/*
* This file is part of the libCEC(R) library.
*
- * libCEC(R) is Copyright (C) 2011 Pulse-Eight Limited. All rights reserved.
+ * libCEC(R) is Copyright (C) 2011-2013 Pulse-Eight Limited. All rights reserved.
* libCEC(R) is an original work, containing original code.
*
* libCEC(R) is a trademark of Pulse-Eight Limited.
* http://www.pulse-eight.net/
*/
+#include "env.h"
#include <stdio.h>
#include <fcntl.h>
-#include "../serialport/serialport.h"
-#include "../serialport/baudrate.h"
-#include "../timeutils.h"
+#include "lib/platform/sockets/serialport.h"
+#include "lib/platform/util/baudrate.h"
+#include "lib/platform/posix/os-socket.h"
-#if defined(__APPLE__)
+#if defined(__APPLE__) || defined(__FreeBSD__)
#ifndef XCASE
#define XCASE 0
#endif
#ifndef IUCLC
#define IUCLC 0
#endif
+#else
+#ifdef HAVE_LOCKDEV
+#include <lockdev.h>
#endif
+#endif
+
using namespace std;
using namespace PLATFORM;
-CSerialPort::CSerialPort()
-{
- m_fd = -1;
- m_tostdout = false;
-}
-
-CSerialPort::~CSerialPort()
+inline bool RemoveLock(const char *strDeviceName)
{
- Close();
+ #if !defined(__APPLE__) && !defined(__FreeBSD__) && defined(HAVE_LOCKDEV)
+ return dev_unlock(strDeviceName, 0) == 0;
+ #else
+ (void)strDeviceName; // silence unused warning
+ return true;
+ #endif
}
-int64_t CSerialPort::Write(uint8_t* data, uint32_t len)
+void CSerialSocket::Close(void)
{
- fd_set port;
-
- CLockObject lock(m_mutex);
- if (m_fd == -1)
+ if (IsOpen())
{
- m_error = "port closed";
- return -1;
- }
-
- int64_t byteswritten = 0;
- struct timeval *tv;
-//TODO
-// struct timeval timeout, *tv;
-// if (data->transmit_timeout <= 0)
-// {
- tv = NULL;
-// }
-// else
-// {
-// timeout.tv_sec = (long int)data->transmit_timeout / (long int)1000.;
-// timeout.tv_usec = (long int)data->transmit_timeout % (long int)1000.;
-// tv = &timeout;
-// }
-
- while (byteswritten < len)
- {
- FD_ZERO(&port);
- FD_SET(m_fd, &port);
- int returnv = select(m_fd + 1, NULL, &port, NULL, tv);
- if (returnv < 0)
- {
- m_error = strerror(errno);
- return -1;
- }
- else if (returnv == 0)
- {
- m_error = "timeout";
- return -1;
- }
-
- returnv = write(m_fd, data + byteswritten, len - byteswritten);
- if (returnv == -1)
- {
- m_error = strerror(errno);
- return -1;
- }
- byteswritten += returnv;
+ SocketClose(m_socket);
+ RemoveLock(m_strName.c_str());
}
+}
- //print what's written to stdout for debugging
- if (m_tostdout)
+void CSerialSocket::Shutdown(void)
+{
+ if (IsOpen())
{
- printf("%s write:", m_name.c_str());
- for (int i = 0; i < byteswritten; i++)
- printf(" %02x", data[i]);
-
- printf("\n");
+ SocketClose(m_socket);
+ RemoveLock(m_strName.c_str());
}
-
- return byteswritten;
}
-int32_t CSerialPort::Read(uint8_t* data, uint32_t len, uint64_t iTimeoutMs /*= 0*/)
+ssize_t CSerialSocket::Write(void* data, size_t len)
{
- fd_set port;
- struct timeval timeout, *tv;
- int64_t now(0), target(0);
- int32_t bytesread = 0;
-
- CLockObject lock(m_mutex);
- if (m_fd == -1)
- {
- m_error = "port closed";
- return -1;
- }
+ return IsOpen() ? SocketWrite(m_socket, &m_iError, data, len) : -1;
+}
