"""
-import time, socket, operator, thread, ast, sys,re
+import time, json, socket, operator, thread, ast, sys,re
import psycopg2, binascii
from Abe.abe import hash_to_address, decode_check_address
stopping = False
block_number = -1
+old_block_number = -1
sessions = {}
+sessions_sub_numblocks = [] # sessions that have subscribed to the service
+
dblock = thread.allocate_lock()
peer_list = {}
wallets = {} # for ultra-light clients such as bccapi
+from Queue import Queue
+input_queue = Queue()
+output_queue = Queue()
+
class MyStore(Datastore_class):
def import_tx(self, tx, is_coinbase):
respdata = urllib.urlopen(bitcoind_url, postdata).read()
r = loads(respdata)
if r['error'] != None:
- out = "error: transaction rejected by memorypool"
+ out = "error: transaction rejected by memorypool\n"+tx
else:
out = r['result']
return out
k = 0
for addr in addresses:
if store.tx_cache.get( addr ) is not None: k += 1
-
- # get addtess status, i.e. the last block for that address.
- tx_points = store.get_history(addr)
- if not tx_points:
- status = None
- else:
- lastpoint = tx_points[-1]
- status = lastpoint['blk_hash']
- # this is a temporary hack; move it up once old clients have disappeared
- if status == 'mempool' and session['version'] != "old":
- status = status + ':%d'% len(tx_points)
-
+ status = get_address_status( addr )
last_status = addresses.get( addr )
if last_status != status:
addresses[addr] = status
return out
+def get_address_status(addr):
+ # get addtess status, i.e. the last block for that address.
+ tx_points = store.get_history(addr)
+ if not tx_points:
+ status = None
+ else:
+ lastpoint = tx_points[-1]
+ status = lastpoint['blk_hash']
+ # this is a temporary hack; move it up once old clients have disappeared
+ if status == 'mempool': # and session['version'] != "old":
+ status = status + ':%d'% len(tx_points)
+ return status
+
+
+def send_numblocks(session_id):
+ out = json.dumps( {'method':'numblocks.subscribe', 'result':block_number} )
+ output_queue.put((session_id, out))
+
+def subscribe_to_numblocks(session_id):
+ sessions_sub_numblocks.append(session_id)
+ send_numblocks(session_id)
+
+def subscribe_to_address(session_id, address):
+ #print "%s subscribing to %s"%(session_id,address)
+ status = get_address_status(address)
+ sessions[session_id]['type'] = 'subscribe'
+ sessions[session_id]['addresses'][address] = status
+ sessions[session_id]['last_time'] = time.time()
+ out = json.dumps( { 'method':'address.subscribe', 'address':address, 'status':status } )
+ output_queue.put((session_id, out))
def new_session(version, addresses):
session_id = random_string(10)
sessions[session_id]['last_time'] = time.time()
return 'ok'
-def listen_thread(store):
+def native_server_thread():
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
s.bind((config.get('server','host'), config.getint('server','port')))
s.listen(1)
while not stopping:
conn, addr = s.accept()
- thread.start_new_thread(client_thread, (addr, conn,))
-
+ try:
+ thread.start_new_thread(native_client_thread, (addr, conn,))
+ except:
+ # can't start new thread if there is no memory..
+ traceback.print_exc(file=sys.stdout)
-def client_thread(ipaddr,conn):
+def native_client_thread(ipaddr,conn):
#print "client thread", ipaddr
try:
ipaddr = ipaddr[0]
conn.close()
+
+# used by the native handler
def do_command(cmd, data, ipaddr):
timestr = time.strftime("[%d/%m/%Y-%H:%M:%S]")
+####################################################################
+
+def tcp_server_thread():
+ thread.start_new_thread(process_input_queue, ())
+ thread.start_new_thread(process_output_queue, ())
+
+ s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+ s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+ s.bind((config.get('server','host'), 50001))
+ s.listen(1)
+ while not stopping:
+ conn, addr = s.accept()
+ try:
+ thread.start_new_thread(tcp_client_thread, (addr, conn,))
+ except:
+ # can't start new thread if there is no memory..
+ traceback.print_exc(file=sys.stdout)
+
+
+# one thread per client. put requests in a queue.
+def tcp_client_thread(ipaddr,conn):
+ """ use a persistent connection. put commands in a queue."""
+ print "persistent client thread", ipaddr
+ global sessions
+
+ session_id = random_string(10)
+ sessions[session_id] = { 'conn':conn, 'addresses':{}, 'version':'unknown' }
+
+ ipaddr = ipaddr[0]
+ msg = ''
+
+ while not stopping:
+ d = conn.recv(1024)
+ msg += d
+ if not d: break
+ while True:
+ s = msg.find('\n')
+ if s ==-1:
+ break
+ else:
+ c = msg[0:s]
+ msg = msg[s+1:]
+ c = json.loads(c)
+ try:
+ cmd = c['method']
+ data = c['params']
+ except:
+ print "syntax error", repr(c), ipaddr
+ continue
+
+ # add to queue
+ input_queue.put((session_id, cmd, data))
+
+
+# read commands from the input queue. perform requests, etc. this should be called from the main thread.
+def process_input_queue():
+ while not stopping:
+ session_id, cmd, data = input_queue.get()
+ out = None
+ if cmd == 'address.subscribe':
+ subscribe_to_address(session_id,data)
+ elif cmd == 'numblocks.subscribe':
+ subscribe_to_numblocks(session_id)
+ elif cmd == 'client.version':
+ sessions[session_id]['version'] = data
+ elif cmd == 'server.banner':
+ out = json.dumps( { 'method':'server.banner', 'result':config.get('server','banner').replace('\\n','\n') } )
+ elif cmd == 'address.get_history':
+ address = data
+ out = json.dumps( { 'method':'address.get_history', 'address':address, 'result':store.get_history( address ) } )
+ elif cmd == 'transaction.broadcast':
+ out = json.dumps( { 'method':'transaction.broadcast', 'result':send_tx(data) } )
+ else:
+ print "unknown command", cmd
+ if out:
+ output_queue.put((session_id, out))
+
+# this is a separate thread
+def process_output_queue():
+ while not stopping:
+ session_id, out = output_queue.get()
+ session = sessions.get(session_id)
+ if session:
+ conn = session.get('conn')
+ conn.send(out+'\n')
+
+
+
+####################################################################
+
def memorypool_update(store):
ds = BCDataStream.BCDataStream()
-def jsonrpc_thread(store):
+def http_server_thread(store):
# see http://code.google.com/p/jsonrpclib/
from SocketServer import ThreadingMixIn
from jsonrpclib.SimpleJSONRPCServer import SimpleJSONRPCServer
store.tx_cache = {}
store.mempool_keys = {}
- thread.start_new_thread(listen_thread, (store,))
- thread.start_new_thread(jsonrpc_thread, (store,))
+ # supported protocols
+ thread.start_new_thread(native_server_thread, ())
+ thread.start_new_thread(tcp_server_thread, ())
+ thread.start_new_thread(http_server_thread, (store,))
+
thread.start_new_thread(clean_session_thread, ())
if (config.get('server','irc') == 'yes' ):
thread.start_new_thread(irc_thread, ())
store.catch_up()
memorypool_update(store)
block_number = store.get_block_number(1)
+
+ if block_number != old_block_number:
+ old_block_number = block_number
+ for session_id in sessions_sub_numblocks:
+ send_numblocks(session_id)
+
except IOError:
print "IOError: cannot reach bitcoind"
block_number = 0