Il 17/04/2023 12:41, Simon Goldschmidt ha scritto:
Am 17. April 2023 08:38:56 MESZ schrieb Giuseppe Modugno
:
Il 15/04/2023 01:58, Giuseppe Modugno ha scritto:
[...]
I don't know exactly why, but the problem disappeared in my build system after
postponing lwipallapps
Il 15/04/2023 01:58, Giuseppe Modugno ha scritto:
[...]
Now I enabled LWIP_MQTT_APP and I receive the following errors during
build:
[ 99%] Linking C executable example_app.exe
liblwipcontribexamples.a(mqtt_example.obj): In function
`mqtt_connection_cb':
C:/temp/lwip/contrib/examples/mqtt
I cloned lwip and mbedtls repositories in the same folder on a Windows
system. I also put WpdPack in the same folder.
I have a mingw compiler that I'd like to use instead of Visual Studio.
It works well with the following command:
c:\tools\cmake\bin\cmake.exe -G "MinGW Makefiles" ..
I was testing an http client that downloads a file from a server, with
NO_SYS=1 and raw api. It seems works well, but I noticed pcapif_poll()
doesn't return during all the download process that takes several
seconds. Indeed pcapif_poll() contains a loop:
void
pcapif_poll(struct netif *netif)
Il 14/04/2023 20:19, Simon Goldschmidt ha scritto:
On 13.04.2023 13:23, Giuseppe Modugno wrote:
What is the latest mbedtls version that is compatible with lwip,
specifically the layer altcp_tls_mbedtls.c?
Sorry, the current source did not track the version which it is
compatible
In the past I enabled ALTCP layer to add TLS and I used
altcp_tls_mbedtls examples present in lwip repo.
I thought it was the way to add TLS to lwip.
Recently I looked at some example projects of NXP, such as this[1].
This is an example of a TLS httpd server. TLS is added by mbedtls, but
ALTCP
What is the latest mbedtls version that is compatible with lwip,
specifically the layer altcp_tls_mbedtls.c?
For sure, current development source code of lwip is not compatible with
latest mbedtls version. Indeed, you can see in altcp_tls_mbedtls.c the
following includes:
|#include
Il 04/01/2023 21:46, goldsi...@gmx.de ha scritto:
Am 30.12.2022 um 17:10 schrieb Giuseppe Modugno:
The typical scenario of lwip is an embedded platform. When a wall clock
is needed and the device is network connected, NTP is usually used to
retrieve automatically the correct time at startup
The typical scenario of lwip is an embedded platform. When a wall clock
is needed and the device is network connected, NTP is usually used to
retrieve automatically the correct time at startup and stay in sync with
an accurate reference (in other cases, the user can set a time as he wants).
Il 13/10/2022 20:02, Simon Goldschmidt ha scritto:
On 13.10.2022 12:59, Giuseppe Modugno wrote:
LPC546xx MCUs have the capability to offload checksum for IP, TCP, UDP
and ICMP, for outgoing and ingoing packets.
I enabled the generation of checksum for IPv4 for outgoing packets and
it seems
LPC546xx MCUs have the capability to offload checksum for IP, TCP, UDP
and ICMP, for outgoing and ingoing packets.
I enabled the generation of checksum for IPv4 for outgoing packets and
it seems working well. Now I want to enable and test checksum offload
for incoming IPv4 datagrams, but I'm
Il 12/10/2022 21:11, goldsi...@gmx.de ha scritto:
Am 11.10.2022 um 17:11 schrieb Giuseppe Modugno:
Another thing I can't understand is why the code around
LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT is needed if:
* NO_SYS=1
* MEM_USE_POOLS=0
* MEM_LIBC_MALLOC=0
* SYS_LIGHTWEIGHT_PROT=1
fragmented heap) and having interrupts disabled for so long
time is not good? So the interrupts are enabled and disabled for each
loop to give them opportunity to run?
