public ServiceApp()
{
_started = false;
_address = new RpcAddress();
Native.dsn_address_get_invalid(out _address.addr);
_gch = GCHandle.Alloc(this);
}
public static void Read(this Stream rs, out RpcAddress val)
{
using (var reader = new BinaryReader(rs))
{
val = new RpcAddress(reader.ReadUInt64());
}
}
public SafeTaskHandle ping2(
string val,
pingCallback callback,
int timeout_milliseconds = 0,
int reply_hash = 0,
int request_hash = 0,
RpcAddress server = null)
{
RpcWriteStream s = new RpcWriteStream(echoHelper.RPC_ECHO_ECHO_PING,timeout_milliseconds, request_hash);
s.Write(val);
s.Flush();
return RpcCallAsync2(
server != null ? server : _server,
s,
this,
(err, rs) =>
{
string resp;
rs.Read(out resp);
callback(err, resp);
},
reply_hash
);
}
public static void Write(this Stream ws, RpcAddress val)
{
using (var writer = new BinaryWriter(ws))
{
writer.Write(val);
}
}
public void ping(
string val,
pingCallback callback,
int timeout_milliseconds = 0,
int reply_thread_hash = 0,
ulong request_hash = 0,
RpcAddress server = null)
{
var s = new RpcWriteStream(echoHelper.RPC_ECHO_ECHO_PING, timeout_milliseconds, request_hash);
s.Write(val);
s.Flush();
RpcCallAsync(
server ?? _server,
s,
this,
(err, rs) =>
{
string resp;
rs.Read(out resp);
callback(err, resp);
},
reply_thread_hash
);
}
public override ErrorCode Start(string[] args)
{
if (args.Length < 2)
{
throw new Exception("wrong usage: server-host server-port or service-url");
}
if (args.Length >= 3)
{
_server.addr = Native.dsn_address_build(args[1], ushort.Parse(args[2]));
}
else
{
if (args[1].Contains("dsn://"))
_server = new RpcAddress(args[1]);
else
{
var addrs = args[1].Split(new char[] { ':'}, StringSplitOptions.RemoveEmptyEntries);
_server.addr = Native.dsn_address_build(addrs[0], ushort.Parse(addrs[1]));
}
}
_echoClient = new echoClient(_server);
_timer = Clientlet.CallAsync2(echoHelper.LPC_ECHO_TEST_TIMER, null, this.OnTestTimer, 0, 0, 1000);
return ErrorCode.ERR_OK;
}
//
// this gives you the task handle so you can wait or cancel
// the task, with the cost of add/ref the task handle
//
public static SafeTaskHandle RpcCallAsync2(
RpcAddress server,
RpcWriteStream requestStream,
Clientlet callbackOwner,
RpcResponseHandler callback,
int replyHash = 0
)
{
Logging.dassert(requestStream.IsFlushed(),
"RpcWriteStream must be flushed after write in the same thread");
var idx = GlobalInterOpLookupTable.Put(callback);
var task = Native.dsn_rpc_create_response_task(
requestStream.DangerousGetHandle(),
_c_rpc_response_handler_holder,
(IntPtr)idx,
replyHash,
callbackOwner?.tracker() ?? IntPtr.Zero
);
var ret = new SafeTaskHandle(task, idx);
Native.dsn_rpc_call(server.addr, task);
return(ret);
}
// no callback
public static void RpcCallOneWay(
RpcAddress server,
RpcWriteStream requestStream
)
{
Logging.dassert(requestStream.IsFlushed(),
"RpcWriteStream must be flushed after write in the same thread");
Native.dsn_rpc_call_one_way(server, requestStream.DangerousGetHandle());
}
public static RpcReadStream RpcCallSync(
RpcAddress server,
RpcWriteStream requestStream
)
{
Logging.dassert(requestStream.IsFlushed(),
"RpcWriteStream must be flushed after write in the same thread");
var respMsg = Native.dsn_rpc_call_wait(server.addr, requestStream.DangerousGetHandle());
return(IntPtr.Zero == respMsg ? null : new RpcReadStream(respMsg, true));
}
public static void RpcCallAsync(
RpcAddress server,
RpcWriteStream requestStream,
