git.sesse.net Git - cubemap/blob - client.cpp

   1 #include <arpa/inet.h>
   2 #include <netinet/in.h>
   3 #include <stdint.h>
   4 #include <sys/socket.h>
   5
   6 #include "client.h"
   7 #include "log.h"
   8 #include "state.pb.h"
   9 #include "stream.h"
  10
  11 #ifndef SO_MAX_PACING_RATE
  12 #define SO_MAX_PACING_RATE 47
  13 #endif
  14
  15 using namespace std;
  16
  17 Client::Client(int sock)
  18         : sock(sock),
  19           connect_time(time(NULL)),
  20           state(Client::READING_REQUEST),
  21           stream(NULL),
  22           header_or_error_bytes_sent(0),
  23           stream_pos(0),
  24           bytes_sent(0),
  25           bytes_lost(0),
  26           num_loss_events(0)
  27 {
  28         request.reserve(1024);
  29
  30         // Find the remote address, and convert it to ASCII.
  31         sockaddr_in6 addr;
  32         socklen_t addr_len = sizeof(addr);
  33
  34         if (getpeername(sock, reinterpret_cast<sockaddr *>(&addr), &addr_len) == -1) {
  35                 log_perror("getpeername");
  36                 remote_addr = "";
  37                 return;
  38         }
  39
  40         char buf[INET6_ADDRSTRLEN];
  41         if (IN6_IS_ADDR_V4MAPPED(&addr.sin6_addr)) {
  42                 // IPv4 address, really.
  43                 if (inet_ntop(AF_INET, &addr.sin6_addr.s6_addr32[3], buf, sizeof(buf)) == NULL) {
  44                         log_perror("inet_ntop");
  45                         remote_addr = "";
  46                 } else {
  47                         remote_addr = buf;
  48                 }
  49         } else {
  50                 if (inet_ntop(addr.sin6_family, &addr.sin6_addr, buf, sizeof(buf)) == NULL) {
  51                         log_perror("inet_ntop");
  52                         remote_addr = "";
  53                 } else {
  54                         remote_addr = buf;
  55                 }
  56         }
  57 }
  58
  59 Client::Client(const ClientProto &serialized, Stream *stream)
  60         : sock(serialized.sock()),
  61           remote_addr(serialized.remote_addr()),
  62           connect_time(serialized.connect_time()),
  63           state(State(serialized.state())),
  64           request(serialized.request()),
  65           url(serialized.url()),
  66           stream(stream),
  67           header_or_error(serialized.header_or_error()),
  68           header_or_error_bytes_sent(serialized.header_or_error_bytes_sent()),
  69           stream_pos(serialized.stream_pos()),
  70           bytes_sent(serialized.bytes_sent()),
  71           bytes_lost(serialized.bytes_lost()),
  72           num_loss_events(serialized.num_loss_events())
  73 {
  74         if (stream != NULL) {
  75                 if (setsockopt(sock, SOL_SOCKET, SO_MAX_PACING_RATE, &stream->pacing_rate, sizeof(stream->pacing_rate)) == -1) {
  76                         if (stream->pacing_rate != ~0U) {
  77                                 log_perror("setsockopt(SO_MAX_PACING_RATE)");
  78                         }
  79                 }
  80         }
  81 }
  82
  83 ClientProto Client::serialize() const
  84 {
  85         ClientProto serialized;
  86         serialized.set_sock(sock);
  87         serialized.set_remote_addr(remote_addr);
  88         serialized.set_connect_time(connect_time);
  89         serialized.set_state(state);
  90         serialized.set_request(request);
  91         serialized.set_url(url);
  92         serialized.set_header_or_error(header_or_error);
  93         serialized.set_header_or_error_bytes_sent(serialized.header_or_error_bytes_sent());
  94         serialized.set_stream_pos(stream_pos);
  95         serialized.set_bytes_sent(bytes_sent);
  96         serialized.set_bytes_lost(bytes_lost);
  97         serialized.set_num_loss_events(num_loss_events);
  98         return serialized;
  99 }
 100
 101 ClientStats Client::get_stats() const
 102 {
 103         ClientStats stats;
 104         if (url.empty()) {
 105                 stats.url = "-";
 106         } else {
 107                 stats.url = url;
 108         }
 109         stats.sock = sock;
 110         stats.remote_addr = remote_addr;
 111         stats.connect_time = connect_time;
 112         stats.bytes_sent = bytes_sent;
 113         stats.bytes_lost = bytes_lost;
 114         stats.num_loss_events = num_loss_events;
 115         return stats;
 116 }