79 lines
2.4 KiB
C++
79 lines
2.4 KiB
C++
#include <QAbstractSocket>
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#include <QHostAddress>
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#include <QTextStream>
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#include <QHostInfo>
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#include <QList>
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#include "Ping.h"
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extern "C" {
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#include "oping.h"
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}
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double Ping::ping(const QString &host, int tries, double timeout)
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{
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double latency;
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pingobj_t *pingObj;
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pingobj_iter_t *pingIter;
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if ((pingObj = ping_construct()) == NULL) {
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QTextStream(stderr) << "Ping construction failed " << endl;
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return -1;
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}
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if (ping_setopt(pingObj, PING_OPT_TIMEOUT, (void*)(&timeout)) < 0) {
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QTextStream(stderr) << "Setting timeout to" << timeout << " have failed" << endl;
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ping_destroy(pingObj);
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return -1;
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}
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QHostAddress hostAddress(host);
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if (QAbstractSocket::IPv4Protocol == hostAddress.protocol()) {
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if (ping_host_add(pingObj, hostAddress.toString().toStdString().c_str()) < 0) {
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ping_destroy(pingObj);
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return -1;
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}
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}
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else if (QAbstractSocket::IPv6Protocol == hostAddress.protocol()) {
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if (ping_host_add(pingObj, hostAddress.toString().toStdString().c_str()) < 0) {
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ping_destroy(pingObj);
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return -1;
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}
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}
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else {
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QList<QHostAddress> hostAddresses = QHostInfo::fromName(host).addresses();
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if (hostAddresses.length() >= 1) {
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QString ipStr = hostAddresses.at(0).toString();
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if (ping_host_add(pingObj, ipStr.toStdString().c_str()) < 0) {
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ping_destroy(pingObj);
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return -1;
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}
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}
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else {
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ping_destroy(pingObj);
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return -1;
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}
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}
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bool hostUp = false;
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int curTry = 0;
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while (!hostUp && curTry != tries) {
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if (ping_send(pingObj) < 0) {
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QTextStream(stderr) << "Pinging host " << host << " has failed" << endl;
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ping_destroy(pingObj);
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return -1;
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}
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bool pingSuccess = false;
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for (pingIter = ping_iterator_get(pingObj); pingIter != NULL; pingIter =
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ping_iterator_next(pingIter)) {
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size_t len;
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len = sizeof(double);
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ping_iterator_get_info(pingIter, PING_INFO_LATENCY, &latency, &len);
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pingSuccess = !(latency < 0);
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}
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if (pingSuccess) {
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hostUp = true;
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}
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curTry++;
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}
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ping_destroy(pingObj);
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if (hostUp)
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return latency;
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return -1;
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}
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