Add sessions_alarm

Introduce new feature: sessions_alarm.

Added new account setting: max_connections. On exceeding this number,
user will get an alert. If number is less than 1, no alert will happen.

Tests altered to fit new feature.

src/config/account.c

@@ -57,7 +57,7 @@ account_new(gchar* name, gchar* jid, gchar* password, gchar* eval_password, gboo
             gchar* omemo_policy, GList* omemo_enabled, GList* omemo_disabled,
             GList* ox_enabled, GList* pgp_enabled, gchar* pgp_keyid,
             gchar* startscript, gchar* theme, gchar* tls_policy, gchar* auth_policy,
-            gchar* client)
+            gchar* client, int max_sessions)
 {
     ProfAccount* new_account = calloc(1, sizeof(ProfAccount));
 
@@ -140,6 +140,8 @@ account_new(gchar* name, gchar* jid, gchar* password, gchar* eval_password, gboo
 
     new_account->auth_policy = auth_policy;
 
+    new_account->max_sessions = max_sessions;
+
     return new_account;
 }
 

src/config/account.h

@@ -72,6 +72,7 @@ typedef struct prof_account_t
     gchar* tls_policy;
     gchar* auth_policy;
     gchar* client;
+    int max_sessions;
 } ProfAccount;
 
 ProfAccount* account_new(gchar* name, gchar* jid, gchar* password, gchar* eval_password, gboolean enabled,
@@ -82,7 +83,7 @@ ProfAccount* account_new(gchar* name, gchar* jid, gchar* password, gchar* eval_p
                          gchar* omemo_policy, GList* omemo_enabled, GList* omemo_disabled,
                          GList* ox_enabled, GList* pgp_enabled, gchar* pgp_keyid,
                          gchar* startscript, gchar* theme, gchar* tls_policy, gchar* auth_policy,
-                         gchar* client);
+                         gchar* client, int max_sessions);
 char* account_create_connect_jid(ProfAccount* account);
 gboolean account_eval_password(ProfAccount* account);
 void account_free(ProfAccount* account);

src/config/accounts.c

@@ -347,13 +347,15 @@ accounts_get_account(const char* const name)
 
         gchar* auth_policy = g_key_file_get_string(accounts, name, "auth.policy", NULL);
 
+        int max_sessions = g_key_file_get_integer(accounts, name, "max.sessions", 0);
+
         ProfAccount* new_account = account_new(g_strdup(name), jid, password, eval_password, enabled,
                                                server, port, resource, last_presence, login_presence,
                                                priority_online, priority_chat, priority_away, priority_xa,
                                                priority_dnd, muc_service, muc_nick, otr_policy, otr_manual,
                                                otr_opportunistic, otr_always, omemo_policy, omemo_enabled,
                                                omemo_disabled, ox_enabled, pgp_enabled, pgp_keyid,
-                                               startscript, theme, tls_policy, auth_policy, client);
+                                               startscript, theme, tls_policy, auth_policy, client, max_sessions);
 
         return new_account;
     }
@@ -568,6 +570,12 @@ accounts_set_theme(const char* const account_name, const char* const value)
     _accounts_set_string_option(account_name, "theme", value);
 }
 
+void
+accounts_set_max_sessions(const char* const account_name, const int value)
+{
+    _accounts_set_int_option(account_name, "max.sessions", value);
+}
+
 void
 accounts_clear_password(const char* const account_name)
 {
@@ -634,6 +642,12 @@ accounts_clear_otr(const char* const account_name)
     _accounts_clear_string_option(account_name, "otr.policy");
 }
 
+void
+accounts_clear_max_sessions(const char* const account_name)
+{
+    _accounts_clear_string_option(account_name, "max.sessions");
+}
+
 void
 accounts_add_otr_policy(const char* const account_name, const char* const contact_jid, const char* const policy)
 {
@@ -865,6 +879,24 @@ accounts_get_last_activity(const char* const account_name)
     }
 }
 
+char*
+accounts_get_resource(const char* const account_name)
+{
+    if (!accounts_account_exists(account_name)) {
+        return NULL;
+    }
+    return g_key_file_get_string(accounts, account_name, "resource", NULL);
+}
+
+int
+accounts_get_max_sessions(const char* const account_name)
+{
+    if (!accounts_account_exists(account_name)) {
+        return 0;
+    }
+    return g_key_file_get_integer(accounts, account_name, "max.sessions", 0);
+}
+
 void
 accounts_set_login_presence(const char* const account_name, const char* const value)
 {

src/config/accounts.h

@@ -61,6 +61,7 @@ void accounts_set_jid(const char* const account_name, const char* const value);
 void accounts_set_server(const char* const account_name, const char* const value);
 void accounts_set_port(const char* const account_name, const int value);
 void accounts_set_resource(const char* const account_name, const char* const value);
+char* accounts_get_resource(const char* const account_name);
 void accounts_set_password(const char* const account_name, const char* const value);
 void accounts_set_eval_password(const char* const account_name, const char* const value);
 void accounts_set_muc_service(const char* const account_name, const char* const value);
@@ -89,6 +90,8 @@ void accounts_set_pgp_keyid(const char* const account_name, const char* const va
 void accounts_set_script_start(const char* const account_name, const char* const value);
 void accounts_set_client(const char* const account_name, const char* const value);
 void accounts_set_theme(const char* const account_name, const char* const value);
+void accounts_set_max_sessions(const char* const account_name, const int value);
+int accounts_get_max_sessions(const char* const account_name);
 void accounts_clear_password(const char* const account_name);
 void accounts_clear_eval_password(const char* const account_name);
 void accounts_clear_server(const char* const account_name);
@@ -100,6 +103,7 @@ void accounts_clear_client(const char* const account_name);
 void accounts_clear_theme(const char* const account_name);
 void accounts_clear_muc(const char* const account_name);
 void accounts_clear_resource(const char* const account_name);
+void accounts_clear_max_sessions(const char* const account_name);
 void accounts_add_otr_policy(const char* const account_name, const char* const contact_jid, const char* const policy);
 void accounts_add_omemo_state(const char* const account_name, const char* const contact_jid, gboolean enabled);
 void accounts_add_ox_state(const char* const account_name, const char* const contact_jid, gboolean enabled);