Il 11/10/2022 11:10, Giuseppe Modugno ha scritto:
Thanks Simon. I want to summarize here all the possibilities with
NO_SYS
:25, Simon Goldschmidt ha scritto:
Am 10. Oktober 2022 18:32:15 MESZ schrieb Giuseppe Modugno
:
I'm sorry to post again.
I just understood LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEX is used in mem.c for
MEM_USE_POOLS=0 and MEM_LIBC_MALLOC=0 (default lwip heap management from a
statically allocated buff
and pbuf_free is called in ISR, with or without
LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT? It seems memory pools free is
safe to be used from ISR, because I don't see any protection for them
(differently of lwip default dynamic allocator).
Il 10/10/2022 18:22, Giuseppe Modugno ha scritto:
I'm sorry, I'm
I'm sorry, I'm using MEM_USE_POOLS=0 *and* MEM_LIBC_MALLOC=1 *and*
mem_clib_free/mem_clib_malloc redefined to a custom buffer-based memory
allocator (derived from mbedtls[1].
Il 10/10/2022 18:15, Giuseppe Modugno ha scritto:
After studying a little more, I understood the problem of using
/library/memory_buffer_alloc.c
Il 04/10/2022 16:46, Giuseppe Modugno ha scritto:
I started from an example of NXP SDK for LPC546xx MCUs. I'm using
baremetal (NO_SYS=1) and I found the following warning in
enet_ethernetif_lpc.c, function ethernetif_tx_release():
---
#if NO_SYS
#if defined
I started from an example of NXP SDK for LPC546xx MCUs. I'm using
baremetal (NO_SYS=1) and I found the following warning in
enet_ethernetif_lpc.c, function ethernetif_tx_release():
---
#if NO_SYS
#if defined(LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT) &&
LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT
I'm trying to make a data connection with a 4G modem from SIMCOM (A7672E).
After AT+CGDATA=... and ATD*99#, the modem replies with CONNECT and
enters in online data state.
Now I'm ready to launch lwip app configured to use PPPoSerial and
sntp_example (just to understand if the full stack is
I'm using LPC1788 for a product that is in full production for a couple
of years without many problems.
Unfortunately I'm using now RTOS and raw API, so I don't think I can
help you.
Most probably, other users will reply with suggestions on how to track
and identify your issue.
Il
Il 12/10/2021 19:17, Sylvain Rochet ha scritto:
Hi Giuseppe,
On Tue, Oct 12, 2021 at 09:26:00AM +0200, Giuseppe Modugno wrote:
I have an embedded project where lwip is used in a microcontroller
(Cortex-M3 by LPC). The network interface is a standard Ethernet. The MCU
features a MMI interface
Il 12/10/2021 11:29, Gisle Vanem ha scritto:
Giuseppe Modugno wrote:
The serial channel for ppp/data and AT commands is single, so how can
I multiplex them? Should I use CMUX?
The PPP protocol handles this multiplexing itself. Using an
escape octet "stuffing procedure" (octet 0
I have an embedded project where lwip is used in a microcontroller
(Cortex-M3 by LPC). The network interface is a standard Ethernet. The
MCU features a MMI interface with an external Ethernet PHY.
It works well, I'm able to open a MQTTs connection with a broker, enable
NTP request, download
ATWINC1500 is a WiFi module that could work in Ethernet/Bypass mode.
It's very interesting, because I already developed a network board with
Ethernet connectivity and now I need to develop a similar network board
with WiFi connectivity.
I would like to reuse as much software as I can, mostly
I designed a network adapter board with Ethernet interface and lwip
TCP/IP stack, with DHCP client enabled. It works well.
What happens if I disconnect the Ethernet cable from one network and
connect it to a second network where is a different DHCP server? Mainly
if the first network works on
As is written in altcp_tls_mbedtls_mem.c, I want to override this module
with my own implementation. However I don't find an option to exclude
lwip implementation from the build.
Actually I changed the source code of altcp_tls_mbedtls_mem.c, but I'd
prefer to leave lwip code identical to the
Hello Thomas,
I actually involved in a project similar to yours: NXP MCU (LPC1768)
that connects to AWS IoT Core through MQTT over TLS.