- if (iTimeoutMs > 0)
- {
- now = GetTimeMs();
- target = now + (int64_t) iTimeoutMs;
- }
+ssize_t CSerialSocket::Read(void* data, size_t len, uint64_t iTimeoutMs /* = 0 */)
+{
+ return IsOpen() ? SocketRead(m_socket, &m_iError, data, len, iTimeoutMs) : -1;
+}
- while (bytesread < (int32_t) len && (iTimeoutMs == 0 || target > now))
+//setting all this stuff up is a pain in the ass
+bool CSerialSocket::Open(uint64_t iTimeoutMs /* = 0 */)
+{
+ iTimeoutMs = 0; if (!iTimeoutMs){} // silence unused warning
+ if (IsOpen())
{
- if (iTimeoutMs == 0)
- {
- tv = NULL;
- }
- else
- {
- timeout.tv_sec = ((long int)target - (long int)now) / (long int)1000.;
- timeout.tv_usec = ((long int)target - (long int)now) % (long int)1000.;
- tv = &timeout;
- }
-
- FD_ZERO(&port);
- FD_SET(m_fd, &port);
- int32_t returnv = select(m_fd + 1, &port, NULL, NULL, tv);
-
- if (returnv == -1)
- {
- m_error = strerror(errno);
- return -1;
- }
- else if (returnv == 0)
- {
- break; //nothing to read
- }
-
- returnv = read(m_fd, data + bytesread, len - bytesread);
- if (returnv == -1)
- {
- m_error = strerror(errno);
- return -1;
- }
-
- bytesread += returnv;
-
- if (iTimeoutMs > 0)
- now = GetTimeMs();
+ m_iError = EINVAL;
+ return false;
}
- //print what's read to stdout for debugging
- if (m_tostdout && bytesread > 0)
+ if (m_iDatabits != SERIAL_DATA_BITS_FIVE && m_iDatabits != SERIAL_DATA_BITS_SIX &&
+ m_iDatabits != SERIAL_DATA_BITS_SEVEN && m_iDatabits != SERIAL_DATA_BITS_EIGHT)
{
- printf("%s read:", m_name.c_str());
- for (int i = 0; i < bytesread; i++)
- printf(" %02x", data[i]);
-
- printf("\n");
+ m_strError = "Databits has to be between 5 and 8";
+ m_iError = EINVAL;
+ return false;
}
- return bytesread;
-}
-
-//setting all this stuff up is a pain in the ass
-bool CSerialPort::Open(string name, uint32_t baudrate, uint8_t databits /* = 8 */, uint8_t stopbits /* = 1 */, uint8_t parity /* = PAR_NONE */)
-{
- m_name = name;
- m_error = strerror(errno);
- CLockObject lock(m_mutex);
-
- if (databits < 5 || databits > 8)
+ if (m_iStopbits != SERIAL_STOP_BITS_ONE && m_iStopbits != SERIAL_STOP_BITS_TWO)
{
- m_error = "Databits has to be between 5 and 8";
+ m_strError = "Stopbits has to be 1 or 2";
+ m_iError = EINVAL;
return false;
}
- if (stopbits != 1 && stopbits != 2)
+ if (m_iParity != SERIAL_PARITY_NONE && m_iParity != SERIAL_PARITY_EVEN && m_iParity != SERIAL_PARITY_ODD)
{
- m_error = "Stopbits has to be 1 or 2";
+ m_strError = "Parity has to be none, even or odd";
+ m_iError = EINVAL;
return false;
}
- if (parity != PAR_NONE && parity != PAR_EVEN && parity != PAR_ODD)
+ #if !defined(__APPLE__) && !defined(__FreeBSD__) && defined(HAVE_LOCKDEV)
+ if (dev_lock(m_strName.c_str()) != 0)
{
- m_error = "Parity has to be none, even or odd";
+ m_strError = "Couldn't lock the serial port";
+ m_iError = EBUSY;
return false;
}
+ #endif
- m_fd = open(name.c_str(), O_RDWR | O_NOCTTY | O_NDELAY);
+ m_socket = open(m_strName.c_str(), O_RDWR | O_NOCTTY | O_NDELAY);
- if (m_fd == -1)
+ if (m_socket == INVALID_SERIAL_SOCKET_VALUE)
{
- m_error = strerror(errno);
+ m_strError = strerror(errno);
