1 files changed, 89 insertions, 0 deletions
diff --git a/utils/benchmarks/events/deadconn.c b/utils/benchmarks/events/deadconn.c
new file mode 100644
index 0000000000..364371a1e9
--- /dev/null
+++ b/utils/benchmarks/events/deadconn.c
@@ -0,0 +1,89 @@
+/*
+ * deadconn - a tool for dead http connections creation
+ *
+ * 07-01-2001 by Davide Libenzi <davidel@xmailserver.org>
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/time.h>
+#include <time.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/file.h>
+#include <sys/socket.h>
+#include <netdb.h>
+#include <signal.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <sys/wait.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#define MAX_CONNECT_ERRORS 4
+
+int tconnect(struct in_addr const *paddr, int port) {
+  int sfd;
+  struct sockaddr_in sin;
+  if ((sfd = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
+    perror("socket");
+    return -1;
+  }
+  memset(&sin, 0, sizeof(sin));
+  memcpy(&sin.sin_addr, &paddr->s_addr, 4);
+  sin.sin_port = htons((short int) port);
+  sin.sin_family = AF_INET;
+  if (connect(sfd, (struct sockaddr *) &sin, sizeof(sin)) == 0) {
+    return sfd;
+  }
+  perror("connect");
+  close(sfd);
+  return -1;
+}
+
+int main(int argc, char *argv[]) {
+  int ii, sfd, errors;
+  char *server;
+  int port;
+  int nconns, ccreat = 0;
+  struct hostent * he;
+  struct in_addr inadr;
+  struct sockaddr_in sin;
+  if (argc < 4) {
+    printf("use: %s server port numconns\n", argv[0]);
+    return 1;
+  }
+  server = argv[1];
+  port = atoi(argv[2]);
+  nconns = atoi(argv[3]);
+  if (inet_aton(server, &inadr) == 0) {
+    if ((he = gethostbyname(server)) == NULL) {
+      fprintf(stderr, "unable to resolve: %s\n", server);
+      return -1;
+    }
+    memcpy(&inadr.s_addr, he->h_addr_list[0], he->h_length);
+  }
+  for (ii = 0; ii < nconns; ii++) {
+    errors = 0;
+  retry:
+    if ((sfd = tconnect(&inadr, port)) != -1) {
+      char const *req = "GET / HTTP/1.0\r\n";
+      write(sfd, req, strlen(req));
+      ++ccreat;
+      errors = 0;
+      printf("%d\n", ccreat);
+    } else {
+      sleep(1);
+      if (++errors < MAX_CONNECT_ERRORS)
+        goto retry;
+      break;
+    }
+  }
+  printf("%d connections created ...\n", ccreat);
+  while (1)
+    sleep(10);
+  return 0;
+}