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 "markpool.h"
   9 #include "state.pb.h"
  10 #include "stream.h"
  11
  12 using namespace std;
  13
  14 Client::Client(int sock)
  15         : sock(sock),
  16           fwmark(0),
  17           connect_time(time(NULL)),
  18           state(Client::READING_REQUEST),
  19           stream(NULL),
  20           header_or_error_bytes_sent(0),
  21           stream_pos(0),
  22           bytes_sent(0),
  23           bytes_lost(0),
  24           num_loss_events(0)
  25 {
  26         request.reserve(1024);
  27
  28         // Find the remote address, and convert it to ASCII.
  29         sockaddr_in6 addr;
  30         socklen_t addr_len = sizeof(addr);
  31
  32         if (getpeername(sock, reinterpret_cast<sockaddr *>(&addr), &addr_len) == -1) {
  33                 log_perror("getpeername");
  34                 remote_addr = "";
  35                 return;
  36         }
  37
  38         char buf[INET6_ADDRSTRLEN];
  39         if (IN6_IS_ADDR_V4MAPPED(&addr.sin6_addr)) {
  40                 // IPv4 address, really.
  41                 if (inet_ntop(AF_INET, &addr.sin6_addr.s6_addr32[3], buf, sizeof(buf)) == NULL) {
  42                         log_perror("inet_ntop");
  43                         remote_addr = "";
  44                 } else {
  45                         remote_addr = buf;
  46                 }
  47         } else {
  48                 if (inet_ntop(addr.sin6_family, &addr.sin6_addr, buf, sizeof(buf)) == NULL) {
  49                         log_perror("inet_ntop");
  50                         remote_addr = "";
  51                 } else {
  52                         remote_addr = buf;
  53                 }
  54         }
  55 }
  56
  57 Client::Client(const ClientProto &serialized, Stream *stream)
  58         : sock(serialized.sock()),
  59           remote_addr(serialized.remote_addr()),
  60           connect_time(serialized.connect_time()),
  61           state(State(serialized.state())),
  62           request(serialized.request()),
  63           url(serialized.url()),
  64           stream(stream),
  65           header_or_error(serialized.header_or_error()),
  66           header_or_error_bytes_sent(serialized.header_or_error_bytes_sent()),
  67           stream_pos(serialized.stream_pos()),
  68           bytes_sent(serialized.bytes_sent()),
  69           bytes_lost(serialized.bytes_lost()),
  70           num_loss_events(serialized.num_loss_events())
  71 {
  72         if (stream != NULL && stream->mark_pool != NULL) {
  73                 fwmark = stream->mark_pool->get_mark();
  74         } else {
  75                 fwmark = 0;  // No mark.
  76         }
  77         if (setsockopt(sock, SOL_SOCKET, SO_MARK, &fwmark, sizeof(fwmark)) == -1) {
  78                 if (fwmark != 0) {
  79                         log_perror("setsockopt(SO_MARK)");
  80                 }
  81                 fwmark = 0;
  82         }
  83 }
  84
  85 ClientProto Client::serialize() const
  86 {
  87         ClientProto serialized;
  88         serialized.set_sock(sock);
  89         serialized.set_remote_addr(remote_addr);
  90         serialized.set_connect_time(connect_time);
  91         serialized.set_state(state);
  92         serialized.set_request(request);
  93         serialized.set_url(url);
  94         serialized.set_header_or_error(header_or_error);
  95         serialized.set_header_or_error_bytes_sent(serialized.header_or_error_bytes_sent());
  96         serialized.set_stream_pos(stream_pos);
  97         serialized.set_bytes_sent(bytes_sent);
  98         serialized.set_bytes_lost(bytes_lost);
  99         serialized.set_num_loss_events(num_loss_events);
 100         return serialized;
 101 }
 102
 103 ClientStats Client::get_stats() const
 104 {
 105         ClientStats stats;
 106         if (url.empty()) {
 107                 stats.url = "-";
 108         } else {
 109                 stats.url = url;
 110         }
 111         stats.sock = sock;
 112         stats.fwmark = fwmark;
 113         stats.remote_addr = remote_addr;
 114         stats.connect_time = connect_time;
 115         stats.bytes_sent = bytes_sent;
 116         stats.bytes_lost = bytes_lost;
 117         stats.num_loss_events = num_loss_events;
 118         return stats;
 119 }