<p>daniel has uploaded this change for <strong>review</strong>.</p><p><a href="https://gerrit.osmocom.org/c/osmo-sgsn/+/21495">View Change</a></p><pre style="font-family: monospace,monospace; white-space: pre-wrap;">gbproxy: Add BVC log filters<br><br>Since gbproxy doesn't use bssgp_rcvmsg from libosmocore we need to<br>implement our own filtering.<br><br>Change-Id: I4d1b57b89990945d307f27a58a7f630be0253d5b<br>Related: SYS#5232<br>---<br>M src/gbproxy/gb_proxy.c<br>M src/gbproxy/gb_proxy_peer.c<br>M src/gbproxy/gb_proxy_vty.c<br>3 files changed, 41 insertions(+), 1 deletion(-)<br><br></pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;">git pull ssh://gerrit.osmocom.org:29418/osmo-sgsn refs/changes/95/21495/1</pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;"><span>diff --git a/src/gbproxy/gb_proxy.c b/src/gbproxy/gb_proxy.c</span><br><span>index d8b828c..9090d19 100644</span><br><span>--- a/src/gbproxy/gb_proxy.c</span><br><span>+++ b/src/gbproxy/gb_proxy.c</span><br><span>@@ -31,6 +31,7 @@</span><br><span> #include <arpa/inet.h></span><br><span> #include <time.h></span><br><span> </span><br><span style="color: hsl(120, 100%, 40%);">+#include <osmocom/core/logging.h></span><br><span> #include <osmocom/core/talloc.h></span><br><span> #include <osmocom/core/select.h></span><br><span> #include <osmocom/core/rate_ctr.h></span><br><span>@@ -1594,6 +1595,7 @@</span><br><span> msgb_bvci(oph->msg) = nsp->bvci;</span><br><span> msgb_nsei(oph->msg) = nsp->nsei;</span><br><span> </span><br><span style="color: hsl(120, 100%, 40%);">+ log_set_context(LOG_CTX_GB_BVC, (void *)(uintptr_t)nsp->bvci);</span><br><span> rc = gbprox_rcvmsg(cfg, oph->msg);</span><br><span> msgb_free(oph->msg);</span><br><span> break;</span><br><span>diff --git a/src/gbproxy/gb_proxy_peer.c b/src/gbproxy/gb_proxy_peer.c</span><br><span>index 62c4d94..1c3acd9 100644</span><br><span>--- a/src/gbproxy/gb_proxy_peer.c</span><br><span>+++ b/src/gbproxy/gb_proxy_peer.c</span><br><span>@@ -25,6 +25,7 @@</span><br><span> #include <osmocom/sgsn/debug.h></span><br><span> </span><br><span> #include <osmocom/gprs/protocol/gsm_08_18.h></span><br><span style="color: hsl(120, 100%, 40%);">+#include <osmocom/core/logging.h></span><br><span> #include <osmocom/core/rate_ctr.h></span><br><span> #include <osmocom/core/stats.h></span><br><span> #include <osmocom/core/talloc.h></span><br><span>@@ -89,8 +90,9 @@</span><br><span> llist_for_each_entry(nse, &cfg->nse_peers, list) {</span><br><span> struct gbproxy_peer *peer;</span><br><span> llist_for_each_entry(peer, &nse->bts_peers, list) {</span><br><span style="color: hsl(0, 100%, 40%);">- if (peer->bvci == bvci)</span><br><span style="color: hsl(120, 100%, 40%);">+ if (peer->bvci == bvci) {</span><br><span> return peer;</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span> }</span><br><span> }</span><br><span> return NULL;</span><br><span>diff --git a/src/gbproxy/gb_proxy_vty.c b/src/gbproxy/gb_proxy_vty.c</span><br><span>index caad52e..35f2276 100644</span><br><span>--- a/src/gbproxy/gb_proxy_vty.c</span><br><span>+++ b/src/gbproxy/gb_proxy_vty.c</span><br><span>@@ -39,6 +39,7 @@</span><br><span> #include <osmocom/sgsn/vty.h></span><br><span> </span><br><span> #include <osmocom/vty/command.h></span><br><span style="color: hsl(120, 100%, 40%);">+#include <osmocom/vty/logging.h></span><br><span> #include <osmocom/vty/vty.h></span><br><span> #include <osmocom/vty/misc.h></span><br><span> </span><br><span>@@ -538,6 +539,40 @@</span><br><span> return CMD_SUCCESS;</span><br><span> }</span><br><span> </span><br><span style="color: hsl(120, 100%, 40%);">+static void log_set_bvc_filter(struct log_target *target,</span><br><span style="color: hsl(120, 100%, 40%);">+ uintptr_t bvci)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ if (bvci) {</span><br><span style="color: hsl(120, 100%, 40%);">+ target->filter_map |= (1 << LOG_FLT_GB_BVC);</span><br><span style="color: hsl(120, 100%, 40%);">+ target->filter_data[LOG_FLT_GB_BVC] = (void *)bvci;</span><br><span style="color: hsl(120, 100%, 40%);">+ } else if (target->filter_data[LOG_FLT_GB_BVC]) {</span><br><span style="color: hsl(120, 100%, 40%);">+ target->filter_map = ~(1 << LOG_FLT_GB_BVC);</span><br><span style="color: hsl(120, 100%, 40%);">+ target->filter_data[LOG_FLT_GB_BVC] = NULL;</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+DEFUN(logging_fltr_bvc,</span><br><span style="color: hsl(120, 100%, 40%);">+ logging_fltr_bvc_cmd,</span><br><span style="color: hsl(120, 100%, 40%);">+ "logging filter bvc bvci <2-65535>",</span><br><span style="color: hsl(120, 100%, 40%);">+ LOGGING_STR FILTER_STR</span><br><span style="color: hsl(120, 100%, 40%);">+ "Filter based on BSSGP VC\n"</span><br><span style="color: hsl(120, 100%, 40%);">+ "Identify BVC by BVCI\n"</span><br><span style="color: hsl(120, 100%, 40%);">+ "Numeric identifier\n")</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ struct log_target *tgt;</span><br><span style="color: hsl(120, 100%, 40%);">+ uint16_t id = atoi(argv[1]);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ log_tgt_mutex_lock();</span><br><span style="color: hsl(120, 100%, 40%);">+ tgt = osmo_log_vty2tgt(vty);</span><br><span style="color: hsl(120, 100%, 40%);">+ if (!tgt) {</span><br><span style="color: hsl(120, 100%, 40%);">+ log_tgt_mutex_unlock();</span><br><span style="color: hsl(120, 100%, 40%);">+ return CMD_WARNING;</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ log_set_bvc_filter(tgt, id);</span><br><span style="color: hsl(120, 100%, 40%);">+ log_tgt_mutex_unlock();</span><br><span style="color: hsl(120, 100%, 40%);">+ return CMD_SUCCESS;</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span> </span><br><span> DEFUN(show_gbproxy, show_gbproxy_cmd, "show gbproxy [stats]",</span><br><span> SHOW_STR "Display information about the Gb proxy\n" "Show statistics\n")</span><br><span>@@ -881,6 +916,7 @@</span><br><span> {</span><br><span> install_element_ve(&show_gbproxy_cmd);</span><br><span> install_element_ve(&show_gbproxy_links_cmd);</span><br><span style="color: hsl(120, 100%, 40%);">+ install_element_ve(&logging_fltr_bvc_cmd);</span><br><span> </span><br><span> install_element(ENABLE_NODE, &delete_gb_bvci_cmd);</span><br><span> install_element(ENABLE_NODE, &delete_gb_nsei_cmd);</span><br><span></span><br></pre><p>To view, visit <a href="https://gerrit.osmocom.org/c/osmo-sgsn/+/21495">change 21495</a>. 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<div style="display:none"> Gerrit-Project: osmo-sgsn </div>
<div style="display:none"> Gerrit-Branch: master </div>
<div style="display:none"> Gerrit-Change-Id: I4d1b57b89990945d307f27a58a7f630be0253d5b </div>
<div style="display:none"> Gerrit-Change-Number: 21495 </div>
<div style="display:none"> Gerrit-PatchSet: 1 </div>
<div style="display:none"> Gerrit-Owner: daniel <dwillmann@sysmocom.de> </div>
<div style="display:none"> Gerrit-MessageType: newchange </div>