feat(docker): start of new socket implementation

Jef Roosens 2022-05-11 10:03:43 +02:00
parent c01d849b9e
commit 473c7ec06b
Signed by untrusted user: Jef Roosens
GPG Key ID: B75D4F293C7052DB
2 changed files with 47 additions and 4 deletions

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@ -5,10 +5,6 @@ import net.urllib
import net.http
import json
const socket = '/var/run/docker.sock'
const buf_len = 1024
// send writes a request to the Docker socket, waits for a response & returns
// it.
fn send(req &string) ?http.Response {

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@ -0,0 +1,47 @@
module docker
import net.unix
import io
import net.http
const socket = '/var/run/docker.sock'
const buf_len = 10 * 1024
pub struct DockerDaemon {
mut:
socket &unix.StreamConn
reader &io.BufferedReader
}
pub fn new_conn() ?DockerDaemon {
s := unix.connect_stream(socket) ?
d := DockerDaemon{socket: s, reader: io.new_buffered_reader(reader: s)}
return d
}
fn (mut d DockerDaemon) send_request(req &string) ? {
d.socket.write_string(req) ?
d.socket.wait_for_write() ?
}
// read_response_head consumes the socket's contents until it encounters
// '\n\n', after which it parses the response as an HTTP response.
fn (mut d DockerDaemon) read_response_head() ?http.Response {
mut c := 0
mut buf := [buf_len]u8{len: docker.buf_len}
mut res := []u8{}
for {
c = d.socket.read(mut buf) ?
res << buf[..c]
if res#[-2..] == [u8(`\n`), `\n`] {
break
}
}
return http.parse_response(res.bytestr())
}