int32 CTCPRequestPacket::SendToSocket(uint8* data, uint32 length)
{
int32 iResult;
WBUFW(data,(0x00)) = length; // packet size
WBUFL(data,(0x04)) = 0x46465849; // "XIFF"
md5((uint8*)(key), blowfish.hash, 24);
blowfish_init((int8*)blowfish.hash,16, blowfish.P, blowfish.S[0]);
md5(data+8, data+length-0x18+0x04, length-0x18-0x04);
uint8 tmp = (length-12)/4;
tmp -= tmp%2;
for(uint8 i = 0; i < tmp; i += 2)
{
blowfish_encipher((uint32*)data+i+2, (uint32*)data+i+3, blowfish.P, blowfish.S[0]);
}
memcpy(&data[length]-0x04, key+16, 4);
iResult = send(*m_socket, (const int8*)data, length, 0);
if (iResult == SOCKET_ERROR)
{
#ifdef WIN32
ShowError("send failed with error: %d\n", WSAGetLastError());
#else
ShowError("send failed with error: %d\n", errno);
#endif
return 0;
}
return ReceiveFromSocket();
}
void Java_com_apress_echo_EchoClientActivity_nativeStartTcpClient(
JNIEnv* env,
jobject obj,
jstring ip,
jint port,
jstring message)
{
// Construct a new TCP socket.
int clientSocket = NewTcpSocket(env, obj);
if (NULL == env->ExceptionOccurred())
{
// Get IP address as C string
const char* ipAddress = env->GetStringUTFChars(ip, NULL);
if (NULL == ipAddress)
goto exit;
// Connect to IP address and port
ConnectToAddress(env, obj, clientSocket, ipAddress,
(unsigned short) port);
// Release the IP address
env->ReleaseStringUTFChars(ip, ipAddress);
// If connection was successful
if (NULL != env->ExceptionOccurred())
goto exit;
// Get message as C string
const char* messageText = env->GetStringUTFChars(message, NULL);
if (NULL == messageText)
goto exit;
// Get the message size
jsize messageSize = env->GetStringUTFLength(message);
// Send message to socket
SendToSocket(env, obj, clientSocket, messageText, messageSize);
// Release the message text
env->ReleaseStringUTFChars(message, messageText);
// If send was not successful
if (NULL != env->ExceptionOccurred())
goto exit;
char buffer[MAX_BUFFER_SIZE];
// Receive from the socket
ReceiveFromSocket(env, obj, clientSocket, buffer, MAX_BUFFER_SIZE);
}
exit:
if (clientSocket > 0)
{
close(clientSocket);
}
}
JNIEXPORT void JNICALL Java_com_eric_ndkapp_ServerActivity_nativeSendServer
(JNIEnv * env, jobject obj, jstring ip, jint port, jstring message)
{
// Construct a new TCP socket.
if (serverSocket == 0)
{
LogMessage(env, obj, "Server is not running.");
return;
}
if (clientSocket == 0)
{
LogMessage(env, obj, "Client is not running.");
return;
}
if (env->ExceptionOccurred() == NULL)
{
// Get IP address as C string
const char* ipAddress = env->GetStringUTFChars(ip, NULL);
if (NULL == ipAddress)
goto exit;
// Release the IP address
env->ReleaseStringUTFChars(ip, ipAddress);
// If connection was successful
if (NULL != env->ExceptionOccurred())
goto exit;
// Get message as C string
const char* messageText = env->GetStringUTFChars(message, NULL);
if (NULL == messageText)
goto exit;
// Get the message size
jsize messageSize = env->GetStringUTFLength(message);
// Send message to socket
SendToSocket(env, obj, clientSocket, messageText, messageSize);
// Release the message text
env->ReleaseStringUTFChars(message, messageText);
// If send was not successful
if (NULL != env->ExceptionOccurred())
goto exit;
char buffer[MAX_BUFFER_SIZE];
// Receive from the socket
while (ReceiveFromSocket(env, obj, clientSocket, buffer, MAX_BUFFER_SIZE) > 0)
{
}
}
exit:
return;
}
void ReceiveFromComPort(void)
{
if (ReceiveFromSocket(serialSock) && !activeSock) {
activeSock = serialSock;
if (udpSock) {
UDBSocket_close(udpSock);
udpSock = NULL;
}
LoggingFile.mLogFile << "Using serial port. Closed udp port." << endl;
printf("Using serial port. Closed udp port.\n");
}
if (ReceiveFromSocket(udpSock) && !activeSock) {
activeSock = udpSock;
if (serialSock) {
UDBSocket_close(serialSock);
serialSock = NULL;
}
LoggingFile.mLogFile << "Using udp port. Closed serial port." << endl;
printf("Using udp port. Closed serial port.\n");
}
}
void Java_com_apress_echo_LocalEchoActivity_nativeStartLocalServer(
JNIEnv* env,
jobject obj,
jstring name)
{
// Construct a new local UNIX socket.
