/** \brief callback notified by \ref socket_full_t when a connection is established
*/
bool http_sresp_cnx_t::neoip_socket_full_event_cb(void *userptr, socket_full_t &cb_socket_full
, const socket_event_t &socket_event) throw()
{
// log to debug
KLOG_DBG("enter event=" << socket_event);
// sanity check - the event MUST be full_ok
DBG_ASSERT( socket_event.is_full_ok() );
// handle the fatal events
if( socket_event.is_fatal() ) return autodelete();
// handle each possible events from its type
switch( socket_event.get_value() ){
case socket_event_t::RECVED_DATA:
// data MUST NOT be called if it is not a POST
if( !m_http_reqhd.method().is_post() )
return autodelete("recved data on non POST");
// forward to the proper handler
return handle_recved_data(*socket_event.get_recved_data());
case socket_event_t::MAYSEND_ON:
// if MAYSEND_ON occurs and the maysend_threashold is == sendbuf maxlen, this is
// the end of the connection, so autodelete
// - this is a kludge to implement a weird linger... to fix
if( m_socket_full->maysend_tshold() == m_socket_full->xmitbuf_maxlen())
return autodelete();
// try to full the socket_full sendbuf
try_fill_xmitbuf();
break;
default: DBG_ASSERT(0);
}
// return tokeep
return true;
}
/** \brief Handler RECVED_DATA from the socket_full_t
*/
bool http_sresp_cnx_t::handle_recved_data(const pkt_t &pkt) throw()
{
// sanity check - data must be received IIF http_method_t::POST
DBG_ASSERT( m_http_reqhd.method().is_post() );
// queue the received data to the one already received
m_recved_data.append( pkt.to_datum(datum_t::NOCOPY) );
// some logging
KLOG_ERR("recved data " << m_recved_data.length() << "-byte");
// if the pending_data are too long, close the connection
if( m_recved_data.length() > profile().recv_post_maxlen() )
return autodelete("recved POST too large");
// http_reqhd.content_length() MUST be size_t_ok
if( !m_http_reqhd.content_length().is_size_t_ok() )
return autodelete("recved Content-Length is not size_t ok");
// get the http_reqhd.content_length()
size_t content_length = m_http_reqhd.content_length().to_size_t();
#if 0
// if the recved_data is larger than content_length, return an error
if( m_recved_data.length() > content_length )
return autodelete("recved_data larger than http_reqhd_t Content-Length");
#else
// if recved_data is larger than content_length, strip m_recved_data to content_length
// - NOTE: needed as IE (tested on IE6sp2/IE7) sends 2 additionnal byte "\r\n".
if( m_recved_data.length() > content_length )
m_recved_data.tail_free(m_recved_data.length() - content_length);
#endif
// if the recved_data length is less than content_length, return now
if( m_recved_data.length() < content_length ) return true;
// now the http_method_t::POST is fully received, notify the http_sresp_ctx_t
return notify_ctx();
}
/** \brief parse a bt_cmdtype_t::BLOCK_REP command
*
* @erturn a tokeep for the whole bt_swarm_full_t
*/
bool bt_swarm_full_t::parse_block_rep(pkt_t &pkt) throw()
{
bt_swarm_stats_t& swarm_stats = bt_swarm->swarm_stats();
const bt_mfile_t & bt_mfile = bt_swarm->get_mfile();
uint32_t piece_idx;
uint32_t data_offset;
bt_err_t bt_err;
// log to debug
KLOG_DBG("enter pkt="<< pkt);
try {
pkt >> piece_idx;
pkt >> data_offset;
// NOTE: the data replied are the remaining of pkt
}catch(serial_except_t &e){
// if the unserialization failed, it is a bug in the protocol, autodelete
return autodelete();
}
// if the piece_idx is greater than or equal to the number of piece, autodelete
if( piece_idx >= bt_mfile.nb_piece() ) return autodelete();
// if the block_rep goes across several pieces, autodelete
if( data_offset + pkt.size() > bt_mfile.piecelen() ) return autodelete();
// if the block_rep has a size of 0, autodelete
if( pkt.size() == 0 ) return autodelete();
// update the recv_rate
m_recv_rate.update(pkt.size());
// update the dloaded_datalen in bt_swarm_stats_t
// TODO should it be updated here ? and not in the scheduler ?
