#include "accesslog.h"
#include "log.h"
-#include "markpool.h"
#include "metacube2.h"
#include "mutexlock.h"
#include "parse.h"
#include "stream.h"
#include "util.h"
+#ifndef SO_MAX_PACING_RATE
+#define SO_MAX_PACING_RATE 47
+#endif
+
using namespace std;
extern AccessLogThread *access_log;
assert(stream_index >= 0 && stream_index < ssize_t(streams.size()));
streams[stream_index]->http_header = http_header;
streams[stream_index]->stream_header = stream_header;
-
- // If there are clients we haven't sent anything to yet, we should give
- // them the header, so push back into the SENDING_HEADER state.
- for (map<int, Client>::iterator client_it = clients.begin();
- client_it != clients.end();
- ++client_it) {
- Client *client = &client_it->second;
- if (client->state == Client::WAITING_FOR_KEYFRAME ||
- (client->state == Client::SENDING_DATA &&
- client->stream_pos == 0)) {
- construct_header(client);
- }
- }
}
-void Server::set_mark_pool(int stream_index, MarkPool *mark_pool)
+void Server::set_pacing_rate(int stream_index, uint32_t pacing_rate)
{
MutexLock lock(&mutex);
assert(clients.empty());
assert(stream_index >= 0 && stream_index < ssize_t(streams.size()));
- streams[stream_index]->mark_pool = mark_pool;
+ streams[stream_index]->pacing_rate = pacing_rate;
}
void Server::add_data_deferred(int stream_index, const char *data, size_t bytes, StreamStartSuitability suitable_for_stream_start)
ssize_t ret;
do {
- loff_t offset = client->stream_pos % stream->backlog_size;
+ off_t offset = client->stream_pos % stream->backlog_size;
ret = sendfile(client->sock, stream->data_fd, &offset, bytes_to_send);
} while (ret == -1 && errno == EINTR);
void Server::skip_lost_data(Client *client)
{
Stream *stream = client->stream;
+ if (stream == NULL) {
+ return;
+ }
size_t bytes_to_send = stream->bytes_received - client->stream_pos;
if (bytes_to_send > stream->backlog_size) {
size_t bytes_lost = bytes_to_send - stream->backlog_size;
client->stream_pos = stream->bytes_received - stream->backlog_size;
client->bytes_lost += bytes_lost;
++client->num_loss_events;
-
- double loss_fraction = double(client->bytes_lost) / double(client->bytes_lost + client->bytes_sent);
- log(WARNING, "[%s] Client lost %lld bytes (total loss: %.2f%%), maybe too slow connection",
- client->remote_addr.c_str(),
- (long long int)(bytes_lost),
- 100.0 * loss_fraction);
}
}
return 404; // Not found.
}
- client->url = request_tokens[1];
- client->stream = streams[url_map_it->second];
- if (client->stream->mark_pool != NULL) {
- client->fwmark = client->stream->mark_pool->get_mark();
- } else {
- client->fwmark = 0; // No mark.
+ Stream *stream = streams[url_map_it->second];
+ if (stream->http_header.empty()) {
+ return 503; // Service unavailable.
}
- if (setsockopt(client->sock, SOL_SOCKET, SO_MARK, &client->fwmark, sizeof(client->fwmark)) == -1) {
- if (client->fwmark != 0) {
- log_perror("setsockopt(SO_MARK)");
+
+ client->url = request_tokens[1];
+ client->stream = stream;
+ if (setsockopt(client->sock, SOL_SOCKET, SO_MAX_PACING_RATE, &client->stream->pacing_rate, sizeof(client->stream->pacing_rate)) == -1) {
+ if (client->stream->pacing_rate != ~0U) {
+ log_perror("setsockopt(SO_MAX_PACING_RATE)");
}
}
client->request.clear();
if (client->stream != NULL) {
delete_from(&client->stream->sleeping_clients, client);
delete_from(&client->stream->to_process, client);
- if (client->stream->mark_pool != NULL) {
- int fwmark = client->fwmark;
- client->stream->mark_pool->release_mark(fwmark);
- }
}
// Log to access_log.