From 04cd785f24d779996df8672938372467af6c9a82 Mon Sep 17 00:00:00 2001
From: Teddy <ted.sybil@gmail.com>
Date: Fri, 30 Aug 2013 22:27:18 +0800
Subject: ...

---
 server/piztor/ptp.rst   |  1 +
 server/piztor/server.py | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 48 insertions(+)

(limited to 'server')

diff --git a/server/piztor/ptp.rst b/server/piztor/ptp.rst
index e174fe3..05fb17f 100644
--- a/server/piztor/ptp.rst
+++ b/server/piztor/ptp.rst
@@ -235,6 +235,7 @@ Piztor Transmission Protocol v2.0a
     - Request
 
       ::
+      
           +-------------+----8b------+------8b-----+----4b----+
           |  AUTH_HEAD  |  LATITUDE  |  LONGITUDE  | DEADLINE |
           +-------------+---double---+---double----+---int----+
diff --git a/server/piztor/server.py b/server/piztor/server.py
index d2d1974..dab0ccb 100644
--- a/server/piztor/server.py
+++ b/server/piztor/server.py
@@ -38,6 +38,7 @@ class _SectionSize:
     LATITUDE = 8
     LONGITUDE = 8
     PADDING = 1
+    DEADLINE = 4
 
 _MAX_AUTH_HEAD_SIZE = _SectionSize.USER_TOKEN + \
                       MAX_USERNAME_SIZE + \
@@ -57,6 +58,7 @@ class _OptCode:
     user_logout =           0x04
     open_push_tunnel =      0x05
     send_text_mesg =        0x06
+    set_marker =            0x07
 
 class _StatusCode:
     sucess = 0x00
@@ -576,6 +578,51 @@ class SendTextMessageHandler(RequestHandler):
         logger.info("Sent text mesg successfully!")
         return self.pack(struct.pack("!B", _StatusCode.sucess))
 
+class SetMarkerHandler(RequestHandler):
+
+    _optcode = _OptCode.set_marker
+    _max_tr_data_size = _MAX_AUTH_HEAD_SIZE + \
+                        _SectionSize.LATITUDE + \
+                        _SectionSize.LONGITUDE + \
+                        _SectionSize.DEADLINE
+
+    def handle(self, tr_data, conn):
+        self.check_size(tr_data)
+        logger.info("Reading set marker data...")
+        try:
+            token, = struct.unpack("!32s", tr_data[:32])
+            username, tail = RequestHandler.trunc_padding(tr_data[32:])
+            lat, lng, deadline = struct.unpack("!ddl", tail)
+            if username is None: 
+                raise struct.error
+        except struct.error:
+            raise BadReqError("Send text mesg: Malformed request body")
+
+        logger.info("Trying to send text mesg with "
+                    "(token = {0}, username = {1})"\
+                .format(get_hex(token), username))
+
+        uauth = RequestHandler.get_uauth(token, username, self.session)
+        # Authentication failure
+        if uauth is None:
+            logger.warning("Authentication failure")
+            return self.pack(struct.pack("!B", _StatusCode.failure))
+
+        pt = RequestHandler.push_tunnels
+        u = uauth.user
+        ulist = self.session.query(UserModel) \
+                .filter(UserModel.sec_id == u.sec_id).all()
+
+        for user in ulist:
+            uid = user.id
+            if uid == uauth.uid: continue
+            if pt.has_key(uid):
+                tunnel = pt[uid]
+                tunnel.add(PushTextMesgData(mesg))
+                tunnel.push()
+        logger.info("Sent text mesg successfully!")
+        return self.pack(struct.pack("!B", _StatusCode.sucess))
+
 
 class PTP(Protocol, TimeoutMixin):
 
-- 
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