Servicelet callbackOwner,
RpcResponseHandler callback,
int replyHash = 0
)
{
Logging.dassert(requestStream.IsFlushed(),
"RpcWriteStream must be flushed after write in the same thread");
var idx = GlobalInterOpLookupTable.Put(callback);
dsn_task_t task = Native.dsn_rpc_create_response_task(
requestStream.DangerousGetHandle(),
_c_rpc_response_handler_holder,
(IntPtr)idx,
replyHash
);
Native.dsn_rpc_call(server, task, callbackOwner != null ? callbackOwner.tracker() : IntPtr.Zero);
}
// ---------- call echoHelper.RPC_ECHO_ECHO_PING ------------
// - synchronous
public ErrorCode ping(
string val,
out string resp,
int timeout_milliseconds = 0,
int hash = 0,
RpcAddress server = null)
{
RpcWriteStream s = new RpcWriteStream(echoHelper.RPC_ECHO_ECHO_PING, timeout_milliseconds, hash);
s.Write(val);
s.Flush();
var respStream = RpcCallSync(server != null ? server : _server, s);
if (null == respStream)
{
resp = default(string);
return ErrorCode.ERR_TIMEOUT;
}
else
{
respStream.Read(out resp);
return ErrorCode.ERR_OK;
}
}
public static RpcReadStream RpcCallSync(
RpcAddress server,
RpcWriteStream requestStream
)
{
Logging.dassert(requestStream.IsFlushed(),
"RpcWriteStream must be flushed after write in the same thread");
IntPtr respMsg = Native.dsn_rpc_call_wait(server, requestStream.DangerousGetHandle());
if (IntPtr.Zero == respMsg)
{
return null;
}
else
{
return new RpcReadStream(respMsg, true);
}
}
// no callback
public static void RpcCallOneWay(
RpcAddress server,
RpcWriteStream requestStream
)
{
Logging.dassert(requestStream.IsFlushed(),
"RpcWriteStream must be flushed after write in the same thread");
Native.dsn_rpc_call_one_way(server, requestStream.DangerousGetHandle());
}
//
// this gives you the task handle so you can wait or cancel
// the task, with the cost of add/ref the task handle
//
public static SafeTaskHandle RpcCallAsync2(
RpcAddress server,
RpcWriteStream requestStream,
Servicelet callbackOwner,
RpcResponseHandler callback,
int replyHash = 0
)
{
Logging.dassert(requestStream.IsFlushed(),
"RpcWriteStream must be flushed after write in the same thread");
var idx = GlobalInterOpLookupTable.Put(callback);
dsn_task_t task = Native.dsn_rpc_create_response_task(
requestStream.DangerousGetHandle(),
_c_rpc_response_handler_holder,
(IntPtr)idx,
replyHash
);
var ret = new SafeTaskHandle(task);
Native.dsn_rpc_call(server, task, callbackOwner != null ? callbackOwner.tracker() : IntPtr.Zero);
return ret;
}
public echoClient(RpcAddress server) { _server = server; }
public static void Write(this Stream ws, RpcAddress val)
{
using (var writer = new BinaryWriter(ws))
{
writer.Write(val);
}
}
public static void Read(this Stream rs, out RpcAddress val)
{
using (var reader = new BinaryReader(rs))
{
val = new RpcAddress(reader.ReadUInt64());
}
}
public static void RpcCallAsync(
RpcAddress server,
RpcWriteStream requestStream,
Clientlet callbackOwner,
RpcResponseHandler callback,
int replyHash = 0
)
{
Logging.dassert(requestStream.IsFlushed(),
"RpcWriteStream must be flushed after write in the same thread");
var idx = GlobalInterOpLookupTable.Put(callback);
var task = Native.dsn_rpc_create_response_task(
requestStream.DangerousGetHandle(),
_c_rpc_response_handler_holder,
(IntPtr)idx,
replyHash,
callbackOwner?.tracker() ?? IntPtr.Zero
);
Native.dsn_rpc_call(server.addr, task);
}
public ServiceApp()
{
_started = false;
_address = new RpcAddress();
_gch = GCHandle.Alloc(this);
}
