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OSX compatibility posix for NetworkToolkit

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brunoherbelin
2020-10-26 21:40:21 +01:00
parent a4621f31e3
commit 7f2c3d531c
4 changed files with 57 additions and 33 deletions
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85
NetworkToolkit.cpp
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@@ -7,6 +7,7 @@
#include <sys/types.h>
#include <arpa/inet.h>
#include <net/if.h>
#include <netdb.h>
#ifdef linux
#include <linux/netdevice.h>
@@ -86,47 +87,67 @@ const std::vector<std::string> NetworkToolkit::protocol_receive_pipeline {
"tcpclientsrc timeout=1 port=XXXX ! queue max-size-buffers=3 ! application/x-rtp-stream,media=video,encoding-name=H264,payload=96,clock-rate=90000 ! rtpstreamdepay ! rtph264depay ! avdec_h264"
};
std::vector<std::string> ipstrings;
std::vector<unsigned long> iplongs;
std::vector<std::string> NetworkToolkit::host_ips()
void add_interface(int fd, const char *name) {
struct ifreq ifreq;
char host[128];
memset(&ifreq, 0, sizeof ifreq);
strncpy(ifreq.ifr_name, name, IFNAMSIZ);
if(ioctl(fd, SIOCGIFADDR, &ifreq)==0) {
int family;
switch(family=ifreq.ifr_addr.sa_family) {
case AF_INET:
case AF_INET6:
getnameinfo(&ifreq.ifr_addr, sizeof ifreq.ifr_addr, host, sizeof host, 0, 0, NI_NUMERICHOST);
break;
default:
case AF_UNSPEC:
return; /* ignore */
}
// add only if not already listed
if ( std::find(ipstrings.begin(), ipstrings.end(), std::string(host)) == ipstrings.end() )
{
ipstrings.push_back( std::string(host) );
iplongs.push_back( GetHostByName(host) );
// printf("%-24s%s %lu\n", name, host, GetHostByName(host));
}
}
}
void list_interfaces()
{
// fill the list of IPs only once
if (ipstrings.empty()) {
// fprintf(stderr, "List of ips: \n" );
int s = socket(AF_INET, SOCK_STREAM, 0);
if (s > -1) {
struct ifconf ifconf;
struct ifreq ifr[50];
int ifs;
int i;
ifconf.ifc_buf = (char *) ifr;
struct ifreq *ifreq;
struct ifconf ifconf;
char buf[16384];
int fd=socket(PF_INET, SOCK_DGRAM, 0);
if(fd > -1) {
ifconf.ifc_len=sizeof buf;
ifconf.ifc_buf=buf;
if(ioctl(fd, SIOCGIFCONF, &ifconf)==0) {
ifreq=ifconf.ifc_req;
for(int i=0;i<ifconf.ifc_len;) {
size_t len;
#ifndef linux
ifconf.ifc_len = IFNAMSIZ + ifr->ifr_addr.sa_len;
len=IFNAMSIZ + ifreq->ifr_addr.sa_len;
#else
ifconf.ifc_len = sizeof ifr;
len=sizeof *ifreq;
#endif
if (ioctl(s, SIOCGIFCONF, &ifconf) > -1) {
ifs = ifconf.ifc_len / sizeof(ifr[0]);
for (i = 0; i < ifs; i++) {
char ip[INET_ADDRSTRLEN];
struct sockaddr_in *s_in = (struct sockaddr_in *) &ifr[i].ifr_addr;
if (inet_ntop(AF_INET, &s_in->sin_addr, ip, sizeof(ip))) {
ipstrings.push_back( std::string(ip) );
iplongs.push_back( GetHostByName(ip) );
// fprintf(stderr, "%s %lu", ip, GetHostByName(ip) );
}
}
close(s);
add_interface(fd, ifreq->ifr_name);
ifreq=(struct ifreq*)((char*)ifreq+len);
i+=len;
}
}
}
close(fd);
}
std::vector<std::string> NetworkToolkit::host_ips()
{
if (ipstrings.empty())
list_interfaces();
return ipstrings;
}
@@ -137,7 +158,7 @@ bool NetworkToolkit::is_host_ip(const std::string &ip)
return true;
if (ipstrings.empty())
host_ips();
list_interfaces();
return std::find(ipstrings.begin(), ipstrings.end(), ip) != ipstrings.end();
}
@@ -147,7 +168,7 @@ std::string NetworkToolkit::closest_host_ip(const std::string &ip)
std::string address = "localhost";
if (iplongs.empty())
host_ips();
list_interfaces();
// discard trivial case
if ( ip.compare("localhost") != 0)