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https://github.com/berlin-open-wireless-lab/DAWN.git
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treewide: rework mutex
Wrap mutex calls with traceable messages to help debugging resource locks. [cleanup commit message] Signed-off-by: Nick Hainke <vincent@systemli.org>
This commit is contained in:
Ian Clowes
Nick Hainke
parent
0a962bea1f
commit
be49c35686
6 changed files with 76 additions and 46 deletions
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@ -229,11 +229,11 @@ int handle_deauth_req(struct blob_attr* msg) {
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dawnlog_debug_func("Entering...");
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pthread_mutex_lock(&client_array_mutex);
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dawn_mutex_lock(&client_array_mutex);
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client_array_delete_bc(notify_req.bssid_addr, notify_req.client_addr);
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pthread_mutex_unlock(&client_array_mutex);
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dawn_mutex_unlock(&client_array_mutex);
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dawnlog_debug("[WC] Deauth: %s\n", "deauth");
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@ -434,7 +434,7 @@ dump_client(struct blob_attr** tb, struct dawn_mac client_addr, const char* bssi
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memset(client_entry->signature, 0, SIGNATURE_LEN);
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}
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pthread_mutex_lock(&client_array_mutex);
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dawn_mutex_lock(&client_array_mutex);
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// If entry was already in list we get back the old entry, which needs to be freed
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client* prev_entry = client_array_update_entry(client_entry, time(0));
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if (prev_entry)
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@ -443,7 +443,7 @@ dump_client(struct blob_attr** tb, struct dawn_mac client_addr, const char* bssi
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prev_entry = NULL;
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}
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pthread_mutex_unlock(&client_array_mutex);
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dawn_mutex_unlock(&client_array_mutex);
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}
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static int
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@ -346,14 +346,14 @@ bool discard_entry = true;
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dawnlog_trace("Allow authentication due to mac_in_maclist()");
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}
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else {
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pthread_mutex_lock(&probe_array_mutex);
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dawn_mutex_lock(&probe_array_mutex);
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if (dawnlog_showing(DAWNLOG_DEBUG))
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print_probe_array();
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probe_entry *tmp = probe_array_get_entry(auth_req->client_addr, auth_req->bssid_addr);
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pthread_mutex_unlock(&probe_array_mutex);
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dawn_mutex_unlock(&probe_array_mutex);
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/*** Deprecated function decide_function() removed here ***/
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int deny_request = 0;
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@ -418,14 +418,14 @@ int discard_entry = true;
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else if (mac_find_entry(assoc_req->client_addr)) {
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dawnlog_trace("Allow association due to mac_in_maclist()");
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} else {
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pthread_mutex_lock(&probe_array_mutex);
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dawn_mutex_lock(&probe_array_mutex);
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if (dawnlog_showing(DAWNLOG_DEBUG))
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print_probe_array();
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probe_entry *tmp = probe_array_get_entry(assoc_req->client_addr, assoc_req->bssid_addr);
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pthread_mutex_unlock(&probe_array_mutex);
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dawn_mutex_unlock(&probe_array_mutex);
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/*** Deprecated function decide_function() removed here ***/
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int deny_request = 0;
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@ -547,11 +547,11 @@ static int handle_beacon_rep(struct blob_attr *msg) {
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else
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{
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// Update RxxI of current entry if it exists
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pthread_mutex_lock(&probe_array_mutex);
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dawn_mutex_lock(&probe_array_mutex);
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probe_entry* entry_updated = probe_array_update_rcpi_rsni(entry->client_addr, entry->bssid_addr, entry->rcpi, entry->rsni, true);
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pthread_mutex_unlock(&probe_array_mutex);
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dawn_mutex_unlock(&probe_array_mutex);
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if (entry_updated)
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{
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@ -1726,7 +1726,7 @@ int build_hearing_map_sort_client(struct blob_buf *b) {
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if (dawnlog_showing(DAWNLOG_DEBUG))
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print_probe_array();
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pthread_mutex_lock(&probe_array_mutex);
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dawn_mutex_lock(&probe_array_mutex);
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void *client_list, *ap_list, *ssid_list;
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char ap_mac_buf[20];
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@ -1801,7 +1801,7 @@ int build_hearing_map_sort_client(struct blob_buf *b) {
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same_ssid = true;
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}
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pthread_mutex_unlock(&probe_array_mutex);
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dawn_mutex_unlock(&probe_array_mutex);
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return 0;
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}
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@ -1872,7 +1872,7 @@ int build_network_overview(struct blob_buf *b) {