// - do i update it properly in the ecnx case too ?
// - where should i update it ? in the block notify complete ?
// - this is not updated for ecnx
swarm_stats.dloaded_datalen ( swarm_stats.dloaded_datalen() + pkt.size() );
// if no pending bt_swarm_sched_request_t matches this block_rep, discard it
// - NOTE: it may happen in a race such as (i) local peer requests the block to peer alice
// and bob, (ii) receives its from bob, (iii) send a BLOCK_DEL to alice, (iv) alice already
// replied the data before getting the BLOCK_DEL, (v) local peer received BLOCK_REP without
// matching bt_+swarm_sched_request_t.
bt_prange_t bt_prange = bt_prange_t(piece_idx, data_offset, pkt.size());
file_range_t totfile_range = bt_prange.to_totfile_range(bt_mfile);
if( !full_sched()->has_matching_request(totfile_range) ){
// update the bt_swarm_stats_t
swarm_stats.dup_rep_nb ( swarm_stats.dup_rep_nb() + 1 );
swarm_stats.dup_rep_len ( swarm_stats.dup_rep_len() + pkt.size() );
// return tokeep
return true;
}
// notify the callback of this event - up to the scheduler to write the data
bt_cmd_t bt_cmd = bt_cmd_t::build_block_rep(bt_prange);
bool tokeep = notify_callback( bt_swarm_full_event_t::build_block_rep(bt_cmd, &pkt) );
if( !tokeep ) return false;
// return tokeep
return true;
}
/** \brief callback notified by \ref socket_full_t to provide event
*/
bool bt_swarm_full_t::neoip_socket_full_event_cb(void *userptr
, socket_full_t &cb_socket_full, const socket_event_t &socket_event) throw()
{
// log to debug
KLOG_DBG("enter event=" << socket_event);
// sanity check - the event MUST be full_ok
DBG_ASSERT( socket_event.is_full_ok() );
// if the socket_event_t is fatal, autodelete this router_resp_cnx_t
if( socket_event.is_fatal() ) return autodelete();
// handle each possible events from its type
switch( socket_event.get_value() ){
case socket_event_t::RECVED_DATA:{
pkt_t * pkt = socket_event.get_recved_data();
// log to debug
KLOG_DBG("data len=" << pkt->length());
// queue the received data to the one already received
recved_data.append(pkt->void_ptr(), pkt->length());
// parse the recved command
return parse_recved_data();}
case socket_event_t::MAYSEND_ON:
// to warn the sendq that it can send
sendq->notify_maysend();
return true;
default: DBG_ASSERT(0);
}
// return tokeep
return true;
}
/** \brief callback notified by \ref bt_swarm_t when to notify an event
*/
bool bt_oload0_swarm_t::neoip_bt_swarm_cb(void *cb_userptr, bt_swarm_t &cb_bt_swarm
, const bt_swarm_event_t &swarm_event) throw()
{
// log to debug
KLOG_WARN("enter event=" << swarm_event);
// handle the fatal bt_swarm_event_t
if( swarm_event.is_fatal() ){
// log the event
KLOG_INFO("Closing the bt_swarm_t for " << nested_uri << " due to " << swarm_event);
// autodelete
return autodelete();
}
// handle the bt_swarm_event_t according to its value
switch(swarm_event.get_value()){
case bt_swarm_event_t::PIECE_NEWLY_AVAIL:{
std::list<bt_httpo_full_t *>::iterator iter;
// notify this new data to each bt_httpo_full_t within the httpo_full_db
for(iter = httpo_full_db.begin(); iter != httpo_full_db.end(); iter++){
bt_httpo_full_t *httpo_full = *iter;
// notify this bt_httpo_full_t of the new data
httpo_full->notify_newly_avail_piece();
}
break;}
default: DBG_ASSERT( 0 );
}
// return tokeep
return true;
}
/** \brief to be called when a piece_idx is newly marked unavailable
*
* - WARNING: this function MAY delete the bt_swarm_full_t. take this into account.
