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Add 'GET /' endpoint for getting the program state (experimental)

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Related #3372
This commit is contained in:
Junegunn Choi
2023-09-03 16:30:35 +09:00
parent c5e4b83de3
commit 0f50dc848e
5 changed files with 121 additions and 16 deletions
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34
src/server.go
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@@ -23,11 +23,12 @@ const (
)
type httpServer struct {
apiKey []byte
channel chan []*action
apiKey []byte
actionChannel chan []*action
responseChannel chan string
}
func startHttpServer(port int, channel chan []*action) (error, int) {
func startHttpServer(port int, actionChannel chan []*action, responseChannel chan string) (error, int) {
if port < 0 {
return nil, port
}
@@ -50,8 +51,9 @@ func startHttpServer(port int, channel chan []*action) (error, int) {
}
server := httpServer{
apiKey: []byte(os.Getenv("FZF_API_KEY")),
channel: channel,
apiKey: []byte(os.Getenv("FZF_API_KEY")),
actionChannel: actionChannel,
responseChannel: responseChannel,
}
go func() {
@@ -83,13 +85,18 @@ func (server *httpServer) handleHttpRequest(conn net.Conn) string {
contentLength := 0
apiKey := ""
body := ""
unauthorized := func(message string) string {
answer := func(code string, message string) string {
message += "\n"
return httpUnauthorized + fmt.Sprintf("Content-Length: %d%s", len(message), crlf+crlf+message)
return code + fmt.Sprintf("Content-Length: %d%s", len(message), crlf+crlf+message)
}
unauthorized := func(message string) string {
return answer(httpUnauthorized, message)
}
bad := func(message string) string {
message += "\n"
return httpBadRequest + fmt.Sprintf("Content-Length: %d%s", len(message), crlf+crlf+message)
return answer(httpBadRequest, message)
}
good := func(message string) string {
return answer(httpOk+"Content-Type: application/json"+crlf, message)
}
conn.SetReadDeadline(time.Now().Add(httpReadTimeout))
scanner := bufio.NewScanner(conn)
@@ -110,7 +117,12 @@ func (server *httpServer) handleHttpRequest(conn net.Conn) string {
text := scanner.Text()
switch section {
case 0:
if !strings.HasPrefix(text, "POST / HTTP") {
// TODO: Parameter support e.g. "GET /?limit=100 HTTP"
if strings.HasPrefix(text, "GET / HTTP") {
server.actionChannel <- []*action{{t: actResponse}}
response := <-server.responseChannel
return good(response)
} else if !strings.HasPrefix(text, "POST / HTTP") {
return bad("invalid request method")
}
section++
@@ -160,6 +172,6 @@ func (server *httpServer) handleHttpRequest(conn net.Conn) string {
return bad("no action specified")
}
server.channel <- actions
server.actionChannel <- actions
return httpOk
}