Пример #1
0
void
cserve2_message_handler(int fd EINA_UNUSED, Fd_Flags flags, void *data)
{
   Client *client = data;
   int len;
   int msgsize;

   if (flags & FD_ERROR)
     {
        ERR("Error on socket for client: %d", client->id);
        goto client_close;
     }

   if (flags & FD_WRITE)
     cserve2_client_deliver(client);

   if (!(flags & FD_READ))
     return;

   if (!client->msg.reading)
     len = cserve2_client_read(client, &msgsize, sizeof(msgsize));
   else
     len = cserve2_client_read(client, &client->msg.buf[client->msg.done],
                               client->msg.size - client->msg.done);

   if (!len)
     {
        INF("Client %d connection closed.", client->id);
        goto client_close;
     }

   if (len < 0)
     {
        if (errno == EAGAIN || errno == EWOULDBLOCK)
          {
             WRN("No data to read but the message handler was called.");
             return;
          }
        WRN("Error when reading message from client: \"%s\"",
            strerror(errno));
        // FIXME: Should we close the connection, or just send an ERROR
        // message?
        goto client_close;
     }

   if (!client->msg.reading)
     _client_msg_allocate_buf(client, msgsize);
   else
     _client_msg_read(client, len);

   return;

client_close:
   if (client->msg.reading)
     _client_msg_free(client);
   cserve2_client_del(client);
}
Пример #2
0
static void
_client_msg_read(Client *client, int done)
{
   client->msg.done += done;
   if (client->msg.done == client->msg.size)
     {
        debug_msg("received", client->msg.buf, client->msg.size);
        _client_msg_parse(client);
        _client_msg_free(client);
     }
}
Пример #3
0
ssize_t
cserve2_client_send(Client *client, const void *data, size_t size)
{
   ssize_t sent;

   debug_msg("sent", data, size);
   if (client->msg.pending)
     {
        eina_binbuf_append_length
           (client->msg.pending, (unsigned char *)data, size);
        return size;
     }

   sent = cserve2_client_write(client, data, size);
   if ((sent < 0) && ((errno != EAGAIN) && (errno != EWOULDBLOCK)))
     {
        // FIXME: Big error when writing on the socket to the client,
        // so we must close the connection to the client and remove
        // its references inside our cache.
        WRN("Error on socket with client %d: %s", client->id, strerror(errno));
        if (client->msg.reading)
          _client_msg_free(client);
        cserve2_client_del(client);
        return sent;
     }
   if (sent < 0)
     sent = 0;
   if (sent < (int)size)
     {
        Fd_Flags cur_flags;
        client->msg.pending = eina_binbuf_new();
        eina_binbuf_append_length
           (client->msg.pending, (unsigned char *)data + sent, size - sent);
        cserve2_fd_watch_flags_get(client->socket, &cur_flags);
        cur_flags |= FD_WRITE;
        cserve2_fd_watch_flags_set(client->socket, cur_flags);
     }
   return size;
}