wehub-resource-sync
66 lines
1.4 KiB
Go
66 lines
1.4 KiB
Go
//go:build cgo && (linux || darwin || freebsd)
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package pluginhost
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/*
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#include <stdint.h>
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#include <stdlib.h>
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typedef struct {
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void* ptr;
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size_t len;
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} cliproxy_buffer;
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*/
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import "C"
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import (
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"context"
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"unsafe"
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)
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//export cliproxyHostCall
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func cliproxyHostCall(hostCtx unsafe.Pointer, method *C.char, request *C.uint8_t, requestLen C.size_t, response *C.cliproxy_buffer) C.int {
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if response != nil {
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response.ptr = nil
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response.len = 0
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}
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if hostCtx == nil || method == nil {
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return 1
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}
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id := uintptr(*(*C.uintptr_t)(hostCtx))
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rawHost, okHost := hostCallbackEntries.Load(id)
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if !okHost {
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return 1
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}
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entry, okHost := rawHost.(dynamicHostCallbackEntry)
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if !okHost || entry.host == nil {
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return 1
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}
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var requestBytes []byte
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if request != nil && requestLen > 0 {
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requestBytes = C.GoBytes(unsafe.Pointer(request), C.int(requestLen))
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}
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ctx := withHostCallbackPluginID(context.Background(), entry.pluginID)
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resp, errCall := entry.host.callFromPlugin(ctx, C.GoString(method), requestBytes)
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if errCall != nil {
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resp = marshalRPCError("host_call_failed", errCall.Error())
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}
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if len(resp) == 0 || response == nil {
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return 0
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}
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ptr := C.CBytes(resp)
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if ptr == nil {
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return 1
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}
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response.ptr = ptr
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response.len = C.size_t(len(resp))
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return 0
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}
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//export cliproxyHostFree
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func cliproxyHostFree(ptr unsafe.Pointer, len C.size_t) {
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if ptr != nil {
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C.free(ptr)
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}
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}
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