Beispiel #1
0
/*****************************************************************************
 * Run : call Handshake() then submit songs
 *****************************************************************************/
static void *Run(void *data)
{
    intf_thread_t          *p_intf = data;
    uint8_t                 p_buffer[1024];
    int                     canc = vlc_savecancel();
    bool                    b_handshaked = false;

    /* data about audioscrobbler session */
    mtime_t                 next_exchange = -1; /**< when can we send data  */
    unsigned int            i_interval = 0;     /**< waiting interval (secs)*/

    intf_sys_t *p_sys = p_intf->p_sys;

    /* main loop */
    for (;;)
    {
        vlc_restorecancel(canc);
        vlc_mutex_lock(&p_sys->lock);
        mutex_cleanup_push(&p_sys->lock);

        do
            vlc_cond_wait(&p_sys->wait, &p_sys->lock);
        while (mdate() < next_exchange);

        vlc_cleanup_run();
        canc = vlc_savecancel();

        /* handshake if needed */
        if (!b_handshaked)
        {
            msg_Dbg(p_intf, "Handshaking with last.fm ...");

            switch(Handshake(p_intf))
            {
                case VLC_ENOMEM:
                    goto out;

                case VLC_ENOVAR:
                    /* username not set */
                    dialog_Fatal(p_intf,
                        _("Last.fm username not set"),
                        "%s", _("Please set a username or disable the "
                        "audioscrobbler plugin, and restart VLC.\n"
                        "Visit http://www.last.fm/join/ to get an account."));
                    goto out;

                case VLC_SUCCESS:
                    msg_Dbg(p_intf, "Handshake successful :)");
                    b_handshaked = true;
                    i_interval = 0;
                    next_exchange = mdate();
                    break;

                case VLC_AUDIOSCROBBLER_EFATAL:
                    msg_Warn(p_intf, "Exiting...");
                    goto out;

                case VLC_EGENERIC:
                default:
                    /* protocol error : we'll try later */
                    HandleInterval(&next_exchange, &i_interval);
                    break;
            }
            /* if handshake failed let's restart the loop */
            if (!b_handshaked)
                continue;
        }

        msg_Dbg(p_intf, "Going to submit some data...");
        char *psz_submit;
        if (asprintf(&psz_submit, "s=%s", p_sys->psz_auth_token) == -1)
            break;

        /* forge the HTTP POST request */
        vlc_mutex_lock(&p_sys->lock);
        audioscrobbler_song_t *p_song;
        for (int i_song = 0 ; i_song < p_sys->i_songs ; i_song++)
        {
            char *psz_submit_song, *psz_submit_tmp;
            p_song = &p_sys->p_queue[i_song];
            if (asprintf(&psz_submit_song,
                    "&a%%5B%d%%5D=%s"
                    "&t%%5B%d%%5D=%s"
                    "&i%%5B%d%%5D=%u"
                    "&o%%5B%d%%5D=P"
                    "&r%%5B%d%%5D="
                    "&l%%5B%d%%5D=%d"
                    "&b%%5B%d%%5D=%s"
                    "&n%%5B%d%%5D=%s"
                    "&m%%5B%d%%5D=%s",
                    i_song, p_song->psz_a,
                    i_song, p_song->psz_t,
                    i_song, (unsigned)p_song->date, /* HACK: %ju (uintmax_t) unsupported on Windows */
                    i_song,
                    i_song,
                    i_song, p_song->i_l,
                    i_song, p_song->psz_b,
                    i_song, p_song->psz_n,
                    i_song, p_song->psz_m
           ) == -1)
            {   /* Out of memory */
                vlc_mutex_unlock(&p_sys->lock);
                goto out;
            }
            psz_submit_tmp = psz_submit;
            if (asprintf(&psz_submit, "%s%s",
                    psz_submit_tmp, psz_submit_song) == -1)
            {   /* Out of memory */
                free(psz_submit_tmp);
                free(psz_submit_song);
                vlc_mutex_unlock(&p_sys->lock);
                goto out;
            }
            free(psz_submit_song);
            free(psz_submit_tmp);
        }
        vlc_mutex_unlock(&p_sys->lock);

        int i_post_socket = net_ConnectTCP(p_intf, p_sys->p_submit_url.psz_host,
                                        p_sys->p_submit_url.i_port);

        if (i_post_socket == -1)
        {
            /* If connection fails, we assume we must handshake again */
            HandleInterval(&next_exchange, &i_interval);
            b_handshaked = false;
            free(psz_submit);
            continue;
        }