*/
void bt_swarm_full_t::declare_piece_nomore_avail(size_t piece_idx) throw()
{
// autodelete the connection if there is pending BLOCK_REP for this piece_idx in the sendq
// - NOTE: autodelete is the only possible option as it is impossible to notify the
// remote peer that a particular request have been canceled (limitation in
// bt protocol)
// - maybe some stuff about the 'fast' extension (not implemented)
const std::list<bt_cmd_t> & cmd_queue = sendq->cmd_queue;
std::list<bt_cmd_t>::const_iterator iter;
for(iter = cmd_queue.begin(); iter != cmd_queue.end(); iter++){
const bt_cmd_t & bt_cmd = *iter;
// if this bt_cmd_t is NOT a BLOCK_REP, skip it
if( bt_cmd.cmdtype() != bt_cmdtype_t::BLOCK_REP ) continue;
// if this bt_cmd_t is NOT for this piece_idx, skip it
if( bt_cmd.prange().piece_idx() != piece_idx ) continue;
// else autodelete the bt_swarm_full_t and return immediatly
autodelete();
return;
}
// if the remote peer support bt_utmsgtype_t::PUNAVAIL, notify it
if( full_utmsg()->do_support(bt_utmsgtype_t::PUNAVAIL) ){
// TODO may be put a helper to get the it directly without putting the dynamic_cast here
// - see what has been done in the bt_swarm_utmsg_t::utmsg_piecewish()
bt_utmsg_cnx_vapi_t * cnx_vapi = full_utmsg()->cnx_vapi(bt_utmsgtype_t::PUNAVAIL);
bt_utmsg_punavail_cnx_t*punavail_cnx = dynamic_cast<bt_utmsg_punavail_cnx_t*>(cnx_vapi);
DBG_ASSERT( punavail_cnx );
punavail_cnx->xmit_punavail(piece_idx);
}
}
/** \brief callback called when the timeout_t expire
*/
bool bt_swarm_full_t::neoip_timeout_expire_cb(void *userptr, timeout_t &cb_timeout) throw()
{
// log to debug
KLOG_WARN("enter");
// autodelete
return autodelete();
}
bool bt_oload0_swarm_t::neoip_bt_httpo_full_cb(void *cb_userptr, bt_httpo_full_t &cb_bt_httpo_full
, const bt_httpo_event_t &httpo_event) throw()
{
bt_httpo_full_t*httpo_full = &cb_bt_httpo_full;
// log to debug
KLOG_WARN("enter httpo_event=" << httpo_event);
// sanity check - bt_httpo_event_t MUST be is_full_ok()
DBG_ASSERT( httpo_event.is_full_ok() );
// handle each possible events from its type
switch( httpo_event.get_value() ){
case bt_httpo_event_t::CNX_CLOSED:
// remove it from the httpo_full_db
httpo_full_db.remove(httpo_full);
// delete the bt_httpo_full_t object itself
nipmem_zdelete httpo_full;
// if httpo_full_db is now empty, autodelete
if( httpo_full_db.empty() ) return autodelete();
// return dontkeep - as the httpo_full has just been deleted
return false;
default: DBG_ASSERT(0);
}
// return tokeep
return true;
}
/** \brief function to notify a piece_unavail(pieceidx) from the bt_utmsgtype_t::PUNAVAIL
*
* @erturn a tokeep for the whole bt_swarm_full_t
*/
bool bt_swarm_full_t::notify_utmsg_punavail(size_t pieceidx) throw()
{
// log to debug
KLOG_DBG("piece_idx=" << piece_idx);
// sanity check - bt_utmsgtype_t::PUNAVAIL MUST be supported
DBG_ASSERT( full_utmsg()->do_support(bt_utmsgtype_t::PUNAVAIL) );
// if pieceidx is not in the proper range, autodelete
if( pieceidx >= remote_pavail().nb_piece() ) return autodelete();
// if piece_idx piece is already marked as unavail, do nothing
if( remote_pavail().is_unavail(pieceidx) ) return true;
// mark the piece as available in the pieceavail
m_remote_pavail.mark_unavail(pieceidx);
// notify the callback of this event
bool tokeep = notify_callback( bt_swarm_full_event_t::build_piece_unavail(pieceidx) );
if( !tokeep ) return false;
