#include "accesslog.h"
#include "log.h"
#include "metacube2.h"
-#include "mutexlock.h"
#include "parse.h"
#include "server.h"
#include "state.pb.h"
Server::Server()
{
- pthread_mutex_init(&mutex, NULL);
- pthread_mutex_init(&queued_clients_mutex, NULL);
-
epoll_fd = epoll_create(1024); // Size argument is ignored.
if (epoll_fd == -1) {
log_perror("epoll_fd");
Server::~Server()
{
- for (Stream *stream : streams) {
- delete stream;
- }
-
safe_close(epoll_fd);
}
{
vector<ClientStats> ret;
- MutexLock lock(&mutex);
+ lock_guard<mutex> lock(mu);
for (const auto &fd_and_client : clients) {
ret.push_back(fd_and_client.second.get_stats());
}
exit(1);
}
- MutexLock lock(&mutex); // We release the mutex between iterations.
+ lock_guard<mutex> lock(mu); // We release the mutex between iterations.
process_queued_data();
// Process each client where its stream has new data,
// even if there was no socket activity.
- for (Stream *stream : streams) {
+ for (unique_ptr<Stream> &stream : streams) {
vector<Client *> to_process;
swap(stream->to_process, to_process);
for (Client *client : to_process) {
for (const auto &fd_and_client : clients) {
serialized.add_clients()->MergeFrom(fd_and_client.second.serialize());
}
- for (Stream *stream : streams) {
+ for (unique_ptr<Stream> &stream : streams) {
serialized.add_streams()->MergeFrom(stream->serialize());
}
return serialized;
void Server::add_client_deferred(int sock, Acceptor *acceptor)
{
- MutexLock lock(&queued_clients_mutex);
+ lock_guard<mutex> lock(queued_clients_mutex);
queued_add_clients.push_back(std::make_pair(sock, acceptor));
}
if (is_tls) {
assert(tls_server_contexts.count(acceptor));
client_ptr->tls_context = tls_accept(tls_server_contexts[acceptor]);
- if (client_ptr->tls_context == NULL) {
+ if (client_ptr->tls_context == nullptr) {
log(ERROR, "tls_accept() failed");
close_client(client_ptr);
return;
void Server::add_client_from_serialized(const ClientProto &client)
{
- MutexLock lock(&mutex);
+ lock_guard<mutex> lock(mu);
Stream *stream;
int stream_index = lookup_stream_by_url(client.url());
if (stream_index == -1) {
assert(client.state() != Client::SENDING_DATA);
- stream = NULL;
+ stream = nullptr;
} else {
- stream = streams[stream_index];
+ stream = streams[stream_index].get();
}
auto inserted = clients.insert(make_pair(client.sock(), Client(client, stream)));
assert(inserted.second == true); // Should not already exist.
int Server::add_stream(const string &url, size_t backlog_size, size_t prebuffering_bytes, Stream::Encoding encoding, Stream::Encoding src_encoding)
{
- MutexLock lock(&mutex);
+ lock_guard<mutex> lock(mu);
stream_url_map.insert(make_pair(url, streams.size()));
- streams.push_back(new Stream(url, backlog_size, prebuffering_bytes, encoding, src_encoding));
+ streams.emplace_back(new Stream(url, backlog_size, prebuffering_bytes, encoding, src_encoding));
return streams.size() - 1;
}
int Server::add_stream_from_serialized(const StreamProto &stream, int data_fd)
{
- MutexLock lock(&mutex);
+ lock_guard<mutex> lock(mu);
stream_url_map.insert(make_pair(stream.url(), streams.size()));
- streams.push_back(new Stream(stream, data_fd));
+ streams.emplace_back(new Stream(stream, data_fd));
return streams.size() - 1;
}
void Server::set_backlog_size(int stream_index, size_t new_size)
{
- MutexLock lock(&mutex);
+ lock_guard<mutex> lock(mu);
assert(stream_index >= 0 && stream_index < ssize_t(streams.size()));
streams[stream_index]->set_backlog_size(new_size);
}
void Server::set_prebuffering_bytes(int stream_index, size_t new_amount)
{
- MutexLock lock(&mutex);
+ lock_guard<mutex> lock(mu);
assert(stream_index >= 0 && stream_index < ssize_t(streams.size()));
streams[stream_index]->prebuffering_bytes = new_amount;
}