        /* we transmit the data */
        int i_net_ret = net_Printf(p_intf, i_post_socket, NULL,
            "POST %s HTTP/1.1\n"
            "Accept-Encoding: identity\n"
            "Content-length: %zu\n"
            "Connection: close\n"
            "Content-type: application/x-www-form-urlencoded\n"
            "Host: %s\n"
            "User-agent: VLC media player/"VERSION"\r\n"
            "\r\n"
            "%s\r\n"
            "\r\n",
            p_sys->p_submit_url.psz_path, strlen(psz_submit),
            p_sys->p_submit_url.psz_host, psz_submit
       );

        free(psz_submit);
        if (i_net_ret == -1)
        {
            /* If connection fails, we assume we must handshake again */
            HandleInterval(&next_exchange, &i_interval);
            b_handshaked = false;
            continue;
        }

        i_net_ret = net_Read(p_intf, i_post_socket, NULL,
                    p_buffer, sizeof(p_buffer) - 1, false);
        if (i_net_ret <= 0)
        {
            /* if we get no answer, something went wrong : try again */
            continue;
        }

        net_Close(i_post_socket);
        p_buffer[i_net_ret] = '\0';

        char *failed = strstr((char *) p_buffer, "FAILED");
        if (failed)
        {
            msg_Warn(p_intf, "%s", failed);
            HandleInterval(&next_exchange, &i_interval);
            continue;
        }

        if (strstr((char *) p_buffer, "BADSESSION"))
        {
            msg_Err(p_intf, "Authentication failed (BADSESSION), are you connected to last.fm with another program ?");
            b_handshaked = false;
            HandleInterval(&next_exchange, &i_interval);
            continue;
        }

        if (strstr((char *) p_buffer, "OK"))
        {
            for (int i = 0; i < p_sys->i_songs; i++)
                DeleteSong(&p_sys->p_queue[i]);
            p_sys->i_songs = 0;
            i_interval = 0;
            next_exchange = mdate();
            msg_Dbg(p_intf, "Submission successful!");
        }
        else
        {
            msg_Err(p_intf, "Authentication failed, handshaking again (%s)",
                             p_buffer);
            b_handshaked = false;
            HandleInterval(&next_exchange, &i_interval);
        }
    }
out:
    vlc_restorecancel(canc);
    return NULL;
}
/*****************************************************************************
 * Run : call Handshake() then submit songs
 *****************************************************************************/
static void Run( intf_thread_t *p_intf )
{
    char                    *psz_submit, *psz_submit_song, *psz_submit_tmp;
    int                     i_net_ret;
    int                     i_song;
    uint8_t                 p_buffer[1024];
    char                    *p_buffer_pos;
    int                     i_post_socket;
    int                     canc = vlc_savecancel();

    intf_sys_t *p_sys = p_intf->p_sys;

    /* main loop */
    for( ;; )
    {
        bool b_wait = false;


        vlc_restorecancel( canc );
        vlc_mutex_lock( &p_sys->lock );
        mutex_cleanup_push( &p_sys->lock );

        if( mdate() < p_sys->next_exchange )
            /* wait until we can resubmit, i.e.  */
            b_wait = vlc_cond_timedwait( &p_sys->wait, &p_sys->lock,
                                          p_sys->next_exchange ) == 0;
        else
            /* wait for data to submit */
            /* we are signaled each time there is a song to submit */
            vlc_cond_wait( &p_sys->wait, &p_sys->lock );
        vlc_cleanup_run();
        canc = vlc_savecancel();

        if( b_wait )
            continue; /* holding on until next_exchange */

        /* handshake if needed */
        if( !p_sys->b_handshaked )
        {
            msg_Dbg( p_intf, "Handshaking with last.fm ..." );

            switch( Handshake( p_intf ) )
            {
                case VLC_ENOMEM:
                    return;

                case VLC_ENOVAR:
                    /* username not set */
                    dialog_Fatal( p_intf,
                        _("Last.fm username not set"),
                        "%s", _("Please set a username or disable the "
                        "audioscrobbler plugin, and restart VLC.\n"
                        "Visit http://www.last.fm/join/ to get an account.")
                    );
                    return;

                case VLC_SUCCESS:
                    msg_Dbg( p_intf, "Handshake successfull :)" );
                    p_sys->b_handshaked = true;
                    p_sys->i_interval = 0;
                    p_sys->next_exchange = mdate();
                    break;

                case VLC_AUDIOSCROBBLER_EFATAL:
                    msg_Warn( p_intf, "Exiting..." );
                    return;

                case VLC_EGENERIC:
                default:
                    /* protocol error : we'll try later */
                    HandleInterval( &p_sys->next_exchange, &p_sys->i_interval );
                    break;
            }
            /* if handshake failed let's restart the loop */
            if( !p_sys->b_handshaked )
                continue;
        }

        msg_Dbg( p_intf, "Going to submit some data..." );