It is complex, in my case because of limited RAM (only internal
32k+32kB). I hope you have more space.
Anyway I was able to connect to AWS including lwip
I'm using lwip MQTT client implementation to publish messages and subscribe
to topics. I receive messages on subscribed topics with success.
Now I'm implementing a parser of incoming messages (maybe I'll use ASN.1
uPER encoded). However I'm not sure if I will receive always the complete
message
Many times in the application payloads you have a message with non
null-terminated string, where the length of the string is in another
variable (derived from the length of the packet).
I think of MQTT messages that have strings. The callback parameters are
the pointer to the first char of
I have a project that uses lwip/pcapif on Windows and it works well.
I wanted to run two instances of the same program with different mac
address, ip address and so on. I started patching
pcapif_low_level_init() to retrieve the mac address from an externa
function (the original code used a
First MQTTs connection works fine. However I noticed that the second
connection attempt after a disconnection doesn't work.
For example, if I unplug Ethernet cable, MQTT client detects connection
failure (because of lacks of PINGRESP from server) and disconnect. The
MQTT connection callback
Il 29/03/2019 15:53, Sergio R. Caprile ha scritto:
The recommendations are to use separate pools for rx and tx so they can
not starve each other. Since PBUF_RAM is used for tx, then rx is
expected to use PBUF_POOL. I bet you can also use separate pools but I
don't know how.
Last time I checked,
I'm using LPC1769 MCU. I'm using source code from NXP SDK that works.
I need to free some RAM to use mbedTLS libraries, so I was studying the
code better. I found that NXP Ethernet driver preallocates a number of
pbufs for RX DMA descriptors. The code uses:
p = pbuf_alloc(PBUF_RAW,
Il 26/02/2019 09:58, Simon Goldschmidt ha scritto:
Giuseppe Modugno wrote:
An: lwip-users@nongnu.org
Betreff: Re: [lwip-users] altcp_tls_mbedtls
Il 25/02/2019 20:19, goldsi...@gmx.de ha scritto:
Am 22.02.2019 um 10:24 schrieb Giuseppe Modugno:
Il 22/02/2019 09:43, Simon Goldschmidt ha
Il 25/02/2019 20:19, goldsi...@gmx.de ha scritto:
Am 22.02.2019 um 10:24 schrieb Giuseppe Modugno:
Il 22/02/2019 09:43, Simon Goldschmidt ha scritto:
[snip]
Is this warning correct? I think TCP_WND should be compared with
MBEDTLS_SSL_IN_CONTENT_LEN or MBEDTLS_SSL_OUT_CONTENT_LEN
Il 25/02/2019 20:23, goldsi...@gmx.de ha scritto:
Am 23.02.2019 um 10:20 schrieb Giuseppe Modugno:
I know, this is a hot topic and many times this was explaied in the
list and in doc/rawapi.txt, however now I'm in trouble understanding
this.
tcp_recved() is related to the TCP window size
I know, this is a hot topic and many times this was explaied in the list
and in doc/rawapi.txt, however now I'm in trouble understanding this.
tcp_recved() is related to the TCP window size of the receiver: "The
purpose is to advertise a larger window when the data has been processed.".
Isn't the
Il 22/02/2019 09:54, Andy Pont ha scritto:
Giuseppe wrote...
I'm trying to integrate lwip and mbedTLS on a project running on
LPC1769 MCU from NXP. This MCU features 64kB SRAM in two separate
banks of 32kB.
I don’t have any particular experience of the lwIP + mbedTLS
combination that you are
Il 22/02/2019 09:43, Simon Goldschmidt ha scritto:
Giuseppe Modugno wrote:
I'm trying to integrate lwip and mbedTLS on a project running on LPC1769
MCU from NXP. This MCU features 64kB SRAM in two separate banks of 32kB.
If it works at all, it will certainly get *very* hard. Aside from
I'm trying to integrate lwip and mbedTLS on a project running on LPC1769
MCU from NXP. This MCU features 64kB SRAM in two separate banks of 32kB.
