nimbus-eth1/wrappers/wrapper_example.go

86 lines
2.1 KiB
Go

package main
import (
"fmt"
"runtime"
"time"
"unsafe"
)
/*
#include <stdlib.h>
#cgo LDFLAGS: -Wl,-rpath,'$ORIGIN' -L${SRCDIR}/../build -lnimbus -lm
#include "libnimbus.h"
void receiveHandler_cgo(received_message * msg); // Forward declaration.
*/
import "C"
// Arrange that main.main runs on main thread.
func init() {
runtime.LockOSThread()
}
func poll() {
for {
fmt.Println("POLLING")
time.Sleep(1 * time.Microsecond)
C.nimbus_poll()
}
}
//export receiveHandler
func receiveHandler(msg *C.received_message) {
receivedMsg := C.GoBytes(unsafe.Pointer(msg.decoded), C.int(msg.decodedLen))
fmt.Printf("[nim-status] received message %s\n", string(receivedMsg))
}
func Start() {
C.NimMain()
fmt.Println("[nim-status] Start Nimbus")
if C.nimbus_start(30306, true, false, 0.002, nil, false) == false {
panic("Can't start nimbus")
}
peer1 := C.CString("enode://2d3e27d7846564f9b964308038dfadd4076e4373ac938e020708ad8819fd4fd90e5eb8314140768f782db704cb313b60707b968f8b61108a6fecd705b041746d@192.168.0.33:30303")
C.nimbus_add_peer(peer1)
C.free(unsafe.Pointer(peer1))
}
func StatusListenAndPost(channel string) {
fmt.Println("[nim-status] Status Public ListenAndPost")
channelC := C.CString(channel)
defer C.free(unsafe.Pointer(channelC))
C.nimbus_join_public_chat(channelC,
(C.received_msg_handler)(unsafe.Pointer(C.receiveHandler_cgo)))
i := 0
for {
//fmt.Println("[nim-status] ListenAndPost (post @i==1000) i= ", i)
C.nimbus_poll()
t := time.Now().UnixNano() / int64(time.Millisecond)
i = i + 1
time.Sleep(1 * time.Microsecond)
message := fmt.Sprintf("[\"~#c4\",[\"Message:%d\",\"text/plain\",\"~:public-group-user-message\",%d,%d,[\"^ \",\"~:chat-id\",\"%s\",\"~:text\",\"Message:%d\"]]]", i, t*100, t, channel, i)
if i%1000 == 0 {
fmt.Println("[nim-status] posting", message)
messageC := C.CString(message)
C.nimbus_post_public(channelC, messageC)
C.free(unsafe.Pointer(messageC))
}
}
}
func main() {
fmt.Println("Hi main")
nprocs := runtime.GOMAXPROCS(0)
fmt.Println("GOMAXPROCS ", nprocs)
Start()
StatusListenAndPost("status-test-go")
}