wrench::FileTransferThread Class Reference

A helper class that implements the concept of a communication thread that performs a file transfer. More...

#include <FileTransferThread.h>

Inheritance diagram for wrench::FileTransferThread:
wrench::Service wrench::S4U_Daemon

Public Member Functions

 FileTransferThread (std::string hostname, std::shared_ptr< StorageService > parent, WorkflowFile *file, std::shared_ptr< FileLocation > src_location, std::shared_ptr< FileLocation > dsg_location, std::string answer_mailbox_if_read, std::string answer_mailbox_if_write, std::string answer_mailbox_if_copy, unsigned long buffer_size)
 Constructor. More...
 
 FileTransferThread (std::string hostname, std::shared_ptr< StorageService > parent, WorkflowFile *file, std::shared_ptr< FileLocation > src_location, std::string dst_mailbox, std::string answer_mailbox_if_read, std::string answer_mailbox_if_write, std::string answer_mailbox_if_copy, unsigned long buffer_size)
 Constructor. More...
 
 FileTransferThread (std::string hostname, std::shared_ptr< StorageService > parent, WorkflowFile *file, std::string src_mailbox, std::shared_ptr< FileLocation > dst_location, std::string answer_mailbox_if_read, std::string answer_mailbox_if_write, std::string answer_mailbox_if_copy, unsigned long buffer_size)
 Constructor. More...
 
void cleanup (bool has_returned_from_main, int return_value) override
 Cleanup method. More...
 
int main () override
 Main method. More...
 
- Public Member Functions inherited from wrench::Service
void assertServiceIsUp ()
 Throws an exception if the service is not up. More...
 
std::string getHostname ()
 Get the name of the host on which the service is / will be running. More...
 
double getMessagePayloadValue (std::string)
 Get a message payload of the Service as a double. More...
 
double getNetworkTimeoutValue ()
 Returns the service's network timeout value. More...
 
bool getPropertyValueAsBoolean (std::string)
 Get a property of the Service as a boolean. More...
 
double getPropertyValueAsDouble (std::string)
 Get a property of the Service as a double. More...
 
std::string getPropertyValueAsString (std::string)
 Get a property of the Service as a string. More...
 
unsigned long getPropertyValueAsUnsignedLong (std::string)
 Get a property of the Service as an unsigned long. More...
 
bool isUp ()
 Returns true if the service is UP, false otherwise. More...
 
void resume ()
 Resume the service. More...
 
void setNetworkTimeoutValue (double value)
 Sets the service's network timeout value. More...
 
void setStateToDown ()
 Set the state of the service to DOWN.
 
void start (std::shared_ptr< Service > this_service, bool daemonize, bool auto_restart)
 Start the service. More...
 
virtual void stop ()
 Synchronously stop the service (does nothing if the service is already stopped) More...
 
void suspend ()
 Suspend the service.
 
- Public Member Functions inherited from wrench::S4U_Daemon
 S4U_Daemon (std::string hostname, std::string process_name_prefix, std::string mailbox_prefix)
 Constructor (daemon with a mailbox) More...
 
virtual ~S4U_Daemon ()
 
void createLifeSaver (std::shared_ptr< S4U_Daemon > reference)
 Create a life saver for the daemon. More...
 
std::string getName ()
 Retrieve the process name. More...
 
int getReturnValue ()
 Returns the value returned by main() (if the daemon has returned from main) More...
 
S4U_Daemon::State getState ()
 Get the daemon's state. More...
 
bool hasReturnedFromMain ()
 Returns true if the daemon has returned from main() (i.e., not brutally killed) More...
 
bool isDaemonized ()
 Return the daemonized status of the daemon. More...
 
bool isSetToAutoRestart ()
 Return the auto-restart status of the daemon. More...
 
std::pair< bool, int > join ()
 Join (i.e., wait for) the daemon. More...
 
void resumeActor ()
 Resume the daemon/actor.
 
void setupOnExitFunction ()
 Sets up the on_exit functionf for the actor.
 
void startDaemon (bool daemonized, bool auto_restart)
 Start the daemon. More...
 
void suspendActor ()
 Suspend the daemon/actor.
 

Additional Inherited Members

- Public Types inherited from wrench::S4U_Daemon
enum  State { UP, DOWN, SUSPENDED }
 Daemon states. More...
 
- Static Public Member Functions inherited from wrench::Service
static void cleanupTrackedServices ()
 Go through the tracked services and remove all entries with a refcount of 1!
 
static void clearTrackedServices ()
 Forget all tracked services.
 
static void increaseNumCompletedServicesCount ()
 Increase the completed service count.
 
- Public Attributes inherited from wrench::S4U_Daemon
std::string hostname
 The name of the host on which the daemon is running.
 
std::string initial_mailbox_name
 The initial name of the daemon's mailbox.
 
LifeSaver * life_saver = nullptr
 The daemon's life saver.
 
std::string mailbox_name
 The current name of the daemon's mailbox.
 
std::string process_name
 The name of the daemon.
 
Simulationsimulation
 a pointer to the simulation object
 
- Protected Member Functions inherited from wrench::Service
 Service (std::string hostname, std::string process_name_prefix, std::string mailbox_name_prefix)
 Constructor. More...
 
 ~Service ()
 Destructor.
 
template<class T >
std::shared_ptr< T > getSharedPtr ()
 Method to retrieve the shared_ptr to a service. More...
 
void serviceSanityCheck ()
 Check whether the service is properly configured and running. More...
 
void setMessagePayload (std::string, double)
 Set a message payload of the Service. More...
 
void setMessagePayloads (std::map< std::string, double > default_messagepayload_values, std::map< std::string, double > overriden_messagepayload_values)
 Set default and user-defined message payloads. More...
 
void setProperties (std::map< std::string, std::string > default_property_values, std::map< std::string, std::string > overriden_property_values)
 Set default and user-defined properties. More...
 
void setProperty (std::string, std::string)
 Set a property of the Service. More...
 
