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// all server side masterserver and pinging functionality
#include "cube.h"
ENetSocket mssock = ENET_SOCKET_NULL;
static ENetSocket mssock = ENET_SOCKET_NULL;
void
httpgetsend(ENetAddress &ad, char *hostname, char *req, char *ref, char *agent)
static void
httpgetsend(ENetAddress &ad, OFString *hostname, OFString *req, OFString *ref,
OFString *agent)
{
if (ad.host == ENET_HOST_ANY) {
printf("looking up %s...\n", hostname);
enet_address_set_host(&ad, hostname);
[OFStdOut writeFormat:@"looking up %@...\n", hostname];
@autoreleasepool {
enet_address_set_host(&ad, hostname.UTF8String);
}
if (ad.host == ENET_HOST_ANY)
return;
}
if (mssock != ENET_SOCKET_NULL)
enet_socket_destroy(mssock);
mssock = enet_socket_create(ENET_SOCKET_TYPE_STREAM, NULL);
if (mssock == ENET_SOCKET_NULL) {
printf("could not open socket\n");
return;
}
if (enet_socket_connect(mssock, &ad) < 0) {
printf("could not connect\n");
return;
}
ENetBuffer buf;
sprintf_sd(httpget)(
"GET %s HTTP/1.0\nHost: %s\nReferer: %s\nUser-Agent: %s\n\n", req,
hostname, ref, agent);
buf.data = httpget;
buf.dataLength = strlen((char *)buf.data);
printf("sending request to %s...\n", hostname);
OFString *httpget = [OFString stringWithFormat:@"GET %@ HTTP/1.0\n"
@"Host: %@\n"
@"Referer: %@\n"
@"User-Agent: %@\n\n",
req, hostname, ref, agent];
buf.data = (void *)httpget.UTF8String;
buf.dataLength = httpget.UTF8StringLength;
[OFStdOut writeFormat:@"sending request to %@...\n", hostname];
enet_socket_send(mssock, NULL, &buf, 1);
}
void
static void
httpgetrecieve(ENetBuffer &buf)
{
if (mssock == ENET_SOCKET_NULL)
return;
enet_uint32 events = ENET_SOCKET_WAIT_RECEIVE;
if (enet_socket_wait(mssock, &events, 0) >= 0 && events) {
int len = enet_socket_receive(mssock, NULL, &buf, 1);
if (len <= 0) {
enet_socket_destroy(mssock);
mssock = ENET_SOCKET_NULL;
return;
}
buf.data = ((char *)buf.data) + len;
((char *)buf.data)[0] = 0;
buf.dataLength -= len;
}
}
uchar *
static uchar *
stripheader(uchar *b)
{
char *s = strstr((char *)b, "\n\r\n");
if (!s)
s = strstr((char *)b, "\n\n");
return s ? (uchar *)s : b;
}
ENetAddress masterserver = { ENET_HOST_ANY, 80 };
int updmaster = 0;
string masterbase;
string masterpath;
uchar masterrep[MAXTRANS];
ENetBuffer masterb;
static ENetAddress masterserver = { ENET_HOST_ANY, 80 };
static int updmaster = 0;
static OFString *masterbase;
static OFString *masterpath;
static uchar masterrep[MAXTRANS];
static ENetBuffer masterb;
void
static void
updatemasterserver(int seconds)
{
// send alive signal to masterserver every hour of uptime
if (seconds > updmaster) {
@autoreleasepool {
OFString *path = [OFString
sprintf_sd(path)("%sregister.do?action=add", masterpath);
httpgetsend(masterserver, masterbase, path, "cubeserver",
"Cube Server");
stringWithFormat:@"%@register.do?action=add",
masterpath];
httpgetsend(masterserver, masterbase, path,
@"cubeserver", @"Cube Server");
}
masterrep[0] = 0;
masterb.data = masterrep;
masterb.dataLength = MAXTRANS - 1;
updmaster = seconds + 60 * 60;
}
}
void
static void
checkmasterreply()
{
bool busy = mssock != ENET_SOCKET_NULL;
httpgetrecieve(masterb);
if (busy && mssock == ENET_SOCKET_NULL)
printf("masterserver reply: %s\n", stripheader(masterrep));
}
uchar *
retrieveservers(uchar *buf, int buflen)
{
@autoreleasepool {
OFString *path = [OFString
sprintf_sd(path)("%sretrieve.do?item=list", masterpath);
httpgetsend(
masterserver, masterbase, path, "cubeserver", "Cube Server");
stringWithFormat:@"%@retrieve.do?item=list", masterpath];
httpgetsend(masterserver, masterbase, path, @"cubeserver",
@"Cube Server");
}
ENetBuffer eb;
buf[0] = 0;
eb.data = buf;
eb.dataLength = buflen - 1;
while (mssock != ENET_SOCKET_NULL)
httpgetrecieve(eb);
return stripheader(buf);
}
ENetSocket pongsock = ENET_SOCKET_NULL;
static ENetSocket pongsock = ENET_SOCKET_NULL;
static OFString *serverdesc;
void
serverms(int mode, int numplayers, int minremain, OFString *smapname,
int seconds, bool isfull)
{
checkmasterreply();
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servermsinit(OFString *master_, OFString *sdesc, bool listen)
{
@autoreleasepool {
const char *master = master_.UTF8String;
const char *mid = strstr(master, "/");
if (!mid)
mid = master;
strcpy_s(masterpath, mid);
strn0cpy(masterbase, master, mid - master + 1);
masterpath = @(mid);
masterbase = [[OFString alloc] initWithUTF8String:master
length:mid - master];
serverdesc = sdesc;
if (listen) {
ENetAddress address = { ENET_HOST_ANY,
CUBE_SERVINFO_PORT };
pongsock = enet_socket_create(
ENET_SOCKET_TYPE_DATAGRAM, &address);
if (pongsock == ENET_SOCKET_NULL)
fatal(@"could not create server info socket\n");
}
}
}
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