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NCBI C++ ToolKit: src/misc/netstorage/state.cpp Source File

78  size_t

bytes_read_local = 0;

81  if

(bytes_read !=

NULL

)

82

*bytes_read = bytes_read_local;

226  "Cannot open \""

<<

GetLoc

() <<

"\" for writing."

);

242  "Object creation is disabled (no backend storages were provided)"

);

250  "NetStorageObject \""

<<

GetLoc

() <<

251  "\" could not be found in any of the designated locations."

);

279  "NetStorageObject \""

<<

GetLoc

() <<

280  "\" could not be found in any of the designated locations."

);

287  "NetStorageObject \""

<<

GetLoc

() <<

288  "\" could not be found in any of the designated locations."

);

296  "NetStorageObject \""

<<

GetLoc

() <<

297  "\" could not be found in any of the designated locations."

);

356  m_Read

.Set(std::move(reader), blob_size);

367 #define NC_CHECK_VERSION(object_loc) \ 368  if (object_loc.GetVersion().IsNull()) { \ 369  NCBI_THROW_FMT(CNetStorageException, eInvalidArg, \ 370  "Null version is not supported"

); \

373 #define NC_GET_ARGS(object_loc) \ 374  object_loc.GetShortUniqueKey(), object_loc.GetVersion(), object_loc.GetSubKey(), \ 375  nc_cache_name = object_loc.GetAppDomain() 391  m_Write

.Set(std::move(writer));

425  while

(

output

.ReadLine(line))

437

&object_loc, blob_size, blob_info);

443 #define NC_EXISTS_IMPL(object_loc) \ 444  if (!m_Client.HasBlob(object_loc.GetShortUniqueKey(), \ 445  object_loc.GetSubKey(), nc_cache_name = object_loc.GetAppDomain())) { \ 447  NCBI_THROW_FMT(CNetStorageException, eNotExists, \ 448  "NetStorageObject \""

<< object_loc.GetLocator() << \

449

"\" does not exist in NetCache."); \

507  "NetStorageObject \""

<<

GetLoc

() <<

508  "\" is not a FileTrack object"

);

573  Locator

()).GetInteger(

"size"

);

581  m_Context

->filetrack_api.GetFileInfo(object_loc);

597 #define FT_EXISTS_IMPL(object_loc) \ 598  if (!m_Context->filetrack_api.GetFileInfo(object_loc)) { \ 600  NCBI_THROW_FMT(CNetStorageException, eNotExists, \ 601  "NetStorageObject \""

<< object_loc.GetLocator() << \

602

"\" does not exist in FileTrack."); \

617  m_Context

->filetrack_api.Remove(object_loc);

629  "SetExpiration() is not supported for FileTrack"

);

644  if

(my_ncbi_id)

return

make_pair(

string

(

"my_ncbi_id"

), my_ncbi_id.

Repr

());

663  if

(!service.empty()) {

664  const string

section =

"service_"

+ service;

671  return "netstorage_api"

;

677  const string

param_name =

"filetrack"

;

679  const string

ft_section =

registry

.

Get

(service_section, param_name);

686  const string

param_name =

"netcache"

;

688  const string

nc_section =

registry

.

Get

(service_section, param_name);

700  if

(!app_domain.empty())

return

app_domain;

705  if

(!cache_name.empty())

return

cache_name;

713  size_t

default_value)

715  const string

param_name =

"relocate_chunk"

;

717  return registry

.

GetInt

(service_section, param_name,

static_cast<int>

(default_value));

726

filetrack_api(

config

.ft),

727

default_flags(

flags

),

787  const string

&

value

)

Pool of recycled CCompoundID objects.

Int8 AsInteger() const

Provided that this is a numeric node (that is, either an integer or a floating point node),...

static CJsonNode GuessType(const CTempString &value)

Guess the type of a JSON scalar from the string representation of its value and initialize a new node...

string Repr(TReprFlags flags=0) const

Return a string representation of this node.

void SetByKey(const string &key, CJsonNode::TInstance value)

For a JSON object node, insert a new element or update an existing element.

bool IsInteger() const

Return true for an integer node. Return false otherwise.

static CJsonNode NewObjectNode()

Create a new JSON object node.

CJsonNode GetByKeyOrNull(const string &key) const

For a JSON object node, return the value associated with the specified key.

Client to NetCache server (implements ICache interface)

const string & GetServiceName() const

Exception class for use by CNetStorage, CNetStorageByKey, and CNetStorageObject.

