static ssize_t spy_ai_send(struct addrinfo *ai, struct seq_file const *m)
{
struct addrinfo hints;
struct addrinfo *result, *rp;
ssize_t len = -1;
char from[128];
char to[128];
int fd;
int tos;
int s;
memset(&hints, 0, sizeof(struct addrinfo));
hints.ai_family = ai->ai_family;
hints.ai_socktype = ai->ai_socktype;
hints.ai_flags = AI_PASSIVE;
s = getaddrinfo(NULL, "syslog", &hints, &result);
if (s != 0)
fatal("getaddrinfo: %s\n", gai_strerror(s));
for (rp = result; rp != NULL; rp = rp->ai_next) {
if ((fd = socket(rp->ai_family, rp->ai_socktype,
rp->ai_protocol)) < 0)
fatal("%s(%s) %m", "socket",
ai_print(rp, from, sizeof(from)));
if (setcloseonexec(fd) < 0)
fatal("%s(%s) %m", "setcloseonexec",
ai_print(rp, from, sizeof(from)));
tos = (VOIP_DSCP << 2);
setsockopt(fd, SOL_IP, IP_TOS, &tos, sizeof(tos));
if (bind(fd, rp->ai_addr, rp->ai_addrlen) < 0)
fatal("%s(%s) %m", "bind",
ai_print(rp, from, sizeof(from)));
len = sendto(fd, seq_c_str(m), seq_length(m), 0, ai->ai_addr,
ai->ai_addrlen);
dbg("%s > %s: %s",
ai_print(rp, from, sizeof(from)),
ai_print(ai, to, sizeof(to)), seq_c_str(m));
if (len <= 0) {
warn("%s(%s -> %s) %m", "sendto",
ai_print(rp, from, sizeof(from)),
ai_print(ai, to, sizeof(to)));
close(fd);
continue;
}
close(fd);
break;
}
freeaddrinfo(result);
return len;
}
int tcpserver::init(int listenport)
{
listenfd_ = ::socket(AF_INET, SOCK_STREAM, 0);
if (listenfd_ == -1) abort();
int opt = 1;
::setsockopt(listenfd_, SOL_SOCKET, SO_REUSEADDR, (const char*)&opt, sizeof(opt));
setnonblock(listenfd_);
setcloseonexec(listenfd_);
struct sockaddr_in addr;
memset( &addr , 0,sizeof(addr) );
addr.sin_family = AF_INET;
addr.sin_port = htons(listenport);
addr.sin_addr.s_addr = htonl(INADDR_ANY);
if ( 0 != ::bind( listenfd_ , (struct sockaddr *)&addr , sizeof(addr) ) ) abort();
if( 0 != ::listen( listenfd_, 1000000 ) ) abort();
if (!evloop_->addlistenfd(listenfd_,this)) abort();
return 0;
}
tcpserver::tcpserver(event_loop* eloop):listenfd_(-1),evloop_(eloop)
{
idlefd_ = ::open("/dev/null", O_RDONLY);
setcloseonexec(idlefd_);
}