        /* The session may be invalid if there is a trailing \n */
        char *psz_ln = strrchr( p_sys->psz_auth_token, '\n' );
        if( psz_ln )
            *psz_ln = '\0';

        if( !asprintf( &psz_submit, "s=%s", p_sys->psz_auth_token ) )
        {   /* Out of memory */
            return;
        }

        /* forge the HTTP POST request */
        vlc_mutex_lock( &p_sys->lock );
        audioscrobbler_song_t *p_song;
        for( i_song = 0 ; i_song < p_sys->i_songs ; i_song++ )
        {
            p_song = &p_sys->p_queue[i_song];
            if( !asprintf( &psz_submit_song,
                    "&a%%5B%d%%5D=%s"
                    "&t%%5B%d%%5D=%s"
                    "&i%%5B%d%%5D=%u"
                    "&o%%5B%d%%5D=P"
                    "&r%%5B%d%%5D="
                    "&l%%5B%d%%5D=%d"
                    "&b%%5B%d%%5D=%s"
                    "&n%%5B%d%%5D=%s"
                    "&m%%5B%d%%5D=%s",
                    i_song, p_song->psz_a,
                    i_song, p_song->psz_t,
                    i_song, (unsigned)p_song->date, /* HACK: %ju (uintmax_t) unsupported on Windows */
                    i_song,
                    i_song,
                    i_song, p_song->i_l,
                    i_song, p_song->psz_b,
                    i_song, p_song->psz_n,
                    i_song, p_song->psz_m
            ) )
            {   /* Out of memory */
                vlc_mutex_unlock( &p_sys->lock );
                return;
            }
            psz_submit_tmp = psz_submit;
            if( !asprintf( &psz_submit, "%s%s",
                    psz_submit_tmp, psz_submit_song ) )
            {   /* Out of memory */
                free( psz_submit_tmp );
                free( psz_submit_song );
                vlc_mutex_unlock( &p_sys->lock );
                return;
            }
            free( psz_submit_song );
            free( psz_submit_tmp );
        }
        vlc_mutex_unlock( &p_sys->lock );

        i_post_socket = net_ConnectTCP( p_intf,
            p_sys->psz_submit_host, p_sys->i_submit_port );

        if ( i_post_socket == -1 )
        {
            /* If connection fails, we assume we must handshake again */
            HandleInterval( &p_sys->next_exchange, &p_sys->i_interval );
            p_sys->b_handshaked = false;
            free( psz_submit );
            continue;
        }

        /* we transmit the data */
        i_net_ret = net_Printf(
            p_intf, i_post_socket, NULL,
            POST_REQUEST, p_sys->psz_submit_file,
            (unsigned)strlen( psz_submit ), p_sys->psz_submit_host,
            VERSION, psz_submit
        );

        free( psz_submit );
        if ( i_net_ret == -1 )
        {
            /* If connection fails, we assume we must handshake again */
            HandleInterval( &p_sys->next_exchange, &p_sys->i_interval );
            p_sys->b_handshaked = false;
            continue;
        }

        i_net_ret = net_Read( p_intf, i_post_socket, NULL,
                    p_buffer, 1023, false );
        if ( i_net_ret <= 0 )
        {
            /* if we get no answer, something went wrong : try again */
            continue;
        }

        net_Close( i_post_socket );
        p_buffer[i_net_ret] = '\0';

        p_buffer_pos = strstr( ( char * ) p_buffer, "FAILED" );
        if ( p_buffer_pos )
        {
            msg_Warn( p_intf, "%s", p_buffer_pos );
            HandleInterval( &p_sys->next_exchange, &p_sys->i_interval );
            continue;
        }

        p_buffer_pos = strstr( ( char * ) p_buffer, "BADSESSION" );
        if ( p_buffer_pos )
        {
            msg_Err( p_intf, "Authentication failed (BADSESSION), are you connected to last.fm with another program ?" );
            p_sys->b_handshaked = false;
            HandleInterval( &p_sys->next_exchange, &p_sys->i_interval );
            continue;
        }

        p_buffer_pos = strstr( ( char * ) p_buffer, "OK" );
        if ( p_buffer_pos )
        {
            int i;
            for( i = 0; i < p_sys->i_songs; i++ )
                DeleteSong( &p_sys->p_queue[i] );
            p_sys->i_songs = 0;
            p_sys->i_interval = 0;
            p_sys->next_exchange = mdate();
            msg_Dbg( p_intf, "Submission successful!" );
        }
        else
        {
            msg_Err( p_intf, "Authentication failed, handshaking again (%s)", 
                             p_buffer );
            p_sys->b_handshaked = false;
            HandleInterval( &p_sys->next_exchange, &p_sys->i_interval );
            continue;
        }
    }
    vlc_restorecancel( canc );
}
Beispiel #3
0
/*****************************************************************************
 * Run : call Handshake() then submit songs
 *****************************************************************************/
static void *Run(void *data)
{
    intf_thread_t          *p_intf = data;
    uint8_t                 p_buffer[1024];
    int                     canc = vlc_savecancel();
    bool                    b_handshaked = false;
    bool                    b_nowp_submission_ongoing = false;

    /* data about audioscrobbler session */
    mtime_t                 next_exchange = 0; /**< when can we send data  */
    unsigned int            i_interval = 0;     /**< waiting interval (secs)*/

    intf_sys_t *p_sys = p_intf->p_sys;

    /* main loop */
    for (;;)
    {
        vlc_restorecancel(canc);
        mwait(next_exchange);

        vlc_mutex_lock(&p_sys->lock);
        mutex_cleanup_push(&p_sys->lock);

        while (p_sys->i_songs == 0 && p_sys->b_submit_nowp == false)
            vlc_cond_wait(&p_sys->wait, &p_sys->lock);

        vlc_cleanup_pop();
        vlc_mutex_unlock(&p_sys->lock);
        canc = vlc_savecancel();

        /* handshake if needed */
        if (!b_handshaked)
        {
            msg_Dbg(p_intf, "Handshaking with last.fm ...");

            switch(Handshake(p_intf))
            {
                case VLC_ENOMEM:
                    goto out;

                case VLC_ENOVAR:
                    /* username not set */
                    vlc_dialog_display_error(p_intf,
                        _("Last.fm username not set"),
                        "%s", _("Please set a username or disable the "
                        "audioscrobbler plugin, and restart VLC.\n"
                        "Visit http://www.last.fm/join/ to get an account."));
                    goto out;

                case VLC_SUCCESS:
                    msg_Dbg(p_intf, "Handshake successful :)");
                    b_handshaked = true;
                    i_interval = 0;
                    next_exchange = 0;
                    break;

                case VLC_AUDIOSCROBBLER_EFATAL:
                    msg_Warn(p_intf, "Exiting...");
                    goto out;

                case VLC_EGENERIC:
                default:
                    /* protocol error : we'll try later */
                    HandleInterval(&next_exchange, &i_interval);
                    break;
            }
            /* if handshake failed let's restart the loop */
            if (!b_handshaked)
                continue;
        }

        msg_Dbg(p_intf, "Going to submit some data...");
        char *psz_submit;
        vlc_url_t *url;
        char *psz_submit_song, *psz_submit_tmp;

        if (asprintf(&psz_submit, "s=%s", p_sys->psz_auth_token) == -1)
            break;

        /* forge the HTTP POST request */
        vlc_mutex_lock(&p_sys->lock);

        if (p_sys->b_submit_nowp)
        {
            b_nowp_submission_ongoing = true;
            url = &p_sys->p_nowp_url;
            if (asprintf(&psz_submit_song,
                "&a=%s"
                "&t=%s"
                "&b=%s"
                "&l=%d"
                "&n=%s"
                "&m=%s",
                p_sys->p_current_song.psz_a,
                p_sys->p_current_song.psz_t,
                p_sys->p_current_song.psz_b ? p_sys->p_current_song.psz_b : "",
                p_sys->p_current_song.i_l,
                p_sys->p_current_song.psz_n ? p_sys->p_current_song.psz_n : "",
                p_sys->p_current_song.psz_m ? p_sys->p_current_song.psz_m : ""
                ) == -1)
            {   /* Out of memory */
                vlc_mutex_unlock(&p_sys->lock);
                goto out;
            }

        }
        else
        {
            url = &p_sys->p_submit_url;
            audioscrobbler_song_t *p_song;
            for (int i_song = 0 ; i_song < p_sys->i_songs ; i_song++)
            {
                p_song = &p_sys->p_queue[i_song];
                if (asprintf(&psz_submit_song,
                        "&a%%5B%d%%5D=%s"
                        "&t%%5B%d%%5D=%s"
                        "&i%%5B%d%%5D=%u"
                        "&o%%5B%d%%5D=P"
                        "&r%%5B%d%%5D="
                        "&l%%5B%d%%5D=%d"
                        "&b%%5B%d%%5D=%s"
                        "&n%%5B%d%%5D=%s"
                        "&m%%5B%d%%5D=%s",
                        i_song, p_song->psz_a,
                        i_song, p_song->psz_t,
                        i_song, (unsigned)p_song->date, /* HACK: %ju (uintmax_t) unsupported on Windows */
                        i_song,
                        i_song,
                        i_song, p_song->i_l,
                        i_song, p_song->psz_b ? p_song->psz_b : "",
                        i_song, p_song->psz_n ? p_song->psz_n : "",
                        i_song, p_song->psz_m ? p_song->psz_m : ""
                       ) == -1)
                {   /* Out of memory */
                        vlc_mutex_unlock(&p_sys->lock);
                        goto out;
                }
            }
        }

        psz_submit_tmp = psz_submit;
        int print_ret = asprintf(&psz_submit, "%s%s",
                                 psz_submit_tmp, psz_submit_song);
        free(psz_submit_tmp);
        free(psz_submit_song);
        vlc_mutex_unlock(&p_sys->lock);

        if (print_ret == -1)
        {   /* Out of memory */
            goto out;
        }

        int i_post_socket = net_ConnectTCP(p_intf, url->psz_host,
                                        url->i_port);

        if (i_post_socket == -1)
        {
            /* If connection fails, we assume we must handshake again */
            HandleInterval(&next_exchange, &i_interval);
            b_handshaked = false;
            free(psz_submit);
            continue;
        }

        /* we transmit the data */
        int i_net_ret = net_Printf(p_intf, i_post_socket,
            "POST %s HTTP/1.1\r\n"
            "Host: %s\r\n"
            "User-Agent: "PACKAGE_NAME"/"PACKAGE_VERSION"\r\n"
            "Connection: close\r\n"
            "Accept-Encoding: identity\r\n"
            "Content-Type: application/x-www-form-urlencoded\r\n"
            "Content-Length: %zu\r\n"
            "\r\n"
            "%s\r\n"
            "\r\n",
            url->psz_path, url->psz_host, strlen(psz_submit), psz_submit);

        free(psz_submit);
        if (i_net_ret == -1)
        {
            /* If connection fails, we assume we must handshake again */
            HandleInterval(&next_exchange, &i_interval);
            b_handshaked = false;
            net_Close(i_post_socket);
            continue;
        }

        /* FIXME: this might wait forever */
        struct pollfd ufd = { .fd = i_post_socket, .events = POLLIN };
        while( poll( &ufd, 1, -1 ) == -1 );

        /* FIXME: With TCP, you should never assume that a single read will
         * return the entire response... */
        i_net_ret = recv(i_post_socket, p_buffer, sizeof(p_buffer) - 1, 0);
        if (i_net_ret <= 0)
        {
            /* if we get no answer, something went wrong : try again */
            net_Close(i_post_socket);
            continue;
        }

        net_Close(i_post_socket);
        p_buffer[i_net_ret] = '\0';

        char *failed = strstr((char *) p_buffer, "FAILED");
        if (failed)
        {
            msg_Warn(p_intf, "%s", failed);
            HandleInterval(&next_exchange, &i_interval);
            continue;
        }

        if (strstr((char *) p_buffer, "BADSESSION"))
        {
            msg_Err(p_intf, "Authentication failed (BADSESSION), are you connected to last.fm with another program ?");
            b_handshaked = false;
            HandleInterval(&next_exchange, &i_interval);
            continue;
        }

        if (strstr((char *) p_buffer, "OK"))
        {
            if (b_nowp_submission_ongoing)
            {
                b_nowp_submission_ongoing = false;
                p_sys->b_submit_nowp = false;
            }
            else
            {
                for (int i = 0; i < p_sys->i_songs; i++)
                    DeleteSong(&p_sys->p_queue[i]);
                p_sys->i_songs = 0;
            }

            i_interval = 0;
            next_exchange = 0;
            msg_Dbg(p_intf, "Submission successful!");
        }
        else
        {
            msg_Err(p_intf, "Authentication failed, handshaking again (%s)",
                             p_buffer);
            b_handshaked = false;
            HandleInterval(&next_exchange, &i_interval);
        }
    }
out:
    vlc_restorecancel(canc);
    return NULL;
}
Beispiel #4
0
/*****************************************************************************
 * Run : call Handshake() then submit items
 *****************************************************************************/
static void Run(intf_thread_t *p_intf)
{

    msg_Dbg(p_intf, "Entering Run()");

    uint8_t                 p_buffer[1024];
    int                     parse_url_ret;
    int                     canc = vlc_savecancel();

    char                    *psz_scrobbler_url;

    mtime_t                 next_exchange;      /**< when can we send data  */
    unsigned int            i_interval;         /**< waiting interval (secs)*/

    intf_sys_t *p_sys = p_intf->p_sys;

    psz_scrobbler_url = var_InheritString(p_intf, "mediascrobbler-url");
    if(!psz_scrobbler_url)
      return;

    msg_Dbg(p_intf, "Scrobbler URL: %s", psz_scrobbler_url);

    /* main loop */
    for (;;)
    {
        vlc_restorecancel(canc);
        vlc_mutex_lock(&p_sys->lock);
        mutex_cleanup_push(&p_sys->lock);

        msg_Dbg(p_intf, "Next exchange %lld (current: %lld)",
            next_exchange, mdate());

        do {
            vlc_cond_wait(&p_sys->wait, &p_sys->lock);
        } while (mdate() < next_exchange);

        vlc_cleanup_run();
        canc = vlc_savecancel();

        msg_Dbg(p_intf, "Going to submit some data...");
        char *psz_submit;
        if (asprintf(&psz_submit, "s=%s", psz_scrobbler_url) == -1)
            return;

        msg_Dbg(p_intf, "Going to parse URL (%s)", psz_scrobbler_url);
        parse_url_ret = ParseURL(psz_scrobbler_url, &p_sys->psz_submit_host,
                                &p_sys->psz_submit_file, &p_sys->i_submit_port);

        if(parse_url_ret != VLC_SUCCESS) {
            msg_Err(p_intf, "Couldn't process URL, can't continue");
            return;
        }

        msg_Dbg(p_intf, "Submit Host: %s", p_sys->psz_submit_host);

        msg_Dbg(p_intf, "Preparing to submit %d items", p_sys->i_items);

        /* forge the HTTP POST request */
        vlc_mutex_lock(&p_sys->lock);
        mediascrobbler_item_t *p_item;
        for (int i_item = 0 ; i_item < p_sys->i_items ; i_item++)
        {
            char *psz_submit_item, *psz_submit_tmp;
            p_item = &p_sys->p_queue[i_item];
            if (asprintf(&psz_submit_item,
                    "&n%%5B%d%%5D=%s"
                    "&u%%5B%d%%5D=%s"
                    "&d%%5B%d%%5D=%ju"
                    "&l%%5B%d%%5D=%d",
                    i_item, p_item->psz_n,
                    i_item, p_item->psz_u,
                    i_item, p_item->date,
                    i_item, p_item->i_l
           ) == -1)
            {   /* Out of memory */
                vlc_mutex_unlock(&p_sys->lock);
                return;
            }
            psz_submit_tmp = psz_submit;
            if (asprintf(&psz_submit, "%s%s",
                    psz_submit_tmp, psz_submit_item) == -1)
            {   /* Out of memory */
                free(psz_submit_tmp);
                free(psz_submit_item);
                vlc_mutex_unlock(&p_sys->lock);
                return;
            }
            free(psz_submit_item);
            free(psz_submit_tmp);
        }
        vlc_mutex_unlock(&p_sys->lock);

        int i_post_socket = net_ConnectTCP(p_intf, p_sys->psz_submit_host, p_sys->i_submit_port);

        if (i_post_socket == -1)
        {
            msg_Warn(p_intf, "Couldn't talk to the API, waiting to try again. (%d)", i_interval);
            HandleInterval(&next_exchange, &i_interval);
            free(psz_submit);
            continue;
        }

        /* we transmit the data */
        int i_net_ret = net_Printf(p_intf, i_post_socket, NULL,
            "POST %s HTTP/1.1\r\n"
            "Accept-Encoding: identity\r\n"
            "Content-length: %zu\r\n"
            "Connection: close\r\n"
            "Content-type: application/x-www-form-urlencoded\r\n"
            "Host: %s\r\n"
            "User-agent: VLC media player/"VERSION"\r\n"
            "\r\n"
            "%s\r\n"
            "\r\n",
            p_sys->psz_submit_file, strlen(psz_submit),
            p_sys->psz_submit_host, psz_submit
       );

        free(psz_submit);
        if (i_net_ret == -1)
        {
            /* If connection fails, back off the timer, and try again */
            HandleInterval(&next_exchange, &i_interval);
            continue;
        }

        i_net_ret = net_Read(p_intf, i_post_socket, NULL,
                    p_buffer, sizeof(p_buffer) - 1, false);
        if (i_net_ret <= 0)
        {
            /* if we get no answer, something went wrong : try again */
            continue;
        }

        net_Close(i_post_socket);
        p_buffer[i_net_ret] = '\0';

        char *failed = strstr((char *) p_buffer, "FAILED");
        if (failed)
        {
            msg_Warn(p_intf, "%s", failed);
            HandleInterval(&next_exchange, &i_interval);
            continue;
        }

        if (strstr((char *) p_buffer, "BADAPIKEY"))
        {
            msg_Err(p_intf, "Authentication failed (BADAPIKEY), are you sure your API key is valid?");
            HandleInterval(&next_exchange, &i_interval);
            continue;
        }