void Server::set_encoding(int stream_index, Stream::Encoding encoding)
{
- MutexLock lock(&mutex);
+ lock_guard<mutex> lock(mu);
assert(stream_index >= 0 && stream_index < ssize_t(streams.size()));
streams[stream_index]->encoding = encoding;
}
void Server::set_src_encoding(int stream_index, Stream::Encoding encoding)
{
- MutexLock lock(&mutex);
+ lock_guard<mutex> lock(mu);
assert(stream_index >= 0 && stream_index < ssize_t(streams.size()));
streams[stream_index]->src_encoding = encoding;
}
void Server::set_header(int stream_index, const string &http_header, const string &stream_header)
{
- MutexLock lock(&mutex);
+ lock_guard<mutex> lock(mu);
assert(stream_index >= 0 && stream_index < ssize_t(streams.size()));
streams[stream_index]->http_header = http_header;
void Server::set_pacing_rate(int stream_index, uint32_t pacing_rate)
{
- MutexLock lock(&mutex);
+ lock_guard<mutex> lock(mu);
assert(clients.empty());
assert(stream_index >= 0 && stream_index < ssize_t(streams.size()));
streams[stream_index]->pacing_rate = pacing_rate;
void Server::add_gen204(const std::string &url, const std::string &allow_origin)
{
- MutexLock lock(&mutex);
+ lock_guard<mutex> lock(mu);
assert(clients.empty());
ping_url_map[url] = allow_origin;
}
{
switch (client->state) {
case Client::READING_REQUEST: {
- if (client->tls_context != NULL) {
+ if (client->tls_context != nullptr) {
if (send_pending_tls_data(client)) {
// send_pending_tls_data() hit postconditions #1 or #4.
return;
// Try to read more of the request.
char buf[1024];
int ret;
- if (client->tls_context == NULL) {
+ if (client->tls_context == nullptr) {
ret = read_nontls_data(client, buf, sizeof(buf));
if (ret == -1) {
// read_nontls_data() hit postconditions #1 or #2.
bool Server::send_pending_tls_data(Client *client)
{
// See if there's data from the TLS library to write.
- if (client->tls_data_to_send == NULL) {
+ if (client->tls_data_to_send == nullptr) {
client->tls_data_to_send = tls_get_write_buffer(client->tls_context, &client->tls_data_left_to_send);
- if (client->tls_data_to_send == NULL) {
+ if (client->tls_data_to_send == nullptr) {
// Really no data to send.
return false;
}
if (ret > 0 && size_t(ret) == client->tls_data_left_to_send) {
// All data has been sent, so we don't need to go to sleep.
tls_buffer_clear(client->tls_context);
- client->tls_data_to_send = NULL;
+ client->tls_data_to_send = nullptr;
return false;
}
void Server::skip_lost_data(Client *client)
{
Stream *stream = client->stream;
- if (stream == NULL) {
+ if (stream == nullptr) {
return;
}
size_t bytes_to_send = stream->bytes_received - client->stream_pos;
}
}
- Stream *stream = streams[stream_url_map_it->second];
+ Stream *stream = streams[stream_url_map_it->second].get();
if (stream->http_header.empty()) {
return 503; // Service unavailable.
}
void Server::close_client(Client *client)
{
- if (epoll_ctl(epoll_fd, EPOLL_CTL_DEL, client->sock, NULL) == -1) {
+ if (epoll_ctl(epoll_fd, EPOLL_CTL_DEL, client->sock, nullptr) == -1) {
log_perror("epoll_ctl(EPOLL_CTL_DEL)");
exit(1);
}
// This client could be sleeping, so we'll need to fix that. (Argh, O(n).)
- if (client->stream != NULL) {
+ if (client->stream != nullptr) {
delete_from(&client->stream->sleeping_clients, client);
delete_from(&client->stream->to_process, client);
}
void Server::process_queued_data()
{
{
- MutexLock lock(&queued_clients_mutex);
+ lock_guard<mutex> lock(queued_clients_mutex);
for (const pair<int, Acceptor *> &id_and_acceptor : queued_add_clients) {
add_client(id_and_acceptor.first, id_and_acceptor.second);
queued_add_clients.clear();
}
- for (Stream *stream : streams) {
+ for (unique_ptr<Stream> &stream : streams) {
stream->process_queued_data();
}
}
projects / cubemap / blobdiff