Detailed information about a CNetStorage object.

string GetShortUniqueKey() const

string GetAppDomain() const

string GetNCServiceName() const

const TVersion & GetVersion() const

string GetLocator() const

const string & GetSubKey() const

ENetStorageObjectLocation GetLocation() const

void SetLocation(const string &nc_service_name)

CTimeout – Timeout interval.

CRef< SContext > m_Context

TState< CROFileTrack > m_Read

ENetStorageRemoveResult Remove() override

void SetLocator() override

INetStorageObjectState * StartWrite(const void *, size_t, size_t *, ERW_Result *) override

CNetStorageObjectInfo GetInfo() override

TState< CWOFileTrack > m_Write

void SetExpiration(const CTimeout &) override

string FileTrack_Path() override

pair< string, string > GetUserInfo() override

INetStorageObjectState * StartRead(void *, size_t, size_t *, ERW_Result *) override

TState< CRONetCache > m_Read

pair< string, string > GetUserInfo() override

void SetLocator() override

void SetExpiration(const CTimeout &) override

ENetStorageRemoveResult Remove() override

CNetICacheClientExt m_Client

TState< CWONetCache > m_Write

string FileTrack_Path() override

INetStorageObjectState * StartWrite(const void *, size_t, size_t *, ERW_Result *) override

CRef< SContext > m_Context

CNetStorageObjectInfo GetInfo() override

INetStorageObjectState * StartRead(void *, size_t, size_t *, ERW_Result *) override

void SetExpiration(const CTimeout &) override

TState< CRWNotFound > m_RW

string FileTrack_Path() override

void SetLocator() override

pair< string, string > GetUserInfo() override

CNetStorageObjectInfo GetInfo() override

ENetStorageRemoveResult Remove() override

INetStorageObjectState * StartRead(void *, size_t, size_t *, ERW_Result *) override

INetStorageObjectState * StartWrite(const void *, size_t, size_t *, ERW_Result *) override

ERW_Result PendingCount(size_t *count) override

Via parameter "count" (which is guaranteed to be supplied non-NULL) return the number of bytes that a...

ERW_Result Read(void *buf, size_t count, size_t *read) override

Read as many as "count" bytes into a buffer pointed to by the "buf" argument.

ERW_Result Read(void *buf, size_t count, size_t *read) override

Read as many as "count" bytes into a buffer pointed to by the "buf" argument.

unique_ptr< IReader > TReaderPtr

ERW_Result PendingCount(size_t *count) override

Via parameter "count" (which is guaranteed to be supplied non-NULL) return the number of bytes that a...

ERW_Result Read(void *buf, size_t count, size_t *read) override

Read as many as "count" bytes into a buffer pointed to by the "buf" argument.

ERW_Result Write(const void *buf, size_t count, size_t *written) override

Write up to "count" bytes from the buffer pointed to by the "buf" argument onto the output device.

ERW_Result PendingCount(size_t *count) override

Via parameter "count" (which is guaranteed to be supplied non-NULL) return the number of bytes that a...

ERW_Result Flush() override

Flush pending data (if any) down to the output device.

ERW_Result Write(const void *buf, size_t count, size_t *written) override

Write up to "count" bytes from the buffer pointed to by the "buf" argument onto the output device.

unique_ptr< IEmbeddedStreamWriter > TWriterPtr

ERW_Result Write(const void *buf, size_t count, size_t *written) override

Write up to "count" bytes from the buffer pointed to by the "buf" argument onto the output device.

ERW_Result Flush() override

Flush pending data (if any) down to the output device.

CNetStorageFlagsSubset< fNST_AnyLoc > TNetStorageLocFlags

static SQLCHAR output[256]

TErrCode GetErrCode(void) const

Get error code.

#define NCBI_THROW_FMT(exception_class, err_code, message)

The same as NCBI_THROW but with message processed as output to ostream.

#define nc_caching_mode

Caching mode.

#define nc_cache_name

In ICache mode, override the name of the cache specified in the CNetICacheClient constructor.

virtual string GetCacheName(void) const

void RemoveBlob(const string &key, int version, const string &subkey, const CNamedParameterList *optional=NULL)

CNetServerMultilineCmdOutput GetBlobInfo(const string &key, int version, const string &subkey, const CNamedParameterList *optional=NULL)

Return a CNetServerMultilineCmdOutput object for reading meta information about the specified blob.

size_t GetBlobSize(const string &key, int version, const string &subkey, const CNamedParameterList *optional=NULL)

Returns the size of the BLOB identified by the "key", "version", and "subkey" parameters.

