/** Append an interface info.
* @param type type of the interface
* @param id id of the interface
* @param hash version hash
* @param has_writer true if there is a writer, false otherwise
* @param num_readers number of readers
* @param serial instance serial
* @param readers name of readers of interface
* @param writer name of writer of interface
* @param timestamp interface timestamp (time of last write or data timestamp)
*/
void
InterfaceInfoList::append(const char *type, const char *id, const unsigned char *hash,
unsigned int serial, bool has_writer, unsigned int num_readers,
const std::list<std::string> &readers, const std::string &writer,
const Time ×tamp)
{
push_back(InterfaceInfo(type, id, hash, serial, has_writer, num_readers, readers, writer, ×tamp));
}
bool updateSystemInfoP( struct SystemInfo &si )
{
char line[ 512 ];
FILE *af;
uint32 cpu;
uint64 jiffyUser, jiffyNice, jiffySyst, jiffyIdle;
uint64 jiffyIOwait, jiffyIRQ, jiffySoftIRQ;
if ((af = fopen( "/proc/stat", "r" )) == NULL)
{
syslog( LOG_ERR, "Couldn't read /proc/stat: %s", strerror( errno ) );
return false;
}
fgets( line, sizeof( line ), af );
uint64 totalWork, totalIdle;
uint64 systemIOwait = 0;
uint64 systemTotalWork = 0;
for (uint i=0; i < si.nCpus; i++)
{
fgets( line, sizeof( line ), af );
if (hasExtendedStats)
{
if (sscanf( line, "cpu%u "PRIu64" "PRIu64" "PRIu64" "PRIu64" "PRIu64" "PRIu64" "PRIu64"",
&cpu, &jiffyUser, &jiffyNice, &jiffySyst, &jiffyIdle,
&jiffyIOwait, &jiffyIRQ, &jiffySoftIRQ) != 8)
{
syslog( LOG_ERR, "Invalid line in /proc/stat: '%s'", line );
break;
}
}
else
{
if (sscanf( line, "cpu%u "PRIu64" "PRIu64" "PRIu64" "PRIu64,
&cpu, &jiffyUser, &jiffyNice, &jiffySyst, &jiffyIdle) != 5)
{
syslog( LOG_ERR, "Invalid line in /proc/stat: '%s'", line );
break;
}
}
if (cpu != i)
{
syslog( LOG_CRIT, "Line %d of /proc/stat was cpu%u, not cpu%d",
i, cpu, i );
}
totalWork = jiffyUser + jiffyNice + jiffySyst;
totalIdle = jiffyIdle;
if (hasExtendedStats)
{
totalIdle += jiffyIOwait + jiffyIRQ + jiffySoftIRQ;
}
si.cpu[i].val.update( totalWork );
si.cpu[i].max.update( totalWork + totalIdle );
systemIOwait += jiffyIOwait;
systemTotalWork += totalWork + totalIdle;
}
si.iowait.val.update( systemIOwait );
si.iowait.max.update( systemTotalWork );
fclose(af);
if ((af = fopen( "/proc/meminfo", "r" )) == NULL)
{
syslog( LOG_ERR, "Couldn't read /proc/meminfo: %s", strerror( errno ) );
return false;
}
unsigned long totalmem, freemem, bufmem, cachemem, slabmem;
for (int i=0; i < 5 && fgets( line, sizeof( line ), af) != NULL;)
{
if (sscanf( line, "MemTotal: %lu", &totalmem ) == 1)
{
i++; continue;
}
if (sscanf( line, "MemFree: %lu", &freemem ) == 1)
{
i++; continue;
}
if (sscanf( line, "Buffers: %lu", &bufmem ) == 1)
{
i++; continue;
}
if (sscanf( line, "Cached: %lu", &cachemem ) == 1)
{
i++; continue;
}
if (sscanf( line, "Slab: %lu", &slabmem ) == 1)
{
i++; continue;
}
}
fclose( af );
si.mem.max.update( uint64( totalmem ) << 10 );
si.mem.val.update(
uint64( totalmem - freemem - bufmem - cachemem - slabmem ) << 10 );
if ((af = fopen( "/proc/net/snmp", "r" )) == NULL)
{
syslog( LOG_ERR, "Couldn't read /proc/net/snmp: %s", strerror( errno ) );
return false;
}
fgets( line, sizeof( line ), af );
if (fscanf( af,"%*s %*d %*d %*d %*d %*d %*d %*d "PRIu64" "PRIu64" "PRIu64" "PRIu64,
&si.packDropIn.next(), &si.packTotIn.next(),
&si.packTotOut.next(), &si.packDropOut.next() ) != 4)
{
syslog( LOG_ERR, "Failed to read packet loss information from "
"/proc/net/snmp" );
}
fclose( af );
if ((af = fopen( "/proc/net/dev", "r" )) == NULL)
{
syslog( LOG_ERR, "Couldn't open /proc/net/dev: %s", strerror( errno ) );
return false;
}
fgets( line, sizeof( line ), af ); fgets( line, sizeof( line ), af );
for (unsigned int i=0; fgets( line, sizeof( line ), af ) != NULL; )
