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-rw-r--r--tests/tcpflood.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/tests/tcpflood.c b/tests/tcpflood.c
index d8c3f038..9ed2dac9 100644
--- a/tests/tcpflood.c
+++ b/tests/tcpflood.c
@@ -5,6 +5,7 @@
* -t target address (default 127.0.0.1)
* -p target port (default 13514)
* -n number of target ports (targets are in range -p..(-p+-n-1)
+ * Note -c must also be set to at LEAST the number of -n!
* -c number of connections (default 1)
* -m number of messages to send (connection is random)
* -i initial message number (optional)
@@ -62,6 +63,7 @@
#include <unistd.h>
#include <string.h>
#include <netinet/in.h>
+#include <sys/resource.h>
#define EXIT_FAILURE 1
#define INVALID_SOCKET -1
@@ -439,6 +441,20 @@ int main(int argc, char *argv[])
}
}
+ if(numConnections > 20) {
+ /* if we use many (whatever this means, 20 is randomly picked)
+ * connections, we need to make sure we have a high enough
+ * limit. -- rgerhards, 2010-03-25
+ */
+ struct rlimit maxFiles;
+ maxFiles.rlim_cur = numConnections + 20;
+ maxFiles.rlim_max = numConnections + 20;
+ if(setrlimit(RLIMIT_NOFILE, &maxFiles) < 0) {
+ perror("setrlimit to increase file handles failed");
+ exit(1);
+ }
+ }
+
if(dataFile != NULL) {
if((dataFP = fopen(dataFile, "r")) == NULL) {
perror(dataFile);
@@ -456,6 +472,8 @@ int main(int argc, char *argv[])
exit(1);
}
+ closeConnections();
+
printf("End of tcpflood Run\n");
exit(ret);