// if this bt_swarm_full_t DO NOT support bt_utmsgtype_t::PIECEWISH, update piecewish
if( full_utmsg()->no_support(bt_utmsgtype_t::PIECEWISH) ){
bool tokeep = notify_utmsg_dowish_index(pieceidx);
if( !tokeep ) return false;
}
// return tokeep
return true;
}
/** \brief callback called when the timeout_t expire
*/
bool http_client_pool_cnx_t::neoip_timeout_expire_cb(void *userptr, timeout_t &cb_timeout) throw()
{
// update the http_client_pool_stat_t
http_client_pool_stat_t & pool_stat = client_pool->pool_stat;
pool_stat.nb_cnx_died_internal ( pool_stat.nb_cnx_died_internal() + 1 );
// autodelete
return autodelete();
}
/** \brief parse a bt_cmdtype_t::PIECE_ISAVAIL command
*
* @erturn a tokeep for the whole bt_swarm_full_t
*/
bool bt_swarm_full_t::parse_piece_isavail_cmd(pkt_t &pkt) throw()
{
uint32_t piece_idx;
try {
pkt >> piece_idx;
}catch(serial_except_t &e){
// if the unserialization failed, it is a bug in the protocol, autodelete
return autodelete();
}
// log to debug
KLOG_DBG("piece_idx=" << piece_idx);
// if the piece_idx is not in the proper range, autodelete
if( piece_idx >= remote_pavail().nb_piece() ) return autodelete();
// if piece_idx piece is already marked as avail, do nothing
if( remote_pavail().is_avail(piece_idx) ) return true;
// if local peer was not interested and this piece_idx is not locally available, make it interested
if( bt_swarm->local_pavail().is_unavail(piece_idx) && !local_dowant_req() ){
m_local_dowant_req = true;
sendq->queue_cmd( bt_cmd_t::build_dowant_req() );
}
// if bt_swarm_full_t DO NOT support bt_utmsgtype_t::PIECEWISH, update piecewish
if( full_utmsg()->no_support(bt_utmsgtype_t::PIECEWISH) ){
bool tokeep = notify_utmsg_nowish_index(piece_idx);
if( !tokeep ) return false;
}
// mark the piece as available in the remote_pavail
m_remote_pavail.mark_isavail(piece_idx);
// notify the callback of this event
bool tokeep = notify_callback( bt_swarm_full_event_t::build_piece_isavail(piece_idx) );
if( !tokeep ) return false;
// if the local peer is seed and the remote one too, close the connection
// - NOTE: it MUST be done after the notification to have the full and sched in sync when deleting
if( bt_swarm->is_seed() && remote_pavail().is_fully_avail() ) return autodelete();
// return tokeep
return true;
}
/** \brief parse a bt_cmdtype_t::BLOCK_REQ command
*
* @erturn a tokeep for the whole bt_swarm_full_t
*/
bool bt_swarm_full_t::parse_block_req(pkt_t &pkt) throw()
{
const bt_swarm_profile_t & swarm_profile = bt_swarm->profile();
const bt_mfile_t & bt_mfile = bt_swarm->get_mfile();
uint32_t piece_idx;
uint32_t data_offset;
uint32_t data_len;
// log to debug
KLOG_DBG("enter pkt="<< pkt);
try {
pkt >> piece_idx;
pkt >> data_offset;
pkt >> data_len;
}catch(serial_except_t &e){
// if the unserialization failed, it is a bug in the protocol, autodelete
return autodelete();
}
// if the piece_idx is greater than or equal to the number of piece, autodelete
if( piece_idx >= bt_mfile.nb_piece() ) return autodelete();
// if the block_req goes across several pieces, autodelete
if( data_offset + data_len > bt_mfile.piecelen() ) return autodelete();
// if the data_len is larger that the swarm_profile.recv_req_maxlen, autodelete
if( data_len > swarm_profile.recv_req_maxlen() ) return autodelete();
// if the piece_idx is not locally available, autodelete
// - NOTE: this is actually important for bt_io_vapi_t to http
