我想为linux构建openthread

Question

我想构建openthread for Linux (POSIX)，并使用这个库来开发一个CoAP客户端应用程序。

现在我已经在Makefile-posix中禁用了UDP_FORWARD，并在src/core/config/platform.h文件中启用了OPENTHREAD_CONFIG_PLATFORM_UDP_ENABLE 1。

我的构建失败，出现以下错误：

Making all in apps Making all in cli   CC       ot_cli_ftd-main.o   C
C       ot_cli_mtd-main.o   CCLD     ot-cli-mtd   CCLD     ot-cli-ftd
../../../src/core/libopenthread-mtd.a(libopenthread_mtd_a-udp6.o): In
function `ot::Ip6::UdpSocket::Open(void (*)(void*, otMessage*,
otMessageInfo const*), void*)':
/home/projects/KNX/openthread/examples/../src/core/net/udp6.cpp:84:
undefined reference to `otPlatUdpSocket'
../../../src/core/libopenthread-mtd.a(libopenthread_mtd_a-udp6.o): In
function `ot::Ip6::UdpSocket::Bind(ot::Ip6::SockAddr const&)':
/home/projects/KNX/openthread/examples/../src/core/net/udp6.cpp:107:
undefined reference to `otPlatUdpBind'
../../../src/core/libopenthread-mtd.a(libopenthread_mtd_a-udp6.o): In
function `ot::Ip6::UdpSocket::Close()':
/home/projects/KNX/openthread/examples/../src/core/net/udp6.cpp:141:
undefined reference to `otPlatUdpClose'
../../../src/core/libopenthread-mtd.a(libopenthread_mtd_a-udp6.o): In
function `ot::Ip6::UdpSocket::SendTo(ot::Message&,
ot::Ip6::MessageInfo const&)':
/home/projects/KNX/openthread/examples/../src/core/net/udp6.cpp:193:
undefined reference to `otPlatUdpSend'
../../../src/core/libopenthread-mtd.a(libopenthread_mtd_a-udp6.o): In
function `ot::Ip6::UdpSocket::Bind(ot::Ip6::SockAddr const&)':
/home/projects/KNX/openthread/examples/../src/core/net/udp6.cpp:114:
undefined reference to `otPlatUdpBind'
../../../src/core/libopenthread-mtd.a(libopenthread_mtd_a-udp6.o): In
function `ot::Ip6::UdpSocket::Connect(ot::Ip6::SockAddr const&)':
/home/projects/KNX/openthread/examples/../src/core/net/udp6.cpp:130:
undefined reference to `otPlatUdpConnect' collect2: error: ld returned
1 exit status Makefile:1284: recipe for target 'ot-cli-mtd' failed
make[5]: *** [ot-cli-mtd] Error 1 make[5]: *** Waiting for unfinished
jobs....
../../../src/core/libopenthread-ftd.a(libopenthread_ftd_a-udp6.o): In
function `ot::Ip6::UdpSocket::Open(void (*)(void*, otMessage*,
otMessageInfo const*), void*)':
/home/projects/KNX/openthread/examples/../src/core/net/udp6.cpp:84:
undefined reference to `otPlatUdpSocket'
../../../src/core/libopenthread-ftd.a(libopenthread_ftd_a-udp6.o): In
function `ot::Ip6::UdpSocket::Bind(ot::Ip6::SockAddr const&)':
/home/projects/KNX/openthread/examples/../src/core/net/udp6.cpp:107:
undefined reference to `otPlatUdpBind'
../../../src/core/libopenthread-ftd.a(libopenthread_ftd_a-udp6.o): In
function `ot::Ip6::UdpSocket::Close()':
/home/projects/KNX/openthread/examples/../src/core/net/udp6.cpp:141:
undefined reference to `otPlatUdpClose'
../../../src/core/libopenthread-ftd.a(libopenthread_ftd_a-udp6.o): In
function `ot::Ip6::UdpSocket::SendTo(ot::Message&,
ot::Ip6::MessageInfo const&)':
/home/projects/KNX/openthread/examples/../src/core/net/udp6.cpp:193:
undefined reference to `otPlatUdpSend'
../../../src/core/libopenthread-ftd.a(libopenthread_ftd_a-udp6.o): In
function `ot::Ip6::UdpSocket::Bind(ot::Ip6::SockAddr const&)':
/home/projects/KNX/openthread/examples/../src/core/net/udp6.cpp:114:
undefined reference to `otPlatUdpBind'
../../../src/core/libopenthread-ftd.a(libopenthread_ftd_a-udp6.o): In
function `ot::Ip6::UdpSocket::Connect(ot::Ip6::SockAddr const&)':
/home/projects/KNX/openthread/examples/../src/core/net/udp6.cpp:130:
undefined reference to `otPlatUdpConnect' collect2: error: ld returned
1 exit status Makefile:1280: recipe for target 'ot-cli-ftd' failed
make[5]: *** [ot-cli-ftd] Error 1 Makefile:442: recipe for target
'all-recursive' failed make[4]: *** [all-recursive] Error 1
Makefile:444: recipe for target 'all-recursive' failed make[3]: ***
[all-recursive] Error 1 Makefile:601: recipe for target
'all-recursive' failed make[2]: *** [all-recursive] Error 1
Makefile:527: recipe for target 'all' failed make[1]: *** [all] Error
2 examples/Makefile-posix:295: recipe for target
'do-build-x86_64-unknown-linux-gnu' failed make: ***
[do-build-x86_64-unknown-linux-gnu] Error 2

我的最终目标是使用openthread库并开发一个Coap客户端应用程序。有人能帮我解决这个问题吗？

Answer 1

启用OPENTHREAD_CONFIG_PLATFORM_UDP_ENABLE需要实现otPlatUdp* API。

对于Linux，您可以查看POSIX应用程序https://github.com/openthread/openthread/tree/master/src/posix。