void plugins_initialize( void )
{
static char *command = "plugin";
LinkedList_t *list;
extBlock = ProtectedDataCreate();
if( !extBlock ) {
LogPrintNoArg( LOG_CRIT, "No memory to create plugin extension "
"protected structure!!");
exit(1);
}
extBlock->data = NULL;
pluginTree = BalancedBTreeCreate( BTREE_KEY_STRING );
if( !pluginTree ) {
return;
}
list = pluginFindPlugins( "plugin_", ".so" );
db_check_plugins( list );
LinkedListDestroy( list );
LogPrint( LOG_NOTICE, "Plugin path: %s", PLUGIN_PATH );
BalancedBTreeLock( pluginTree );
db_get_plugins( pluginTree );
pluginInitializeTree( pluginTree->root );
BalancedBTreeUnlock( pluginTree );
botCmd_add( (const char **)&command, botCmdPlugin, NULL, NULL );
}
HavokResponse *db_mysql_save_account( HavokRequest *req )
{
MYSQL_BIND *data;
pthread_mutex_t *mutex;
HavokResponse *resp;
ProtectedData_t *protect;
volatile int id;
if( !req || !req->account_data ) {
return;
}
mutex = CREATE(pthread_mutex_t);
thread_mutex_init( mutex );
protect = ProtectedDataCreate();
protect->data = (void *)&id;
ProtectedDataLock( protect );
data = CREATEN(MYSQL_BIND, 7);
bind_numeric( &data[0], req->account_data->id, MYSQL_TYPE_LONG );
bind_string( &data[1], req->account_data->email, MYSQL_TYPE_VAR_STRING );
bind_string( &data[2], req->account_data->passwd, MYSQL_TYPE_VAR_STRING );
bind_numeric( &data[3], (req->account_data->ansi ? 1 : 0),
MYSQL_TYPE_TINY );
bind_numeric( &data[4], (req->account_data->confirmed ? 1 : 0),
MYSQL_TYPE_TINY );
bind_string( &data[5], (req->account_data->confcode ?
req->account_data->confcode : ""),
MYSQL_TYPE_VAR_STRING );
bind_null_blob( &data[6], protect );
db_queue_query( 5, QueryTable, data, 7, NULL, NULL, mutex );
pthread_mutex_unlock( mutex );
pthread_mutex_destroy( mutex );
memfree( mutex );
ProtectedDataLock( protect );
ProtectedDataDestroy( protect );
resp = protobufCreateResponse();
if( !resp ) {
return( NULL );
}
resp->request_type = REQ_TYPE__SAVE_ACCOUNT;
resp->account_data = CREATE(ReqAccountType);
req_account_type__init( resp->account_data );
memcpy( resp->account_data, req->account_data, sizeof(ReqAccountType) );
resp->account_data->id = id;
resp->account_data->email = memstrlink( req->account_data->email );
resp->account_data->passwd = memstrlink( req->account_data->passwd );
resp->account_data->confcode = memstrlink( req->account_data->confcode );
return( resp );
}
HavokResponse *db_mysql_save_pc( HavokRequest *req )
{
MYSQL_BIND *data;
pthread_mutex_t *mutex;
HavokResponse *resp;
ProtectedData_t *protect;
volatile int id;
if( !req || !req->pc_data ) {
return( NULL );
}
mutex = CREATE(pthread_mutex_t);
thread_mutex_init( mutex );
protect = ProtectedDataCreate();
protect->data = (void *)&id;
ProtectedDataLock( protect );
data = CREATEN(MYSQL_BIND, 4);
bind_numeric( &data[0], req->pc_data->id, MYSQL_TYPE_LONG );
bind_numeric( &data[1], req->pc_data->account_id, MYSQL_TYPE_LONG );
bind_string( &data[2], req->pc_data->name, MYSQL_TYPE_VAR_STRING );
bind_null_blob( &data[3], protect );
db_queue_query( 10, QueryTable, data, 4, NULL, NULL, mutex );
pthread_mutex_unlock( mutex );
pthread_mutex_destroy( mutex );
memfree( mutex );
ProtectedDataLock( protect );
ProtectedDataDestroy( protect );
db_mysql_save_pc_attribs( id, req->pc_data->attribs );
resp = protobufCreateResponse();
if( !resp ) {
return( NULL );
}
resp->request_type = REQ_TYPE__SAVE_PC;
resp->n_pc_data = 1;
resp->pc_data = CREATE(ReqPCType *);
resp->pc_data[0] = CREATE(ReqPCType);
req_pctype__init( resp->pc_data[0] );
memcpy( resp->pc_data[0], req->pc_data, sizeof(ReqPCType) );
resp->pc_data[0]->id = id;
resp->pc_data[0]->name = memstrlink( req->pc_data->name );
return( resp );
}
/**
* @brief Handles all network connections
* @param arg a pointer to a structure containing port number and timeout
* @return never returns until shutdown
*
* @todo be sure this handles linkdead without removing all player structures
* so the player can log back in and be where they were
*
* Brings up a TCP listener on the MUD's assigned port and accepts connections.
