* http://www.pulse-eight.net/
*/
-#include "../os.h"
+#include "env.h"
#include <stdio.h>
#include <fcntl.h>
-#include "../sockets/serialport.h"
-#include "../util/baudrate.h"
-#include "../posix/os-socket.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
+#include <lockdev.h>
#endif
+
using namespace std;
using namespace PLATFORM;
+inline bool RemoveLock(const char *strDeviceName)
+{
+ #if !defined(__APPLE__) && !defined(__FreeBSD__)
+ return dev_unlock(strDeviceName, 0) == 0;
+ #else
+ void *tmp = (void*)strDeviceName; // silence unused warning
+ tmp = NULL;
+ return true;
+ #endif
+}
+
void CSerialSocket::Close(void)
{
- SocketClose(m_socket);
+ if (IsOpen())
+ {
+ SocketClose(m_socket);
+ RemoveLock(m_strName.c_str());
+ }
}
void CSerialSocket::Shutdown(void)
{
- SocketClose(m_socket);
+ if (IsOpen())
+ {
+ SocketClose(m_socket);
+ RemoveLock(m_strName.c_str());
+ }
}
ssize_t CSerialSocket::Write(void* data, size_t len)
{
- return SocketWrite(m_socket, &m_iError, data, len);
+ return IsOpen() ? SocketWrite(m_socket, &m_iError, data, len) : -1;
}
ssize_t CSerialSocket::Read(void* data, size_t len, uint64_t iTimeoutMs /* = 0 */)
{
- return SocketRead(m_socket, &m_iError, data, len, iTimeoutMs);
+ return IsOpen() ? SocketRead(m_socket, &m_iError, data, len, iTimeoutMs) : -1;
}
//setting all this stuff up is a pain in the ass
bool CSerialSocket::Open(uint64_t iTimeoutMs /* = 0 */)
{
- iTimeoutMs = 0;
- CLockObject lock(m_mutex);
+ iTimeoutMs = 0; if (!iTimeoutMs){} // silence unused warning
+ if (IsOpen())
+ {
+ m_iError = EINVAL;
+ return false;
+ }
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)
{
m_strError = "Databits has to be between 5 and 8";
+ m_iError = EINVAL;
return false;
}
if (m_iStopbits != SERIAL_STOP_BITS_ONE && m_iStopbits != SERIAL_STOP_BITS_TWO)
{
m_strError = "Stopbits has to be 1 or 2";
+ m_iError = EINVAL;
return false;
}
if (m_iParity != SERIAL_PARITY_NONE && m_iParity != SERIAL_PARITY_EVEN && m_iParity != SERIAL_PARITY_ODD)
{
m_strError = "Parity has to be none, even or odd";
+ m_iError = EINVAL;
+ return false;
+ }
+
+ #if !defined(__APPLE__) && !defined(__FreeBSD__)
+ if (dev_lock(m_strName.c_str()) != 0)
+ {
+ m_strError = "Couldn't lock the serial port";
+ m_iError = EBUSY;
return false;
}
+ #endif
m_socket = open(m_strName.c_str(), O_RDWR | O_NOCTTY | O_NDELAY);
if (m_socket == INVALID_SERIAL_SOCKET_VALUE)
{
m_strError = strerror(errno);
+ RemoveLock(m_strName.c_str());
return false;
}
if (tcsetattr(m_socket, TCSANOW, &m_options) != 0)
{
m_strError = strerror(errno);
+ RemoveLock(m_strName.c_str());
return false;
}