int
main(int argc, char* argv[]) {
int s;
uint16 port = 2342;
uint32 scope_id = 0;
char ip[16];
char buf[8192];
int i;
struct pollfd p[2];
if(argc < 3) {
usage:
__write2("usage: client ip port\n\nexample: dump -0 -f - | client 10.0.0.149 8000\n");
return 0;
}
if(argv[1][i = scan_ip6if(argv[1], ip, &scope_id)]) {
__write2("client: error: invalid ip address!\n");
goto usage;
}
if(argv[2][scan_ushort(argv[2], &port)]) {
__write2("client: error: invalid port number!\n");
goto usage;
}
if(byte_equal(ip, 12, V4mappedprefix)) {
s = socket_tcp4b();
if(s == -1)
panic("client: error: socket() failed");
if(socket_connect4(s, ip + 12, port) == -1)
panic("client: error: connect() failed");
} else {
s = socket_tcp6b();
if(s == -1)
panic("client: error: socket() failed");
if(socket_connect6(s, ip, port, scope_id) == -1)
panic("client: error: connect() failed");
}
ndelay_off(s);
p[0].fd = 0;
p[0].events = POLLIN;
p[1].fd = s;
p[1].events = POLLIN;
while(poll(p, 2, 5000)) {
if(p[0].revents) {
int j;
if(p[0].revents & POLLERR)
panic("client: error: poll() signals POLLERR\n");
i = read(0, buf, sizeof(buf));
if(i == 0) {
shutdown(s, SHUT_WR);
blockingcopy(s, 1);
}
for(j = 0; j < i;) {
int k = write(s, buf + j, i - j);
if(k == -1)
panic("client: error: write() failed");
if(k == 0)
panic("client: error: short write!\n");
j += k;
}
}
if(p[1].revents) {
int j;
if(p[1].revents & POLLERR)
panic("client: error: poll() signals POLLERR\n");
i = read(s, buf, sizeof(buf));
if(i == 0) {
shutdown(1, SHUT_WR);
blockingcopy(0, s);
}
for(j = 0; j < i;) {
int k = write(1, buf + j, i - j);
if(k == -1)
panic("client: error: write() failed");
if(k == 0)
panic("client: error: short write!\n");
j += k;
}
}
}
return 0;
}
int main(int argc,char* argv[]) {
int s,t;
uint16 port=2342;
uint32 scope_id=0;
char ip[16];
char buf[8192];
int i;
struct pollfd p[2];
if (argc<3) {
usage:
__write2("usage: server ip port\n\nexample: server 0 8000 | restore x -f -\n");
return 0;
}
if (!strcmp(argv[1],"0"))
byte_zero(ip,16);
else
if (argv[1][i=scan_ip6if(argv[1],ip,&scope_id)]) {
__write2("server: error: invalid ip address!\n");
goto usage;
}
if (argv[2][scan_ushort(argv[2],&port)]) {
__write2("server: error: invalid port number!\n");
goto usage;
}
if (byte_equal(ip,12,V4mappedprefix)) {
s=socket_tcp4b();
if (s==-1) panic("server: error: socket() failed");
if (socket_bind4_reuse(s,ip+12,port)==-1) panic("server: error: bind() failed");
if (socket_listen(s,1)==-1) panic("server: error: listen() failed");
ndelay_off(s);
if ((t=socket_accept4(s,0,0))==-1) panic("server: error: accept() failed");
} else {
s=socket_tcp6b();
if (s==-1) panic("server: error: socket() failed");
if (socket_bind6_reuse(s,ip,port,scope_id)==-1) panic("server: error: bind() failed");
if (socket_listen(s,1)==-1) panic("server: error: listen() failed");
ndelay_off(s);
if ((t=socket_accept6(s,0,0,0))==-1) panic("server: error: accept() failed");
}
close(s);
p[0].fd=0; p[0].events=POLLIN;
p[1].fd=t; p[1].events=POLLIN;
while (poll(p,2,5000)) {
if (p[0].revents) {
int j;
if (p[0].revents&POLLERR)
panic("server: error: poll() signals POLLERR\n");
i=read(0,buf,sizeof(buf));
if (i==0) { shutdown(t,SHUT_WR); blockingcopy(t,1); }
for (j=0; j<i; ) {
int k=write(t,buf+j,i-j);
if (k==-1) panic("server: error: write() failed");
if (k==0) panic("server: error: short write!\n");
j+=k;
}
}
if (p[1].revents) {
int j;
if (p[1].revents&POLLERR)
panic("server: error: poll() signals POLLERR\n");
i=read(t,buf,sizeof(buf));
if (i==0) { shutdown(1,SHUT_WR); blockingcopy(0,t); }
for (j=0; j<i; ) {
int k=write(1,buf+j,i-j);
if (k==-1) panic("server: error: write() failed");
if (k==0) panic("server: error: short write!\n");
j+=k;
}
}
}
return 0;
}