#include <map>
#include <set>
#include <string>
+#include <unordered_map>
#include <utility>
#include <vector>
using namespace std;
-AccessLogThread *access_log = NULL;
-ServerPool *servers = NULL;
+AccessLogThread *access_log = nullptr;
+ServerPool *servers = nullptr;
volatile bool hupped = false;
volatile bool stopped = false;
{
vector<Acceptor *> acceptors;
for (const AcceptorConfig &acceptor_config : config.acceptors) {
- Acceptor *acceptor = NULL;
+ Acceptor *acceptor = nullptr;
const auto deserialized_acceptor_it = deserialized_acceptors->find(acceptor_config);
if (deserialized_acceptor_it != deserialized_acceptors->end()) {
acceptor = deserialized_acceptor_it->second;
InputWithRefcount iwr;
iwr.input = create_input(src, encoding);
- if (iwr.input == NULL) {
+ if (iwr.input == nullptr) {
log(ERROR, "did not understand URL '%s' or source encoding was invalid, clients will not get any data.",
src.c_str());
return;
void create_config_inputs(const Config &config, multimap<InputKey, InputWithRefcount> *inputs)
{
for (const StreamConfig &stream_config : config.streams) {
- if (stream_config.src != "delete") {
- create_config_input(stream_config.src, Input::Encoding(stream_config.src_encoding), inputs);
+ if (stream_config.src == "delete") {
+ // Ignored for pre-1.4.0 configuration compatibility.
+ continue;
}
+ create_config_input(stream_config.src, Input::Encoding(stream_config.src_encoding), inputs);
}
for (const UDPStreamConfig &udpstream_config : config.udpstreams) {
create_config_input(udpstream_config.src, Input::INPUT_ENCODING_RAW, inputs);
expecting_urls.erase(stream_config.url);
- // Special-case deleted streams; they were never deserialized in the first place,
- // so just ignore them.
if (stream_config.src == "delete") {
+ // Ignored for pre-1.4.0 configuration compatibility.
continue;
}
if (deserialized_urls.count(stream_config.url) == 0) {
stream_index = servers->add_stream(stream_config.url,
+ stream_config.hls_url,
stream_config.backlog_size,
stream_config.prebuffering_bytes,
Stream::Encoding(stream_config.encoding),
- Stream::Encoding(stream_config.src_encoding));
+ Stream::Encoding(stream_config.src_encoding),
+ stream_config.hls_frag_duration,
+ stream_config.hls_backlog_margin,
+ stream_config.allow_origin);
} else {
stream_index = servers->lookup_stream_by_url(stream_config.url);
assert(stream_index != -1);
servers->set_backlog_size(stream_index, stream_config.backlog_size);
+ if (!stream_config.hls_url.empty()) {
+ servers->register_hls_url(stream_index, stream_config.hls_url);
+ }
servers->set_prebuffering_bytes(stream_index, stream_config.prebuffering_bytes);
servers->set_encoding(stream_index,
Stream::Encoding(stream_config.encoding));
servers->set_src_encoding(stream_index,
Stream::Encoding(stream_config.src_encoding));
+ servers->set_hls_frag_duration(stream_index, stream_config.hls_frag_duration);
+ servers->set_hls_backlog_margin(stream_index, stream_config.hls_backlog_margin);
+ servers->set_allow_origin(stream_index, stream_config.allow_origin);
}
servers->set_pacing_rate(stream_index, stream_config.pacing_rate);
return false;
case 0:
// Child.
