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Adjust transfer methods behaviour when interrupted

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A transer is attempted even if the transport has been interrupted
(with a timeout). When the timeout is reached, transfer methods will
return TransferResult::interrupted (-3).
This commit is contained in:
Alexey Rybalchenko
2020-09-15 17:18:53 +02:00
committed by Dennis Klein
parent 5e97d85956
commit 6932f88c84
8 changed files with 169 additions and 91 deletions
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12
fairmq/FairMQChannel.h
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@@ -250,7 +250,7 @@ class FairMQChannel
/// Sends a message to the socket queue.
/// @param msg Constant reference of unique_ptr to a FairMQMessage
/// @param sndTimeoutInMs send timeout in ms. -1 will wait forever (or until interrupt (e.g. via state change)), 0 will not wait (return immediately if cannot send)
/// @return Number of bytes that have been queued. -2 If queueing was not possible or timed out. -1 if there was an error.
/// @return Number of bytes that have been queued, TransferResult::timeout if timed out, TransferResult::error if there was an error, TransferResult::interrupted if interrupted (e.g. by requested state change)
int Send(FairMQMessagePtr& msg, int sndTimeoutInMs = -1)
{
CheckSendCompatibility(msg);
@@ -260,7 +260,7 @@ class FairMQChannel
/// Receives a message from the socket queue.
/// @param msg Constant reference of unique_ptr to a FairMQMessage
/// @param rcvTimeoutInMs receive timeout in ms. -1 will wait forever (or until interrupt (e.g. via state change)), 0 will not wait (return immediately if cannot receive)
/// @return Number of bytes that have been received. -2 if reading from the queue was not possible or timed out. -1 if there was an error.
/// @return Number of bytes that have been received, TransferResult::timeout if timed out, TransferResult::error if there was an error, TransferResult::interrupted if interrupted (e.g. by requested state change)
int Receive(FairMQMessagePtr& msg, int rcvTimeoutInMs = -1)
{
CheckReceiveCompatibility(msg);
@@ -270,7 +270,7 @@ class FairMQChannel
/// Send a vector of messages
/// @param msgVec message vector reference
/// @param sndTimeoutInMs send timeout in ms. -1 will wait forever (or until interrupt (e.g. via state change)), 0 will not wait (return immediately if cannot send)
/// @return Number of bytes that have been queued. -2 If queueing was not possible or timed out. -1 if there was an error.
/// @return Number of bytes that have been queued, TransferResult::timeout if timed out, TransferResult::error if there was an error, TransferResult::interrupted if interrupted (e.g. by requested state change)
int64_t Send(std::vector<FairMQMessagePtr>& msgVec, int sndTimeoutInMs = -1)
{
CheckSendCompatibility(msgVec);
@@ -280,7 +280,7 @@ class FairMQChannel
/// Receive a vector of messages
/// @param msgVec message vector reference
/// @param rcvTimeoutInMs receive timeout in ms. -1 will wait forever (or until interrupt (e.g. via state change)), 0 will not wait (return immediately if cannot receive)
/// @return Number of bytes that have been received. -2 if reading from the queue was not possible or timed out. -1 if there was an error.
/// @return Number of bytes that have been received, TransferResult::timeout if timed out, TransferResult::error if there was an error, TransferResult::interrupted if interrupted (e.g. by requested state change)
int64_t Receive(std::vector<FairMQMessagePtr>& msgVec, int rcvTimeoutInMs = -1)
{
CheckReceiveCompatibility(msgVec);
@@ -290,7 +290,7 @@ class FairMQChannel
/// Send FairMQParts
/// @param parts FairMQParts reference
/// @param sndTimeoutInMs send timeout in ms. -1 will wait forever (or until interrupt (e.g. via state change)), 0 will not wait (return immediately if cannot send)
/// @return Number of bytes that have been queued. -2 If queueing was not possible or timed out. -1 if there was an error.
/// @return Number of bytes that have been queued, TransferResult::timeout if timed out, TransferResult::error if there was an error, TransferResult::interrupted if interrupted (e.g. by requested state change)
int64_t Send(FairMQParts& parts, int sndTimeoutInMs = -1)
{
return Send(parts.fParts, sndTimeoutInMs);
@@ -299,7 +299,7 @@ class FairMQChannel
/// Receive FairMQParts
/// @param parts FairMQParts reference
/// @param rcvTimeoutInMs receive timeout in ms. -1 will wait forever (or until interrupt (e.g. via state change)), 0 will not wait (return immediately if cannot receive)
/// @return Number of bytes that have been received. -2 if reading from the queue was not possible or timed out. -1 if there was an error.
/// @return Number of bytes that have been received, TransferResult::timeout if timed out, TransferResult::error if there was an error, TransferResult::interrupted if interrupted (e.g. by requested state change)
int64_t Receive(FairMQParts& parts, int rcvTimeoutInMs = -1)
{
return Receive(parts.fParts, rcvTimeoutInMs);