1 files changed, 65 insertions, 0 deletions
diff --git a/networking/tcpudp_perhost.c b/networking/tcpudp_perhost.c
new file mode 100644
index 0000000..3005f12
--- /dev/null
+++ b/networking/tcpudp_perhost.c
@@ -0,0 +1,65 @@
+/* Based on ipsvd utilities written by Gerrit Pape <pape@smarden.org>
+ * which are released into public domain by the author.
+ * Homepage: http://smarden.sunsite.dk/ipsvd/
+ *
+ * Copyright (C) 2007 Denys Vlasenko.
+ *
+ * Licensed under GPLv2, see file LICENSE in this tarball for details.
+ */
+
+#include "libbb.h"
+#include "tcpudp_perhost.h"
+
+static struct hcc *cc;
+static unsigned cclen;
+
+/* to be optimized */
+
+void ipsvd_perhost_init(unsigned c)
+{
+//	free(cc);
+	cc = xzalloc(c * sizeof(*cc));
+	cclen = c;
+}
+
+unsigned ipsvd_perhost_add(char *ip, unsigned maxconn, struct hcc **hccpp)
+{
+	unsigned i;
+	unsigned conn = 1;
+	int freepos = -1;
+
+	for (i = 0; i < cclen; ++i) {
+		if (!cc[i].ip) {
+			freepos = i;
+			continue;
+		}
+		if (strcmp(cc[i].ip, ip) == 0) {
+			conn++;
+			continue;
+		}
+	}
+	if (freepos == -1) return 0;
+	if (conn <= maxconn) {
+		cc[freepos].ip = ip;
+		*hccpp = &cc[freepos];
+	}
+	return conn;
+}
+
+void ipsvd_perhost_remove(int pid)
+{
+	unsigned i;
+	for (i = 0; i < cclen; ++i) {
+		if (cc[i].pid == pid) {
+			free(cc[i].ip);
+			cc[i].ip = NULL;
+			cc[i].pid = 0;
+			return;
+		}
+	}
+}
+
+//void ipsvd_perhost_free(void)
+//{
+//	free(cc);
+//}