Information processing method, electronic device and computer storage medium
In illustrative embodiments, an information processing method, an electronic device, and a computer-readable storage medium are provided. The method includes: if it is determined that a predetermined indicator is detected in a header of a received packet, acquiring information for indicating a source port, a destination port, a forwarding indicator, a process identifier, and a maximum number of processes of the packet from the header; updating a port forwarding table based on the source port, the destination port, and the forwarding indicator; performing a user-defined action on the packet to obtain a result packet; and if it is determined that a quantity of process identifiers reaches the maximum number of processes, determining one or more forwarding ports for the result packet based on the maximum number of processes, the forwarding indicator, and the updated port forwarding table, to forward the result packet to the one or more forwarding ports.
1. An information processing method, comprising:
in response to determining that a predetermined indicator is detected in a header of a received packet, acquiring information for indicating a source port, a destination port, a forwarding indicator, a process identifier, and a maximum number of processes of the packet from the header;
updating a port forwarding table based on the source port, the destination port, and the forwarding indicator;
performing a user-defined action on the packet to obtain a result packet; and
in response to determining that a quantity of process identifiers reaches the maximum number of processes, determining one or more forwarding ports for the result packet based on the maximum number of processes, the forwarding indicator, and the updated port forwarding table, to forward the result packet to the one or more forwarding ports.
2. The method according to claim 1 , wherein updating the port forwarding table comprises:
searching for the source port in the port forwarding table; and
in response to determining that the source port is not found in the port forwarding table, adding the source port, the destination port, and the forwarding indicator into the port forwarding table as an entry.
3. The method according to claim 2 , wherein updating the port forwarding table further comprises:
in response to determining that the source port is found in the port forwarding table, searching for the destination port in the entry of the port forwarding table corresponding to the source port; and
in response to determining that the destination port is not found in the entry of the port forwarding table corresponding to the source port, adding the source port, the destination port, and the forwarding indicator into the port forwarding table as an entry.
4. The method according to claim 3 , wherein updating the port forwarding table further comprises:
in response to determining that the destination port is found in the entry of the port forwarding table corresponding to the source port, determining whether the acquired forwarding indicator is the same as the forwarding indicator in the entry of the port forwarding table corresponding to the source port and the destination port; and
in response to determining that the acquired forwarding indicator is different from the forwarding indicator in the entry of the port forwarding table corresponding to the source port and the destination port, updating the forwarding indicator in the entry of the port forwarding table corresponding to the source port and the destination port with the acquired forwarding indicator.
5. The method according to claim 1 , wherein determining one or more forwarding ports for the result packet comprises:
in response to determining that the maximum number of processes is equal to 1, determining whether the forwarding indicator indicates unicast; and
in response to determining that the forwarding indicator indicates unicast, determining that the destination port is the forwarding port.
6. The method according to claim 1 , wherein determining one or more forwarding ports for the result packet comprises:
in response to determining that the maximum number of processes is greater than 1, determining whether the forwarding indicator indicates multicast; and
in response to determining that the forwarding indicator indicates multicast, acquiring destination ports in entries of the port forwarding table corresponding to the forwarding indicator as the forwarding ports.
7. The method according to claim 1 , wherein determining one or more forwarding ports for the result packet comprises:
in response to determining that the maximum number of processes is greater than 1, determining whether the forwarding indicator indicates broadcast; and
in response to determining that the forwarding indicator indicates broadcast, acquiring all destination ports in the updated port forwarding table as the forwarding ports.
8. The method according to claim 1 , wherein acquiring the information for indicating the source port, the destination port, the forwarding indicator, the process identifier, and the maximum number of processes of the packet from the header comprises:
extracting a tuple for indicating a header structure of the packet from the header; and
extracting tuples for indicating the source port, the destination port, the forwarding indicator, the process identifier, and the maximum number of processes of the packet from the header based on the tuple.
9. The method according to claim 1 , wherein performing the user-defined action on the packet comprises:
performing the user-defined action on the packet and a previous result packet to obtain the result packet.
