7 #include "serverpool.h"
13 ServerPool::ServerPool(int size)
14 : servers(new Server[size]),
20 ServerPool::~ServerPool()
25 CubemapStateProto ServerPool::serialize()
27 CubemapStateProto state;
29 for (int i = 0; i < num_servers; ++i) {
30 CubemapStateProto local_state = servers[i].serialize();
32 // The stream state should be identical between the servers, so we only store it once,
33 // save for the fds, which we keep around to distribute to the servers after re-exec.
35 state.mutable_streams()->MergeFrom(local_state.streams());
37 assert(state.streams_size() == local_state.streams_size());
38 for (int j = 0; j < local_state.streams_size(); ++j) {
39 assert(local_state.streams(j).data_fds_size() == 1);
40 state.mutable_streams(j)->add_data_fds(local_state.streams(j).data_fds(0));
43 for (int j = 0; j < local_state.clients_size(); ++j) {
44 state.add_clients()->MergeFrom(local_state.clients(j));
51 void ServerPool::add_client(int sock)
53 servers[clients_added++ % num_servers].add_client_deferred(sock);
56 void ServerPool::add_client_from_serialized(const ClientProto &client)
58 servers[clients_added++ % num_servers].add_client_from_serialized(client);
61 void ServerPool::add_stream(const string &stream_id, size_t backlog_size, Stream::Encoding encoding)
63 for (int i = 0; i < num_servers; ++i) {
64 servers[i].add_stream(stream_id, backlog_size, encoding);
68 void ServerPool::add_stream_from_serialized(const StreamProto &stream, const vector<int> &data_fds)
70 assert(!data_fds.empty());
72 for (int i = 0; i < num_servers; ++i) {
74 if (i < int(data_fds.size())) {
75 // Reuse one of the existing file descriptors.
76 data_fd = data_fds[i];
78 // Clone the first one.
79 if (contents.empty()) {
80 if (!read_tempfile(data_fds[0], &contents)) {
84 data_fd = make_tempfile(contents);
87 servers[i].add_stream_from_serialized(stream, data_fd);
90 // Close and delete any leftovers, if the number of servers was reduced.
91 for (size_t i = num_servers; i < data_fds.size(); ++i) {
94 ret = close(data_fds[i]); // Implicitly deletes the file.
95 } while (ret == -1 && errno == EINTR);
99 // Can still continue.
104 void ServerPool::set_header(const string &stream_id, const string &http_header, const string &stream_header)
106 for (int i = 0; i < num_servers; ++i) {
107 servers[i].set_header(stream_id, http_header, stream_header);
111 void ServerPool::add_data(const string &stream_id, const char *data, size_t bytes)
113 for (int i = 0; i < num_servers; ++i) {
114 servers[i].add_data_deferred(stream_id, data, bytes);
118 void ServerPool::run()
120 for (int i = 0; i < num_servers; ++i) {
125 void ServerPool::stop()
127 for (int i = 0; i < num_servers; ++i) {
132 vector<ClientStats> ServerPool::get_client_stats() const
134 vector<ClientStats> ret;
135 for (int i = 0; i < num_servers; ++i) {
136 vector<ClientStats> stats = servers[i].get_client_stats();
137 ret.insert(ret.end(), stats.begin(), stats.end());
142 void ServerPool::set_mark_pool(const string &stream_id, MarkPool *mark_pool)
144 for (int i = 0; i < num_servers; ++i) {
145 servers[i].set_mark_pool(stream_id, mark_pool);
149 void ServerPool::set_backlog_size(const string &stream_id, size_t new_size)
151 for (int i = 0; i < num_servers; ++i) {
152 servers[i].set_backlog_size(stream_id, new_size);
156 void ServerPool::set_encoding(const string &stream_id, Stream::Encoding encoding)
158 for (int i = 0; i < num_servers; ++i) {
159 servers[i].set_encoding(stream_id, encoding);