Examples with SafeProcess org.eclipse.kura.core.util.SafeProcess used on opensource projects

Example 1 with SafeProcess

use of org.eclipse.kura.core.util.SafeProcess in project kura by eclipse.

the class InstallImpl method installDp.

public void installDp(DeploymentPackageInstallOptions options, File dpFile) throws KuraException {
    SafeProcess proc = null;
    try {
        installDeploymentPackageInternal(dpFile);
        installCompleteAsync(options, dpFile.getName());
        s_logger.info("Install completed!");
        if (options.isReboot()) {
            Thread.sleep(options.getRebootDelay());
            proc = ProcessUtil.exec("reboot");
        }
    } catch (Exception e) {
        s_logger.info("Install failed!");
        installFailedAsync(options, dpFile.getName(), e);
    } finally {
        if (proc != null) {
            ProcessUtil.destroy(proc);
        }
    }
}

Example 2 with SafeProcess

use of org.eclipse.kura.core.util.SafeProcess in project kura by eclipse.

the class InstallImpl method installSh.

public void installSh(DeploymentPackageOptions options, File shFile) throws KuraException {
    updateInstallPersistance(shFile.getName(), options);
    // Script Exec
    SafeProcess proc = null;
    try {
        proc = ProcessUtil.exec("chmod 700 " + shFile.getCanonicalPath());
    } catch (IOException e) {
        throw new KuraException(KuraErrorCode.INTERNAL_ERROR);
    } finally {
        if (proc != null) {
            ProcessUtil.destroy(proc);
        }
    }
    SafeProcess proc2 = null;
    try {
        proc2 = ProcessUtil.exec(shFile.getCanonicalPath());
    } catch (IOException e) {
        throw new KuraException(KuraErrorCode.INTERNAL_ERROR);
    } finally {
        if (proc2 != null) {
            ProcessUtil.destroy(proc2);
        }
    }
}

Example 3 with SafeProcess

use of org.eclipse.kura.core.util.SafeProcess in project kura by eclipse.

the class IptablesConfig method save.

/*
     * Saves (using iptables-save) the current iptables config into /etc/sysconfig/iptables
     */
public static void save() throws KuraException {
    SafeProcess proc = null;
    BufferedReader br = null;
    PrintWriter out = null;
    try {
        int status = -1;
        proc = ProcessUtil.exec("iptables-save");
        status = proc.waitFor();
        if (status != 0) {
            s_logger.error("save() :: failed - {}", LinuxProcessUtil.getInputStreamAsString(proc.getErrorStream()));
            throw new KuraException(KuraErrorCode.INTERNAL_ERROR, "Failed to execute the iptable-save command");
        }
        String line = null;
        br = new BufferedReader(new InputStreamReader(proc.getInputStream()));
        out = new PrintWriter(FIREWALL_CONFIG_FILE_NAME);
        while ((line = br.readLine()) != null) {
            out.println(line);
        }
        s_logger.debug("iptablesSave() :: completed!, status={}", status);
    } catch (Exception e) {
        throw new KuraException(KuraErrorCode.INTERNAL_ERROR, e);
    } finally {
        if (out != null) {
            out.flush();
            out.close();
        }
        if (br != null) {
            try {
                br.close();
            } catch (IOException e) {
                s_logger.error("iptablesSave() :: failed to close BufferedReader - {}", e);
            }
        }
        if (proc != null) {
            ProcessUtil.destroy(proc);
        }
    }
}

Example 4 with SafeProcess

use of org.eclipse.kura.core.util.SafeProcess in project kura by eclipse.

the class LinuxNetworkUtil method getWifiBitrate.

