improvements and clean-up

wrappers/libnimbus.h

@@ -60,8 +60,8 @@ void nimbus_add_peer(const char* nodeId);
  */
 void nimbus_poll();
 
-void nimbus_post(const char* channel, const char* payload);
-void nimbus_subscribe(const char* channel, received_msg_handler msg);
+void nimbus_post_public(const char* channel, const char* payload);
+void nimbus_join_public_chat(const char* channel, received_msg_handler msg);
 
 /* Whisper API */
 

wrappers/libnimbus.nim

@@ -74,7 +74,6 @@ let whisperKeys = newWhisperKeys()
 # TODO: Return filter ID if we ever want to unsubscribe
 proc subscribeChannel(
     channel: string, handler: proc (msg: ReceivedMessage) {.gcsafe.}) =
-  setupForeignThreadGc()
   var ctx: HMAC[sha256]
   var symKey: SymKey
   discard ctx.pbkdf2(channel, "", 65356, symKey)
@@ -111,6 +110,7 @@ proc subscribeChannel(
 
 proc nimbus_start(port: uint16 = 30303) {.exportc.} =
   setupForeignThreadGc()
+
   let address = Address(
     udpPort: port.Port, tcpPort: port.Port, ip: parseIpAddress("0.0.0.0"))
 
@@ -135,12 +135,18 @@ proc nimbus_start(port: uint16 = 30303) {.exportc.} =
 
     asyncCheck node.peerPool.connectToNode(whisperNode)
 
+  tearDownForeignThreadGc()
+
 proc nimbus_poll() {.exportc.} =
   setupForeignThreadGc()
+
   poll()
 
-# TODO: Consider better naming to understand how it relates to public channels etc
-proc nimbus_subscribe(channel: cstring, handler: proc (msg: ptr CReceivedMessage) {.gcsafe, cdecl.}) {.exportc.} =
+  tearDownForeignThreadGc()
+
+proc nimbus_join_public_chat(channel: cstring,
+                             handler: proc (msg: ptr CReceivedMessage)
+                             {.gcsafe, cdecl.}) {.exportc.} =
   setupForeignThreadGc()
 
   if handler.isNil:
@@ -161,10 +167,13 @@ proc nimbus_subscribe(channel: cstring, handler: proc (msg: ptr CReceivedMessage
 
     subscribeChannel($channel, c_handler)
 
+  tearDownForeignThreadGc()
+
 # TODO: Add signing key as parameter
 # TODO: How would we do key management? In nimbus (like in rpc) or in status go?
-proc nimbus_post(channel: cstring, payload: cstring) {.exportc.} =
+proc nimbus_post_public(channel: cstring, payload: cstring) {.exportc.} =
   setupForeignThreadGc()
+
   let encPrivateKey = initPrivateKey("5dc5381cae54ba3174dc0d46040fe11614d0cc94d41185922585198b4fcef9d3")
 
   var ctx: HMAC[sha256]
@@ -185,26 +194,39 @@ proc nimbus_post(channel: cstring, payload: cstring) {.exportc.} =
                            payload = npayload,
                            powTarget = 0.002)
 
+  tearDownForeignThreadGc()
+
 proc nimbus_add_peer(nodeId: cstring) {.exportc.} =
   setupForeignThreadGc()
+
   var whisperENode: ENode
   discard initENode($nodeId, whisperENode)
   var whisperNode = newNode(whisperENode)
 
   asyncCheck node.peerPool.connectToNode(whisperNode)
 
+  tearDownForeignThreadGc()
+
 # Whisper API (Similar to Whisper RPC API)
 # Mostly an example for now, lots of things to fix if continued like this.
 
 proc nimbus_string_to_topic(s: cstring): CTopic {.exportc.} =
+  setupForeignThreadGc()
+
   let hash = digest(keccak256, $s)
   for i in 0..<4:
     result.topic[i] = hash.data[i]
 