{
if (i >= si.ifInfo.size())
si.ifInfo.push_back( InterfaceInfo() );
struct InterfaceInfo &ifInfo = si.ifInfo[i];
char ifname[32];
sscanf( line, " %[^:]", ifname );
if (strstr( ifname, "lo" ) == NULL)
{
ifInfo.name = ifname;
sscanf( line,
" %*[^:]:"PRIu64" "PRIu64" %*d %*d %*d %*d %*d %*d "
PRIu64" "PRIu64,
&ifInfo.bitsTotIn.next(),
&ifInfo.packTotIn.next(),
&ifInfo.bitsTotOut.next(),
&ifInfo.packTotOut.next() );
ifInfo.bitsTotIn.cur() *= 8;
ifInfo.bitsTotOut.cur() *= 8;
i++;
}
}
fclose( af );
return true;
}
QList<SerialPortId> enumerateSerialPorts(int loglevel)
{
QList<QString> eligibleInterfaces;
QList<InterfaceInfo> eligibleInterfacesInfo;
QList<SerialPortId> list;
usb_init();
usb_find_busses();
usb_find_devices();
for (struct usb_bus *bus = usb_get_busses(); bus; bus = bus->next) {
for (struct usb_device *device = bus->devices; device; device = device->next) {
for (int n = 0; n < device->descriptor.bNumConfigurations; ++n) {
struct usb_config_descriptor &usbConfig =device->config[n];
QList<int> usableInterfaces;
for (int m = 0; m < usbConfig.bNumInterfaces; ++m) {
for (int o = 0; o < usbConfig.interface[m].num_altsetting; ++o) {
struct usb_interface_descriptor &descriptor = usbConfig.interface[m].altsetting[o];
if (descriptor.bInterfaceClass != 2 // "Communication"
|| descriptor.bInterfaceSubClass != 2 // Abstract (modem)
|| descriptor.bInterfaceProtocol != 255) // Vendor Specific
continue;
unsigned char *buf = descriptor.extra;
unsigned int size = descriptor.extralen;
while (size >= 2 * sizeof(u_int8_t)) {
// for Communication devices there is a slave interface for the actual
// data transmission.
// the extra info stores that as a index for the interface
if (buf[0] >= 5 && buf[1] == 36 && buf[2] == 6) { // CDC Union
for (int i = 4; i < buf[0]; i++)
usableInterfaces.append((int) buf[i]);
}
size -= buf[0];
buf += buf[0];
}
}
}
if (usableInterfaces.isEmpty())
continue;
QString manufacturerString;
QString productString;
usb_dev_handle *devh = usb_open(device);
if (devh) {
QByteArray buf;
buf.resize(256);
int err = usb_get_string_simple(devh, device->descriptor.iManufacturer, buf.data(), buf.size());
if (err < 0) {
if (loglevel > 1)
qDebug() << " can't read manufacturer name, error:" << err;
} else {
manufacturerString = QString::fromAscii(buf);
if (loglevel > 1)
qDebug() << " manufacturer:" << manufacturerString;
}
buf.resize(256);
err = usb_get_string_simple(devh, device->descriptor.iProduct, buf.data(), buf.size());
if (err < 0) {
if (loglevel > 1)
qDebug() << " can't read product name, error:" << err;
} else {
productString = QString::fromAscii(buf);
if (loglevel > 1)
qDebug() << " product:" << productString;
}
usb_close(devh);
} else if (loglevel > 0) {
qDebug() << " can't open usb device";
}
// second loop to find the actual data interface.
foreach (int i, usableInterfaces) {
for (int m = 0; m < usbConfig.bNumInterfaces; ++m) {
for (int o = 0; o < usbConfig.interface[m].num_altsetting; ++o) {
struct usb_interface_descriptor &descriptor = usbConfig.interface[m].altsetting[o];
if (descriptor.bInterfaceNumber != i)
continue;
if (descriptor.bInterfaceClass == 10) { // "CDC Data"
if (loglevel > 1) {
qDebug() << " found the data port"
<< "bus:" << bus->dirname
<< "device" << device->filename
<< "interface" << descriptor.bInterfaceNumber;
}
// ### manufacturer and product strings are only readable as root :(
if (!manufacturerString.isEmpty() && !productString.isEmpty()) {
eligibleInterfaces << QString("usb-%1_%2-if%3")
.arg(manufacturerString.replace(QChar(' '), QChar('_')))
.arg(productString.replace(QChar(' '), QChar('_')))
.arg(i, 2, 16, QChar('0'));
} else {
eligibleInterfaces << QString("if%1").arg(i, 2, 16, QChar('0')); // fix!
