tcpsvd: new applet

It's a GPL-ed 'clone' of Dan Bernstein's tcpserver.
Author: Gerrit Pape <pape@smarden.org>
http://smarden.sunsite.dk/ipsvd/
size tcpsvd.o
   text    data     bss     dec     hex filename
   2571       4      16    2591     a1f tcpsvd.o



git-svn-id: svn://busybox.net/trunk/busybox@18294 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 55 insertions, 0 deletions

diff --git a/ipsvd/ipsvd_perhost.c b/ipsvd/ipsvd_perhost.c
new file mode 100644
index 000000000..c6f7de339
--- /dev/null
+++ b/ipsvd/ipsvd_perhost.c
@@ -0,0 +1,55 @@
+#include "busybox.h"
+#include "ipsvd_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(const char *ip, unsigned maxconn, struct hcc **hccpp)
+{
+        unsigned i;
+        unsigned conn = 1;
+        int p = -1;
+
+        for (i = 0; i < cclen; ++i) {
+                if (cc[i].ip[0] == 0) {
+                        if (p == -1) p = i;
+                        continue;
+                }
+                if (strncmp(cc[i].ip, ip, sizeof(cc[i].ip)) == 0) {
+                        conn++;
+                        continue;
+                }
+        }
+        if (p == -1) return 0;
+        if (conn <= maxconn) {
+                strcpy(cc[p].ip, ip);
+                *hccpp = &cc[p];
+        }
+        return conn;
+}
+
+void ipsvd_perhost_remove(int pid)
+{
+        unsigned i;
+        for (i = 0; i < cclen; ++i) {
+                if (cc[i].pid == pid) {
+                        cc[i].ip[0] = 0;
+                        cc[i].pid = 0;
+                        return;
+                }
+        }
+}
+
+//void ipsvd_perhost_free(void)
+//{
+//      free(cc);
+//}