int serverSocket = NewLocalSocket(env, obj);
if (NULL == env->ExceptionOccurred())
{
// Get name as C string
const char* nameText = env->GetStringUTFChars(name, NULL);
if (NULL == nameText)
goto exit;
// Bind socket to a port number
BindLocalSocketToName(env, obj, serverSocket, nameText);
// Release the name text
env->ReleaseStringUTFChars(name, nameText);
// If bind is failed
if (NULL != env->ExceptionOccurred())
goto exit;
// Listen on socket with a backlog of 4 pending connections
ListenOnSocket(env, obj, serverSocket, 4);
if (NULL != env->ExceptionOccurred())
goto exit;
// Accept a client connection on socket
int clientSocket = AcceptOnLocalSocket(env, obj, serverSocket);
if (NULL != env->ExceptionOccurred())
goto exit;
char buffer[MAX_BUFFER_SIZE];
ssize_t recvSize;
ssize_t sentSize;
// Receive and send back the data
while (1)
{
// Receive from the socket
recvSize = ReceiveFromSocket(env, obj, clientSocket,
buffer, MAX_BUFFER_SIZE);
if ((0 == recvSize) || (NULL != env->ExceptionOccurred()))
break;
// Send to the socket
sentSize = SendToSocket(env, obj, clientSocket,
buffer, (size_t) recvSize);
if ((0 == sentSize) || (NULL != env->ExceptionOccurred()))
break;
}
// Close the client socket
close(clientSocket);
}
exit:
if (serverSocket > 0)
{
close(serverSocket);
}
}
void Java_com_apress_echo_EchoServerActivity_nativeStartTcpServer(
JNIEnv* env,
jobject obj,
jint port)
{
// Construct a new TCP socket.
int serverSocket = NewTcpSocket(env, obj);
if (NULL == env->ExceptionOccurred())
{
// Bind socket to a port number
BindSocketToPort(env, obj, serverSocket, (unsigned short) port);
if (NULL != env->ExceptionOccurred())
goto exit;
// If random port number is requested
if (0 == port)
{
// Get the port number socket is currently binded
GetSocketPort(env, obj, serverSocket);
if (NULL != env->ExceptionOccurred())
goto exit;
}
// Listen on socket with a backlog of 4 pending connections
ListenOnSocket(env, obj, serverSocket, 4);
if (NULL != env->ExceptionOccurred())
goto exit;
// Accept a client connection on socket
int clientSocket = AcceptOnSocket(env, obj, serverSocket);
if (NULL != env->ExceptionOccurred())
goto exit;
char buffer[MAX_BUFFER_SIZE];
ssize_t recvSize;
ssize_t sentSize;
// Receive and send back the data
while (1)
{
// Receive from the socket
recvSize = ReceiveFromSocket(env, obj, clientSocket,
buffer, MAX_BUFFER_SIZE);
if ((0 == recvSize) || (NULL != env->ExceptionOccurred()))
break;
// Send to the socket
sentSize = SendToSocket(env, obj, clientSocket,
buffer, (size_t) recvSize);
if ((0 == sentSize) || (NULL != env->ExceptionOccurred()))
break;
}
// Close the client socket
close(clientSocket);
}
exit:
if (serverSocket > 0)
{
close(serverSocket);
}
}
JNIEXPORT void JNICALL Java_com_example_hellojni_Native_nativeStartTcpServer
(JNIEnv *env, jobject obj, jint port) {
// Construct a new TCP socket.
