Run include-what-you-use.
[cubemap] / udpinput.cpp
index bd83381..887850c 100644 (file)
@@ -1,6 +1,7 @@
 #include <assert.h>
 #include <errno.h>
 #include <poll.h>
+#include <stddef.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <sys/socket.h>
@@ -12,6 +13,7 @@
 #include "serverpool.h"
 #include "state.pb.h"
 #include "udpinput.h"
+#include "util.h"
 #include "version.h"
 
 using namespace std;
@@ -52,34 +54,29 @@ InputProto UDPInput::serialize() const
 
 void UDPInput::close_socket()
 {
-       int ret;
-       do {
-               ret = close(sock);
-       } while (ret == -1 && errno == EINTR);
-
-       if (ret == -1) {
-               log_perror("close()");
-       }
-
+       safe_close(sock);
        sock = -1;
 }
        
 void UDPInput::construct_header()
 {
-       string header =
+       http_header =
                "HTTP/1.0 200 OK\r\n"
                "Content-type: application/octet-stream\r\n"
                "Cache-control: no-cache\r\n"
                "Server: " SERVER_IDENTIFICATION "\r\n"
-               "\r\n";
-       for (size_t i = 0; i < stream_ids.size(); ++i) {
-               servers->set_header(stream_ids[i], header);
-       }
+               "Connection: close\r\n";
+}
+       
+void UDPInput::add_destination(int stream_index)
+{
+       stream_indices.push_back(stream_index);
+       servers->set_header(stream_index, http_header, "");
 }
 
 void UDPInput::do_work()
 {
-       while (!should_stop) {
+       while (!should_stop()) {
                if (sock == -1) {
                        int port_num = atoi(port.c_str());
                        sock = create_server_socket(port_num, UDP_SOCKET);
@@ -91,21 +88,12 @@ void UDPInput::do_work()
                        }
                }
 
-               // Since we are non-blocking, we need to wait for the right state first.
-               // Wait up to 50 ms, then check should_stop.
-               pollfd pfd;
-               pfd.fd = sock;
-               pfd.events = POLLIN;
-
-               int nfds = poll(&pfd, 1, 50);
-               if (nfds == 0 || (nfds == -1 && errno == EINTR)) {
+               // Wait for a packet, or a wakeup.
+               bool activity = wait_for_activity(sock, POLLIN, NULL);
+               if (!activity) {
+                       // Most likely, should_stop was set.
                        continue;
                }
-               if (nfds == -1) {
-                       log_perror("poll");
-                       close_socket();
-                       continue;       
-               }
 
                char buf[4096];
                int ret;
@@ -119,8 +107,8 @@ void UDPInput::do_work()
                        continue;
                }
                
-               for (size_t i = 0; i < stream_ids.size(); ++i) {
-                       servers->add_data(stream_ids[i], buf, ret);
+               for (size_t i = 0; i < stream_indices.size(); ++i) {
+                       servers->add_data(stream_indices[i], buf, ret);
                }
        }
 }