feat: added request builder; moved types to own module

.gitignore

@@ -1,3 +1,4 @@
 *.so
 
 _docs/
+vls.log

containers.v

@@ -3,79 +3,22 @@ module docker
 import json
 import time
 import net.http { Method }
+import types { ContainerListItem }
 
-pub struct Port {
-	ip           string [json: IP]
-	private_port u16    [json: PrivatePort]
-	public_port  u16    [json: PublicPort]
-	type_        string [json: Type]
+[params]
+pub struct ContainerListConfig {
+	all     bool
+	limit   int
+	size    bool
+	filters map[string][]string
 }
 
-pub struct HostConfig {
-	network_mode string [json: NetworkMode]
-}
+pub fn (mut d DockerConn) container_list(c ContainerListConfig) ?[]ContainerListItem {
+	d.get('/containers/json')
+	d.params(c)
+	d.send()?
 
-pub struct EndpointIpamConfig {
-	ipv4_address   string   [json: IPv4Address]
-	ipv6_address   string   [json: IPv6Address]
-	link_local_ips []string [json: LinkLocalIPs]
-}
-
-pub struct EndpointSettings {
-	ipam_config            EndpointIpamConfig [json: IPAMConfig]
-	links                  []string           [json: Links]
-	aliases                []string           [json: Aliases]
-	network_id             string             [json: NetworkID]
-	endpoint_id            string             [json: EndpointID]
-	gateway                string             [json: Gateway]
-	ip_address             string             [json: IPAddress]
-	ip_prefix_len          int                [json: IPPrefixLen]
-	ipv6_gateway           string             [json: IPv6Gateway]
-	global_ipv6_address    string             [json: GlobalIPv6Address]
-	global_ipv6_prefix_len i64                [json: GlobalIPv6PrefixLen]
-	mac_address            string             [json: MacAddress]
-	driver_opts            map[string]string  [json: DriverOpts]
-}
-
-pub struct NetworkSettings {
-	networks map[string]EndpointSettings [json: Networks]
-}
-
-pub struct MountPoint {
-	type_       string [json: Type]
-	name        string [json: Name]
-	source      string [json: Source]
-	destination string [json: Destination]
-	driver      string [json: Driver]
-	mode        string [json: Mode]
-	rw          bool   [json: RW]
-	propagation string [json: Propagation]
-}
-
-pub struct ContainerListItem {
-	id               string            [json: Id]
-	names            []string          [json: Names]
-	image            string            [json: Image]
-	image_id         string            [json: ImageID]
-	command          string            [json: Command]
-	created          i64               [json: Created]
-	ports            []Port            [json: Ports]
-	size_rw          i64               [json: SizeRw]
-	size_root_fs     i64               [json: SizeRootFs]
-	labels           map[string]string [json: Labels]
-	state            string            [json: State]
-	status           string            [json: Status]
-	host_config      HostConfig        [json: HostConfig]
-	network_settings NetworkSettings   [json: NetworkSettings]
-	mounts           []MountPoint      [json: Mounts]
-}
-
-pub fn (mut d DockerConn) container_list() ?[]ContainerListItem {
-	d.send_request(Method.get, '/containers/json')?
-
-	data := d.read_json_response<[]ContainerListItem>()?
-
-	return data
+	return d.read_json_response<[]ContainerListItem>()
 }
 
 pub struct NewContainer {

docker.v

@@ -17,10 +17,17 @@ const (
 	api_version          = 'v1.41'
 )
 
+[heap]
 pub struct DockerConn {
 mut:
 	socket &unix.StreamConn
 	reader &io.BufferedReader
+	// Data for the request that's currently being constructed.
+	method       http.Method
+	url          string
+	params       map[string]string
+	content_type string
+	body         string
 }
 
 // new_conn creates a new connection to the Docker daemon.