10. An electronic device, comprising:
at least one processing unit; and
at least one memory, coupled to the at least one processing unit and storing instructions executed by the at least one processing unit, wherein the instructions, when executed by the at least one processing unit, enable the device to implement steps of:
in response to determining that a predetermined indicator is detected in a header of a received packet, acquiring information for indicating a source port, a destination port, a forwarding indicator, a process identifier, and a maximum number of processes of the packet from the header;
updating a port forwarding table based on the source port, the destination port, and the forwarding indicator;
performing a user-defined action on the packet to obtain a result packet; and
in response to determining that a quantity of process identifiers reaches the maximum number of processes, determining one or more forwarding ports for the result packet based on the maximum number of processes, the forwarding indicator, and the updated port forwarding table, to forward the result packet to the one or more forwarding ports.
11. The electronic device according to claim 10 , wherein updating the port forwarding table comprises:
searching for the source port in the port forwarding table; and
in response to determining that the source port is not found in the port forwarding table, adding the source port, the destination port, and the forwarding indicator into the port forwarding table as an entry.
12. The electronic device according to claim 11 , wherein updating the port forwarding table further comprises:
in response to determining that the source port is found in the port forwarding table, searching for the destination port in the entry of the port forwarding table corresponding to the source port; and
in response to determining that the destination port is not found in the entry of the port forwarding table corresponding to the source port, adding the source port, the destination port, and the forwarding indicator into the port forwarding table as an entry.
13. The electronic device according to claim 12 , wherein updating the port forwarding table further comprises:
in response to determining that the destination port is found in the entry of the port forwarding table corresponding to the source port, determining whether the acquired forwarding indicator is the same as the forwarding indicator in the entry of the port forwarding table corresponding to the source port and the destination port; and
in response to determining that the acquired forwarding indicator is different from the forwarding indicator in the entry of the port forwarding table corresponding to the source port and the destination port, updating the forwarding indicator in the entry of the port forwarding table corresponding to the source port and the destination port with the acquired forwarding indicator.
14. The electronic device according to claim 10 , wherein determining one or more forwarding ports for the result packet comprises:
in response to determining that the maximum number of processes is equal to 1, determining whether the forwarding indicator indicates unicast; and
in response to determining that the forwarding indicator indicates unicast, determining that the destination port is the forwarding port.
15. The electronic device according to claim 10 , wherein determining one or more forwarding ports for the result packet comprises:
in response to determining that the maximum number of processes is greater than 1, determining whether the forwarding indicator indicates multicast; and
in response to determining that the forwarding indicator indicates multicast, acquiring destination ports in entries of the port forwarding table corresponding to the forwarding indicator as the forwarding ports.
16. The electronic device according to claim 10 , wherein determining one or more forwarding ports for the result packet comprises:
in response to determining that the maximum number of processes is greater than 1, determining whether the forwarding indicator indicates broadcast; and
in response to determining that the forwarding indicator indicates broadcast, acquiring all destination ports in the updated port forwarding table as the forwarding ports.
17. The electronic device according to claim 10 , wherein acquiring the information for indicating the source port, the destination port, the forwarding indicator, the process identifier, and the maximum number of processes of the packet from the header comprises:
extracting a tuple for indicating a header structure of the packet from the header; and
extracting tuples for indicating the source port, the destination port, the forwarding indicator, the process identifier, and the maximum number of processes of the packet from the header based on the tuple.
18. The electronic device according to claim 10 , wherein performing the user-defined action on the packet comprises:
performing the user-defined action on the packet and a previous result packet to obtain the result packet.
19. A computer-readable storage medium, storing a computer program that, when executed by a machine, causes the machine to implement an information processing method, the method comprising:
in response to determining that a predetermined indicator is detected in a header of a received packet, acquiring information for indicating a source port, a destination port, a forwarding indicator, a process identifier, and a maximum number of processes of the packet from the header;
updating a port forwarding table based on the source port, the destination port, and the forwarding indicator;
performing a user-defined action on the packet to obtain a result packet; and
in response to determining that a quantity of process identifiers reaches the maximum number of processes, determining one or more forwarding ports for the result packet based on the maximum number of processes, the forwarding indicator, and the updated port forwarding table, to forward the result packet to the one or more forwarding ports.
20. The computer-readable storage medium according to claim 19 , wherein updating the port forwarding table comprises:
searching for the source port in the port forwarding table; and
in response to determining that the source port is not found in the port forwarding table, adding the source port, the destination port, and the forwarding indicator into the port forwarding table as an entry.