From 537d01ac3e78dec6828e068979dcd061e8f68a98 Mon Sep 17 00:00:00 2001
From: Teddy <ted.sybil@gmail.com>
Date: Sun, 25 Aug 2013 21:34:38 +0800
Subject: ptp fixed

---
 server/piztor/ptp.rst   |  2 +-
 server/piztor/server.py | 44 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 45 insertions(+), 1 deletion(-)

diff --git a/server/piztor/ptp.rst b/server/piztor/ptp.rst
index 004bbd9..0fee00e 100644
--- a/server/piztor/ptp.rst
+++ b/server/piztor/ptp.rst
@@ -110,7 +110,7 @@ Piztor Transmission Protocol v0.3a
     ::
 
         +--1b---+------?b------+------4b-----+
-        | 0x02  |  AUTH_HEAD   |   USER_ID   |
+        | 0x03  |  AUTH_HEAD   |   USER_ID   |
         +-uchar-+--------------+-----int-----+
 
   - Response 
diff --git a/server/piztor/server.py b/server/piztor/server.py
index 2397225..98c67c2 100644
--- a/server/piztor/server.py
+++ b/server/piztor/server.py
@@ -258,6 +258,50 @@ class LocationRequestHandler(RequestHandler):
             reply += struct.pack("!Ldd", user.id, loc.lat, loc.lng)
 
         return reply
+
+class UserInfoRequestHandler(RequestHandler):
+
+    def handle(self, tr_data):
+        logger.info("Reading user info request data...")
+
+        try:
+            token, = struct.unpack("!32s", tr_data[:32])
+            username, tail = RequestHandler.trunc_padding(tr_data[32:])
+            if username is None:
+                raise struct.error
+            uid, = struct.unpack("!L", tail)
+        except struct.error:
+            raise BadReqError("Location request: Malformed request body")
+
+        logger.info("Trying to request locatin with " \
+                    "(token = {0}, gid = {1})" \
+            .format(get_hex(token), gid))
+
+        session = self.Session()
+        uauth = RequestHandler.get_uauth(token, username, session)
+        # Auth failure
+        if uauth is None:
+            logger.warning("Authentication failure")
+            return struct.pack("!LBBL", LocationRequestHandler \
+                                            ._location_request_response_size(0),
+                                        _OptCode.location_request,
+                                        _StatusCode.failure,
+                                       0)
+
+        ulist = session.query(UserModel).filter(UserModel.gid == gid).all()
+        reply = struct.pack(
+                "!LBBL", 
+                LocationRequestHandler._location_request_response_size(len(ulist)),
+                _OptCode.location_request, 
+                _StatusCode.sucess,
+                len(ulist))
+
+        for user in ulist:
+            loc = user.location
+            reply += struct.pack("!Ldd", user.id, loc.lat, loc.lng)
+
+        return reply
+
         
 handlers = [UserAuthHandler,
             LocationUpdateHandler,
-- 
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