DATA TRANSFER WITH RESUME COMMAND
Techniques for data transfer are described herein. In an example, a command to transfer a first data file is received at a computing device. The computing device determines if at least two processes exist, or do not exist, from among processes including: a first transfer process of the first data file; a second transfer process of a second data file; and a third process, not related to the first data-transfer or the second data-transfer. An action is selected from among a plurality of actions, wherein the selecting is based at least in part on which processes were found to exist. The plurality of actions may include: resuming the first transfer process; canceling the second transfer process and starting a new process to transfer the first data file; rejecting the command; allowing the third process to conclude and then starting the new process to transfer the first data file; and starting the new process to transfer the first data file.
1 . One or more non-transitory computer-readable media storing computer-executable instructions that, when executed by one or more processors, configure a computing device to perform actions comprising:
receiving a command to transfer a first data file;
determining if at least two processes exist or do not exist from among processes comprising:
a first data-transfer process of the first data file;
a second data-transfer process of a second data file; and
a third process, not related to the first data-transfer process or the second data-transfer process; and
selecting an action from among a plurality of actions, wherein the selecting is based at least in part on which processes were found to exist, from among processes comprising: the first data-transfer process; the second data-transfer process, and the third process;
wherein the plurality of actions comprises:
resuming the first data-transfer process;
canceling the second data-transfer process and starting a new data-transfer process to transfer the first data file;
rejecting the command;
allowing the third process to conclude and then starting the new data-transfer process to transfer the first data file; and
starting the new data-transfer process to transfer the first data file.
2 . The one or more non-transitory computer-readable media as recited in claim 1 , the actions additionally comprising:
checking the command for a cancel-if-necessary notation; and
responsive to finding the cancel-if-necessary notation, cancelling the second data-transfer process and starting the new data-transfer process to transfer the first data file.
3 . The one or more non-transitory computer-readable media as recited in claim 1 , the actions additionally comprising:
determining if the third process will conclude within a threshold period of time; and
responsive to finding that the third process will conclude within the threshold period of time, allowing the third process to conclude and starting the new data-transfer process to transfer the first data file.
4 . The one or more non-transitory computer-readable media as recited in claim 1 , where:
responsive to confirmed existence of the first data-transfer process, resuming the first data-transfer process;
responsive to confirmed existence of the second data-transfer process and a cancel-if-necessary indicator in the command, canceling the second data-transfer process and starting the new data-transfer process to transfer the first data file;
responsive to existence of the second data-transfer process or existence of the third process, wherein the third process will not conclude within a threshold period of time, rejecting the command;
responsive to the third process ending within the threshold period of time, allowing the third process to conclude and starting the new data-transfer process to transfer the first data file; and
responsive to the existence of none of: the first data-transfer process; the second data-transfer process; and the third process, starting the new data-transfer process to transfer the first data file.
5 . The one or more non-transitory computer-readable media as recited in claim 1 , wherein determining if the first data-transfer process exists comprises:
comparing information included with the command to information on data transfers in operation in the computing device.
6 . The one or more non-transitory computer-readable media as recited in claim 1 , wherein determining if the first data-transfer process of the first data file exists comprises comparing values comprising:
values of parameters passed in a Device Language Message Specification (DLMS)/Companion Specification for Energy Metering (COSEM) methods of execution; and
values of parameters in attributes of DLMS/COSEM object(s) that hold information on data-file transfers in the computing device.
7 . The one or more non-transitory computer-readable media as recited in claim 1 , wherein the computer-executable instructions of the non-transitory computer-readable media are configured to operate the computing device within a Device Language Message Specification (DLMS)/Companion Specification for Energy Metering (COSEM) environment.
8 . A computing device, comprising:
a processor;
one or more memory devices in communication with the processor;
statements, defined in the one or more memory devices, which when executed by the processor to perform actions comprising:
receiving a command to transfer a first data file;
determining if at least two processes exist or do not exist from among processes comprising:
a first data-transfer process of the first data file;
a second data-transfer process of a second data file; and
a third process, not related to the first data-transfer process or the second data-transfer process; and
selecting an action from among a plurality of actions, wherein the selecting is based at least in part on which processes were found to exist, from among processes comprising: the first data-transfer process; the second data-transfer process, and the third process;
wherein the plurality of actions comprises:
resuming the first data-transfer process;
canceling the second data-transfer process and starting a new data-transfer process to transfer the first data file;
rejecting the command;
allowing the third process to conclude and then starting the new data-transfer process to transfer the first data file; and
starting the new data-transfer process to transfer the first data file.
