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allow setting the port to listen on via cmdline argument

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This commit is contained in:
Grant Limberg 2024-05-09 12:21:51 -07:00
parent aed3afdd2e
commit 219133a2c8
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GPG Key ID: 8F2F97D3BE8D7735
1 changed files with 11 additions and 1 deletions
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12
tcp-proxy/tcp-proxy.cpp
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@ -321,11 +321,21 @@ int main(int argc,char **argv)
svc.phy = &phy; svc.phy = &phy;
svc.udpPortCounter = 1023; svc.udpPortCounter = 1023;
uint16_t listenPort = ZT_TCP_PROXY_TCP_PORT;
if (argc > 1) {
listenPort = (uint16_t)atoi(argv[1]);
}
if (listenPort == 0) {
fprintf(stderr,"%s: fatal error: invalid port number\n",argv[0]);
return 1;
}
{ {
struct sockaddr_in laddr; struct sockaddr_in laddr;
memset(&laddr,0,sizeof(laddr)); memset(&laddr,0,sizeof(laddr));
laddr.sin_family = AF_INET; laddr.sin_family = AF_INET;
laddr.sin_port = htons(ZT_TCP_PROXY_TCP_PORT); laddr.sin_port = htons(listenPort);
if (!phy.tcpListen((const struct sockaddr *)&laddr)) { if (!phy.tcpListen((const struct sockaddr *)&laddr)) {
fprintf(stderr,"%s: fatal error: unable to bind TCP port %d\n",argv[0],ZT_TCP_PROXY_TCP_PORT); fprintf(stderr,"%s: fatal error: unable to bind TCP port %d\n",argv[0],ZT_TCP_PROXY_TCP_PORT);
return 1; return 1;