6 #include "serverpool.h"
12 ServerPool::ServerPool(int size)
13 : servers(new Server[size]),
19 ServerPool::~ServerPool()
24 CubemapStateProto ServerPool::serialize()
26 CubemapStateProto state;
28 for (int i = 0; i < num_servers; ++i) {
29 CubemapStateProto local_state = servers[i].serialize();
31 // The stream state should be identical between the servers, so we only store it once,
32 // save for the fds, which we keep around to distribute to the servers after re-exec.
34 state.mutable_streams()->MergeFrom(local_state.streams());
36 assert(state.streams_size() == local_state.streams_size());
37 for (int j = 0; j < local_state.streams_size(); ++j) {
38 assert(local_state.streams(j).data_fds_size() == 1);
39 state.mutable_streams(j)->add_data_fds(local_state.streams(j).data_fds(0));
42 for (int j = 0; j < local_state.clients_size(); ++j) {
43 state.add_clients()->MergeFrom(local_state.clients(j));
50 void ServerPool::add_client(int sock)
52 servers[clients_added++ % num_servers].add_client_deferred(sock);
55 void ServerPool::add_client_from_serialized(const ClientProto &client)
57 servers[clients_added++ % num_servers].add_client_from_serialized(client);
60 int ServerPool::lookup_stream_by_url(const std::string &url) const
62 assert(servers != NULL);
63 return servers[0].lookup_stream_by_url(url);
66 int ServerPool::add_stream(const string &url, size_t backlog_size, Stream::Encoding encoding)
68 int stream_index = -1;
69 for (int i = 0; i < num_servers; ++i) {
70 int stream_index2 = servers[i].add_stream(url, backlog_size, encoding);
72 stream_index = stream_index2;
74 // Verify that all servers have this under the same stream index.
75 assert(stream_index == stream_index2);
81 int ServerPool::add_stream_from_serialized(const StreamProto &stream, const vector<int> &data_fds)
83 assert(!data_fds.empty());
85 int stream_index = -1;
86 for (int i = 0; i < num_servers; ++i) {
88 if (i < int(data_fds.size())) {
89 // Reuse one of the existing file descriptors.
90 data_fd = data_fds[i];
92 // Clone the first one.
93 if (contents.empty()) {
94 if (!read_tempfile(data_fds[0], &contents)) {
98 data_fd = make_tempfile(contents);
101 int stream_index2 = servers[i].add_stream_from_serialized(stream, data_fd);
103 stream_index = stream_index2;
105 // Verify that all servers have this under the same stream index.
106 assert(stream_index == stream_index2);
110 // Close and delete any leftovers, if the number of servers was reduced.
111 for (size_t i = num_servers; i < data_fds.size(); ++i) {
112 safe_close(data_fds[i]); // Implicitly deletes the file.
118 void ServerPool::set_header(int stream_index, const string &http_header, const string &stream_header)
120 for (int i = 0; i < num_servers; ++i) {
121 servers[i].set_header(stream_index, http_header, stream_header);
125 void ServerPool::add_data(int stream_index, const char *data, size_t bytes)
127 for (int i = 0; i < num_servers; ++i) {
128 servers[i].add_data_deferred(stream_index, data, bytes);
132 void ServerPool::run()
134 for (int i = 0; i < num_servers; ++i) {
139 void ServerPool::stop()
141 for (int i = 0; i < num_servers; ++i) {
146 vector<ClientStats> ServerPool::get_client_stats() const
148 vector<ClientStats> ret;
149 for (int i = 0; i < num_servers; ++i) {
150 vector<ClientStats> stats = servers[i].get_client_stats();
151 ret.insert(ret.end(), stats.begin(), stats.end());
156 void ServerPool::set_mark_pool(int stream_index, MarkPool *mark_pool)
158 for (int i = 0; i < num_servers; ++i) {
159 servers[i].set_mark_pool(stream_index, mark_pool);
163 void ServerPool::set_backlog_size(int stream_index, size_t new_size)
165 for (int i = 0; i < num_servers; ++i) {
166 servers[i].set_backlog_size(stream_index, new_size);
170 void ServerPool::set_encoding(int stream_index, Stream::Encoding encoding)
172 for (int i = 0; i < num_servers; ++i) {
173 servers[i].set_encoding(stream_index, encoding);