/*
     * Returns 0 if the interface is not found or on error
     */
public static long getWifiBitrate(String ifaceName) throws KuraException {
    long bitRate = 0;
    // ignore logical interfaces like "1-1.2"
    if (Character.isDigit(ifaceName.charAt(0))) {
        return bitRate;
    }
    SafeProcess proc = null;
    BufferedReader br = null;
    String line = null;
    try {
        if (toolExists("iw")) {
            // start the process
            proc = ProcessUtil.exec("iw dev " + ifaceName + " link");
            if (proc.waitFor() != 0) {
                s_logger.warn("error executing command --- iw --- exit value = {}", proc.exitValue());
                // FIXME: why don't we fallback to iwconfig like in the case of getWifiMode()?
                return bitRate;
            } else {
                // get the output
                br = new BufferedReader(new InputStreamReader(proc.getInputStream()));
                line = null;
                while ((line = br.readLine()) != null) {
                    int index = line.indexOf("tx bitrate: ");
                    if (index > -1) {
                        s_logger.debug("line: " + line);
                        StringTokenizer st = new StringTokenizer(line.substring(index));
                        // skip 'tx'
                        st.nextToken();
                        // skip 'bitrate:'
                        st.nextToken();
                        Double rate = Double.parseDouble(st.nextToken());
                        int mult = 1;
                        String unit = st.nextToken();
                        if (unit.startsWith("kb")) {
                            mult = 1000;
                        } else if (unit.startsWith("Mb")) {
                            mult = 1000000;
                        } else if (unit.startsWith("Gb")) {
                            mult = 1000000000;
                        }
                        bitRate = (long) (rate * mult);
                        return bitRate;
                    }
                }
            }
        } else if (toolExists("iwconfig")) {
            // start the process
            proc = ProcessUtil.exec("iwconfig " + ifaceName);
            if (proc.waitFor() != 0) {
                s_logger.warn("error executing command --- iwconfig --- exit value = {}", proc.exitValue());
                // FIXME: throw exception
                return bitRate;
            }
            // get the output
            br = new BufferedReader(new InputStreamReader(proc.getInputStream()));
            line = null;
            while ((line = br.readLine()) != null) {
                int index = line.indexOf("Bit Rate=");
                if (index > -1) {
                    s_logger.debug("line: {}", line);
                    StringTokenizer st = new StringTokenizer(line.substring(index));
                    // skip 'Bit'
                    st.nextToken();
                    Double rate = Double.parseDouble(st.nextToken().substring(5));
                    int mult = 1;
                    String unit = st.nextToken();
                    if (unit.startsWith("kb")) {
                        mult = 1000;
                    } else if (unit.startsWith("Mb")) {
                        mult = 1000000;
                    } else if (unit.startsWith("Gb")) {
                        mult = 1000000000;
                    }
                    bitRate = (long) (rate * mult);
                    return bitRate;
                }
            }
        }
    } catch (IOException e) {
        throw new KuraException(KuraErrorCode.INTERNAL_ERROR, e);
    } catch (InterruptedException e) {
        throw new KuraException(KuraErrorCode.INTERNAL_ERROR, e);
    } finally {
        if (br != null) {
            try {
                br.close();
            } catch (IOException ex) {
                s_logger.error("I/O Exception while closing BufferedReader!");
            }
        }
        if (proc != null) {
            ProcessUtil.destroy(proc);
        }
    }
    return bitRate;
}

Example 5 with SafeProcess

use of org.eclipse.kura.core.util.SafeProcess in project kura by eclipse.

the class LinuxNetworkUtil method isKernelModuleLoaded.

public static boolean isKernelModuleLoaded(String interfaceName, WifiMode wifiMode) throws KuraException {
    boolean result = false;
    if (KuraConstants.ReliaGATE_10_05.getTargetName().equals(TARGET_NAME) && "wlan0".equals(interfaceName)) {
        SafeProcess proc = null;
        BufferedReader br = null;
        String cmd = "lsmod";
        try {
            s_logger.debug("Executing '{}'", cmd);
            proc = ProcessUtil.exec(cmd);
            if (proc.waitFor() != 0) {
                throw new KuraException(KuraErrorCode.OS_COMMAND_ERROR, cmd, proc.exitValue());
            }
            // get the output
            br = new BufferedReader(new InputStreamReader(proc.getInputStream()));
            String line = null;
            while ((line = br.readLine()) != null) {
                if (line.contains("bcmdhd")) {
                    result = true;
                    break;
                }
            }
        } catch (IOException e) {
            throw new KuraException(KuraErrorCode.INTERNAL_ERROR, e, "'" + cmd + "' failed");
        } catch (InterruptedException e) {
            throw new KuraException(KuraErrorCode.INTERNAL_ERROR, e, "'" + cmd + "' interrupted");
        } finally {
            if (br != null) {
                try {
                    br.close();
                } catch (IOException e) {
                    s_logger.warn("Failed to close process input stream", e);
                }
            }
            if (proc != null) {
                proc.destroy();
            }
        }
    }
    return result;
}