if( bt_swarm->local_pavail().is_unavail(piece_idx) ){
KLOG_ERR("received a request from peerid " << remote_peerid().peerid_progfull()
<< " for piece_idx " << piece_idx << " so autodelete");
return autodelete();
}
// if BLOCK_REQ are no authorized, discard it
if( !local_doauth_req() ) return true;
// queue the BLOCK_REP command
bt_prange_t bt_prange = bt_prange_t(piece_idx, data_offset, data_len);
sendq->queue_cmd( bt_cmd_t::build_block_rep(bt_prange) );
// return tokeep
return true;
}
/** \brief callback notified by \ref socket_full_t when a connection is established
*/
bool http_client_pool_cnx_t::neoip_socket_full_event_cb(void *userptr, socket_full_t &cb_socket_full
, const socket_event_t &socket_event) throw()
{
// log to debug
KLOG_DBG("enter event=" << socket_event);
// sanity check - the event MUST be full_ok
DBG_ASSERT( socket_event.is_full_ok() );
// update the http_client_pool_stat_t
http_client_pool_stat_t & pool_stat = client_pool->pool_stat;
pool_stat.nb_cnx_died_external ( pool_stat.nb_cnx_died_external() + 1 );
// delete the connection on ALL socket_event_t
return autodelete();
}
/** \brief parse a bt_cmdtype_t::PIECE_BFIELD command
*
* @erturn a tokeep for the whole bt_swarm_full_t
*/
bool bt_swarm_full_t::parse_piece_bfield_cmd(pkt_t &pkt) throw()
{
const bt_mfile_t & bt_mfile = bt_swarm->bt_mfile;
// log to debug
KLOG_DBG("enter pkt="<< pkt);
// try to parse it
try {
m_remote_pavail = bt_pieceavail_t::btformat_from_pkt(pkt, bt_mfile.nb_piece());
}catch(serial_except_t &e){
// if the unserialization failed, it is a bug in the protocol, autodelete
return autodelete();
}
// if the local peer was not interested and this pieceavail contains pieces not locally avaiable
// => switch to interested
if( !local_dowant_req() && !bt_swarm->local_pavail().fully_contain(remote_pavail()) ){
m_local_dowant_req = true;
sendq->queue_cmd( bt_cmd_t::build_dowant_req() );
}
// notify the callback of this event
bool tokeep = notify_callback(bt_swarm_full_event_t::build_piece_bfield());
if( !tokeep ) return false;
// if bt_swarm_full_t DO NOT support bt_utmsgtype_t::PIECEWISH, update piecewish
if( full_utmsg()->no_support(bt_utmsgtype_t::PIECEWISH) ){
bool tokeep = notify_utmsg_dowish_field(~remote_pavail());
if( !tokeep ) return false;
}
// if the local peer is seed and the remote one too, close the connection
// - NOTE: it MUST be done after the notification to have the full and sched in sync when deleting
if( bt_swarm->is_seed() && remote_pavail().is_fully_avail() ) return autodelete();
// return tokeep
return true;
}
/** \brief parse a received command
*
* @erturn a tokeep for the whole bt_swarm_full_t
*/
bool bt_swarm_full_t::parse_recved_cmd(pkt_t &pkt) throw()
{
const bt_swarm_profile_t &profile = bt_swarm->profile();
// log to debug
KLOG_DBG("enter pkt=" << pkt);
// restart the idle_timeout at eached receved command
idle_timeout.start(profile.full_idle_timeout(), this, NULL);
// handle the KEEP_ALIVE 'command' - the idle_timeout is restarted above for each command
// - it has a length of 0 with no packet type
if( pkt.size() == 0 ) return true;
// parse the packet type
bt_cmdtype_t cmdtype;
try {
pkt >> cmdtype;
}catch(serial_except_t &e){
// if the unserialization failed, it is a bug in the protocol, autodelete
return autodelete();
}
// log to debug
KLOG_DBG("cmdtype=" << cmdtype << "pkt.size=" << pkt.size());
// parse the command depending on the cmdtype