- execlp(argv0_copy, argv0_copy, "--test-config", config_filename_copy, NULL);
+ execlp(argv0_copy, argv0_copy, "--test-config", config_filename_copy, nullptr);
log_perror(argv0_copy);
_exit(1);
default:
return (WIFEXITED(status) && WEXITSTATUS(status) == 0);
}
-void find_deleted_streams(const Config &config, set<string> *deleted_urls)
+void find_all_streams(const Config &config, set<string> *all_urls)
{
for (const StreamConfig &stream_config : config.streams) {
if (stream_config.src == "delete") {
- log(INFO, "Deleting stream '%s'.", stream_config.url.c_str());
- deleted_urls->insert(stream_config.url);
+ log(WARNING, "stream '%s' has src=delete; ignoring it. Since Cubemap 1.4.0, you do not "
+ "need to set src=delete to delete streams anymore; just delete them from "
+ "the configuration file.",
+ stream_config.url.c_str());
+ } else {
+ all_urls->insert(stream_config.url);
}
}
}
char argv0_canon[PATH_MAX];
char config_filename_canon[PATH_MAX];
- if (realpath("/proc/self/exe", argv0_canon) == NULL) {
+ if (realpath("/proc/self/exe", argv0_canon) == nullptr) {
log_perror(argv[0]);
exit(1);
}
- if (realpath(config_filename.c_str(), config_filename_canon) == NULL) {
+ if (realpath(config_filename.c_str(), config_filename_canon) == nullptr) {
log_perror(config_filename.c_str());
exit(1);
}
servers = new ServerPool(config.num_servers);
- // Find all the streams that are to be deleted.
- set<string> deleted_urls;
- find_deleted_streams(config, &deleted_urls);
+ // Find all the streams that are to be kept.
+ set<string> all_urls;
+ find_all_streams(config, &all_urls);
CubemapStateProto loaded_state;
timespec serialize_start;
serialize_start.tv_nsec = loaded_state.serialize_start_usec() * 1000ull;
// Deserialize the streams.
- map<string, string> stream_headers_for_url; // See below.
+ unordered_map<string, string> stream_headers_for_url; // See below.
for (const StreamProto &stream : loaded_state.streams()) {
- if (deleted_urls.count(stream.url()) != 0) {
+ if (all_urls.count(stream.url()) == 0) {
// Delete the stream backlogs.
+ log(INFO, "Deleting stream '%s'.", stream.url().c_str());
for (const int fd : stream.data_fds()) {
safe_close(fd);
}
servers->create_tls_context_for_acceptor(acceptor);
}
}
+
+ // Allocate strings for the short responses.
+ vector<shared_ptr<const string>> short_response_pool;
+ for (const ShortResponsePool &str : loaded_state.short_response_pool()) {
+ short_response_pool.emplace_back(new string(str.header_or_short_response()));
+ }
// Put back the existing clients. It doesn't matter which server we
// allocate them to, so just do round-robin. However, we need to sort them
loaded_state.mutable_clients()->end(),
OrderByConnectionTime());
for (int i = 0; i < loaded_state.clients_size(); ++i) {
- if (deleted_urls.count(loaded_state.clients(i).url()) != 0) {
+ if (!loaded_state.clients(i).url().empty() &&
+ all_urls.count(loaded_state.clients(i).url()) == 0) {
+ // Belongs to a dead stream (not keepalive), so we just have to close.
safe_close(loaded_state.clients(i).sock());
} else {
- servers->add_client_from_serialized(loaded_state.clients(i));
+ servers->add_client_from_serialized(loaded_state.clients(i), short_response_pool);
}
}
+ short_response_pool.clear(); // No longer needed; the clients have their own refcounts now.
+
+ // Put back the HLS zombies. There's no really good allocation here
+ // except round-robin; it would be marginally more efficient to match it
+ // to the client (since that would have them deleted immediately when
+ // the client requests the next fragment, instead of being later weeded
+ // out during statistics collection), but it's not a big deal.
+ for (const HLSZombieProto &zombie_proto : loaded_state.hls_zombies()) {
+ servers->add_hls_zombie_from_serialized(zombie_proto);
+ }
+
servers->run();
// Now delete all inputs that are longer in use, and start the others.
err = clock_gettime(CLOCK_MONOTONIC, &serialize_start);
assert(err != -1);
- if (input_stats_thread != NULL) {
+ if (input_stats_thread != nullptr) {
input_stats_thread->stop();
input_stats_thread.reset();
}
- if (stats_thread != NULL) {
+ if (stats_thread != nullptr) {
stats_thread->stop();
stats_thread.reset();
}
sprintf(buf, "%d", state_fd);
for ( ;; ) {
- execlp(argv0_canon, argv0_canon, config_filename_canon, "--state", buf, NULL);
+ execlp(argv0_canon, argv0_canon, config_filename_canon, "--state", buf, nullptr);
open_logs(config.log_destinations);
log_perror("execlp");
log(ERROR, "re-exec of %s failed. Waiting 0.2 seconds and trying again...", argv0_canon);