Implement header sending.
[cubemap] / server.cpp
index 25da16cba4c341e0c07b8d06eb4239a63a0f476c..0b399e4893d25727cff6e3b723426758d89229c3 100644 (file)
@@ -94,13 +94,15 @@ void Server::add_client(int sock)
        
 void Server::add_stream(const string &stream_id)
 {
-       // TODO
+       MutexLock lock(&mutex);
+       streams.insert(make_pair(stream_id, Stream()));
 }
        
 void Server::set_header(const string &stream_id, const string &header)
 {
-       // TODO
-       printf("got header! %lu bytes\n", header.size());
+       MutexLock lock(&mutex);
+       assert(streams.count(stream_id) != 0);
+       streams[stream_id].header = header;
 }
        
 void Server::add_data(const string &stream_id, const char *data, size_t bytes)
@@ -155,23 +157,62 @@ void Server::process_client(Client *client)
                        return;
                }
 
-               client->state = Client::SENDING_HEADER;
-
-               epoll_event ev;
-               ev.events = EPOLLOUT | EPOLLRDHUP;
-               ev.data.fd = client->sock;
+               parse_request(client);
+               break;
+       }
+       case Client::SENDING_HEADER: {
+               int ret = write(client->sock,
+                               client->header.data() + client->header_bytes_sent,
+                               client->header.size() - client->header_bytes_sent);
+               if (ret == -1) {
+                       perror("write");
+                       close_client(client);
+                       return;
+               }
+               
+               client->header_bytes_sent += ret;
+               assert(client->header_bytes_sent <= client->header.size());
 
-               if (epoll_ctl(epoll_fd, EPOLL_CTL_MOD, client->sock, &ev) == -1) {
-                       perror("epoll_ctl(EPOLL_CTL_MOD)");
-                       exit(1);
+               if (client->header_bytes_sent < client->header.size()) {
+                       // We haven't sent all yet. Fine; we'll do that later.
+                       return;
                }
-               break;
+
+               // We're done sending the header! Clear the entire header to release some memory.
+               client->header.clear();
+
+               // Start sending from the end. In other words, we won't send any of the backlog,
+               // but we'll start sending immediately as we get data.
+               client->state = Client::SENDING_DATA;
+               client->bytes_sent = streams[client->stream_id].data_size;
        }
        default:
                // TODO
                assert(false);
        }
 }
+
+void Server::parse_request(Client *client)
+{
+       // TODO: Actually parse the request. :-)
+       client->stream_id = "stream";
+
+       // Construct the header.
+       client->header = "HTTP/1.0 200 OK\r\nContent-type: todo/fixme\r\n\r\n" +
+               streams[client->stream_id].header;
+
+       // Switch states.
+       client->state = Client::SENDING_HEADER;
+
+       epoll_event ev;
+       ev.events = EPOLLOUT | EPOLLRDHUP;
+       ev.data.fd = client->sock;
+
+       if (epoll_ctl(epoll_fd, EPOLL_CTL_MOD, client->sock, &ev) == -1) {
+               perror("epoll_ctl(EPOLL_CTL_MOD)");
+               exit(1);
+       }
+}
        
 void Server::close_client(Client *client)
 {