- Protected Member Functions inherited from wrench::S4U_Daemon
void acquireDaemonLock ()
 Lock the daemon's lock.
 
void killActor ()
 Kill the daemon/actor (does nothing if already dead) More...
 
void releaseDaemonLock ()
 Unlock the daemon's lock.
 
void runMainMethod ()
 Method that run's the user-defined main method (that's called by the S4U actor class)
 
- Static Protected Member Functions inherited from wrench::Service
static void assertServiceIsUp (std::shared_ptr< Service > s)
 Assert for the service being up. More...
 
template<class T >
static std::shared_ptr< T > getServiceByName (std::string name)
 Method to retrieve the shared_ptr to a service based on the service's name (not efficient) More...
 
- Protected Attributes inherited from wrench::Service
std::map< std::string, double > messagepayload_list
 The service's messagepayload list.
 
std::string name
 The service's name.
 
double network_timeout = 30.0
 The time (in seconds) after which a service that doesn't send back a reply (control) message causes a NetworkTimeOut exception. (default: 30 second; if <0 never timeout)
 
std::map< std::string, std::string > property_list
 The service's property list.
 
- Protected Attributes inherited from wrench::S4U_Daemon
unsigned int num_starts = 0
 The number of time that this daemon has started (i.e., 1 + number of restarts)
 
State state
 The service's state.
 

Detailed Description

A helper class that implements the concept of a communication thread that performs a file transfer.

Constructor & Destructor Documentation

◆ FileTransferThread() [1/3]

wrench::FileTransferThread::FileTransferThread ( std::string  hostname,
std::shared_ptr< StorageService parent,
WorkflowFile file,
std::string  src_mailbox,
std::shared_ptr< FileLocation dst_location,
std::string  answer_mailbox_if_read,
std::string  answer_mailbox_if_write,
std::string  answer_mailbox_if_copy,
unsigned long  buffer_size 
)

Constructor.

Parameters
hostnamehost on which to run
parentthe parent storage service
filethe file corresponding to the connection
src_mailboxthe a source mailbox to receive data from
dst_locationa location to write data to
answer_mailbox_if_readthe mailbox to send an answer to in case this was a file read ("" if none). This will simply be reported to the parent service, who may use it as needed
answer_mailbox_if_writethe mailbox to send an answer to in case this was a file write ("" if none). This will simply be reported to the parent service, who may use it as needed
answer_mailbox_if_copythe mailbox to send an answer to in case this was a file copy ("" if none). This will simply be reported to the parent service, who may use it as needed
buffer_sizethe buffer size to use

◆ FileTransferThread() [2/3]

wrench::FileTransferThread::FileTransferThread ( std::string  hostname,
std::shared_ptr< StorageService parent,
WorkflowFile file,
std::shared_ptr< FileLocation src_location,
std::string  dst_mailbox,
std::string  answer_mailbox_if_read,
std::string  answer_mailbox_if_write,
std::string  answer_mailbox_if_copy,
unsigned long  buffer_size 
)

Constructor.

Parameters
hostnamehost on which to run
parentthe parent storage service
filethe file corresponding to the connection
src_locationa location to read data from
dst_mailboxa mailbox to send data to
answer_mailbox_if_readthe mailbox to send an answer to in case this was a file read ("" if none). This will simply be reported to the parent service, who may use it as needed
answer_mailbox_if_writethe mailbox to send an answer to in case this was a file write ("" if none). This will simply be reported to the parent service, who may use it as needed
answer_mailbox_if_copythe mailbox to send an answer to in case this was a file copy ("" if none). This will simply be reported to the parent service, who may use it as needed
buffer_sizethe buffer size to use

◆ FileTransferThread() [3/3]

wrench::FileTransferThread::FileTransferThread ( std::string  hostname,
std::shared_ptr< StorageService parent,
WorkflowFile file,
std::shared_ptr< FileLocation src_location,
std::shared_ptr< FileLocation dst_location,
std::string  answer_mailbox_if_read,
std::string  answer_mailbox_if_write,
std::string  answer_mailbox_if_copy,
unsigned long  buffer_size 
)

Constructor.

Parameters
hostnamehost on which to run
parentthe parent storage service
filethe file corresponding to the connection
src_locationa location to read data from
dst_locationa location to send data to
answer_mailbox_if_readthe mailbox to send an answer to in case this was a file read ("" if none). This will simply be reported to the parent service, who may use it as needed
answer_mailbox_if_writethe mailbox to send an answer to in case this was a file write ("" if none). This will simply be reported to the parent service, who may use it as needed
answer_mailbox_if_copythe mailbox to send an answer to in case this was a file copy ("" if none). This will simply be reported to the parent service, who may use it as needed
buffer_sizethe buffer size to use

Member Function Documentation

◆ cleanup()

void wrench::FileTransferThread::cleanup ( bool  has_returned_from_main,
int  return_value 
)
overridevirtual

Cleanup method.

Parameters
has_returned_from_mainwhether main() returned
return_valuethe return value (if main() returned)

Reimplemented from wrench::S4U_Daemon.

◆ main()

int wrench::FileTransferThread::main ( )
overridevirtual

Main method.

Returns
0 on success, non-zero otherwise

Sending a local file to the network

Receiving a file from the network

Copying a local file

Downloading a file from another storage service

Implements wrench::S4U_Daemon.


The documentation for this class was generated from the following files: