Support joining multicast addresses (both ASM and SSM).

[cubemap] / input.cpp

diff --git a/input.cpp b/input.cpp
index 1e617807d0058c88b92d6b5f8b13da97c0c837c2..0ee7d1ce918af18a9999a414cc9014a97ae07f7d 100644 (file)
--- a/input.cpp
+++ b/input.cpp
@@ -1,30 +1,52 @@
-#include <string.h>
+#include <stddef.h>
 #include <string>
 
+#include "httpinput.h"
 #include "input.h"
+#include "state.pb.h"
+#include "udpinput.h"
 
 using namespace std;
 
+namespace {
+
+// Does not support passwords, only user:host, since this is really only used
+// to parse VLC's udp://source@multicastgroup:1234/ syntax (we do not support
+// even basic auth).
+void split_user_host(const string &user_host, string *user, string *host)
+{
+       size_t split = user_host.find("@");
+       if (split == string::npos) {
+               user->clear();
+               *host = user_host;
+       } else {
+               *user = string(user_host.begin(), user_host.begin() + split);
+               *host = string(user_host.begin() + split + 1, user_host.end());
+       }
+}
+
+}  // namespace
+
 // Extremely rudimentary URL parsing.
-bool parse_url(const string &url, string *protocol, string *host, string *port, string *path)
+bool parse_url(const string &url, string *protocol, string *user, string *host, string *port, string *path)
 {
-       if (url.find("http://") != 0) {
+       size_t split = url.find("://");
+       if (split == string::npos) {
                return false;
        }
+       *protocol = string(url.begin(), url.begin() + split);
 
-       *protocol = "http";
-       
-       string rest = url.substr(strlen("http://"));
-       size_t split = rest.find_first_of(":/");
+       string rest = string(url.begin() + split + 3, url.end());
+       split = rest.find_first_of(":/");
        if (split == string::npos) {
                // http://foo
-               *host = rest;
-               *port = "http";
+               split_user_host(rest, user, host);
+               *port = *protocol;
                *path = "/";
                return true;
        }
 
-       *host = string(rest.begin(), rest.begin() + split);
+       split_user_host(string(rest.begin(), rest.begin() + split), user, host);
        char ch = rest[split];  // Colon or slash.
        rest = string(rest.begin() + split + 1, rest.end());
 
@@ -45,10 +67,40 @@ bool parse_url(const string &url, string *protocol, string *host, string *port,
        }
 
        // http://foo/bar
-       *port = "http";
-       *path = rest;
+       *port = *protocol;
+       *path = "/" + rest;
        return true;
 }
 
+Input *create_input(const std::string &url)
+{
+       string protocol, user, host, port, path;
+       if (!parse_url(url, &protocol, &user, &host, &port, &path)) {
+               return NULL;
+       }
+       if (protocol == "http") {
+               return new HTTPInput(url);
+       }
+       if (protocol == "udp") {
+               return new UDPInput(url);
+       }
+       return NULL;
+}
+
+Input *create_input(const InputProto &serialized)
+{
+       string protocol, user, host, port, path;
+       if (!parse_url(serialized.url(), &protocol, &user, &host, &port, &path)) {
+               return NULL;
+       }
+       if (protocol == "http") {
+               return new HTTPInput(serialized);
+       }
+       if (protocol == "udp") {
+               return new UDPInput(serialized);
+       }
+       return NULL;
+}
+
 Input::~Input() {}