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blobmsg_add_rrm_string(b, "rrm-caps", k->rrm_enabled_capa);
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pthread_mutex_lock(&probe_array_mutex);
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dawn_mutex_lock(&probe_array_mutex);
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probe_entry* n = probe_array_get_entry(k->client_addr, k->bssid_addr);
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if (n != NULL) {
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@ -1882,7 +1882,7 @@ int build_network_overview(struct blob_buf *b) {
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blobmsg_add_u32(b, "rsni", n->rsni);
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}
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}
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pthread_mutex_unlock(&probe_array_mutex);
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dawn_mutex_unlock(&probe_array_mutex);
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blobmsg_close_table(b, client_list);
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@ -1949,7 +1949,7 @@ int ap_get_nr(struct blob_buf *b_local, struct dawn_mac own_bssid_addr, const ch
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if (own_ap->freq <= max_band_freq[band])
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break;
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}
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pthread_mutex_lock(&ap_array_mutex);
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dawn_mutex_lock(&ap_array_mutex);
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for (i = ap_set; i != NULL; i = i->next_ap) {
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if (i != own_ap && !strncmp((char *)i->ssid, ssid, SSID_MAX_LEN) &&
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!mac_is_in_entry_list(i->bssid_addr, preferred_list))
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@ -1957,7 +1957,7 @@ int ap_get_nr(struct blob_buf *b_local, struct dawn_mac own_bssid_addr, const ch
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blobmsg_add_nr(b_local, i);
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}
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}
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pthread_mutex_unlock(&ap_array_mutex);
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dawn_mutex_unlock(&ap_array_mutex);
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for (n = preferred_list; n; n = n->next_mac) {
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if ((i = ap_array_get_ap(n->mac)))
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@ -1979,9 +1979,9 @@ void uloop_add_data_cbs() {
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void remove_probe_array_cb(struct uloop_timeout* t) {
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dawnlog_debug_func("[Thread] : Removing old probe entries!\n");
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pthread_mutex_lock(&probe_array_mutex);
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dawn_mutex_lock(&probe_array_mutex);
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remove_old_probe_entries(time(0), timeout_config.remove_probe);
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pthread_mutex_unlock(&probe_array_mutex);
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dawn_mutex_unlock(&probe_array_mutex);
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dawnlog_debug("[Thread] : Removing old entries finished!\n");
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@ -1993,10 +1993,10 @@ void remove_probe_array_cb(struct uloop_timeout* t) {
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void remove_client_array_cb(struct uloop_timeout* t) {
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dawnlog_debug_func("Entering...");
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pthread_mutex_lock(&client_array_mutex);
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dawn_mutex_lock(&client_array_mutex);
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dawnlog_debug("[Thread] : Removing old client entries!\n");
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remove_old_client_entries(time(0), timeout_config.update_client);
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pthread_mutex_unlock(&client_array_mutex);
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dawn_mutex_unlock(&client_array_mutex);
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uloop_timeout_set(&client_timeout, timeout_config.update_client * 1000);
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}
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@ -2005,10 +2005,10 @@ void remove_client_array_cb(struct uloop_timeout* t) {
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void remove_ap_array_cb(struct uloop_timeout* t) {
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dawnlog_debug_func("Entering...");
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pthread_mutex_lock(&ap_array_mutex);
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dawn_mutex_lock(&ap_array_mutex);
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dawnlog_debug("[ULOOP] : Removing old ap entries!\n");
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remove_old_ap_entries(time(0), timeout_config.remove_ap);
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pthread_mutex_unlock(&ap_array_mutex);
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dawn_mutex_unlock(&ap_array_mutex);
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uloop_timeout_set(&ap_timeout, timeout_config.remove_ap * 1000);
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}
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@ -5,6 +5,7 @@
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#include <stdarg.h>
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#include <syslog.h>
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#include <stdio.h>
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#include <inttypes.h>
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#include "utils.h"
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@ -128,3 +129,15 @@ const char* dawnlog_basename(const char* file)
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return(xfile ? xfile + 1 : file);
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}
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int _dawn_mutex_lock(pthread_mutex_t* m, char * f, int l)
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{
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dawnlog_debug("MUTEX lock = %" PRIXPTR "@%s:%d", m, dawnlog_basename(f), l);
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return pthread_mutex_lock(m);
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}
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int _dawn_mutex_unlock(pthread_mutex_t* m, char* f, int l)
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{
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dawnlog_debug("MUTEX unlock = %" PRIXPTR "@%s:%d", m, dawnlog_basename(f), l);
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return pthread_mutex_unlock(m);
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}
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