// rc < 0 on comm failures
// rc == 1 indicates comm success
extern int
proto_session_send_msg(Proto_Session *s, int reset)
{
s->shdr.blen = htonl(s->slen);
// write request
if (net_writen(s->fd, &(s->shdr), sizeof(s->shdr)) != sizeof(s->shdr))
return -1;
if (s->slen) {
if (net_writen(s->fd, s->sbuf, s->slen) != s->slen) {
return -2;
}
}
if (proto_debug()) {
fprintf(stderr, "%p: proto_session_send_msg: SENT:\n", pthread_self());
proto_session_dump(s);
}
// communication was successfull
if (reset) proto_session_reset_send(s);
return 1;
}
void
proto_server_post_event(void)
{
int i;
int num;
pthread_mutex_lock(&Proto_Server.EventSubscribersLock);
i = 0;
num = Proto_Server.EventNumSubscribers;
while (num > 0)
{
Proto_Server.EventSession.fd = Proto_Server.EventSubscribers[i];
if (Proto_Server.EventSession.fd != -1)
{
num--;
if (proto_session_send_msg(&Proto_Server.EventSession, 0) < 0)
{
// must have lost an event connection
close(Proto_Server.EventSession.fd);
Proto_Server.EventSubscribers[i] = -1;
Proto_Server.EventNumSubscribers--;
Proto_Server.session_lost_handler(&Proto_Server.EventSession);
}
// FIXME: add ack message here to ensure that game is updated
// correctly everywhere... at the risk of making server dependent
// on client behaviour (use time out to limit impact... drop
// clients that misbehave but be carefull of introducing deadlocks
}
i++;
}
proto_session_reset_send(&Proto_Server.EventSession);
pthread_mutex_unlock(&Proto_Server.EventSubscribersLock);
}
// rc < 0 on comm failures
// rc == 1 indicates comm success
// session passed to us contains header and body information,
// need to send that information to fd
extern int
proto_session_send_msg(Proto_Session *s, int reset){
s->shdr.blen = htonl(s->slen);
if(net_writen(s->fd, &(s->shdr), sizeof(Proto_Msg_Hdr)) < 0)
return -1;
net_writen(s->fd, s->sbuf, s->slen);
if (proto_debug()) {
fprintf(stderr, "%p: proto_session_send_msg: SENT:\n", pthread_self());
proto_session_dump(s);
}
if (reset) proto_session_reset_send(s);
return 1;
}
// rc < 0 on comm failures
// rc == 1 indicates comm success
extern int
proto_session_send_msg(Proto_Session *s, int reset)
{
s->shdr.blen = htonl(s->slen);
// write request
ADD CODE
if (proto_debug()) {
fprintf(stderr, "%p: proto_session_send_msg: SENT:\n", pthread_self());
proto_session_dump(s);
}
// communication was successfull
if (reset) proto_session_reset_send(s);
return 1;
}
// rc < 0 on comm failures
// rc == 1 indicates comm success
extern int
proto_session_send_msg(Proto_Session *s, int reset)
{
s->shdr.blen = htonl(s->slen);
// write request
// ADD CODE
net_writen(s->fd, &s->shdr, (int)sizeof(Proto_Msg_Hdr));
if (s->slen>0) {
net_writen(s->fd, &s->sbuf, (int)s->slen);
if (PROTO_PRINT_DUMPS==1) fprintf(stderr, "Sending extra bytes: %d\n", s->slen);
}
if (proto_debug()) {
fprintf(stderr, "%p: proto_session_send_msg: SENT:\n", pthread_self());
proto_session_dump(s);
}
if (PROTO_PRINT_DUMPS==1) fprintf(stderr, "Sent message...\n");
// ////////////
// struct sockaddr_in sinadd;
// socklen_t len = sizeof(sinadd);
// if (getsockname(s->fd, (struct sockaddr *)&sinadd, &len) == -1)
// perror("getsockname");
// else
// printf("port number %d\n", ntohs(sinadd.sin_port));
// char hostname[128];
// gethostname(hostname, sizeof hostname);
// printf("My hostname: %s\n", hostname);
// ////////////
// communication was successfull
if (reset) proto_session_reset_send(s);
return 1;
}
extern int
proto_client_hello(Proto_Client_Handle ch)
{
int i = 0, rc = 1, offset = 0;
Proto_Session *s;
Proto_Client *c = ch;
s = &(c->rpc_session);
printf("Loading...\n\n");
marshall_mtonly(s, PROTO_MT_REQ_BASE_HELLO);
proto_session_body_marshall_int(s,i);
rc = proto_session_rpc(s);
if (rc == 1)
maze_unmarshall_row(s, offset, i);
else
c->session_lost_handler(s);
if (Board.size / 20 > 0) {
for (i = 1; i < Board.size / 20; i++) {
proto_session_reset_send(s);
marshall_mtonly(s, PROTO_MT_REQ_BASE_HELLO);
proto_session_body_marshall_int(s,i);
rc = proto_session_rpc(s);
if (rc == 1)
maze_unmarshall_row(s, 0, i);
else
c->session_lost_handler(s);
}
}
//dump();
return i;
}
extern int
proto_session_send_msg(Proto_Session *s, int reset) {
//int n;
s->shdr.blen = sizeof (s->sbuf);
s->slen = sizeof (s->shdr);
net_writen(s->fd, &(s->shdr), s->slen);
net_writen(s->fd, &(s->sbuf), s->shdr.blen);
// write request
// ADD CODE
if (proto_debug()) {
fprintf(stderr, "%p: proto_session_send_msg: SENT:\n", pthread_self());
proto_session_dump(s);
}
// communication was successfull
if (reset) proto_session_reset_send(s);
return 1;
}
void
proto_server_post_event(void){
int i;
int num;
pthread_mutex_lock(&Proto_Server.EventSubscribersLock);
i = 0;
num = Proto_Server.EventNumSubscribers;
while (num) {
Proto_Server.EventSession.fd = Proto_Server.EventSubscribers[i];
if (Proto_Server.EventSession.fd != -1) {
num--;
if (proto_session_send_msg(&(Proto_Server.EventSession),0)<0) {
printf("Lost a connection.\n");
// must have lost an event connection
close(Proto_Server.EventSession.fd);
Proto_Server.EventSubscribers[i]=-1;
Proto_Server.EventNumSubscribers--;
// NYI; //Proto_Server.ADD CODE
//I Have no idea^^ -B 4/24/13
// may have to issue a remove player for this subscriber...-chris 4/24/13
}
// FIXME: add ack message here to ensure that game is updated
// correctly everywhere... at the risk of making server dependent
// on client behaviour (use time out to limit impact... drop
// clients that misbehave but be carefull of introducing deadlocks
}
i++; }
proto_session_reset_send(&Proto_Server.EventSession);
pthread_mutex_unlock(&Proto_Server.EventSubscribersLock);
}