int serverSocket = NewTcpSocket(env, obj);
if (NULL == env->ExceptionOccurred())
{
// Bind socket to a port number
BindSocketToPort(env, obj, serverSocket, (unsigned short) port);
if (NULL != env->ExceptionOccurred())
goto exit;
// If random port number is requested
if (0 == port)
{
// Get the port number socket is currently binded
GetSocketPort(env, obj, serverSocket);
if (NULL != env->ExceptionOccurred())
goto exit;
}
// Listen on socket with a backlog of 4 pending connections
ListenOnSocket(env, obj, serverSocket, 4);
if (NULL != env->ExceptionOccurred())
goto exit;
// Accept a client connection on socket
int clientSocket = AcceptOnSocket(env, obj, serverSocket);
if (NULL != env->ExceptionOccurred())
goto exit;
char buffer[MAX_BUFFER_SIZE];
ssize_t recvSize;
ssize_t sentSize;
// Receive and send back the data
while (1)
{
// Receive from the socket
recvSize = ReceiveFromSocket(env, obj, clientSocket,
buffer, MAX_BUFFER_SIZE);
if ((0 == recvSize) || (NULL != env->ExceptionOccurred()))
break;
// Send to the socket
char prefix[] = "Server: ";
char toSend[MAX_BUFFER_SIZE + strlen(prefix)];
strcpy(toSend, prefix);
strcat(toSend, buffer);
sentSize = SendToSocket(env, obj, clientSocket,
toSend, (size_t) strlen(toSend));
if ((0 == sentSize) || (NULL != env->ExceptionOccurred()))
break;
}
// Close the client socket
close(clientSocket);
}
exit:
if (serverSocket > 0)
{
close(serverSocket);
}
}
JNIEXPORT void JNICALL Java_com_eric_ndkapp_ServerActivity_nativeStartServer
(JNIEnv * env, jobject obj, jstring ip, jint port, jstring message)
{
// Construct a new TCP socket.
if (serverSocket > 0)
{
LogMessage(env, obj, "Server is running");
return;
}
serverSocket = NewTcpSocket(env, obj);
if (NULL == env->ExceptionOccurred())
{
// Get IP address as C string
const char* ipAddress = env->GetStringUTFChars(ip, NULL);
if (NULL == ipAddress)
goto exit;
// Bind socket to a port number
BindSocketToPort(env, obj, serverSocket, ipAddress, (unsigned short) port);
// Release the IP address
env->ReleaseStringUTFChars(ip, ipAddress);
if (NULL != env->ExceptionOccurred())
goto exit;
// Listen on socket with a backlog of 4 pending connections
ListenOnSocket(env, obj, serverSocket, 4);
if (NULL != env->ExceptionOccurred())
goto exit;
// Accept a client connection on socket
int socket = 0;
if (clientSocket == 0)
{
clientSocket = AcceptOnSocket(env, obj, serverSocket);
}
if (env->ExceptionOccurred() == NULL)
{
// Receive and send back the data
char buffer[MAX_BUFFER_SIZE];
ssize_t recvSize;
ssize_t sentSize;
// Get message as C string
const char* messageText = env->GetStringUTFChars(message, NULL);
if (NULL == messageText)
goto exit;
// Get the message size
jsize messageSize = env->GetStringUTFLength(message);
// Send to the socket
sentSize = SendToSocket(env, obj, clientSocket, messageText, messageSize);
// Release the message text
env->ReleaseStringUTFChars(message, messageText);
while ((recvSize = ReceiveFromSocket(env, obj, clientSocket, buffer, MAX_BUFFER_SIZE)) > 0)
{
}
}
}
exit:
return;
}
