login proxy: And added new files missing from previous commit.

--HG--
branch : HEAD

diff --git a/src/login-common/login-proxy-state.c b/src/login-common/login-proxy-state.c
new file mode 100644 (file)
index 0000000..e5e5933
--- /dev/null
+++ b/src/login-common/login-proxy-state.c
@@ -0,0 +1,64 @@
+/* Copyright (c) 2009 Dovecot authors, see the included COPYING file */
+
+#include "lib.h"
+#include "network.h"
+#include "hash.h"
+#include "login-proxy-state.h"
+
+struct login_proxy_state {
+       struct hash_table *hash;
+       pool_t pool;
+};
+
+static unsigned int ip_addr_hash(const void *p)
+{
+       const struct ip_addr *ip = p;
+
+       return net_ip_hash(ip);
+}
+
+static int ip_addr_cmp(const void *p1, const void *p2)
+{
+       const struct ip_addr *ip1 = p1, *ip2 = p2;
+
+       return net_ip_compare(ip1, ip2) ? 0 : 1;
+}
+
+struct login_proxy_state *login_proxy_state_init(void)
+{
+       struct login_proxy_state *state;
+
+       state = i_new(struct login_proxy_state, 1);
+       state->pool = pool_alloconly_create("login proxy state", 1024);
+       state->hash = hash_table_create(default_pool, state->pool, 0,
+                                       ip_addr_hash, ip_addr_cmp);
+       return state;
+}
+
+void login_proxy_state_deinit(struct login_proxy_state **_state)
+{
+       struct login_proxy_state *state = *_state;
+
+       *_state = NULL;
+       hash_table_destroy(&state->hash);
+       pool_unref(&state->pool);
+       i_free(state);
+}
+
+struct login_proxy_record *
+login_proxy_state_get(struct login_proxy_state *state,
+                     const struct ip_addr *ip)
+{
+       struct login_proxy_record *rec;
+       struct ip_addr *new_ip;
+
+       rec = hash_table_lookup(state->hash, ip);
+       if (rec == NULL) {
+               new_ip = p_new(state->pool, struct ip_addr, 1);
+               *new_ip = *ip;
+
+               rec = p_new(state->pool, struct login_proxy_record, 1);
+               hash_table_insert(state->hash, new_ip, rec);
+       }
+       return rec;
+}

diff --git a/src/login-common/login-proxy-state.h b/src/login-common/login-proxy-state.h
new file mode 100644 (file)
index 0000000..be04810
--- /dev/null
+++ b/src/login-common/login-proxy-state.h
@@ -0,0 +1,17 @@
+#ifndef LOGIN_PROXY_STATE_H
+#define LOGIN_PROXY_STATE_H
+
+struct login_proxy_record {
+       struct timeval last_failure;
+       struct timeval last_success;
+       unsigned int num_waiting_connections;
+};
+
+struct login_proxy_state *login_proxy_state_init(void);
+void login_proxy_state_deinit(struct login_proxy_state **state);
+
+struct login_proxy_record *
+login_proxy_state_get(struct login_proxy_state *state,
+                     const struct ip_addr *ip);
+
+#endif