queued_data[stream_id].append(string(data, data + bytes));
}
-void Server::add_data(const string &stream_id, const char *data, ssize_t bytes)
-{
- Stream *stream = find_stream(stream_id);
- size_t pos = stream->bytes_received % stream->backlog_size;
- stream->bytes_received += bytes;
-
- if (pos + bytes > stream->backlog_size) {
- ssize_t to_copy = stream->backlog_size - pos;
- while (to_copy > 0) {
- int ret = pwrite(stream->data_fd, data, to_copy, pos);
- if (ret == -1 && errno == EINTR) {
- continue;
- }
- if (ret == -1) {
- perror("pwrite");
- // Dazed and confused, but trying to continue...
- break;
- }
- pos += ret;
- data += ret;
- to_copy -= ret;
- bytes -= ret;
- }
- pos = 0;
- }
-
- while (bytes > 0) {
- int ret = pwrite(stream->data_fd, data, bytes, pos);
- if (ret == -1 && errno == EINTR) {
- continue;
- }
- if (ret == -1) {
- perror("pwrite");
- // Dazed and confused, but trying to continue...
- break;
- }
- pos += ret;
- data += ret;
- bytes -= ret;
- }
-
- stream->wake_up_all_clients();
-}
-
// See the .h file for postconditions after this function.
void Server::process_client(Client *client)
{
for (map<string, string>::iterator queued_it = queued_data.begin();
queued_it != queued_data.end();
++queued_it) {
- add_data(queued_it->first, queued_it->second.data(), queued_it->second.size());
+ Stream *stream = find_stream(queued_it->first);
+ stream->add_data(queued_it->second.data(), queued_it->second.size());
}
queued_data.clear();
}
void process_queued_data();
void add_client(int sock);
- void add_data(const std::string &stream_id, const char *data, ssize_t bytes);
};
#endif // !defined(_SERVER_H)
sleeping_clients.push_back(client);
}
+void Stream::add_data(const char *data, ssize_t bytes)
+{
+ size_t pos = bytes_received % backlog_size;
+ bytes_received += bytes;
+
+ if (pos + bytes > backlog_size) {
+ ssize_t to_copy = backlog_size - pos;
+ while (to_copy > 0) {
+ int ret = pwrite(data_fd, data, to_copy, pos);
+ if (ret == -1 && errno == EINTR) {
+ continue;
+ }
+ if (ret == -1) {
+ perror("pwrite");
+ // Dazed and confused, but trying to continue...
+ break;
+ }
+ pos += ret;
+ data += ret;
+ to_copy -= ret;
+ bytes -= ret;
+ }
+ pos = 0;
+ }
+
+ while (bytes > 0) {
+ int ret = pwrite(data_fd, data, bytes, pos);
+ if (ret == -1 && errno == EINTR) {
+ continue;
+ }
+ if (ret == -1) {
+ perror("pwrite");
+ // Dazed and confused, but trying to continue...
+ break;
+ }
+ pos += ret;
+ data += ret;
+ bytes -= ret;
+ }
+
+ wake_up_all_clients();
+}
+
void Stream::wake_up_all_clients()
{
if (to_process.empty()) {
// in the list of clients to wake up when we do.
void put_client_to_sleep(Client *client);
- // We have more data, so mark all clients that are sleeping as ready to go.
- void wake_up_all_clients();
+ // Add more input data to the stream, and wake up all clients that are sleeping.
+ void add_data(const char *data, ssize_t bytes);
private:
Stream(const Stream& other);
+
+ // We have more data, so mark all clients that are sleeping as ready to go.
+ void wake_up_all_clients();
};
#endif // !defined(_STREAM_H)