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#include "network.h"
#include <sys/stat.h>
#include <string.h>
#include <glib.h>
#include <gio/gunixsocketaddress.h>
static gboolean socket_has_data_cb (GSocket *socket, GIOCondition condition, void *socketclass)
{
gboolean ret = TRUE;
if (NULL != socketclass)
{
AbstractSocket *pSocket = static_cast<AbstractSocket *>(socketclass);
ret = pSocket->dataReceived(socket, condition);
}
return ret;
}
/*!
\class AbstractSocket
\brief The AbstractSocket provide a base functionality common to all socket types.
*/
AbstractSocket::~AbstractSocket()
{
if (socket)
g_object_unref(socket);
}
std::string AbstractSocket::readAll()
{
std::string buf;
size_t nSz = bytesAvailable();
if (nSz > 0)
{
buf.resize(nSz);
read(buf.data(), nSz);
}
return buf;
}
gboolean AbstractSocket::dataReceived(GSocket *socket, GIOCondition condition)
{
const gsize kBufSize = 2048;
GError *error = NULL;
gsize len;
gchar buffer[kBufSize];
gboolean ret = TRUE;
if ((condition & G_IO_HUP) > 0) // socket was disconnected
{
aboutToClose.emit();
ret = FALSE;
}
else if ((condition & G_IO_IN) > 0) /* there is data */
{
bool hasData = false;
do
{
len = g_socket_receive (socket, buffer, kBufSize, NULL, &error);
if (error != NULL)
{
g_error_free (error);
ret = FALSE;
break;
}
else if (len != 0)
{
hasData = true;
buffer[len] = '\0';
data.append(buffer, len);
g_print("RECEIVED:[%s] [%s] %d %d\n", buffer, data.c_str(), data.length(), len);
}
}
while (kBufSize == len);
if (ret && hasData)
{
readyRead.emit();
}
}
return ret;
}
size_t AbstractSocket::read(const char * buf, size_t num)
{
g_print("QAbstractSocket::read %d bytes has %d\n", num, data.length());
if (buf == NULL || num <= 0)
return 0;
size_t len = data.length();
if (len > 0)
{
int nExtra = 0;
if (len > num)
{
nExtra = len - num;
len = num;
}
memcpy((void *)buf, data.c_str(), len);
if (nExtra > 0)
data.erase(0, len);
else
data.erase();
g_print("QAbstractSocket::read completed - read %d bytes left %d\n", len, data.length());
}
return len;
}
size_t AbstractSocket::write(const char *data, size_t len)
{
if (socket == NULL)
return 0;
GError *error = NULL;
/* send data */
gssize wrote = g_socket_send (socket, data, len, NULL, &error);
if (wrote != len)
{
g_print("QLocalSocket::write ERROR\n");
}
else
{
g_print("QLocalSocket::write - bytes written %d\n", wrote);
}
return wrote;
}
/*!
\class LocalSocket
\brief The LocalSocket provides a local socket.
*/
bool LocalSocket::connectToServer(const std::string & filename)
{
bool ret;
GError *error = NULL;
GSocketAddress *address = NULL;
GSource *source;
struct stat st;
if (0 != stat(filename.c_str(), &st))
{
return false;
}
g_assert (g_file_test (filename.c_str(), G_FILE_TEST_EXISTS));
/* create socket */
socket = g_socket_new (G_SOCKET_FAMILY_UNIX, G_SOCKET_TYPE_STREAM, G_SOCKET_PROTOCOL_DEFAULT, &error);
g_assert_no_error (error);
g_assert (socket != NULL);
g_socket_set_blocking (socket, FALSE);
g_socket_set_keepalive (socket, TRUE);
/* connect to it */
address = g_unix_socket_address_new_with_type (filename.c_str(), -1, G_UNIX_SOCKET_ADDRESS_PATH);
ret = g_socket_connect (socket, address, NULL, &error);
g_assert_no_error (error);
g_assert (ret);
g_object_unref(address);
/* socket has data */
source = g_socket_create_source (socket, (GIOCondition)(G_IO_IN | G_IO_ERR | G_IO_HUP | G_IO_NVAL), NULL);
g_source_set_callback (source, (GSourceFunc) socket_has_data_cb, this, NULL);
g_source_attach (source, NULL);
return ret;
}
bool LocalSocket::waitForConnected()
{
return true;
}
/*!
\class TcpSocket
\brief The TcpSocket provides a TCP socket.
*/
bool TcpSocket::connectToHost(const std::string& hostname, int port)
{
bool ret = false;
GError *error = NULL;
GSocketAddress *address = NULL;
GInetAddress *inet_address;
GSource *source;
/* create socket */
socket = g_socket_new (G_SOCKET_FAMILY_IPV4, G_SOCKET_TYPE_STREAM, G_SOCKET_PROTOCOL_DEFAULT, &error);
g_assert_no_error (error);
g_assert (socket != NULL);
g_socket_set_blocking (socket, FALSE);
g_socket_set_keepalive (socket, TRUE);
/* connect to it */
inet_address = g_inet_address_new_from_string(hostname.c_str());
address = g_inet_socket_address_new (inet_address, port);
ret = g_socket_connect (socket, address, NULL, &error);
g_assert_no_error (error);
g_assert (ret);
g_object_unref(address);
g_object_unref(inet_address);
/* socket has data */
source = g_socket_create_source (socket, (GIOCondition)(G_IO_IN | G_IO_ERR | G_IO_HUP | G_IO_NVAL), NULL);
g_source_set_callback (source, (GSourceFunc) socket_has_data_cb, this, NULL);
g_source_attach (source, NULL);
return ret;
}
bool TcpSocket::waitForConnected()
{
return true;
}
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