* Also reads all data from connected clients and hands the data off to the
* Input thread. When there is output to be sent, this thread handles writing
* to the sockets after the first write has completed. This thread also
* handles the disconnection of clients gracefully.
*/
void *ConnectionThread( void *arg )
{
connectThreadArgs_t *argStruct;
int portNum;
char *port;
struct sockaddr_in6 sa;
int count;
int fdCount;
int newFd;
socklen_t salen;
struct timeval timeout;
ConnectionItem_t *item;
PlayerStruct_t *player;
ConnInputItem_t *connItem;
ConnDnsItem_t *dnsItem;
uint32 i;
int on;
int retval;
char ch;
argStruct = (connectThreadArgs_t *)arg;
portNum = argStruct->port;
pthread_mutex_lock( startupMutex );
if( portNum == -1 ) {
port = pb_get_setting( "listenPort" );
if( !port ) {
portNum = 4000;
} else {
portNum = atoi(port);
memfree(port);
}
}
/*
* Start listening
*/
listenFd = socket( AF_INET6, SOCK_STREAM, 0 );
if( listenFd < 0 ) {
perror("Opening listener socket");
exit(1);
}
on = 1;
if( setsockopt( listenFd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on) ) ) {
perror("Setting socket to reuse");
exit(1);
}
memset(&sa, 0, sizeof(sa));
sa.sin6_family = AF_INET6;
sa.sin6_port = htons(portNum);
sa.sin6_addr = in6addr_any;
if (bind(listenFd, (struct sockaddr *)&sa, sizeof(sa)) < 0) {
perror("Binding listener socket");
close(listenFd);
exit(1);
}
if (listen(listenFd, 10)) {
perror("Listening to socket");
close(listenFd);
exit(1);
}
FD_ZERO(&saveReadFds);
FD_ZERO(&saveWriteFds);
FD_ZERO(&saveExceptFds);
connAddFd(listenFd, &saveReadFds);
ConnectionList = LinkedListCreate(NULL);
LogPrint( LOG_NOTICE, "Listening on port %d", portNum );
pthread_mutex_unlock( startupMutex );
while( !GlobalAbort ) {
/*
* Select on connected and listener
*/
readFds = saveReadFds;
writeFds = saveWriteFds;
exceptFds = saveExceptFds;
timeout.tv_sec = argStruct->timeout_sec;
timeout.tv_usec = argStruct->timeout_usec;
fdCount = select(maxFd+1, &readFds, &writeFds, &exceptFds, &timeout);
if( GlobalAbort ) {
continue;
}
recalcMaxFd = FALSE;
/*
* Open a connection for listener
*/
if( FD_ISSET(listenFd, &readFds) ) {
salen = sizeof(struct sockaddr_in6);
newFd = accept(listenFd, (struct sockaddr *)&sa, &salen);
connAddFd(newFd, &saveReadFds);
connAddFd(newFd, &saveExceptFds);
item = CREATE(ConnectionItem_t);
if( !item ) {
/*
* No memory!
