package main
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/*
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#include "bh_api_go.h"
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*/
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// #cgo LDFLAGS: -L/home/lichao/code/shmsg/build/lib -L/usr/local/lib -lbhome_shmq -lbhome_msg -lprotobuf-lite -lstdc++ -lpthread -lrt
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import "C"
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import (
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bh "bhome_node/bhome_msg"
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"fmt"
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"time"
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"unsafe"
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)
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func BHApiIn1Out1(bhfunc C.FBHApiIn1Out1, data []byte, reply *bh.MsgCommonReply, timeout_ms int) bool {
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creply := unsafe.Pointer(nil)
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creply_len := C.int(0)
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defer C.BHFree(creply, creply_len)
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r := C.BHApiIn1Out1Proxy(bhfunc, unsafe.Pointer(&data[0]), C.int(len(data)), &creply, &creply_len, C.int(timeout_ms)) > 0
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if r {
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reply.Unmarshal(C.GoBytes(creply, creply_len))
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}
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return r
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}
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func Register(proc *bh.ProcInfo, reply *bh.MsgCommonReply, timeout_ms int) bool {
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data, _ := proc.Marshal()
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return BHApiIn1Out1(C.FBHApiIn1Out1(C.BHRegister), data, reply, timeout_ms)
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}
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func RegisterTopics(topics *bh.MsgTopicList, reply *bh.MsgCommonReply, timeout_ms int) bool {
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data, _ := topics.Marshal()
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return BHApiIn1Out1(C.FBHApiIn1Out1(C.BHRegisterTopics), data, reply, timeout_ms)
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}
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func Subscribe(topics *bh.MsgTopicList, reply *bh.MsgCommonReply, timeout_ms int) bool {
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data, _ := topics.Marshal()
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return BHApiIn1Out1(C.FBHApiIn1Out1(C.BHSubscribeTopics), data, reply, timeout_ms)
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}
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func Heartbeat(topics *bh.MsgTopicList, reply *bh.MsgCommonReply, timeout_ms int) bool {
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data, _ := topics.Marshal()
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return BHApiIn1Out1(C.FBHApiIn1Out1(C.BHHeartbeat), data, reply, timeout_ms)
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}
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func HeartbeatEasy(timeout_ms int) bool {
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return C.BHHeartbeatEasy(C.int(timeout_ms)) > 0
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}
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func Publish(pub *bh.MsgPublish, timeout_ms int) bool {
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data, _ := pub.Marshal()
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return C.BHPublish(unsafe.Pointer(&data[0]), C.int(len(data)), C.int(timeout_ms)) > 0
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}
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func ReadSub(proc_id *string, pub *bh.MsgPublish, timeout_ms int) bool {
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cpid := unsafe.Pointer(nil)
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cpid_len := C.int(0)
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defer C.BHFree(cpid, cpid_len)
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creply := unsafe.Pointer(nil)
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creply_len := C.int(0)
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defer C.BHFree(creply, creply_len)
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r := C.BHReadSub(&cpid, &cpid_len, &creply, &creply_len, C.int(timeout_ms)) > 0
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*proc_id = string(C.GoBytes(cpid, cpid_len))
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pub.Unmarshal(C.GoBytes(creply, creply_len))
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return r
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}
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func AsyncRequest(req *bh.MsgRequestTopic, msg_id *[]byte) bool {
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data, _ := req.Marshal()
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creply := unsafe.Pointer(nil)
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creply_len := C.int(0)
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defer C.BHFree(creply, creply_len)
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r := C.BHAsyncRequest(unsafe.Pointer(&data[0]), C.int(len(data)), &creply, &creply_len) > 0
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if r {
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*msg_id = C.GoBytes(creply, creply_len)
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}
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return r
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}
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func Request(req *bh.MsgRequestTopic, proc_id *string, reply *bh.MsgRequestTopicReply, timeout_ms int) bool {
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data, _ := req.Marshal()
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cpid := unsafe.Pointer(nil)
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cpid_len := C.int(0)
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defer C.BHFree(cpid, cpid_len)
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creply := unsafe.Pointer(nil)
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creply_len := C.int(0)
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defer C.BHFree(creply, creply_len)
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r := C.BHRequest(unsafe.Pointer(&data[0]), C.int(len(data)), &cpid, &cpid_len, &creply, &creply_len, C.int(timeout_ms)) > 0
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if r {
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*proc_id = string(C.GoBytes(cpid, cpid_len))
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reply.Unmarshal(C.GoBytes(creply, creply_len))
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}
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return r
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}
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func ReadRequest(proc_id *string, req *bh.MsgRequestTopic, psrc *unsafe.Pointer, timeout_ms int) bool {
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cpid := unsafe.Pointer(nil)
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cpid_len := C.int(0)
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defer C.BHFree(cpid, cpid_len)
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creply := unsafe.Pointer(nil)
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creply_len := C.int(0)
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defer C.BHFree(creply, creply_len)
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r := C.BHReadRequest(&cpid, &cpid_len, &creply, &creply_len, psrc, C.int(timeout_ms)) > 0
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if r {
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*proc_id = string(C.GoBytes(cpid, cpid_len))
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req.Unmarshal(C.GoBytes(creply, creply_len))
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}
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return r
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}
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func SendReply(src unsafe.Pointer, rep *bh.MsgRequestTopicReply) bool {
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data, _ := rep.Marshal()
