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);
}
}
void Java_com_rprata_socketjni_socket_SocketResource_nativeStartLocalServer(JNIEnv* env, jobject obj, jstring name, jstring filename)
{
// Construct a new local UNIX socket.
int serverSocket = NewLocalSocket(env, obj);
if (NULL == env->ExceptionOccurred())
{
// Get filename from String class
const char * utf8 = env->GetStringUTFChars(filename, NULL);
FILE * file = fopen(utf8, "rb");
if (file == NULL)
{
LOGI("Erro ao abrir o arquivo");
goto exit;
}
env->ReleaseStringUTFChars(filename, utf8);
// 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;
size_t bytesRead;
// Receive and send back the data
while ((bytesRead = fread(videoBuffer, 1, BUFFER_SIZE, file)) > 0)
{
sentSize = SendToSocket(env, obj, clientSocket,
videoBuffer, bytesRead);
}
// 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;
}