+  tearDownForeignThreadGc()
+
 proc nimbus_new_keypair(): cstring {.exportc.} =
+  setupForeignThreadGc()
+
   result = generateRandomID()
   whisperKeys.asymKeys.add($result, newKeyPair())
 
+  tearDownForeignThreadGc()
+
 proc nimbus_add_keypair(key: PrivateKey): cstring = discard
 proc nimbus_delete_keypair(id: cstring) = discard
 proc nimbus_add_symkey(key: SymKey): cstring = discard

wrappers/wrapper_example.c

@@ -24,7 +24,7 @@ int main(int argc, char* argv[]) {
   NimMain();
   nimbus_start(30303);
 
-  nimbus_subscribe(channel, print_msg);
+  nimbus_join_public_chat(channel, print_msg);
 
   lastmsg = time(NULL);
 
@@ -39,7 +39,7 @@ int main(int argc, char* argv[]) {
         msg, lastmsg * 1000 * 100, lastmsg * 1000, channel, msg);
 
       printf("Posting %s\n", buf);
-      nimbus_post(channel, buf);
+      nimbus_post_public(channel, buf);
     }
     nimbus_poll();
   }

wrappers/wrapper_example.go

@@ -37,24 +37,21 @@ func receiveHandler(msg *C.received_message) {
 
 func Start() {
 	C.NimMain()
-	fmt.Println("[nim-status] Start 1")
-	fmt.Println(C.nimbus_start(30306))
-	C.nimbus_subscribe(C.CString("status-test-go"), (C.received_msg_handler)(unsafe.Pointer(C.receiveHandler_cgo)))
-	fmt.Println("[nim-status] Start 2")
+	fmt.Println("[nim-status] Start Nimbus")
+	C.nimbus_start(30306)
 
 	peer1 := "enode://2d3e27d7846564f9b964308038dfadd4076e4373ac938e020708ad8819fd4fd90e5eb8314140768f782db704cb313b60707b968f8b61108a6fecd705b041746d@192.168.0.33:30303"
 	peer2 := "enode://4ea35352702027984a13274f241a56a47854a7fd4b3ba674a596cff917d3c825506431cf149f9f2312a293bb7c2b1cca55db742027090916d01529fe0729643b@206.189.243.178:443"
-
 	peer3 := "enode://94d2403d0c55b5c1627eb032c4c6ea8d30b523ae84661aafa18c539ce3af3f114a5bfe1a3cde7776988a6ab2906169dca8ce6a79e32d30c445629b24e6f59e0a@0.0.0.0:30303"
-	fmt.Println(C.nimbus_add_peer(C.CString(peer1)))
-	fmt.Println(C.nimbus_add_peer(C.CString(peer2)))
-
-	fmt.Println(C.nimbus_add_peer(C.CString(peer3)))
-
+	C.nimbus_add_peer(C.CString(peer1))
+	C.nimbus_add_peer(C.CString(peer2))
+	C.nimbus_add_peer(C.CString(peer3))
 }
 
-func ListenAndPost() {
-	fmt.Println("[nim-status] ListenAndPost 1")
+func StatusListenAndPost(channel string) {
+	fmt.Println("[nim-status] Status Public ListenAndPost")
+	C.nimbus_join_public_chat(C.CString(channel),
+		(C.received_msg_handler)(unsafe.Pointer(C.receiveHandler_cgo)))
 	i := 0
 	for {
 		//fmt.Println("[nim-status] ListenAndPost (post @i==1000) i= ", i)
@@ -62,10 +59,10 @@ func ListenAndPost() {
 		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\",\"status-test-go\",\"~:text\",\"Message:%d\"]]]", i, t*100, t, i)
+		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)
-			C.nimbus_post(C.CString("status-test-go"), C.CString(message))
+			C.nimbus_post_public(C.CString(channel), C.CString(message))
 		}
 	}
 }
@@ -77,5 +74,5 @@ func main() {
 	fmt.Println("GOMAXPROCS ", nprocs)
 
 	Start()
-	ListenAndPost()
+	StatusListenAndPost("status-test-go")
 }