IEmbeddedStreamWriter * GetNetCacheWriter(const string &key, int version, const string &subkey, const CNamedParameterList *optional=NULL)

Create or update the specified blob.

unsigned TNetStorageFlags

Bitwise OR of ENetStorageFlags.

ENetStorageRemoveResult

Result returned by Remove() methods.

@ fNST_NetCache

Use NetCache as the primary storage.

@ fNST_FileTrack

Use FileTrack as the primary storage.

@ eNotExists

Illegal op applied to non-existent object.

@ eNSTRR_Removed

Object has been removed successfully.

@ eNSTRR_NotFound

Removing failed due to object not found.

void Reset(void)

Reset reference object.

uint64_t Uint8

8-byte (64-bit) unsigned integer

void Randomize(void)

Re-initialize (re-seed) the generator using platform-specific randomization.

virtual const string & Get(const string &section, const string &name, TFlags flags=0) const

Get the parameter value.

virtual int GetInt(const string &section, const string &name, int default_value, TFlags flags=0, EErrAction err_action=eThrow) const

Get integer value of specified parameter name.

virtual bool HasEntry(const string &section, const string &name=kEmptyStr, TFlags flags=0) const

#define END_NCBI_SCOPE

End previously defined NCBI scope.

#define BEGIN_NCBI_SCOPE

Define ncbi namespace.

ERW_Result

Result codes for I/O operations.

@ eRW_Error

Unrecoverable error, no retry possible.

@ eRW_Success

Everything is okay, I/O completed.

static int CompareNocase(const CTempString s1, SIZE_TYPE pos, SIZE_TYPE n, const char *s2)

Case-insensitive compare of a substring with another string.

static bool SplitInTwo(const CTempString str, const CTempString delim, string &str1, string &str2, TSplitFlags flags=0)

Split a string into two pieces using the specified delimiters.

@ fSplit_ByPattern

Require full delimiter strings.

void Set(EType type)

Set special value.

bool IsFinite() const

Check if timeout holds a numeric value.

string s_GetSection(const IRegistry &registry, const string &service, const string &name)

string s_GetAppDomain(const string &app_domain, CNetICacheClient &nc_client)

const size_t kRelocateChunk

SFileTrackConfig s_GetFTConfig(const IRegistry &registry, const string &service)

CNetICacheClient s_GetICClient(const SCombinedNetStorageConfig &c)

size_t s_GetRelocateChunk(const IRegistry &registry, const string &service, size_t default_value)

const string version

version string

const struct ncbi::grid::netcache::search::fields::KEY key

const struct ncbi::grid::netcache::search::fields::SUBKEY subkey

const GenericPointer< typename T::ValueType > T2 value

@ eVoid

To create a void (uninitialized) instance of a component.

#define NETSTORAGE_CONVERT_NETCACHEEXCEPTION(message)

CNetStorageObjectInfo g_CreateNetStorageObjectInfo(const string &object_loc, ENetStorageObjectLocation location, const CNetStorageObjectLoc *object_loc_struct, Uint8 file_size, CJsonNode::TInstance storage_specific_info)

#define NC_CHECK_VERSION(object_loc)

#define NC_GET_ARGS(object_loc)

#define FT_EXISTS_IMPL(object_loc)

#define NC_EXISTS_IMPL(object_loc)

IReader * GetReadStream(const string &key, const string &subkey, int *version, size_t *blob_size_ptr, const CNamedParameterList *optional=NULL)

void ProlongBlobLifetime(const string &key, const string &subkey, const CTimeout &ttl, const CNamedParameterList *optional=NULL)

virtual string GetLoc() const =0

SContext(const SCombinedNetStorageConfig &, TNetStorageFlags)

TNetStorageFlags default_flags

CNetICacheClientExt icache_client

SFileTrackAPI filetrack_api

void ParseArg(const string &, const string &)

static EMode GetMode(const string &)

bool ParseArg(const string &, const string &)

ERW_Result Read(void *buf, size_t count, size_t *bytes_read)

void Write(const void *buf, size_t count, size_t *bytes_written)

CNetStorageObjectLoc & Locator() override

string GetLoc() const override

void ParseArg(const string &, const string &)


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