The filesystem operation executed via RATP is processed in the
following way:
* The barebox RATP endpoint sends 'fs' packets to the client, with
the specific filesystem operations to execute.
* The client replies with 'fs_result' packets to barebox, containing
the result of the filesystem operation.
We now consolidate this process using the request and response
packet flags, and making them part of the same 'fs' packet type.
Signed-off-by: Aleksander Morgado <aleksander@xxxxxxxxxxxxx>
---
common/ratp.c | 9 ++++++---
scripts/remote/controller.py | 12 ++++++------
scripts/remote/messages.py | 20 ++++++++++++--------
scripts/remote/ratpfs.py | 6 +++---
4 files changed, 27 insertions(+), 20 deletions(-)
diff --git a/common/ratp.c b/common/ratp.c
index 2423c0651..79b0a9906 100644
--- a/common/ratp.c
+++ b/common/ratp.c
@@ -34,8 +34,7 @@
#define BB_RATP_TYPE_CONSOLE 1
#define BB_RATP_TYPE_PING 2
#define BB_RATP_TYPE_GETENV 3
-#define BB_RATP_TYPE_FS 8
-#define BB_RATP_TYPE_FS_RETURN 9
+#define BB_RATP_TYPE_FS 4
#define BB_RATP_FLAG_NONE 0
#define BB_RATP_FLAG_RESPONSE (1 << 0) /* Packet is a response */
@@ -246,7 +245,11 @@ static int ratp_bb_dispatch(struct ratp_ctx *ctx, const void *buf, int len)
ret = ratp_bb_send_getenv_return(ctx, getenv(varname));
break;
- case BB_RATP_TYPE_FS_RETURN:
+ case BB_RATP_TYPE_FS:
+ /* Only responses expected */
+ if (!(flags & BB_RATP_FLAG_RESPONSE))
+ break;
+
pkt = xzalloc(sizeof(*pkt) + dlen);
pkt->len = dlen;
memcpy(pkt->data, &rbb->data, dlen);
diff --git a/scripts/remote/controller.py b/scripts/remote/controller.py
index 29aa42ad9..db4af3120 100644
--- a/scripts/remote/controller.py
+++ b/scripts/remote/controller.py
@@ -44,11 +44,11 @@ def unpack(data):
logging.debug("received: getenv")
return BBPacketGetenvRequest(raw=data)
elif p_type == BBType.fs:
- logging.debug("received: fs")
- return BBPacketFS(raw=data)
- elif p_type == BBType.fs_return:
- logging.debug("received: fs_return")
- return BBPacketFSReturn(raw=data)
+ if p_flag & BBFlag.response:
+ logging.debug("received: fs response")
+ return BBPacketFsResponse(raw=data)
+ logging.debug("received: fs request")
+ return BBPacketFsRequest(raw=data)
else:
logging.debug("received: UNKNOWN")
return BBPacket(raw=data)
@@ -74,7 +74,7 @@ class Controller(Thread):
os.write(sys.stdout.fileno(), bbpkt.text)
elif isinstance(bbpkt, BBPacketPong):
print("pong",)
- elif isinstance(bbpkt, BBPacketFS):
+ elif isinstance(bbpkt, BBPacketFsRequest):
if self.fsserver != None:
self._send(self.fsserver.handle(bbpkt))
diff --git a/scripts/remote/messages.py b/scripts/remote/messages.py
index 88841f4f6..98dda8b79 100644
--- a/scripts/remote/messages.py
+++ b/scripts/remote/messages.py
@@ -15,8 +15,7 @@ class BBType(object):
console = 1
ping = 2
getenv = 3
- fs = 8
- fs_return = 9
+ fs = 4
class BBPacket(object):
@@ -148,17 +147,22 @@ class BBPacketGetenvResponse(BBPacket):
return self.text
-class BBPacketFS(BBPacket):
+class BBPacketFsRequest(BBPacket):
def __init__(self, raw=None, payload=None):
- super(BBPacketFS, self).__init__(BBType.fs, payload=payload, raw=raw)
+ super(BBPacketFsRequest, self).__init__(BBType.fs,
+ payload=payload,
+ raw=raw)
def __repr__(self):
- return "BBPacketFS(payload=%r)" % self.payload
+ return "BBPacketFsRequest(payload=%r)" % self.payload
-class BBPacketFSReturn(BBPacket):
+class BBPacketFsResponse(BBPacket):
def __init__(self, raw=None, payload=None):
- super(BBPacketFSReturn, self).__init__(BBType.fs_return, payload=payload, raw=raw)
+ super(BBPacketFsResponse, self).__init__(BBType.fs,
+ BBFlag.response,
+ payload=payload,
+ raw=raw)
def __repr__(self):
- return "BBPacketFSReturn(payload=%r)" % self.payload
+ return "BBPacketFsResponse(payload=%r)" % self.payload
diff --git a/scripts/remote/ratpfs.py b/scripts/remote/ratpfs.py
index 91ca04454..9e88b03a6 100644
--- a/scripts/remote/ratpfs.py
+++ b/scripts/remote/ratpfs.py
@@ -9,7 +9,7 @@ import stat
import struct
from enum import IntEnum
-from .messages import BBPacketFS, BBPacketFSReturn
+from .messages import BBPacketFsRequest, BBPacketFsResponse
class RatpFSType(IntEnum):
invalid = 0
@@ -138,7 +138,7 @@ class RatpFSServer(object):
return ""
def handle(self, bbcall):
- assert isinstance(bbcall, BBPacketFS)
+ assert isinstance(bbcall, BBPacketFsRequest)
logging.debug("bb-call: %s", bbcall)
fscall = RatpFSPacket(raw=bbcall.payload)
logging.info("fs-call: %s", fscall)
@@ -184,6 +184,6 @@ class RatpFSServer(object):
raise RatpFSError()
logging.info("fs-return: %s", fsreturn)
- bbreturn = BBPacketFSReturn(payload=fsreturn.pack())
+ bbreturn = BBPacketFsResponse(payload=fsreturn.pack())
logging.debug("bb-return: %s", bbreturn)
return bbreturn
--
2.15.1
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