65 lines
1.3 KiB
Go
65 lines
1.3 KiB
Go
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//go:build windows
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package main
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import "C"
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import (
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"syscall"
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"unsafe"
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)
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var callbackPtr uintptr
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func hostSendViaCallback(event string, payload []byte) {
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cb := callbackPtr
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if cb == 0 {
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return
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}
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eventBytes := []byte(event)
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var evPtr, plPtr uintptr
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evLen := uintptr(len(eventBytes))
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plLen := uintptr(len(payload))
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if len(eventBytes) > 0 {
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evPtr = uintptr(unsafe.Pointer(&eventBytes[0]))
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}
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if len(payload) > 0 {
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plPtr = uintptr(unsafe.Pointer(&payload[0]))
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}
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syscall.SyscallN(cb, evPtr, evLen, plPtr, plLen)
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}
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//export PluginSetCallback
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func PluginSetCallback(cb C.ulonglong) {
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callbackPtr = uintptr(cb)
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setSend(hostSendViaCallback)
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}
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//export PluginOnLoad
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func PluginOnLoad(hostInfo *C.char, hostInfoLen C.int, cb C.ulonglong) C.int {
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callbackPtr = uintptr(cb)
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setSend(hostSendViaCallback)
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data := C.GoBytes(unsafe.Pointer(hostInfo), hostInfoLen)
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if err := handleInit(data); err != nil {
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return 1
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}
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return 0
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}
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//export PluginOnEvent
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func PluginOnEvent(event *C.char, eventLen C.int, payload *C.char, payloadLen C.int) C.int {
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ev := C.GoStringN(event, eventLen)
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var pl []byte
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if payloadLen > 0 {
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pl = C.GoBytes(unsafe.Pointer(payload), payloadLen)
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}
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if err := handleEvent(ev, pl); err != nil {
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return 1
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}
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return 0
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}
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//export PluginOnUnload
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func PluginOnUnload() {
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handleUnload()
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}
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