        if (strstr((char *) p_buffer, "OK"))
        {
            for (int i = 0; i < p_sys->i_items; i++)
                DeleteItem(&p_sys->p_queue[i]);
            p_sys->i_items = 0;
            i_interval = 0;
            next_exchange = mdate();
            msg_Dbg(p_intf, "Submission successful!");
        }
        else
        {
            msg_Err(p_intf, "Authentication failed, trying again (%s)",
                             p_buffer);
            HandleInterval(&next_exchange, &i_interval);
        }
    }
    vlc_restorecancel(canc);
}
Beispiel #5
0
/*****************************************************************************
 * Run : call Handshake() then submit songs
 *****************************************************************************/
static void *Run(void *data)
{
    intf_thread_t          *p_intf = data;
    uint8_t                 p_buffer[1024];
    int                     canc = vlc_savecancel();
    bool                    b_handshaked = false;
    bool                    b_nowp_submission_ongoing = false;

    /* data about audioscrobbler session */
    vlc_tick_t              next_exchange = VLC_TICK_INVALID; /**< when can we send data  */
    unsigned int            i_interval = 0;     /**< waiting interval (secs)*/

    intf_sys_t *p_sys = p_intf->p_sys;

    /* main loop */
    for (;;)
    {
        vlc_restorecancel(canc);
        if (next_exchange != VLC_TICK_INVALID)
            vlc_tick_wait(next_exchange);

        vlc_mutex_lock(&p_sys->lock);
        mutex_cleanup_push(&p_sys->lock);

        while (p_sys->i_songs == 0 && p_sys->b_submit_nowp == false)
            vlc_cond_wait(&p_sys->wait, &p_sys->lock);

        vlc_cleanup_pop();
        vlc_mutex_unlock(&p_sys->lock);
        canc = vlc_savecancel();

        /* handshake if needed */
        if (!b_handshaked)
        {
            msg_Dbg(p_intf, "Handshaking with last.fm ...");

            switch(Handshake(p_intf))
            {
                case VLC_ENOMEM:
                    goto out;

                case VLC_ENOVAR:
                    /* username not set */
                    vlc_dialog_display_error(p_intf,
                        _("Last.fm username not set"),
                        "%s", _("Please set a username or disable the "
                        "audioscrobbler plugin, and restart VLC.\n"
                        "Visit http://www.last.fm/join/ to get an account."));
                    goto out;

                case VLC_SUCCESS:
                    msg_Dbg(p_intf, "Handshake successful :)");
                    b_handshaked = true;
                    i_interval = 0;
                    next_exchange = VLC_TICK_INVALID;
                    break;

                case VLC_AUDIOSCROBBLER_EFATAL:
                    msg_Warn(p_intf, "Exiting...");
                    goto out;

                case VLC_EGENERIC:
                default:
                    /* protocol error : we'll try later */
                    HandleInterval(&next_exchange, &i_interval);
                    break;
            }
            /* if handshake failed let's restart the loop */
            if (!b_handshaked)
                continue;
        }

        msg_Dbg(p_intf, "Going to submit some data...");
        vlc_url_t *url;
        struct vlc_memstream req, payload;

        vlc_memstream_open(&payload);
        vlc_memstream_printf(&payload, "s=%s", p_sys->psz_auth_token);

        /* forge the HTTP POST request */
        vlc_mutex_lock(&p_sys->lock);

        if (p_sys->b_submit_nowp)
        {
            audioscrobbler_song_t *p_song = &p_sys->p_current_song;

            b_nowp_submission_ongoing = true;
            url = &p_sys->p_nowp_url;

            vlc_memstream_printf(&payload, "&a=%s", p_song->psz_a);
            vlc_memstream_printf(&payload, "&t=%s", p_song->psz_t);
            vlc_memstream_puts(&payload, "&b=");
            if (p_song->psz_b != NULL)
                vlc_memstream_puts(&payload, p_song->psz_b);
            vlc_memstream_printf(&payload, "&l=%d", p_song->i_l);
            vlc_memstream_puts(&payload, "&n=");
            if (p_song->psz_n != NULL)
                vlc_memstream_puts(&payload, p_song->psz_n);
            vlc_memstream_puts(&payload, "&m=");
            if (p_song->psz_m != NULL)
                vlc_memstream_puts(&payload, p_song->psz_m);
        }
        else
        {
            url = &p_sys->p_submit_url;

            for (int i_song = 0 ; i_song < p_sys->i_songs ; i_song++)
            {
                audioscrobbler_song_t *p_song = &p_sys->p_queue[i_song];