+ RemoveLock(m_strName.c_str());
return false;
}
- fcntl(m_fd, F_SETFL, 0);
+ SocketSetBlocking(m_socket, false);
- if (!SetBaudRate(baudrate))
- {
+ if (!SetBaudRate(m_iBaudrate))
return false;
- }
m_options.c_cflag |= (CLOCAL | CREAD);
m_options.c_cflag &= ~HUPCL;
m_options.c_cflag &= ~CSIZE;
- if (databits == 5) m_options.c_cflag |= CS5;
- if (databits == 6) m_options.c_cflag |= CS6;
- if (databits == 7) m_options.c_cflag |= CS7;
- if (databits == 8) m_options.c_cflag |= CS8;
+ if (m_iDatabits == SERIAL_DATA_BITS_FIVE) m_options.c_cflag |= CS5;
+ if (m_iDatabits == SERIAL_DATA_BITS_SIX) m_options.c_cflag |= CS6;
+ if (m_iDatabits == SERIAL_DATA_BITS_SEVEN) m_options.c_cflag |= CS7;
+ if (m_iDatabits == SERIAL_DATA_BITS_EIGHT) m_options.c_cflag |= CS8;
m_options.c_cflag &= ~PARENB;
- if (parity == PAR_EVEN || parity == PAR_ODD)
+ if (m_iParity == SERIAL_PARITY_EVEN || m_iParity == SERIAL_PARITY_ODD)
m_options.c_cflag |= PARENB;
- if (parity == PAR_ODD)
+ if (m_iParity == SERIAL_PARITY_ODD)
m_options.c_cflag |= PARODD;
#ifdef CRTSCTS
m_options.c_cflag &= ~CNEW_RTSCTS;
#endif
- if (stopbits == 1) m_options.c_cflag &= ~CSTOPB;
+ if (m_iStopbits == SERIAL_STOP_BITS_ONE) m_options.c_cflag &= ~CSTOPB;
else m_options.c_cflag |= CSTOPB;
//I guessed a little here
m_options.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG | XCASE | ECHOK | ECHONL | ECHOCTL | ECHOPRT | ECHOKE | TOSTOP);
- if (parity == PAR_NONE)
- {
+ if (m_iParity == SERIAL_PARITY_NONE)
m_options.c_iflag &= ~INPCK;
- }
else
- {
m_options.c_iflag |= INPCK | ISTRIP;
- }
m_options.c_iflag &= ~(IXON | IXOFF | IXANY | BRKINT | INLCR | IGNCR | ICRNL | IUCLC | IMAXBEL);
m_options.c_oflag &= ~(OPOST | ONLCR | OCRNL);
- if (tcsetattr(m_fd, TCSANOW, &m_options) != 0)
+ if (tcsetattr(m_socket, TCSANOW, &m_options) != 0)
{
- m_error = strerror(errno);
+ m_strError = strerror(errno);
+ RemoveLock(m_strName.c_str());
return false;
}
- //non-blocking port
- fcntl(m_fd, F_SETFL, FNDELAY);
+ SocketSetBlocking(m_socket, true);
+ m_bIsOpen = true;
return true;
}
-void CSerialPort::Close()
-{
- CLockObject lock(m_mutex);
- if (m_fd != -1)
- {
- close(m_fd);
- m_fd = -1;
- m_name = "";
- m_error = "";
- }
-}
-
-bool CSerialPort::SetBaudRate(uint32_t baudrate)
+bool CSerialSocket::SetBaudRate(uint32_t baudrate)
{
int rate = IntToBaudrate(baudrate);
if (rate == -1)
{
char buff[255];
sprintf(buff, "%i is not a valid baudrate", baudrate);
- m_error = buff;
+ m_strError = buff;
return false;
}
-
+
//get the current port attributes
- if (tcgetattr(m_fd, &m_options) != 0)
+ if (tcgetattr(m_socket, &m_options) != 0)
{
- m_error = strerror(errno);
+ m_strError = strerror(errno);
return false;
}
if (cfsetispeed(&m_options, rate) != 0)
{
- m_error = strerror(errno);
+ m_strError = strerror(errno);
return false;
}
-
+
if (cfsetospeed(&m_options, rate) != 0)
{
- m_error = strerror(errno);
+ m_strError = strerror(errno);
return false;
}
return true;
}
-
-bool CSerialPort::IsOpen()
-{
- CLockObject lock(m_mutex);
- return m_fd != -1;
-}
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