*/
LogPrintNoArg( LOG_EMERG, "Out of memory!" );
close(newFd);
} else {
item->fd = newFd;
item->buffer = BufferCreate(MAX_BUFSIZE);
item->hostName = ProtectedDataCreate();
ProtectedDataLock( item->hostName );
item->hostName->data = CREATEN(char, 50);
inet_ntop(AF_INET6, &sa.sin6_addr, item->hostName->data, 50);
if( !strncmp(item->hostName->data, "::ffff:", 7) ) {
bcopy((char *)item->hostName->data + 7,
item->hostName->data, 43);
}
ProtectedDataUnlock( item->hostName );
if (!IS_SET(SystemFlags, SYS_SKIPDNS)) {
dnsItem = CREATE(ConnDnsItem_t);
if( dnsItem ) {
dnsItem->connection = item;
memcpy(dnsItem->ipAddr, &sa.sin6_addr, 16);
QueueEnqueueItem(ConnectDnsQ, dnsItem);
}
}
player = CREATE(PlayerStruct_t);
if( !player ) {
/*
* No memory!
*/
LogPrintNoArg( LOG_EMERG, "Out of memory!" );
BufferDestroy(item->buffer);
close(newFd);
memfree(item);
} else {
item->player = player;
player->connection = item;
player->in_buffer = item->buffer;
LinkedListAdd( ConnectionList, (LinkedListItem_t *)item,
UNLOCKED, AT_TAIL );
/*
* Pass the info on to the other threads...
*/
#ifdef DEBUG_CONNECT
LogPrint( LOG_INFO, "New connection: %p", player );
#endif
connItem = CREATE(ConnInputItem_t);
if( connItem ) {
connItem->type = CONN_NEW_CONNECT;
connItem->player = player;
QueueEnqueueItem(ConnectInputQ, (QueueItem_t)connItem);
}
}
}
fdCount--;
}
if( fdCount ) {
LinkedListLock( ConnectionList );
for( item = (ConnectionItem_t *)(ConnectionList->head);
item && fdCount;
item = (item ? (ConnectionItem_t *)item->link.next
: (ConnectionItem_t *)ConnectionList->head) ) {
if( FD_ISSET( item->fd, &exceptFds ) ) {
/*
* This connection's borked, close it, remove it, move on
*/
if( FD_ISSET( item->fd, &readFds ) ) {
fdCount--;
}
if( FD_ISSET( item->fd, &writeFds ) ) {
fdCount--;
}
BufferLock( item->buffer );
item = connRemove(item);
fdCount--;
continue;
}
if( item && FD_ISSET( item->fd, &readFds ) ) {
/*
* This connection has data ready
*/
count = BufferAvailWrite( item->buffer, TRUE );
if( !count ) {
/*
* No buffer space, the buffer's unlocked, move on
*/
LogPrint( LOG_INFO, "No buffer space: %p", item );
continue;
}
/*
* The buffer's locked
*/
count = read( item->fd, BufferGetWrite( item->buffer ),
count );
if( !count ) {
LogPrint( LOG_DEBUG, "EOF on %d", item->fd );
/*
* We hit EOF, close and remove
*/
if( FD_ISSET( item->fd, &writeFds ) ) {
fdCount--;
}
item = connRemove(item);
fdCount--;
continue;
}
BufferWroteBytes( item->buffer, count );
BufferUnlock( item->buffer );
/*
* Tell the input thread
*/
connItem = CREATE(ConnInputItem_t);
if( connItem ) {
#ifdef DEBUG_INPUT
LogPrint( LOG_INFO, "New data: %p", item->player );
#endif
connItem->type = CONN_INPUT_AVAIL;
connItem->player = item->player;
QueueEnqueueItem(ConnectInputQ, (QueueItem_t)connItem);
}
}
if( item && FD_ISSET( item->fd, &writeFds ) ) {
/*
* We have space to output, so write if we have anything
* to write
*/
#ifdef DEBUG_OUTPUT
LogPrint( LOG_INFO, "Output sent to: %p", item );
#endif
if( item->outBufDesc ) {
/* TODO: deal with partial block writes */
retval = write( item->fd, item->outBufDesc->buf,
item->outBufDesc->len );
memfree( item->outBufDesc->buf );
memfree( item->outBufDesc );
item->outBufDesc = NULL;
}
/*
* Kick the next output
*/
connKickOutput( item );
fdCount--;
}
}
LinkedListUnlock( ConnectionList );
}
if( recalcMaxFd ) {
LinkedListLock( ConnectionList );
maxFd = listenFd;
for( item = (ConnectionItem_t *)(ConnectionList->head); item;
item = (ConnectionItem_t *)item->link.next ) {
if( item->fd > maxFd ) {
maxFd = item->fd;
}
}
LinkedListUnlock( ConnectionList );
}
}