As you can understand, I'm fighting putting all together with so small
SRAM. I'm not sure mbedTLS+lwip could really work in 64kB. I'm
interested in
I'm going to add mbedTLS to my lwip project. I noticed many recent
commits with changes regaring mbedTLS integration.
Do you suggest to use lwip STABLE_2_1_2_RELEASE commit, last commit in
STABLE_2_1_x branch, or last commit in master branch?
___
I'm trying to implement a dynamic DNS client with lwip. The update
protocol[1] is very simple: it's HTTP based, so I thought to use
http_client.c that comes with lwip project.
Unfortunately this protocol needs the header "Authorization" in the
request. It seems http_client.c doesn't support
Il 09/11/2018 04:05, uaz ha scritto:
Hi all,
I'm currently running lwip v2.0.3 on LPC4357 platform.
I have some issue with pbuf mem_alloc(), which I believe is fragmentation
issue because after several packet transfers, I'm unable to allocate pbuf
anymore.
I don't know if it is the same
It isn't strictly related to lwip. I'm sorry for that, but I couldn't
find useful info out there.
I have an embedded device running lwip and an Ethernet interface. The
device is connected to Internet. I need to send push notifications to a
group of mobile devices associated with that embedded
Il 22/05/2018 22:12, goldsi...@gmx.de ha scritto:
On 22.05.2018 11:11, Giuseppe Modugno wrote:
I'm not sure. Is there a decoding function for URI?
I mean, a function that converts %20 and similar escape codes in the
corresponding ASCII char.
Our httpd does not (yet?) support this. If you
I'm not sure. Is there a decoding function for URI?
I mean, a function that converts %20 and similar escape codes in the
corresponding ASCII char.
___
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lwip-users@nongnu.org
https://lists.nongnu.org/mailman/listinfo/lwip-users
Il 21/05/2018 14:26, Sergio R. Caprile ha scritto:
You can do whatever you want.
The question is probably not what can you do but what do you have
available to obtain what you need with lesser effort.
There are FTP clients around, I've collaborated in one of them using the
RAW API, search the
I have a device running lwip stack and httpd server. The device has an
external 2MB SPI Flash memory. The CPU is a microcontroller with 512kB
internal Flash.
I'd like to upgrade the firmware (the internal Flash memory) by download
the new binary from Internet. The user can check the presence
Il 09/04/2018 15:00, Sergio R. Caprile ha scritto:
My personal opinion follows:
Do you absolutely need HTTP ?
As long as we don't have IPv6 (and fixed addresses), we have to go DDNS
and port forwarding. Yes, this requires an end user holding a PhD or at
least the techie ones. So... the whole
My embedded device, running lwip httpd server, is under a router with a
dynamic public IP address and a local private network 192.168.1.x. I
know how to configure DDNS and NAT on the router to reach the server
from outside, but these are tedious and tricky steps for most users.
So I'm
Il 15/03/2018 11:28, Simon Goldschmidt ha scritto:
Giuseppe Modugno wrote:
[..]
I think with the following options:
#define MEM_LIBC_MALLOC 0
#define MEM_USE_POOLS 1
#define MEM_USE_CUSTOM_POOLS 1 /* Needed by MEM_USE_POOLS */
It's MEMP_USE_CUSTOM_POOLS, not MEM_USE_CUSTOM_POOLS
Il 14/03/2018 21:24, Nathan Hartman ha scritto:
On Mar 14, 2018, at 3:24 PM, "goldsi...@gmx.de" <goldsi...@gmx.de> wrote:
On 14.03.2018 17:09, Giuseppe Modugno wrote:
#define MEM_LIBC_MALLOC 1
If I try to set MEMP_MEM_MALLOC, I have some strange problems.
I suspect thr
Il 14/03/2018 20:24, goldsi...@gmx.de ha scritto:
On 14.03.2018 17:09, Giuseppe Modugno wrote:
#define MEM_LIBC_MALLOC 1
If I try to set MEMP_MEM_MALLOC, I have some strange problems.