switch(cmdtype.get_value()){
case bt_cmdtype_t::DOAUTH_REQ: return parse_doauth_req_cmd(pkt);
case bt_cmdtype_t::UNAUTH_REQ: return parse_unauth_req_cmd(pkt);
case bt_cmdtype_t::DOWANT_REQ: return parse_dowant_req_cmd(pkt);
case bt_cmdtype_t::UNWANT_REQ: return parse_unwant_req_cmd(pkt);
case bt_cmdtype_t::PIECE_ISAVAIL: return parse_piece_isavail_cmd(pkt);
case bt_cmdtype_t::PIECE_BFIELD: return parse_piece_bfield_cmd(pkt);
case bt_cmdtype_t::BLOCK_REQ: return parse_block_req(pkt);
case bt_cmdtype_t::BLOCK_REP: return parse_block_rep(pkt);
case bt_cmdtype_t::BLOCK_DEL: return parse_block_del(pkt);
case bt_cmdtype_t::UTMSG_PAYL: return parse_utmsg_payl(pkt);
default: // unknown command type are simply ignored
KLOG_ERR("recved unknown command " << cmdtype.get_value()
<< " from " << remote_peerid().peerid_progfull());
return true;
}
// return tokeep
return true;
}
/** \brief function to notify a nowish_field(bitfield_t) from the bt_utmsgtype_t::PIECEWISH
*
* @erturn a tokeep for the whole bt_swarm_full_t
*/
bool bt_swarm_full_t::notify_utmsg_dowish_field(const bitfield_t &new_remote_pwish) throw()
{
// sanity check - a pieceidx MUST NOT simultaneously be in remote_pavail and remote_pwish
DBGNET_ASSERT( (remote_pavail() & new_remote_pwish).is_none_set() );
// if a piece is currently available and wished, it is a bug in remote peer, autodelete
if( (remote_pavail() & new_remote_pwish).is_any_set() ) return autodelete();
// backup the old remote_pwish
bitfield_t old_pwish = remote_pwish();
// update the remote_pwish
m_remote_pwish = new_remote_pwish;
// notify the callback of this event
bool tokeep = notify_callback( bt_swarm_full_event_t::build_pwish_dofield(&old_pwish, &m_remote_pwish) );
if( !tokeep ) return false;
// return tokeep
return true;
}
/** \brief parse the received commands
*
* - it read a whole command out of this->recved_data and then pass it to parse_recved_cmd()
*
* @return a tokeep for the whole bt_swarm_full_t
*/
bool bt_swarm_full_t::parse_recved_data() throw()
{
const bt_swarm_profile_t &profile = bt_swarm->profile();
uint32_t cmd_len;
// if bt_swarm_full_t is not yet notified_as_open, notify it now
if( !notified_as_open ){
bool tokeep = notify_cnx_open();
if( !tokeep ) return false;
}
// parse as many commands as possible
while( recved_data.size() ){
// read a command length
try {
recved_data.unserial_peek( cmd_len );
}catch(serial_except_t &e){
// if unserialization of the cmd_len failed, it is not yet fully received, return tokeep
return true;
}
// if the cmd_len is >= than the profile.recv_cmd_maxlen, autodelete
if( cmd_len > profile.recv_cmd_maxlen() ) return autodelete();
// if recved_data are not long enougth to contain the whole command, return tokeep
if( recved_data.size() < sizeof(uint32_t) + cmd_len ) return true;
// extract the whole command from the recved_data WITHOUT copy
pkt_t cmd_pkt;
cmd_pkt.work_on_data_nocopy(recved_data.char_ptr() + sizeof(uint32_t), cmd_len);
// update the dloaded_fulllen in bt_swarm_stats_t
bt_swarm_stats_t & swarm_stats = bt_swarm->swarm_stats();
swarm_stats.dloaded_fulllen(swarm_stats.dloaded_fulllen()+cmd_pkt.size());
// return tokeep
bool tokeep = parse_recved_cmd(cmd_pkt);
if( !tokeep ) return false;
// free just parsed command from the recved_data
recved_data.head_free(sizeof(uint32_t) + cmd_len);
}
// return tokeep
return true;
}
/** \brief parse a bt_cmdtype_t::BLOCK_DEL command
