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fix(arch): Prevent double-initialization of the lwip layer

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This commit is contained in:
Julius Pfrommer
2024-12-10 22:51:34 +01:00
committed by Noel Graf
parent a27b3da264
commit f0ff49ebcf
1 changed files with 17 additions and 9 deletions
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arch/lwip/eventloop_lwip_tcp.c
+17 -9
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@@ -1104,6 +1104,7 @@ TCP_eventSourceDelete(UA_ConnectionManager *cm) {
}
static const char *tcpName = "tcp";
static bool init_already = false;
UA_ConnectionManager *
UA_ConnectionManager_new_LWIP_TCP(const UA_String eventSourceName) {
@@ -1112,17 +1113,24 @@ UA_ConnectionManager_new_LWIP_TCP(const UA_String eventSourceName) {
if(!cm)
return NULL;
tcpip_init(NULL, NULL);
ip4_addr_t ipaddr, netmask, gw;
#ifndef LWIP_TCPIP_CORE_LOCKING
#error Core locking needs to be enabled
#endif
LWIP_PORT_INIT_IPADDR(ipaddr);
LWIP_PORT_INIT_NETMASK(netmask);
LWIP_PORT_INIT_GW(gw);
/* The initialization can only be done once for the runtime of the process */
if(!init_already) {
tcpip_init(NULL, NULL);
ip4_addr_t ipaddr, netmask, gw;
LWIP_PORT_INIT_IPADDR(ipaddr);
LWIP_PORT_INIT_NETMASK(netmask);
LWIP_PORT_INIT_GW(gw);
LOCK_TCPIP_CORE();
init_default_netif(&ipaddr, &netmask, &gw);
netif_set_up(netif_default);
UNLOCK_TCPIP_CORE();
LOCK_TCPIP_CORE();
init_default_netif(&ipaddr, &netmask, &gw);
netif_set_up(netif_default);
UNLOCK_TCPIP_CORE();
}
init_already = true;
cm->cm.eventSource.eventSourceType = UA_EVENTSOURCETYPE_CONNECTIONMANAGER;
UA_String_copy(&eventSourceName, &cm->cm.eventSource.name);