request.v

@@ -0,0 +1,51 @@
+module docker
+
+import net.http
+import net.urllib
+import io
+
+fn (mut d DockerConn) request(method http.Method, url_str string) {
+	d.method = method
+	d.url = url_str
+	d.params.clear()
+	d.content_type = ''
+	d.body = ''
+}
+
+fn (mut d DockerConn) get(url_str string) {
+	d.request(http.Method.get, url_str)
+}
+
+fn (mut d DockerConn) params<T>(o T) {
+	$for field in T.fields {
+		v := o.$(field.name)
+
+		if !isnil(v) {
+			d.params[field.name] = urllib.query_escape(v.str().replace("'", '"'))
+		}
+	}
+}
+
+fn (mut d DockerConn) send() ? {
+	mut full_url := d.url
+
+	if d.params.len > 0 {
+		params_str := d.params.keys().map('$it=${d.params[it]}').join('&')
+		full_url += '?$params_str'
+	}
+
+	// This is to make sure we actually created a valid URL
+	parsed_url := urllib.parse(full_url)?
+	final_url := parsed_url.request_uri()
+
+	req := if d.body == '' {
+		'$d.method $final_url HTTP/1.1\nHost: localhost\n\n'
+	} else {
+		'$d.method $final_url HTTP/1.1\nHost: localhost\nContent-Type: $d.content_type\nContent-Length: $d.body.len\n\n$d.body\n\n'
+	}
+
+	d.socket.write_string(req)?
+
+	// When starting a new request, the reader needs to be reset.
+	d.reader = io.new_buffered_reader(reader: d.socket)
+}

types/container.v

@@ -0,0 +1,67 @@
+module types
+
+pub struct Port {
+	ip           string [json: IP]
+	private_port u16    [json: PrivatePort]
+	public_port  u16    [json: PublicPort]
+	type_        string [json: Type]
+}
+
+pub struct HostConfig {
+	network_mode string [json: NetworkMode]
+}
+
+pub struct EndpointIpamConfig {
+	ipv4_address   string   [json: IPv4Address]
+	ipv6_address   string   [json: IPv6Address]
+	link_local_ips []string [json: LinkLocalIPs]
+}
+
+pub struct EndpointSettings {
+	ipam_config            EndpointIpamConfig [json: IPAMConfig]
+	links                  []string           [json: Links]
+	aliases                []string           [json: Aliases]
+	network_id             string             [json: NetworkID]
+	endpoint_id            string             [json: EndpointID]
+	gateway                string             [json: Gateway]
+	ip_address             string             [json: IPAddress]
+	ip_prefix_len          int                [json: IPPrefixLen]
+	ipv6_gateway           string             [json: IPv6Gateway]
+	global_ipv6_address    string             [json: GlobalIPv6Address]
+	global_ipv6_prefix_len i64                [json: GlobalIPv6PrefixLen]
+	mac_address            string             [json: MacAddress]
+	driver_opts            map[string]string  [json: DriverOpts]
+}
+
+pub struct NetworkSettings {
+	networks map[string]EndpointSettings [json: Networks]
+}
+
+pub struct MountPoint {
+	type_       string [json: Type]
+	name        string [json: Name]
+	source      string [json: Source]
+	destination string [json: Destination]
+	driver      string [json: Driver]
+	mode        string [json: Mode]
+	rw          bool   [json: RW]
+	propagation string [json: Propagation]
+}
+
+pub struct ContainerListItem {
+	id               string            [json: Id]
+	names            []string          [json: Names]
+	image            string            [json: Image]
+	image_id         string            [json: ImageID]
+	command          string            [json: Command]
+	created          i64               [json: Created]
+	ports            []Port            [json: Ports]
+	size_rw          i64               [json: SizeRw]
+	size_root_fs     i64               [json: SizeRootFs]
+	labels           map[string]string [json: Labels]
+	state            string            [json: State]
+	status           string            [json: Status]
+	host_config      HostConfig        [json: HostConfig]
+	network_settings NetworkSettings   [json: NetworkSettings]
+	mounts           []MountPoint      [json: Mounts]
+}