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authorGravatar Christian Hesse <mail@eworm.de>2015-12-12 12:09:52 +0100
committerGravatar Christian Hesse <mail@eworm.de>2015-12-12 12:09:52 +0100
commitd7e41016af9ba005390469cabd8e5cda1360b90e (patch)
tree663682de2fbfa698e1a938600570db03a97391b2
parente7afd8bab7e52a1dd53b900fd93fbd97092278d8 (diff)
downloadpacredir-d7e41016af9ba005390469cabd8e5cda1360b90e.tar.gz
pacredir-d7e41016af9ba005390469cabd8e5cda1360b90e.tar.zst
allow to limit the number of query threads
-rw-r--r--pacredir.c14
-rw-r--r--pacredir.conf7
2 files changed, 20 insertions, 1 deletions
diff --git a/pacredir.c b/pacredir.c
index 6fb07e9..fa6405d 100644
--- a/pacredir.c
+++ b/pacredir.c
@@ -20,6 +20,7 @@ const static struct option options_long[] = {
/* global variables */
struct hosts * hosts = NULL;
struct ignore_interfaces * ignore_interfaces = NULL;
+int max_threads = 0;
static AvahiSimplePoll *simple_poll = NULL;
uint8_t verbose = 0;
@@ -368,6 +369,12 @@ static int ahc_echo(void * cls,
continue;
}
+ /* Check for limit on threads */
+ if (max_threads > 0 && req_count + 1 >= max_threads) {
+ write_log(stdout, "Hit hard limit for max threads (%d), not doing more requests\n", max_threads);
+ break;
+ }
+
/* This is multi-threading code!
* Pointer to struct request does not work as realloc can relocate the data.
* We need a pointer to pointer to struct request, store the addresses in
@@ -544,8 +551,13 @@ int main(int argc, char ** argv) {
/* parse config file */
if ((ini = iniparser_load(CONFIGFILE)) == NULL) {
write_log(stderr, "cannot parse file " CONFIGFILE ", continue anyway\n");
- /* continue anyway, there is nothing essential in the config file */
+ /* continue anyway, there is nothing essential in the config file */
} else {
+ /* get max threads */
+ max_threads = iniparser_getint(ini, "general:max threads", max_threads);
+ if (verbose > 0)
+ write_log(stdout, "Limiting number of threads to a maximum of %d\n", max_threads);
+
/* store interfaces to ignore */
if ((inistring = iniparser_getstring(ini, "general:ignore interfaces", NULL)) != NULL) {
values = strdup(inistring);
diff --git a/pacredir.conf b/pacredir.conf
index e68393e..75f8514 100644
--- a/pacredir.conf
+++ b/pacredir.conf
@@ -3,6 +3,13 @@
# We need a default section and call it 'general', so do not change this line.
[general]
+# By default pacredir does requests to all services it knows about
+# simultaneously. Use this to limit the number of threads, the special value
+# 0 means unlimited.
+# Be aware that pacredir will not find files on servers it does not check!
+max threads = 0
+#max threads = 32
+
# Some people like to run avahi on network interfaces with low bandwidth or
# high cost, for example to use 'Bonjour' (Link-Local Messaging) on it.
# Add these interfaces here to ignore them by pacredir. Just give multiple