                vlc_memstream_printf(&payload, "&a%%5B%d%%5D=%s",
                                     i_song, p_song->psz_a);
                vlc_memstream_printf(&payload, "&t%%5B%d%%5D=%s",
                                     i_song, p_song->psz_t);
                vlc_memstream_printf(&payload, "&i%%5B%d%%5D=%"PRIu64,
                                     i_song, (uint64_t)p_song->date);
                vlc_memstream_printf(&payload, "&o%%5B%d%%5D=P", i_song);
                vlc_memstream_printf(&payload, "&r%%5B%d%%5D=", i_song);
                vlc_memstream_printf(&payload, "&l%%5B%d%%5D=%d",
                                     i_song, p_song->i_l);
                vlc_memstream_printf(&payload, "&b=%%5B%d%%5D=", i_song);
                if (p_song->psz_b != NULL)
                    vlc_memstream_puts(&payload, p_song->psz_b);
                vlc_memstream_printf(&payload, "&n=%%5B%d%%5D=", i_song);
                if (p_song->psz_n != NULL)
                    vlc_memstream_puts(&payload, p_song->psz_n);
                vlc_memstream_printf(&payload, "&m=%%5B%d%%5D=", i_song);
                if (p_song->psz_m != NULL)
                    vlc_memstream_puts(&payload, p_song->psz_m);
            }
        }

        vlc_mutex_unlock(&p_sys->lock);

        if (vlc_memstream_close(&payload))
            goto out;

        vlc_memstream_open(&req);
        vlc_memstream_printf(&req, "POST %s HTTP/1.1\r\n", url->psz_path);
        vlc_memstream_printf(&req, "Host: %s\r\n", url->psz_host);
        vlc_memstream_puts(&req, "User-Agent:"
                                 " "PACKAGE_NAME"/"PACKAGE_VERSION"\r\n");
        vlc_memstream_puts(&req, "Connection: close\r\n");
        vlc_memstream_puts(&req, "Accept-Encoding: identity\r\n");
        vlc_memstream_puts(&req, "Content-Type:"
                                 " application/x-www-form-urlencoded\r\n");
        vlc_memstream_printf(&req, "Content-Length: %zu\r\n", payload.length);
        vlc_memstream_puts(&req, "\r\n");
        /* Could avoid copying payload with iovec... but efforts */
        vlc_memstream_write(&req, payload.ptr, payload.length);
        vlc_memstream_puts(&req, "\r\n\r\n");
        free(payload.ptr);

        if (vlc_memstream_close(&req)) /* Out of memory */
            goto out;

        vlc_tls_t *sock = vlc_tls_SocketOpenTCP(VLC_OBJECT(p_intf),
                                                url->psz_host, url->i_port);
        if (sock == NULL)
        {
            /* If connection fails, we assume we must handshake again */
            HandleInterval(&next_exchange, &i_interval);
            b_handshaked = false;
            free(req.ptr);
            continue;
        }

        /* we transmit the data */
        int i_net_ret = vlc_tls_Write(sock, req.ptr, req.length);
        free(req.ptr);
        if (i_net_ret == -1)
        {
            /* If connection fails, we assume we must handshake again */
            HandleInterval(&next_exchange, &i_interval);
            b_handshaked = false;
            vlc_tls_Close(sock);
            continue;
        }

        /* FIXME: this might wait forever */
        /* FIXME: With TCP, you should never assume that a single read will
         * return the entire response... */
        i_net_ret = vlc_tls_Read(sock, p_buffer, sizeof(p_buffer) - 1, false);
        vlc_tls_Close(sock);
        if (i_net_ret <= 0)
        {
            /* if we get no answer, something went wrong : try again */
            continue;
        }
        p_buffer[i_net_ret] = '\0';

        char *failed = strstr((char *) p_buffer, "FAILED");
        if (failed)
        {
            msg_Warn(p_intf, "%s", failed);
            HandleInterval(&next_exchange, &i_interval);
            continue;
        }

        if (strstr((char *) p_buffer, "BADSESSION"))
        {
            msg_Err(p_intf, "Authentication failed (BADSESSION), are you connected to last.fm with another program ?");
            b_handshaked = false;
            HandleInterval(&next_exchange, &i_interval);
            continue;
        }

        if (strstr((char *) p_buffer, "OK"))
        {
            if (b_nowp_submission_ongoing)
            {
                b_nowp_submission_ongoing = false;
                p_sys->b_submit_nowp = false;
            }
            else
            {
                for (int i = 0; i < p_sys->i_songs; i++)
                    DeleteSong(&p_sys->p_queue[i]);
                p_sys->i_songs = 0;
            }

            i_interval = 0;
            next_exchange = VLC_TICK_INVALID;
            msg_Dbg(p_intf, "Submission successful!");
        }
        else
        {
            msg_Err(p_intf, "Authentication failed, handshaking again (%s)",
                             p_buffer);
            b_handshaked = false;
            HandleInterval(&next_exchange, &i_interval);
        }
    }
out:
    vlc_restorecancel(canc);
    return NULL;
}