diff options
Diffstat (limited to 'src/plugins/projectexplorer/devicesupport/desktopdevice.cpp')
| -rw-r--r-- | src/plugins/projectexplorer/devicesupport/desktopdevice.cpp | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/src/plugins/projectexplorer/devicesupport/desktopdevice.cpp b/src/plugins/projectexplorer/devicesupport/desktopdevice.cpp index dde4edce5d..7f243e8e43 100644 --- a/src/plugins/projectexplorer/devicesupport/desktopdevice.cpp +++ b/src/plugins/projectexplorer/devicesupport/desktopdevice.cpp @@ -37,11 +37,13 @@ #include <ssh/sshconnection.h> #include <utils/environment.h> +#include <utils/hostosinfo.h> #include <utils/portlist.h> #include <QCoreApplication> using namespace ProjectExplorer::Constants; +using namespace Utils; namespace ProjectExplorer { @@ -137,6 +139,104 @@ DeviceEnvironmentFetcher::Ptr DesktopDevice::environmentFetcher() const return DeviceEnvironmentFetcher::Ptr(new DesktopDeviceEnvironmentFetcher()); } +class DesktopPortsGatheringMethod : public PortsGatheringMethod +{ + Runnable runnable(QAbstractSocket::NetworkLayerProtocol protocol) const override + { + // We might encounter the situation that protocol is given IPv6 + // but the consumer of the free port information decides to open + // an IPv4(only) port. As a result the next IPv6 scan will + // report the port again as open (in IPv6 namespace), while the + // same port in IPv4 namespace might still be blocked, and + // re-use of this port fails. + // GDBserver behaves exactly like this. + + Q_UNUSED(protocol) + + StandardRunnable runnable; + if (HostOsInfo::isWindowsHost()) { + runnable.executable = "netstat"; + runnable.commandLineArguments = "-a -n"; + } else if (HostOsInfo::isLinuxHost()) { + runnable.executable = "/bin/sh"; + runnable.commandLineArguments = "-c 'cat /proc/net/tcp*'"; + } + return runnable; + } + + QList<Utils::Port> usedPorts(const QByteArray &output) const override + { + QList<Utils::Port> ports; + const QList<QByteArray> lines = output.split('\n'); + if (HostOsInfo::isWindowsHost()) { + // Expected output is something like + // + // Active Connections + // + // Proto Local Address Foreign Address State + // TCP 0.0.0.0:80 0.0.0.0:0 LISTENING + // TCP 0.0.0.0:113 0.0.0.0:0 LISTENING + // [...] + // TCP 10.9.78.4:14714 0.0.0.0:0 LISTENING + // TCP 10.9.78.4:50233 12.13.135.180:993 ESTABLISHED + for (const QByteArray &line : lines) { + const QByteArray trimmed = line.trimmed(); + if (!trimmed.startsWith("TCP")) + continue; + int colonPos = trimmed.indexOf(':'); + if (colonPos < 0) + continue; + int spacePos = trimmed.indexOf(':', colonPos + 1); + if (spacePos < 0) + continue; + bool ok; + int len = spacePos - colonPos - 1; + const Utils::Port port(line.mid(colonPos + 1, len).toInt(&ok, 16)); + if (ok) { + if (!ports.contains(port)) + ports << port; + } else { + qWarning("%s: Unexpected string '%s' is not a port.", + Q_FUNC_INFO, line.data()); + } + } + } else if (HostOsInfo::isLinuxHost()) { + // Expected outpit is something like + // + // sl local_address rem_address st tx_queue rx_queue tr tm->when retrnsmt ... + // 0: 00000000:2805 00000000:0000 0A 00000000:00000000 00:00000000 00000000 ... + // + for (const QByteArray &line : lines) { + int firstColonPos = line.indexOf(':'); + if (firstColonPos < 0) + continue; + int secondColonPos = line.indexOf(':', firstColonPos + 1); + if (secondColonPos < 0) + continue; + int spacePos = line.indexOf(':', secondColonPos + 1); + if (spacePos < 0) + continue; + bool ok; + int len = spacePos - secondColonPos - 1; + const Utils::Port port(line.mid(secondColonPos + 1, len).toInt(&ok, 16)); + if (ok) { + if (!ports.contains(port)) + ports << port; + } else { + qWarning("%s: Unexpected string '%s' is not a port.", + Q_FUNC_INFO, line.data()); + } + } + } + return ports; + } +}; + +PortsGatheringMethod::Ptr DesktopDevice::portsGatheringMethod() const +{ + return DesktopPortsGatheringMethod::Ptr(new DesktopPortsGatheringMethod); +} + QUrl DesktopDevice::toolControlChannel(const ControlChannelHint &) const { QUrl url; |