107 lines
2.7 KiB
Go
107 lines
2.7 KiB
Go
package main
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/*
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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typedef int(*callbackProc)(char const *name, char const *function, char const *data);
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static inline int bridge_cb(callbackProc cb, char const *name, char const *function, char const *data) {
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return cb(name, function, data);
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}
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static inline uint min(uint a, uint b) { return a < b ? a : b; }
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*/
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import "C"
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import (
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"os"
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"fmt"
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"log"
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"strings"
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"unsafe"
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"net/http"
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"encoding/json"
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"io/ioutil"
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)
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var cb C.callbackProc
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var name = C.CString("a3web")
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var serverURL = "https://localhost"
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// RVExtensionRegisterCallback on extension load
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//export RVExtensionRegisterCallback
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func RVExtensionRegisterCallback(cbptr unsafe.Pointer) {
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cb = C.callbackProc(cbptr)
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log.Println("Calling callback function ……")
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function := C.CString("registered")
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defer C.free(unsafe.Pointer(function))
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C.bridge_cb(cb, name, function, function)
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}
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// RVExtensionVersion on extension load
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//export RVExtensionVersion
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func RVExtensionVersion(output *C.char, outputsize C.size_t) {
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version := C.CString("Version 0.1")
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defer C.free(unsafe.Pointer(version))
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var size = C.min(C.strlen(version)+1, outputsize-1)
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C.strncpy(output, version, size)
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// Load config
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const configPath string = "~/.a3web.conf"
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type Config struct {
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serverURL string `json:"serverURL"`
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}
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var config Config
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if _, err := os.Stat(configPath); err == nil {
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configFile, _ := ioutil.ReadFile(configPath)
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json.Unmarshal(configFile, &config)
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serverURL = config.serverURL
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}
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}
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// RVExtensionArgs STRING callExtension ARRAY
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//export RVExtensionArgs
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func RVExtensionArgs(output *C.char, outputsize C.size_t, function *C.char, argv **C.char, argc C.int) {
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var offset = unsafe.Sizeof(uintptr(0))
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var out []string
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for index := C.int(0); index < argc; index++ {
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out = append(out, C.GoString(*argv))
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argv = (**C.char)(unsafe.Pointer(uintptr(unsafe.Pointer(argv)) + offset))
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}
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go handleArgs(C.GoString(function), out)
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}
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// RVExtension STRING callExtension STRING
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//export RVExtension
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func RVExtension(output *C.char, outputsize C.size_t, function *C.char) {
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result := C.CString(fmt.Sprintf("Hello, %s!", C.GoString(function)))
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defer C.free(unsafe.Pointer(result))
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var size = C.min(C.strlen(result)+1, outputsize-1)
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C.strncpy(output, result, size)
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}
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func main() {}
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func handleArgs(function string, argv []string) {
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switch dispatcher := "function"
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dispatcher {
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case "upload_pos":
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uploadUnitsInfo(argv[0])
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}
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}
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func uploadUnitsInfo(body string) {
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var endpoint string = "/units-info"
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resp, err := http.Post(serverURL + endpoint, "", strings.NewReader(body))
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if err != nil {
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log.Printf("Error Sending HTTP Request: %s", err)
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return
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}
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resp.Body.Close()
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}
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