}
eligibleInterfacesInfo << InterfaceInfo(manufacturerString, productString, device->descriptor.idVendor, device->descriptor.idProduct);
}
}
}
}
}
}
}
if (loglevel > 1)
qDebug() << " searching for interfaces:" << eligibleInterfaces;
QDir dir("/dev/serial/by-id/");
foreach (const QFileInfo &info, dir.entryInfoList()) {
if (!info.isDir()) {
bool usable = eligibleInterfaces.isEmpty();
foreach (const QString &iface, eligibleInterfaces) {
if (info.fileName().contains(iface)) {
if (loglevel > 1)
qDebug() << " found device file:" << info.fileName() << endl;
usable = true;
break;
}
}
if (!usable)
continue;
SerialPortId id;
id.friendlyName = info.fileName();
id.portName = info.canonicalFilePath();
list << id;
}
}
/** Append an interface info.
* @param type type of the interface
* @param id id of the interface
* @param hash version hash
* @param has_writer true if there is a writer, false otherwise
* @param num_readers number of readers
* @param serial instance serial
*/
void
InterfaceInfoList::append(const char *type, const char *id, const unsigned char *hash,
unsigned int serial, bool has_writer, unsigned int num_readers)
{
push_back(InterfaceInfo(type, id, hash, serial, has_writer, num_readers));
}
QList<SerialPortId> enumerateSerialPorts(int loglevel)
{
QList<QString> eligibleInterfaces;
QList<InterfaceInfo> eligibleInterfacesInfo;
QList<SerialPortId> list;
usb_init();
usb_find_busses();
usb_find_devices();
for (struct usb_bus *bus = usb_get_busses(); bus; bus = bus->next) {
for (struct usb_device *device = bus->devices; device; device = device->next) {
for (int n = 0; n < device->descriptor.bNumConfigurations && device->config; ++n) {
struct usb_config_descriptor &usbConfig =device->config[n];
QList<int> usableInterfaces;
for (int m = 0; m < usbConfig.bNumInterfaces; ++m) {
for (int o = 0; o < usbConfig.interface[m].num_altsetting; ++o) {
struct usb_interface_descriptor &descriptor = usbConfig.interface[m].altsetting[o];
if (descriptor.bInterfaceClass != 2 // "Communication"
|| descriptor.bInterfaceSubClass != 2 // Abstract (modem)
|| descriptor.bInterfaceProtocol != 255) // Vendor Specific
continue;
unsigned char *buf = descriptor.extra;
unsigned int size = descriptor.extralen;
while (size >= 2 * sizeof(u_int8_t)) {
// for Communication devices there is a slave interface for the actual
// data transmission.
// the extra info stores that as a index for the interface
if (buf[0] >= 5 && buf[1] == 36 && buf[2] == 6) { // CDC Union
for (int i = 3; i < buf[0]; i++)
usableInterfaces.append((int) buf[i]);
}
size -= buf[0];
buf += buf[0];
}
}
}
if (usableInterfaces.isEmpty())
continue;
QString manufacturerString;
QString productString;
usb_dev_handle *devh = usb_open(device);
if (devh) {
QByteArray buf;
buf.resize(256);
int err = usb_get_string_simple(devh, device->descriptor.iManufacturer, buf.data(), buf.size());
if (err < 0) {
if (loglevel > 1)
qDebug() << " can't read manufacturer name, error:" << err;
} else {
manufacturerString = QString::fromAscii(buf);
if (loglevel > 1)
qDebug() << " manufacturer:" << manufacturerString;
}
buf.resize(256);
err = usb_get_string_simple(devh, device->descriptor.iProduct, buf.data(), buf.size());
if (err < 0) {
if (loglevel > 1)
qDebug() << " can't read product name, error:" << err;
} else {
productString = QString::fromAscii(buf);
if (loglevel > 1)
qDebug() << " product:" << productString;
}
usb_close(devh);
} else if (loglevel > 0) {
qDebug() << " can't open usb device";
}
// second loop to find the actual data interface.
foreach (int i, usableInterfaces) {
#ifdef Q_OS_MAC
eligibleInterfaces << QString("^cu\\.usbmodem.*%1$")
.arg(QString("%1").arg(i, 1, 16).toUpper());
eligibleInterfacesInfo << InterfaceInfo(manufacturerString, productString, device->descriptor.idVendor, device->descriptor.idProduct);
#else
// ### manufacturer and product strings are only readable as root :(
if (!manufacturerString.isEmpty() && !productString.isEmpty()) {
eligibleInterfaces << QString("usb-%1_%2-if%3")
.arg(manufacturerString.replace(QChar(' '), QChar('_')))
.arg(productString.replace(QChar(' '), QChar('_')))
.arg(i, 2, 16, QChar('0'));
} else {
eligibleInterfaces << QString("if%1").arg(i, 2, 16, QChar('0')); // fix!
}
#endif
}
#ifndef Q_OS_MAC
// On mac, we need a 1-1 mapping between eligibleInterfaces and eligibleInterfacesInfo
// in order to find the friendly name for an interface
eligibleInterfacesInfo << InterfaceInfo(manufacturerString, productString, device->descriptor.idVendor, device->descriptor.idProduct);
#endif
}
}
}
