Add handlers for help, version, and device listing endpoints

server/pkg/handlers.go

@@ -0,0 +1,63 @@
+package llamactl
+
+import (
+	"net/http"
+	"os/exec"
+)
+
+// HelpHandler godoc
+// @Summary Get help for llama server
+// @Description Returns the help text for the llama server command
+// @Tags server
+// #Produces text/plain
+// @Success 200 {string} string "Help text"
+// @Failure 500 {string} string "Internal Server Error"
+// @Router /server/help [get]
+func HelpHandler(w http.ResponseWriter, r *http.Request) {
+	helpCmd := exec.Command("llama-server", "--help")
+	output, err := helpCmd.CombinedOutput()
+	if err != nil {
+		http.Error(w, "Failed to get help: "+err.Error(), http.StatusInternalServerError)
+		return
+	}
+	w.Header().Set("Content-Type", "text/plain")
+	w.Write(output)
+}
+
+// VersionHandler godoc
+// @Summary Get version of llama server
+// @Description Returns the version of the llama server command
+// @Tags server
+// #Produces text/plain
+// @Success 200 {string} string "Version information"
+// @Failure 500 {string} string "Internal Server Error"
+// @Router /server/version [get]
+func VersionHandler(w http.ResponseWriter, r *http.Request) {
+	versionCmd := exec.Command("llama-server", "--version")
+	output, err := versionCmd.CombinedOutput()
+	if err != nil {
+		http.Error(w, "Failed to get version: "+err.Error(), http.StatusInternalServerError)
+		return
+	}
+	w.Header().Set("Content-Type", "text/plain")
+	w.Write(output)
+}
+
+// ListDevicesHandler godoc
+// @Summary List available devices for llama server
+// @Description Returns a list of available devices for the llama server
+// @Tags server
+// #Produces text/plain
+// @Success 200 {string} string "List of devices"
+// @Failure 500 {string} string "Internal Server Error"
+// @Router /server/devices [get]
+func ListDevicesHandler(w http.ResponseWriter, r *http.Request) {
+	listCmd := exec.Command("llama-server", "--list-devices")
+	output, err := listCmd.CombinedOutput()
+	if err != nil {
+		http.Error(w, "Failed to list devices: "+err.Error(), http.StatusInternalServerError)
+		return
+	}
+	w.Header().Set("Content-Type", "text/plain")
+	w.Write(output)
+}