*
* @erturn a tokeep for the whole bt_swarm_full_t
*/
bool bt_swarm_full_t::parse_block_del(pkt_t &pkt) throw()
{
uint32_t piece_idx;
uint32_t data_offset;
uint32_t data_len;
// log to debug
KLOG_DBG("enter pkt="<< pkt);
try {
pkt >> piece_idx;
pkt >> data_offset;
pkt >> data_len;
}catch(serial_except_t &e){
// if the unserialization failed, it is a bug in the protocol, autodelete
return autodelete();
}
// ask the sendq to remove this BLOCK_REP
bt_prange_t bt_prange = bt_prange_t(piece_idx, data_offset, data_len);
sendq->remove_one_block_rep( bt_cmd_t::build_block_rep(bt_prange) );
// return tokeep
return true;
}
/** \brief function to notify a dowish_index(pieceidx) from the bt_utmsgtype_t::PIECEWISH
*
* @erturn a tokeep for the whole bt_swarm_full_t
*/
bool bt_swarm_full_t::notify_utmsg_dowish_index(size_t pieceidx) throw()
{
// sanity check - pieceidx MUST NOT simultaneously be in remote_pavail and remote_pwish
DBGNET_ASSERT( remote_pavail().is_unavail(pieceidx) );
// if pieceidx is currently available, it is a bug in remote peer, autodelete the cnx
if( remote_pavail().is_avail(pieceidx) ) return autodelete();
// TODO what if the piece is already dowish
// - may that happen in normal operation ?
// - is that a bug ?
// - if it is a bug, do the usual dbgnet_assert + autodelete
// - if it can happen in normal operation, just ignore the operation
// update the m_remote_pwish
m_remote_pwish.set(pieceidx);
// notify the callback of this event
bool tokeep = notify_callback( bt_swarm_full_event_t::build_pwish_doindex(pieceidx) );
if( !tokeep ) return false;
// return tokeep
return true;
}
bool SkTIJPEGImageDecoderEntry::WatchdogCallback(void* __item)
{
bool restart = false;
android::List<SkTIJPEGImageDecoderList_Item*>::iterator iter;
SkTIJPEGImageDecoderList_Item* item = reinterpret_cast<SkTIJPEGImageDecoderList_Item*>(__item);
android::Mutex::Autolock autolock(SkTIJPEGImageDecoderListLock);
SkDebugf("SkTIJPEGImageDecoderEntry::WatchdogCallback() item=0x%x", item);
if(item->Decoder->GetLoad() == 0 || item->Decoder->GetDeleteAttempts() >= MAX_DEL_ATTEMPTS)
{
if(item->Decoder->GetDeleteAttempts() > MAX_DEL_ATTEMPTS)
SkDebugf(" Restart attempt limit reached. deleting...");
// watchdog has expired, delete our reference to Decoder object
SkAutoTDelete<SkTIJPEGImageDecoder> autodelete(item->Decoder);
// reset the strong pointer, okay to do here since lifetime will last longer than reset
item->WatchdogTimer.clear();
// delete item from Decoder list
for(iter = SkTIJPEGImageDecoderList.list.begin(); iter != SkTIJPEGImageDecoderList.list.end(); iter++)
{
if(((SkTIJPEGImageDecoderList_Item*)*iter) == item)
{
SkTIJPEGImageDecoderList.list.erase(iter);
break;
}
}
}else{
// Decoder is still doing something, increment deleltion attempt, restart watchdog
SkDebugf(" Decoder is still doing something, restart watchdog");
item->Decoder->IncDeleteAttempts();
restart = true;
}
return restart;
// return DeleteFromListIfDecoderNotWorking<SkTIJPEGImageDecoderList_Item*, SkTIJPEGImageDecoder>(__item, SkTIJPEGImageDecoderList);
}
bool autodelete(const bt_err_t &bt_err) throw() { return autodelete(bt_err.to_string()); }
/** \brief callback called when the timeout_t expire
*/
bool http_sresp_cnx_t::neoip_timeout_expire_cb(void *userptr, timeout_t &cb_timeout) throw()
{
return autodelete("expired after " + expire_timeout.get_period().to_string() );
}