");
cout << endl;
}
void Monitor::Cleanup(const SessionId& sessionId)
result.emplace_back(RunRemoval(Monitor::RemoveObject, "fmq_" + shmId.shmId + "_main", verbose));
result.emplace_back(RunRemoval(Monitor::RemoveMutex, "fmq_" + shmId.shmId + "_mtx", verbose));
result.emplace_back(RunRemoval(Monitor::RemoveCondition, "fmq_" + shmId.shmId + "_cv", verbose));
return result;
}
std::vector<std::pair<std::string, bool>> Monitor::Cleanup(const SessionId& sessionId, bool verbose /* = true */)
{
ShmId shmId{buildShmIdFromSessionIdAndUserId(sessionId.sessionId)};
if (verbose) {
cout << "Cleanup called with session id '" << sessionId.sessionId << "', translating to shared memory id '" << shmId.shmId << "'" << endl;
Cleanup(shmId);
}
return Cleanup(shmId, verbose);
}
void Monitor::CleanupFull(const ShmId& shmId)
std::vector<std::pair<std::string, bool>> Monitor::CleanupFull(const ShmId& shmId, bool verbose /* = true */)
{
Cleanup(shmId);
RemoveMutex("fmq_" + shmId.shmId + "_ms");
RemoveQueue("fmq_" + shmId.shmId + "_cq");
auto result = Cleanup(shmId, verbose);
result.emplace_back(RunRemoval(Monitor::RemoveMutex, "fmq_" + shmId.shmId + "_ms", verbose));
result.emplace_back(RunRemoval(Monitor::RemoveQueue, "fmq_" + shmId.shmId + "_cq", verbose));
return result;
}
void Monitor::CleanupFull(const SessionId& sessionId)
std::vector<std::pair<std::string, bool>> Monitor::CleanupFull(const SessionId& sessionId, bool verbose /* = true */)
{
ShmId shmId{buildShmIdFromSessionIdAndUserId(sessionId.sessionId)};
if (verbose) {
cout << "Cleanup called with session id '" << sessionId.sessionId << "', translating to shared memory id '" << shmId.shmId << "'" << endl;
CleanupFull(shmId);
}
return CleanupFull(shmId, verbose);
}
Monitor::~Monitor()

23
fairmq/shmem/Monitor.h
View File

@ -14,6 +14,7 @@
#include <string>
#include <stdexcept>
#include <unordered_map>
#include <utility> // pair
#include <vector>
namespace fair
@ -65,27 +66,31 @@ class Monitor
/// @brief Cleanup all shared memory artifacts created by devices
/// @param shmId shared memory id
static void Cleanup(const ShmId& shmId);
/// @param verbose output cleanup results to stdout
static std::vector<std::pair<std::string, bool>> Cleanup(const ShmId& shmId, bool verbose = true);
/// @brief Cleanup all shared memory artifacts created by devices
/// @param sessionId session id
static void Cleanup(const SessionId& sessionId);
/// @param verbose output cleanup results to stdout
static std::vector<std::pair<std::string, bool>> Cleanup(const SessionId& sessionId, bool verbose = true);
/// @brief Cleanup all shared memory artifacts created by devices and monitors
/// @param shmId shared memory id
static void CleanupFull(const ShmId& shmId);
/// @param verbose output cleanup results to stdout
static std::vector<std::pair<std::string, bool>> CleanupFull(const ShmId& shmId, bool verbose = true);
/// @brief Cleanup all shared memory artifacts created by devices and monitors
/// @param sessionId session id
static void CleanupFull(const SessionId& sessionId);
/// @param verbose output cleanup results to stdout
static std::vector<std::pair<std::string, bool>> CleanupFull(const SessionId& sessionId, bool verbose = true);
static void PrintDebugInfo(const ShmId& shmId);
static void PrintDebugInfo(const SessionId& shmId);
static std::vector<BufferDebugInfo> GetDebugInfo(const ShmId& shmId);
static std::vector<BufferDebugInfo> GetDebugInfo(const SessionId& shmId);
static void RemoveObject(const std::string&);
static void RemoveFileMapping(const std::string&);
static void RemoveQueue(const std::string&);
static void RemoveMutex(const std::string&);
static void RemoveCondition(const std::string&);
static bool RemoveObject(const std::string& name);
static bool RemoveFileMapping(const std::string& name);
static bool RemoveQueue(const std::string& name);
static bool RemoveMutex(const std::string& name);
static bool RemoveCondition(const std::string& name);
struct DaemonPresent : std::runtime_error { using std::runtime_error::runtime_error; };