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shm: add monitor method to retrieve free segment memory

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This commit is contained in:
Alexey Rybalchenko
2021-05-14 13:36:09 +02:00
parent aaf74ad93f
commit 021c1b1c4d
4 changed files with 104 additions and 2 deletions
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23
fairmq/shmem/Monitor.h
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@@ -79,10 +79,28 @@ class Monitor
/// @param verbose output cleanup results to stdout
static std::vector<std::pair<std::string, bool>> CleanupFull(const SessionId& sessionId, bool verbose = true);
/// @brief Outputs list of messages in shmem (if compiled with FAIRMQ_DEBUG_MODE=ON)
/// @param shmId shmem id
static void PrintDebugInfo(const ShmId& shmId);
static void PrintDebugInfo(const SessionId& shmId);
/// @brief Outputs list of messages in shmem (if compiled with FAIRMQ_DEBUG_MODE=ON)
/// @param sessionId session id
static void PrintDebugInfo(const SessionId& sessionId);
/// @brief Returns a list of messages in shmem (if compiled with FAIRMQ_DEBUG_MODE=ON)
/// @param shmId shmem id
static std::unordered_map<uint16_t, std::vector<BufferDebugInfo>> GetDebugInfo(const ShmId& shmId);
static std::unordered_map<uint16_t, std::vector<BufferDebugInfo>> GetDebugInfo(const SessionId& shmId);
/// @brief Returns a list of messages in shmem (if compiled with FAIRMQ_DEBUG_MODE=ON)
/// @param sessionId session id
static std::unordered_map<uint16_t, std::vector<BufferDebugInfo>> GetDebugInfo(const SessionId& sessionId);
/// @brief Returns the amount of free memory in the specified segment
/// @param sessionId shmem id
/// @param segmentId segment id
/// @throws MonitorError
static unsigned long GetFreeMemory(const ShmId& shmId, uint16_t segmentId);
/// @brief Returns the amount of free memory in the specified segment
/// @param sessionId session id
/// @param segmentId segment id
/// @throws MonitorError
static unsigned long GetFreeMemory(const SessionId& sessionId, uint16_t segmentId);
static bool PrintShm(const ShmId& shmId);
static void ListAll(const std::string& path);
@@ -94,6 +112,7 @@ class Monitor
static bool RemoveCondition(const std::string& name);
struct DaemonPresent : std::runtime_error { using std::runtime_error::runtime_error; };
struct MonitorError : std::runtime_error { using std::runtime_error::runtime_error; };
private:
void PrintHelp();