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degesch: don't require configuration to run 

Well, techincally.
This commit is contained in:
Přemysl Eric Janouch 2015-05-02 23:49:38 +02:00
parent c23898166c
commit 6d0fff6a71
1 changed files with 44 additions and 38 deletions
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82
degesch.c
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@ -1813,7 +1813,7 @@ init_buffers (struct app_context *ctx)
global->name = xstrdup (PROGRAM_NAME);
server->type = BUFFER_SERVER;
server->name = xstrdup (get_config_string (ctx, "server.irc_host"));
server->name = xstrdup ("server");
server->server = &ctx->server;
LIST_APPEND_WITH_TAIL (ctx->buffers, ctx->buffers_tail, global);
@ -4311,6 +4311,12 @@ irc_connect (struct server *s, struct error **e)
const char *irc_host = get_config_string (ctx, "server.irc_host");
int64_t irc_port_int = get_config_integer (ctx, "server.irc_port");
if (!get_config_string (ctx, "server.irc_host"))
{
error_set (e, "No hostname specified in configuration");
return false;
}
const char *socks_host = get_config_string (ctx, "server.socks_host");
int64_t socks_port_int = get_config_integer (ctx, "server.socks_port");
const char *socks_username =
@ -4464,6 +4470,7 @@ autofill_user_info (struct app_context *ctx, struct error **e)
if (!pwd)
FAIL ("cannot retrieve user information: %s", strerror (errno));
// FIXME: set_config_strings() writes errors on its own
if (!nickname)
set_config_string (ctx, "server.nickname", pwd->pw_name);
if (!username)
@ -4514,46 +4521,52 @@ read_file (const char *filename, struct str *output, struct error **e)
return false;
}
static bool
load_configuration (struct app_context *ctx, struct error **e)
static struct config_item_ *
load_configuration_file (const char *filename, struct error **e)
{
char *filename = resolve_config_filename (PROGRAM_NAME ".conf");
if (!filename)
{
error_set (e, "cannot find configuration");
return false;
}
struct config_item_ *root = NULL;
struct str data;
str_init (&data);
bool success = read_file (filename, &data, e);
free (filename);
if (!success)
{
str_free (&data);
return false;
}
if (!read_file (filename, &data, e))
goto end;
struct error *error = NULL;
struct config_item_ *root =
config_item_parse (data.str, data.len, false, &error);
str_free (&data);
if (!root)
if (!(root = config_item_parse (data.str, data.len, false, &error)))
{
error_set (e, "configuration parse error: %s", error->message);
error_free (error);
return false;
}
end:
str_free (&data);
return root;
}
static void
load_configuration (struct app_context *ctx)
{
struct config_item_ *root = NULL;
struct error *e = NULL;
char *filename = resolve_config_filename (PROGRAM_NAME ".conf");
if (filename)
root = load_configuration_file (filename, &e);
else
print_status ("configuration file not found");
free (filename);
if (e)
{
print_error ("%s", e->message);
error_free (e);
e = NULL;
}
config_load (&ctx->config, root);
if (!autofill_user_info (ctx, e))
return false;
if (!get_config_string (ctx, "server.irc_host"))
config_load (&ctx->config, root ? root : config_item_object ());
if (!autofill_user_info (ctx, &e))
{
error_set (e, "no hostname specified in configuration");
return false;
print_error ("%s: %s", "failed to fill in user details", e->message);
error_free (e);
}
ctx->reconnect =
@ -4562,7 +4575,6 @@ load_configuration (struct app_context *ctx, struct error **e)
get_config_boolean (ctx, "behaviour.isolate_buffers");
ctx->reconnect_delay =
get_config_integer (ctx, "server.reconnect_delay");
return true;
}
static char *
@ -4727,14 +4739,7 @@ main (int argc, char *argv[])
setup_signal_handlers ();
register_config_modules (&ctx);
struct error *e = NULL;
if (!load_configuration (&ctx, &e))
{
print_error ("%s", e->message);
error_free (e);
exit (EXIT_FAILURE);
}
load_configuration (&ctx);
init_colors (&ctx);
init_poller_events (&ctx);
@ -4743,6 +4748,7 @@ main (int argc, char *argv[])
refresh_prompt (&ctx);
// TODO: connect asynchronously (first step towards multiple servers)
struct error *e = NULL;
if (!irc_connect (&ctx.server, &e))
{
buffer_send_error (&ctx, ctx.server.buffer, "%s", e->message);