refactor(docker): renamed DockerDaemon to DockerConn

src/docker/README.md

@@ -0,0 +1,5 @@
+# docker
+
+This module implements part of the Docker Engine API v1.41
+([documentation](https://docs.docker.com/engine/api/v1.41/)) using socket-based
+HTTP communication.

src/docker/containers.v

@@ -15,7 +15,7 @@ struct Container {
 }
 
 // containers returns a list of all containers.
-pub fn (mut d DockerDaemon) containers() ?[]Container {
+pub fn (mut d DockerConn) containers() ?[]Container {
 	d.send_request('GET', urllib.parse('/v1.41/containers/json')?)?
 	head, res := d.read_response()?
 
@@ -46,7 +46,7 @@ pub:
 }
 
 // create_container creates a new container with the given config.
-pub fn (mut d DockerDaemon) create_container(c NewContainer) ?CreatedContainer {
+pub fn (mut d DockerConn) create_container(c NewContainer) ?CreatedContainer {
 	d.send_request_with_json('POST', urllib.parse('/v1.41/containers/create')?, c)?
 	head, res := d.read_response()?
 
@@ -62,7 +62,7 @@ pub fn (mut d DockerDaemon) create_container(c NewContainer) ?CreatedContainer {
 }
 
 // start_container starts the container with the given id.
-pub fn (mut d DockerDaemon) start_container(id string) ? {
+pub fn (mut d DockerConn) start_container(id string) ? {
 	d.send_request('POST', urllib.parse('/v1.41/containers/$id/start')?)?
 	head, body := d.read_response()?
 
@@ -92,7 +92,7 @@ pub mut:
 }
 
 // inspect_container returns detailed information for a given container.
-pub fn (mut d DockerDaemon) inspect_container(id string) ?ContainerInspect {
+pub fn (mut d DockerConn) inspect_container(id string) ?ContainerInspect {
 	d.send_request('GET', urllib.parse('/v1.41/containers/$id/json')?)?
 	head, body := d.read_response()?
 
@@ -114,7 +114,7 @@ pub fn (mut d DockerDaemon) inspect_container(id string) ?ContainerInspect {
 }
 
 // remove_container removes the container with the given id.
-pub fn (mut d DockerDaemon) remove_container(id string) ? {
+pub fn (mut d DockerConn) remove_container(id string) ? {
 	d.send_request('DELETE', urllib.parse('/v1.41/containers/$id')?)?
 	head, body := d.read_response()?
 
@@ -127,7 +127,7 @@ pub fn (mut d DockerDaemon) remove_container(id string) ? {
 
 // get_container_logs returns a reader object allowing access to the
 // container's logs.
-pub fn (mut d DockerDaemon) get_container_logs(id string) ?&StreamFormatReader {
+pub fn (mut d DockerConn) get_container_logs(id string) ?&StreamFormatReader {
 	d.send_request('GET', urllib.parse('/v1.41/containers/$id/logs?stdout=true&stderr=true')?)?
 	head := d.read_response_head()?
 

src/docker/docker.v

@@ -15,17 +15,17 @@ const (
 	http_chunk_separator = [u8(`\r`), `\n`]
 )
 
-pub struct DockerDaemon {
+pub struct DockerConn {
 mut:
 	socket &unix.StreamConn
 	reader &io.BufferedReader
 }
 
 // new_conn creates a new connection to the Docker daemon.
-pub fn new_conn() ?&DockerDaemon {
+pub fn new_conn() ?&DockerConn {
 	s := unix.connect_stream(docker.socket)?
 
-	d := &DockerDaemon{
+	d := &DockerConn{
 		socket: s
 		reader: io.new_buffered_reader(reader: s)
 	}
@@ -34,12 +34,12 @@ pub fn new_conn() ?&DockerDaemon {
 }
 
 // close closes the underlying socket connection.
-pub fn (mut d DockerDaemon) close() ? {
+pub fn (mut d DockerConn) close() ? {
 	d.socket.close()?
 }
 
 // send_request sends an HTTP request without body.
-pub fn (mut d DockerDaemon) send_request(method string, url urllib.URL) ? {
+pub fn (mut d DockerConn) send_request(method string, url urllib.URL) ? {
 	req := '$method $url.request_uri() HTTP/1.1\nHost: localhost\n\n'
 
 	d.socket.write_string(req)?
@@ -49,7 +49,7 @@ pub fn (mut d DockerDaemon) send_request(method string, url urllib.URL) ? {
 }
 
 // send_request_with_body sends an HTTP request with the given body.
-pub fn (mut d DockerDaemon) send_request_with_body(method string, url urllib.URL, content_type string, body string) ? {
+pub fn (mut d DockerConn) send_request_with_body(method string, url urllib.URL, content_type string, body string) ? {
 	req := '$method $url.request_uri() HTTP/1.1\nHost: localhost\nContent-Type: $content_type\nContent-Length: $body.len\n\n$body\n\n'
 
 	d.socket.write_string(req)?
@@ -60,7 +60,7 @@ pub fn (mut d DockerDaemon) send_request_with_body(method string, url urllib.URL
 
