socket_len udp_socket::send(net_comm_data& __senddata)
{
if (!check_socket_ok())
{
LOG_OUT("send socket is a invalid socket!\n", 0);
return -1;
}
int send_result = ::sendto (m_socket,
__senddata.get_buffer(),
__senddata.active_size(),
__senddata.m_flag,
&(__senddata.m_target_ip_addr.m_socket_info.m_ipaddr),
(__senddata.m_target_ip_addr.m_socket_size));
if (SOCKET_ERROR == send_result)
{
LOG_OUT("sendto error,return =%d, wsa error code = %d\n",
send_result, net_system_t::get_last_error());
}
else
{
LOG_OUT ("send size = %d\n", send_result);
}
return send_result;
}
static int _create_pid_file(void)
{
int ret = ERROR;
FILE* pidfile;
/* Check whether this process is running */
if ((pidfile = fopen(PID_FILE_PATH, "r"))) {
LOG_OUT("sheduled has been started");
fclose(pidfile);
return ERROR;
}
/* Create pid file */
if ((pidfile = fopen(PID_FILE_PATH, "w"))) {
fprintf(pidfile, "%d\n", getpid());
fclose(pidfile);
ret = OK;
}
else {
perror("pidfile");
ret = ERROR;
}
return ret;
}
static void _close(int signo)
{
LOG_OUT("recvd SIGTERM, exit now.");
_log_to_file(LOG_FILE_PATH, "recvd SIGTERM, exit now!");
unlink(PID_FILE_PATH);
exit(0);
}
bool CVideoPlayer::LoadDBFile( int eImageOrVideo, string strPathOrFileName )
{
bool retVal = true;
if(m_objDBSeq == NULL)
{
retVal = false;
m_eDBmode = eImageOrVideo;
switch(eImageOrVideo)
{
case DB_IMAGE:
m_objDBSeq = new CImgSeq();
break;
case DB_VIDEO:
m_objDBSeq = new CVideoSeq();
break;
default:
m_eDBmode = DB_UNDEFINED;
LOG_OUT("Argument [eImageOrVideo] can be DB_IMAGE or DB_VIDEO...\n");
break;
}
if(m_objDBSeq)
{
if(!m_objDBSeq->LoadDB(strPathOrFileName))
{
UnloadDBFile();
retVal = false;
}
else
{
m_nCurrFrame = 0;
m_nTotalFrame = m_objDBSeq->GetTotalFrame();
m_strPathAbsolute = m_objDBSeq->GetPathAbsolute();
m_sizeFrame = m_objDBSeq->GetFrameSize();
retVal = true;
}
}
}
else
{
LOG_OUT("Run UnloadDBFile() first...\n");
}
return retVal;
}
socket_len udp_socket::recv(net_comm_data& _recvdata)
{
if (!check_socket_ok())
{
LOG_OUT("recv socket is a invalid socket!\n", 0);
return -1;
}
int addr_family = m_local_ip.m_socket_info.m_addr_family;
switch (addr_family)
{
case AF_INET:
_recvdata.m_target_ip_addr.m_socket_size = sizeof (sockaddr_in);
break;
case AF_INET6:
_recvdata.m_target_ip_addr.m_socket_size = sizeof (sockaddr_in6);
break;
default:
_recvdata.m_target_ip_addr.m_socket_size = sizeof (sockaddr);
break;
}
int recv_result = ::recvfrom(m_socket, _recvdata.get_buffer(),
_recvdata.buffer_size(),
_recvdata.m_flag,
&(_recvdata.m_target_ip_addr.m_socket_info.m_ipaddr),
&(_recvdata.m_target_ip_addr.m_socket_size));
if (SOCKET_ERROR == recv_result)
{
LOG_OUT("recvfrom error,return =%d, wsa error code = %d\n",
recv_result, net_system_t::get_last_error());
}
else
{
LOG_OUT ("recv size = %d\n", recv_result);
}
return recv_result;
}
bool CVideoPlayer::GoToSpecificFrame( int nSpecFrame )
{
if(nSpecFrame < 0 || nSpecFrame >= m_nTotalFrame)
{
char szErr[100];
sprintf_s(szErr, "frame is out-of-range : it should be 0-%d..\n",m_nTotalFrame-1);
LOG_OUT(szErr);
return false;
}
m_nCurrFrame = nSpecFrame;
return true;
}
//@override
bool CAdvancedAnnotator::GoToSpecificFrame( int nSpecFrame )
{
if(m_nCurrFrame != nSpecFrame)
{
SyncXmlFrameInfo();
m_pXMLDoc->SaveFile((m_strPathAbsolute+m_strXMLFileName).c_str());
}
if(nSpecFrame < 0 || nSpecFrame >= m_nTotalFrame)
{
char szErr[100];
sprintf_s(szErr, "frame is out-of-range : it should be 0~%d..\n",m_nTotalFrame-1);
LOG_OUT(szErr);
return false;
}
LoadFrame(nSpecFrame);
return true;
}
int udp_socket::init(ip_addr_info_t& local_ip_info,
bool bEnable_auto_bind, // = true
bool enable_bind //= true
)
{
if (check_socket_ok())
{
close();
}
int status = PFX_STATUS_OK;
FOR_ONE_LOOP_BEGIN
m_socket = ::socket(local_ip_info.m_socket_info.m_addr_family,
SOCK_DGRAM, IPPROTO_UDP);
if (!check_socket_ok())
{
LOG_OUT("WSASocket error,error code = %d",
net_system_t::get_last_error());
status = PFX_STATUS_FAIL;
break;
}
if (enable_bind)
{
int bind_result = SOCKET_ERROR;
if (bEnable_auto_bind)
{
unsigned short backup_port = htons(local_ip_info.m_socket_info.m_ipv4addr.sin_port);
for (unsigned short try_port = backup_port; try_port<65535; ++try_port)
{
local_ip_info.m_socket_info.m_ipv4addr.sin_port = htons(try_port);
bind_result = bind (m_socket,
&local_ip_info.m_socket_info.m_ipaddr,
local_ip_info.m_socket_size);
if (SOCKET_ERROR != bind_result)
{
LOG_OUT ("绑定端口为:%d\n", try_port);
break;
}
}
if (SOCKET_ERROR == bind_result)
{
LOG_OUT("port %d ~ 65535 bind error,error code = %d",
backup_port, GetNetLastErrorCode());
local_ip_info.m_socket_info.m_ipv4addr.sin_port = htons(backup_port);
close();
status = PFX_STATUS_FAIL;
break;
}
}
else
{
bind_result = bind (m_socket,
&local_ip_info.m_socket_info.m_ipaddr,
local_ip_info.m_socket_size);
if (SOCKET_ERROR != bind_result)
{
LOG_OUT ("绑定端口为:%d\n",
htons(local_ip_info.m_socket_info.m_ipv4addr.sin_port));
break;
}
else
{
LOG_OUT("bind error,error code = %d",net_system_t::get_last_error());
close();
status = PFX_STATUS_FAIL;
break;
}
}
}
m_local_ip = local_ip_info;
FOR_ONE_LOOP_END
return status;
}