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Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/external/lwip/src/apps/snmp/snmp_netconn.c')
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/external/lwip/src/apps/snmp/snmp_netconn.c121
1 files changed, 121 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/lwip/src/apps/snmp/snmp_netconn.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/lwip/src/apps/snmp/snmp_netconn.c
new file mode 100644
index 0000000..24c3e26
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/lwip/src/apps/snmp/snmp_netconn.c
@@ -0,0 +1,121 @@
+/**
+ * @file
+ * SNMP netconn frontend.
+ */
+
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * Author: Dirk Ziegelmeier <dziegel@gmx.de>
+ */
+
+#include "lwip/apps/snmp_opts.h"
+
+#if LWIP_SNMP && SNMP_USE_NETCONN
+
+#include <string.h>
+#include "lwip/api.h"
+#include "lwip/ip.h"
+#include "lwip/udp.h"
+#include "snmp_msg.h"
+#include "lwip/sys.h"
+
+/** SNMP netconn API worker thread */
+static void
+snmp_netconn_thread(void *arg)
+{
+ struct netconn *conn;
+ struct netbuf *buf;
+ err_t err;
+ LWIP_UNUSED_ARG(arg);
+
+ /* Bind to SNMP port with default IP address */
+#if LWIP_IPV6
+ conn = netconn_new(NETCONN_UDP_IPV6);
+ netconn_bind(conn, IP6_ADDR_ANY, SNMP_IN_PORT);
+#else /* LWIP_IPV6 */
+ conn = netconn_new(NETCONN_UDP);
+ netconn_bind(conn, IP4_ADDR_ANY, SNMP_IN_PORT);
+#endif /* LWIP_IPV6 */
+ LWIP_ERROR("snmp_netconn: invalid conn", (conn != NULL), return;);
+
+ snmp_traps_handle = conn;
+
+ do {
+ err = netconn_recv(conn, &buf);
+
+ if (err == ERR_OK) {
+ snmp_receive(conn, buf->p, &buf->addr, buf->port);
+ }
+
+ if (buf != NULL) {
+ netbuf_delete(buf);
+ }
+ } while(1);
+}
+
+err_t
+snmp_sendto(void *handle, struct pbuf *p, const ip_addr_t *dst, u16_t port)
+{
+ err_t result;
+ struct netbuf buf;
+
+ memset(&buf, 0, sizeof(buf));
+ buf.p = p;
+ result = netconn_sendto((struct netconn*)handle, &buf, dst, port);
+
+ return result;
+}
+
+u8_t
+snmp_get_local_ip_for_dst(void* handle, const ip_addr_t *dst, ip_addr_t *result)
+{
+ struct netconn* conn = (struct netconn*)handle;
+ struct netif *dst_if;
+ const ip_addr_t* dst_ip;
+
+ LWIP_UNUSED_ARG(conn); /* unused in case of IPV4 only configuration */
+
+ ip_route_get_local_ip(&conn->pcb.udp->local_ip, dst, dst_if, dst_ip);
+
+ if ((dst_if != NULL) && (dst_ip != NULL)) {
+ ip_addr_copy(*result, *dst_ip);
+ return 1;
+ } else {
+ return 0;
+ }
+}
+
+/**
+ * Starts SNMP Agent.
+ */
+void
+snmp_init(void)
+{
+ sys_thread_new("snmp_netconn", snmp_netconn_thread, NULL, SNMP_STACK_SIZE, SNMP_THREAD_PRIO);
+}
+
+#endif /* LWIP_SNMP && SNMP_USE_NETCONN */