 // send_request_with_json<T> is a convenience wrapper around
 // send_request_with_body that encodes the input as JSON.
-pub fn (mut d DockerDaemon) send_request_with_json<T>(method string, url urllib.URL, data &T) ? {
+pub fn (mut d DockerConn) send_request_with_json<T>(method string, url urllib.URL, data &T) ? {
 	body := json.encode(data)
 
 	return d.send_request_with_body(method, url, 'application/json', body)
@@ -70,17 +70,17 @@ pub fn (mut d DockerDaemon) send_request_with_json<T>(method string, url urllib.
 // '\r\n\r\n', after which it parses the response as an HTTP response.
 // Importantly, this function never consumes the reader past the HTTP
 // separator, so the body can be read fully later on.
-pub fn (mut d DockerDaemon) read_response_head() ?http.Response {
+pub fn (mut d DockerConn) read_response_head() ?http.Response {
 	mut res := []u8{}
 
-	util.read_until_separator(mut d.reader, mut res, http_separator) ?
+	util.read_until_separator(mut d.reader, mut res, docker.http_separator)?
 
 	return http.parse_response(res.bytestr())
 }
 
 // read_response_body reads `length` bytes from the stream. It can be used when
 // the response encoding isn't chunked to fully read it.
-pub fn (mut d DockerDaemon) read_response_body(length int) ?string {
+pub fn (mut d DockerConn) read_response_body(length int) ?string {
 	if length == 0 {
 		return ''
 	}
@@ -101,7 +101,7 @@ pub fn (mut d DockerDaemon) read_response_body(length int) ?string {
 // read_response is a convenience function which always consumes the entire
 // response & returns it. It should only be used when we're certain that the
 // result isn't too large.
-pub fn (mut d DockerDaemon) read_response() ?(http.Response, string) {
+pub fn (mut d DockerConn) read_response() ?(http.Response, string) {
 	head := d.read_response_head()?
 
 	if head.header.get(http.CommonHeader.transfer_encoding) or { '' } == 'chunked' {
@@ -121,7 +121,7 @@ pub fn (mut d DockerDaemon) read_response() ?(http.Response, string) {
 
 // get_chunked_response_reader returns a ChunkedResponseReader using the socket
 // as reader.
-pub fn (mut d DockerDaemon) get_chunked_response_reader() &ChunkedResponseReader {
+pub fn (mut d DockerConn) get_chunked_response_reader() &ChunkedResponseReader {
 	r := new_chunked_response_reader(d.reader)
 
 	return r
@@ -129,7 +129,7 @@ pub fn (mut d DockerDaemon) get_chunked_response_reader() &ChunkedResponseReader
 
 // get_stream_format_reader returns a StreamFormatReader using the socket as
 // reader.
-pub fn (mut d DockerDaemon) get_stream_format_reader() &StreamFormatReader {
+pub fn (mut d DockerConn) get_stream_format_reader() &StreamFormatReader {
 	r := new_chunked_response_reader(d.reader)
 	r2 := new_stream_format_reader(r)
 

src/docker/images.v

@@ -10,7 +10,7 @@ pub:
 }
 
 // pull_image pulls the given image:tag.
-pub fn (mut d DockerDaemon) pull_image(image string, tag string) ? {
+pub fn (mut d DockerConn) pull_image(image string, tag string) ? {
 	d.send_request('POST', urllib.parse('/v1.41/images/create?fromImage=$image&tag=$tag')?)?
 	head := d.read_response_head()?
 
@@ -33,7 +33,7 @@ pub fn (mut d DockerDaemon) pull_image(image string, tag string) ? {
 }
 
 // create_image_from_container creates a new image from a container.
-pub fn (mut d DockerDaemon) create_image_from_container(id string, repo string, tag string) ?Image {
+pub fn (mut d DockerConn) create_image_from_container(id string, repo string, tag string) ?Image {
 	d.send_request('POST', urllib.parse('/v1.41/commit?container=$id&repo=$repo&tag=$tag')?)?
 	head, body := d.read_response()?
 
@@ -49,7 +49,7 @@ pub fn (mut d DockerDaemon) create_image_from_container(id string, repo string,
 }
 
 // remove_image removes the image with the given id.
-pub fn (mut d DockerDaemon) remove_image(id string) ? {
+pub fn (mut d DockerConn) remove_image(id string) ? {
 	d.send_request('DELETE', urllib.parse('/v1.41/images/$id')?)?
 	head, body := d.read_response()?
 

src/docker/stream.v

@@ -68,7 +68,7 @@ fn (mut r ChunkedResponseReader) read_chunk_size() ?u64 {
 	r.started = true
 
 	mut res := []u8{}
-	util.read_until_separator(mut r.reader, mut res, http_chunk_separator) ?
+	util.read_until_separator(mut r.reader, mut res, http_chunk_separator)?
 
 	// The length of the next chunk is provided as a hexadecimal
 	mut num_data := hex.decode(res#[..-2].bytestr())?