CODEWITHSUNDEEP
csocketsunixnetwork-programmingposix
Flash
Flash

Reputation: 16703

Automatically forward one socket to another

I have two file descriptors created with socket() and both are connected to separate hosts. I want anything received on the first socket to be immediately sent on the second and vice versa.

I know can achieve this manually with a combination of select(), send() and recv(), but is there a more direct way to tell the kernel to simply pipe the output from one into the other?

Upvotes: 3

Views: 199

Answers (1)

Aaron Digulla
Aaron Digulla

Reputation: 328556

No. You can use a tool like netcat which does this for you (so you don't have to write the code) but even netcat contains a loop that copies the data.

Upvotes: 2

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