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return C.BHSendReply(src, unsafe.Pointer(&data[0]), C.int(len(data))) > 0
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}
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func GetLastError() (int, string) {
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creply := unsafe.Pointer(nil)
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creply_len := C.int(0)
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defer C.BHFree(creply, creply_len)
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r := C.BHGetLastError(&creply, &creply_len)
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return int(r), string(C.GoBytes(creply, creply_len))
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}
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type ServerCB func(src unsafe.Pointer, proc_id *string, req *bh.MsgRequestTopic)
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type ClientCB func(proc_id *string, msg_id *[]byte, reply *bh.MsgRequestTopicReply)
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type SubDataCB func(proc_id *string, pub *bh.MsgPublish)
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var cgoServerCB ServerCB
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var cgoClientCB ClientCB
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var cgoSubDataCB SubDataCB
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//export CGoSubDataCallback
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func CGoSubDataCallback(cpid C.PCVoid, pid_len C.int, data C.PCVoid, data_len C.int) {
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proc_id := string(C.GoBytes(unsafe.Pointer(cpid), pid_len))
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msg := bh.MsgPublish{}
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msg.Unmarshal(C.GoBytes(unsafe.Pointer(data), data_len))
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cgoSubDataCB(&proc_id, &msg)
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}
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//export CGoServerCallback
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func CGoServerCallback(cpid C.PCVoid, pid_len C.int, data C.PCVoid, data_len C.int, src unsafe.Pointer) {
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proc_id := string(C.GoBytes(unsafe.Pointer(cpid), pid_len))
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msg := bh.MsgRequestTopic{}
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msg.Unmarshal(C.GoBytes(unsafe.Pointer(data), data_len))
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cgoServerCB(src, &proc_id, &msg)
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}
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//export CGoClientCallback
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func CGoClientCallback(cpid C.PCVoid, pid_len C.int, msgid C.PCVoid, msgid_len C.int, data C.PCVoid, data_len C.int) {
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proc_id := string(C.GoBytes(unsafe.Pointer(cpid), pid_len))
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msg_id := C.GoBytes(unsafe.Pointer(msgid), msgid_len)
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var msg bh.MsgRequestTopicReply
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msg.Unmarshal(C.GoBytes(unsafe.Pointer(data), data_len))
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cgoClientCB(&proc_id, &msg_id, &msg)
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}
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func StartWorker(c ClientCB, s ServerCB, sub SubDataCB) {
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cgoClientCB = c
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cgoServerCB = s
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cgoSubDataCB = sub
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C.CGoStartWorker()
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}
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/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// user code:
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func ServerCallback(src unsafe.Pointer, proc_id *string, req *bh.MsgRequestTopic) {
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fmt.Println("user server cb called, request topic: " + string(req.Topic) + ", data:" + string(req.Data))
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reply := bh.MsgRequestTopicReply{}
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reply.Data = []byte("reply 1234")
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SendReply(src, &reply)
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}
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func SubDataCallback(proc_id *string, pub *bh.MsgPublish) {
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fmt.Println("user sub data cb called")
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}
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func ClientCallback(proc_id *string, msg_id *[]byte, reply *bh.MsgRequestTopicReply) {
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fmt.Println("user client cb reply: " + string(reply.Data))
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}
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func main() {
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proc_id := "test_proc"
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proc := bh.ProcInfo{}
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proc.ProcId = []byte(proc_id)
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reply := bh.MsgCommonReply{}
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StartWorker(ClientCallback, ServerCallback, SubDataCallback)
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r := Register(&proc, &reply, 1000)
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if r {
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fmt.Println("register ok")
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} else {
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fmt.Println("register failed")
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return
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}
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r = HeartbeatEasy(1000)
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if r {
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fmt.Println("heartbeat ok")
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} else {
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fmt.Println("heartbeat failed")
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}
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topics := bh.MsgTopicList{}
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topics.TopicList = append(topics.TopicList, []byte("topic0"), []byte("topic1"))
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RegisterTopics(&topics, &reply, 0)
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if r {
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fmt.Println("reg topics ok")
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} else {
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fmt.Println("reg topics failed")
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}
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req := bh.MsgRequestTopic{}
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time.Sleep(time.Second * 1)
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req.Topic = []byte("topic0")
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req.Data = []byte("data0")
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// var msg_id []byte
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// AsyncRequest(&req, &msg_id)
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// fmt.Println(msg_id)
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// time.Sleep(time.Second * 5)
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pid := ""
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rr := bh.MsgRequestTopicReply{}
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for i := 0; i < 10000; i++ {
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if Request(&req, &pid, &rr, 3000) {
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fmt.Println("server:" + pid + ", reply:" + string(rr.Data))
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} else {
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e, s := GetLastError()
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fmt.Println("ec:", e, ", msg:"+s)
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}
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}
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}
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