9 . The computing device of claim 8 , the actions additionally comprising:
checking the command for a cancel-if-necessary notation; and
responsive to finding the cancel-if-necessary notation, cancelling the second data-transfer process and starting the new data-transfer process to transfer the first data file.
10 . The computing device of claim 8 , the actions additionally comprising:
determining if the third process will conclude within a threshold period of time; and
responsive to finding that the third process will conclude within the threshold period of time, allowing the third process to conclude and starting the new data-transfer process to transfer the first data file.
11 . The computing device of claim 8 , wherein:
responsive to confirmed existence of the first data-transfer process, resuming the first data-transfer process;
responsive to confirmed existence of the second data-transfer process and a cancel-if-necessary indicator in the command, canceling the second data-transfer process and starting the new data-transfer process to transfer the first data file;
responsive to existence of the second data-transfer process and the lack of a cancel-if-necessary indicator in the command or existence of the third process, wherein the third process will not conclude within a threshold period of time, rejecting the command;
responsive to the third process ending within the threshold period of time, allowing the third process to conclude and starting the new data-transfer process to transfer the first data file; and
responsive to the existence of none of: the first data-transfer process; the second data-transfer process; and the third process, starting the new data-transfer process to transfer the first data file.
12 . The computing device of claim 8 , wherein determining if the first data-transfer process exists comprises:
comparing information included with the command to information on data transfers in operation in the computing device.
13 . The computing device of claim 8 , wherein determining if the first data-transfer process of the first data file exists comprises comparing values comprising:
values of parameters passed in a Device Language Message Specification (DLMS)/Companion Specification for Energy Metering (COSEM) methods of execution; and
values of parameters in attributes of DLMS/COSEM object(s) that hold information on data-file transfers in the computing device.
14 . The computing device of claim 8 , wherein the actions are configured to operate the computing device within a Device Language Message Specification (DLMS)/Companion Specification for Energy Metering (COSEM) environment.
15 . A method for operating a computing device, comprising:
receiving a command to transfer a first data file;
determining if at least two processes exist or do not exist from among processes comprising:
a first data-transfer process of the first data file;
a second data-transfer process of a second data file; and
a third process, not related to the first data-transfer process or the second data-transfer process; and
selecting an action from among a plurality of actions, wherein the selecting is based at least in part on which processes were found to exist, from among processes comprising: the first data-transfer process; the second data-transfer process, and the third process;
wherein the plurality of actions comprises:
resuming the first data-transfer process;
canceling the second data-transfer process and starting a new data-transfer process to transfer the first data file;
rejecting the command;
allowing the third process to conclude and then starting the new data-transfer process to transfer the first data file; and
starting the new data-transfer process to transfer the first data file.
16 . The method as recited in claim 15 , additionally comprising:
checking the command for a cancel-if-necessary notation; and
responsive to finding the cancel-if-necessary notation, cancelling the second data-transfer process and starting the new data-transfer process to transfer the first data file.
17 . The method as recited in claim 15 , additionally comprising:
determining if the third process will conclude within a threshold period of time; and
responsive to finding that the third process will conclude within the threshold period of time, allowing the third process to conclude and starting the new data-transfer process to transfer the first data file.
18 . The method as recited in claim 15 , wherein:
responsive to confirmed existence of the first data-transfer process, resuming the first data-transfer process;
responsive to confirmed existence of the second data-transfer process and a cancel-if-necessary indicator in the command, canceling the second data-transfer process and starting the new data-transfer process to transfer the first data file;
responsive to existence of the second data-transfer process and the lack of a cancel-if-necessary indicator in the command or existence of the third process, wherein the third process will not conclude within a threshold period of time, rejecting the command;
responsive to the third process ending within the threshold period of time, allowing the third process to conclude, and starting the new data-transfer process to transfer the first data file; and
responsive to the existence of none of: the first data-transfer process; the second data-transfer process; and the third process, starting the new data-transfer process to transfer the first data file.
19 . The method as recited in claim 15 , wherein determining if the first data-transfer process exists comprises:
comparing information included with the command to information on data transfers in operation in the computing device.
20 . The method as recited in claim 15 , wherein determining if the first data-transfer process of the first data file exists comprises comparing values comprising:
values of parameters passed in a Device Language Message Specification (DLMS)/Companion Specification for Energy Metering (COSEM) methods of execution; and
values of parameters in attributes of DLMS/COSEM object(s) that hold information on data-file transfers in the computing device.