I suspect threading issues. I checked on win32 and it seems to work
fine. In the end, there's not really
Il 14/03/2018 16:42, Giuseppe Modugno ha scritto:
I was experimenting with lwip memory allocator. I defined:
#define MEM_LIBC_MALLOC 0
#define MEM_USE_POOLS 0
#define MEM_SIZE (32 * 1024)
#define LWIP_RAM_HEAP_POINTER ( (void *)0x2007C000 )
I'm using LPC1768 that has a 32kB SRAM block
Il 14/03/2018 20:26, goldsi...@gmx.de ha scritto:
On 14.03.2018 16:42, Giuseppe Modugno wrote:
I was experimenting with lwip memory allocator. I defined:
#define MEM_LIBC_MALLOC 0
#define MEM_USE_POOLS 0
#define MEM_SIZE (32 * 1024)
#define LWIP_RAM_HEAP_POINTER ( (void *)0x2007C000
#define MEM_LIBC_MALLOC 1
If I try to set MEMP_MEM_MALLOC, I have some strange problems.
After many HTTP GET requests, the HTTP server stops answering. It seems
the Ethernet MAC driver (from NXP, I'm using LPC1768) isn't able to
receive Ethernet frames and ethernet_input() isn't called
I was experimenting with lwip memory allocator. I defined:
#define MEM_LIBC_MALLOC 0
#define MEM_USE_POOLS 0
#define MEM_SIZE (32 * 1024)
#define LWIP_RAM_HEAP_POINTER ( (void *)0x2007C000 )
I'm using LPC1768 that has a 32kB SRAM block starting from address
0x2007C000. However I have a
I have ip4_addr_t and I want to set it to a "null"/invalid value. Is it
better to use IPADDR_NONE or IPADDR_ANY?
At first, I thought IPADDR_NONE was the best choice, but I found that
dns.c uses IPADDR_ANY to flag a DNS server as invalid.
Moreover, there are ip4_addr_isany() and
Il 27/02/2018 08:54, Giuseppe Modugno ha scritto:
Il 27/02/2018 06:36, Simon Goldschmidt ha scritto:
Giuseppe Modugno wrote:
And another thing I couldn't explain. The example uses pextension
pointer for malloc/free. However it sets file->data =
file->pextension immediately.
So why don
Il 27/02/2018 13:08, Giuseppe Modugno ha scritto:
I'm thinking if it's better to set MEMP_MEM_MALLOC or not in my
application. I'm working with MEMP_MEM_MALLOC=1 (I started from an
example) and it works. However I'm not sure it's the best choice for me.
So what are the arguments
I'm thinking if it's better to set MEMP_MEM_MALLOC or not in my
application. I'm working with MEMP_MEM_MALLOC=1 (I started from an
example) and it works. However I'm not sure it's the best choice for me.
So what are the arguments for and against MEMP_MEM_MALLOC?
This is what I have
Il 27/02/2018 06:39, Simon Goldschmidt ha scritto:
Giuseppe Modugno wrote:
#ifndef HTTP_IS_DATA_VOLATILE
#if LWIP_HTTPD_SSI
/* Copy for SSI files, no copy for non-SSI files */
#define HTTP_IS_DATA_VOLATILE(hs) ((hs)->ssi ? TCP_WRITE_FLAG_COPY : 0)
#else /* LWIP_HTTPD_SSI */
/** Default: do
Il 27/02/2018 06:36, Simon Goldschmidt ha scritto:
Giuseppe Modugno wrote:
And another thing I couldn't explain. The example uses pextension pointer for
malloc/free. However it sets file->data = file->pextension immediately.
So why don't use just file->data? It seems pextension
2018-02-26 16:51 GMT+01:00 Giuseppe Modugno <
giuseppe.modugno.lo...@gmail.com>:
> I read the examples in lwip-contrib, mainly genfiles_example.c.
And another thing I couldn't explain. The example uses pextension pointer
for malloc/free. However it sets file->data = file->pextens
2018-02-26 19:45 GMT+01:00 goldsi...@gmx.de <goldsi...@gmx.de>:
> On 26.02.2018 16:51, Giuseppe Modugno wrote:
>
>> I read the examples in lwip-contrib, mainly genfiles_example.c. The
>> dynamic memory allocated for the file content is freed in
>> fs_close_custom().
I read the examples in lwip-contrib, mainly genfiles_example.c. The
dynamic memory allocated for the file content is freed in
fs_close_custom(). However I couldn't explain why.
Indeed, mostly if the content is small, it is completely sent in
Il 26/02/2018 12:57, Simon Goldschmidt ha scritto:
Giuseppe Modugno wrote:
I compiled makefsdata.c with miniz.c and enabled compression, that is
only deflate. It seems it works well here with my files (I tested with
Chrome).
However I have a doubt. Is deflate the right compression scheme
I compiled makefsdata.c with miniz.c and enabled compression, that is
only deflate. It seems it works well here with my files (I tested with
Chrome).
However I have a doubt. Is deflate the right compression scheme to use?
I read something confusing about deflate, something related to early
Does lwip supports UPnP protocol? I need to open port forwarding on the
Internet Gateway Device in the LAN where lwip is connected.
I tried to search for this, but I found only old and confusing info.
If lwip doesn't support UPnP, does someone implemented it in its
application code? I'm
Another OT.
In order to reduce Flash space for the filesystem used by httpd, I'm
thinking to reduce the size of .html, .css and .js files. This means
removing comments, spaces (when not needed) and maybe changing variable
names (from "my_long_variable" in "xtr").
Do you know of some tools
Il 20/02/2018 08:51, goldsi...@gmx.de ha scritto:
On 20.02.2018 08:15, Giuseppe Modugno wrote:
I think this isn't strictly related to lwip, but it's a request typical
on electronic devices where lwip runs, i.e. devices with limited and
restricted resources.
It is somewhat related to lwIP
I think this isn't strictly related to lwip, but it's a request typical
on electronic devices where lwip runs, i.e. devices with limited and
restricted resources.
I have a limited non-volatile memory where to save html (and css, and
images, and javascript, ...) files. Considering that the
Consider that the browser can't continue the communication with the
server if you change the server IP address. So I implemented the IP
address change of the web server in the following way.
The client requests a URI with a query string with the new IP
configuration. httpd calls a CGI
Until now, I was using the embedded fs generated by the tool makefsdata.
Unfortunately the filesystem I'd like to create is bigger than the
internal Flash memory of the MCU.
I'm thinking to use an external SPI Flash memory to save the filesystem.
So I need another tool that creates an ouput
Il 27/11/2017 20:38, goldsi...@gmx.de ha scritto:
Giuseppe Modugno wrote:
[..] Why the server should close the connection when the Content
Length header is not send?
Because the client cannot reuse this connection to send more requests
as it doesn't know when the server is finished.
HTTP
Il 27/11/2017 16:53, Giuseppe Modugno ha scritto:
Is there some example how to implement an Update Client for a Dynamic
DNS service, such as No-IP?
It seems not too difficult to implement an Update Client for No-Ip: the
update is a simple HTTP GET request to No-IP server.
In that case, I have
Is there some example how to implement an Update Client for a Dynamic
DNS service, such as No-IP?
Thanks
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Il 24/11/2017 16:43, goldsimon ha scritto:
You're right in that it doesn't work. The browser has no way to know
the body size.
The downside of not sending conten length is that the server will have
to close the connection. Reopening it might take longer than just
sending zero bytes to create
1. I don't know the content length in advance. So I have to start
with a length that is surely greater than the final length,
otherwise the browser stops receveing data before the end. However
what happens if Content Length header says 300 and only 100 bytes
were received?
Il 22/11/2017 17:09, goldsi...@gmx.de ha scritto:
Giuseppe Modugno wrote:
I'm sorry for the second email.
I noticed in tcp_output():
/**/* First, check if we are invoked by the TCP input processing//
// code. If so, we do not output anything. Instead, we rely
Il 22/11/2017 17:07, goldsi...@gmx.de ha scritto:
Giuseppe Modugno wrote:
I'm trying to understand the mechanisms under TCP_WRITE_FLAG_MORE,
tcp_write() and tcp_output(). I'm using raw API.
First of all, I couldn't understand if tcp_output() is useful or not.
Why do you think all
Il 13/11/2017 21:25, goldsi...@gmx.de ha scritto:
Giuseppe Modugno wrote:
The prototype for SSI callbacks is:
[..]
I don't see any reference to query string parameters. So how to
select the right action?
Sorry for the confusion. This is a mix of resource optimization,
missing documentation
Il 14/11/2017 13:54, Noam Weissman ha scritto:
Hi,
HTTPD is widely used and if you look around you can find examples from ST micro
TI and other vendors.
Do you mean HTTPD *without* a secure layer? Yes, I know there are many
examples of it, but IMHO because it is simpler than a full HTTPS
Il 13/11/2017 21:25, goldsi...@gmx.de ha scritto:
Giuseppe Modugno wrote:
The prototype for SSI callbacks is:
[..]
I don't see any reference to query string parameters. So how to
select the right action?
Sorry for the confusion. This is a mix of resource optimization,
missing documentation
ped,
Noam.
*From:*lwip-users
[mailto:lwip-users-bounces+noam=silrd@nongnu.org] *On Behalf Of
*Giuseppe Modugno
*Sent:* Monday, November 13, 2017 6:09 PM
*To:* lwip-users@nongnu.org
*Subject:* Re: [lwip-users] httpd: how to implement AJAX
Il 13/11/2017 14:34, Noam Weissman ha scritto:
Hi,
Il 13/11/2017 14:34, Noam Weissman ha scritto:
Hi,
I am using the following technic for AJAX.
Create an empty file named ajax.shtml or ajax.html and add it to your file list.
Inside the file you only write one tag without anything else. For example
Do not add CR or LF just the tag !!.
I'm trying to create a website with AJAX technology: the client polls,
at regular intervals, the server with GET requests of file /status.json.
The response is dynamic.
I could use only LWIP_HTTPD_CUSTOM_FILES and create the file at runtime
in fs_open_custom(). It works, but I can't decode
Il 11/11/2017 09:07, goldsimon ha scritto:
Giuseppe Modugno wrote:
I'd like to protect some or all web pages and show them only to
authorized
people. I understood there are two methods: basic and digest.
I guess both are outdated. Modern web pages use a custom input field which is
sent
I'd like to protect some or all web pages and show them only to authorized
people. I understood there are two methods: basic and digest.
Basic is simpler, but it is unsecure (because it uses base64). In this case
you need TLS.
Digest is more complicated but it is more secure (it uses MD5
Il 09/11/2017 17:43, Joel Cunningham ha scritto:
On 11/09/2017 03:41 AM, Giuseppe Modugno wrote:
Il 08/11/2017 16:34, Joel Cunningham ha scritto:
The ping works well if I launch "ping 192.168.1.156" command from
*another* computer on the same network.
You're most likely running into
Il 08/11/2017 18:20, Gisle Vanem ha scritto:
Giuseppe Modugno wrote:
So I have an Ethernet interface with two IP and MAC addresses. It
seems it works, except for one thing.
I tested connectivity by running "ping 192.168.1.156" command from a
shell on the same computer. No reply!
The
Il 08/11/2017 16:34, Joel Cunningham ha scritto:
The ping works well if I launch "ping 192.168.1.156" command from
*another* computer on the same network.
You're most likely running into a checksum offload problem since you
can't contact the LwIP stack from the Windows host, but you CAN from
Hello lwip users, this is my first post. I hope this is the right
mailing list for my question.
I started with lwip, so I downloaded both lwip and lwip-contrib. I was
able to compile lwip test application for win32 (mingw compiler). When I
launch test application on third adapter interface
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