client: combine client_open() and client_parse_config()
[paraslash.git] / client_common.c
index d138925..12c8365 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1997-2006 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 1997-2007 Andre Noll <maan@systemlinux.org>
  *
  *     This program is free software; you can redistribute it and/or modify
  *     it under the terms of the GNU General Public License as published by
@@ -48,7 +48,7 @@ void rc4_recv(unsigned long len, const unsigned char *indata,
 
 void client_close(struct private_client_data *pcd)
 {
-       if (pcd)
+       if (!pcd)
                return;
        if (pcd->fd >= 0) {
                disable_crypt(pcd->fd);
@@ -60,8 +60,43 @@ void client_close(struct private_client_data *pcd)
        free(pcd);
 }
 
-int client_parse_config(int argc, char *argv[],
-               struct private_client_data **pcd_ptr)
+static int client_connect(struct private_client_data *pcd)
+{
+       int ret;
+       struct hostent *he;
+       struct sockaddr_in their_addr;
+
+       pcd->fd = -1;
+       ret = get_host_info(pcd->conf.hostname_arg, &he);
+       if (ret < 0)
+               return ret;
+       /* get new socket */
+       ret = get_socket();
+       if (ret < 0)
+               return ret;
+       pcd->fd = ret;
+       /* init their_addr */
+       init_sockaddr(&their_addr, pcd->conf.server_port_arg, he);
+       ret = para_connect(pcd->fd, &their_addr);
+       if (ret < 0)
+               goto err_out;
+       pcd->status = CL_CONNECTED;
+       ret = mark_fd_nonblock(pcd->fd);
+       if (ret < 0)
+               goto err_out;
+       pcd->task.pre_select = client_pre_select;
+       pcd->task.post_select = client_post_select;
+       pcd->task.private_data = pcd;
+       sprintf(pcd->task.status, "client");
+       register_task(&pcd->task);
+       return 1;
+err_out:
+       close(pcd->fd);
+       pcd->fd = -1;
+       return ret;
+}
+
+int client_open(int argc, char *argv[], struct private_client_data **pcd_ptr)
 {
        char *home = para_homedir();
        struct stat statbuf;
@@ -69,9 +104,10 @@ int client_parse_config(int argc, char *argv[],
        struct private_client_data *pcd =
                para_calloc(sizeof(struct private_client_data));
 
+       *pcd_ptr = pcd;
        pcd->fd = -1;
-       client_cmdline_parser(argc, argv, &pcd->conf);
-       ret = - E_CLIENT_SYNTAX;
+       ret = client_cmdline_parser(argc, argv, &pcd->conf);
+       ret = -E_CLIENT_SYNTAX;
        if (!pcd->conf.inputs_num)
                goto out;
        pcd->user = pcd->conf.user_given?
@@ -93,16 +129,18 @@ int client_parse_config(int argc, char *argv[],
                client_cmdline_parser_configfile(pcd->config_file,
                        &pcd->conf, 0, 0, 0);
        ret = 1;
-       *pcd_ptr = pcd;
        PARA_INFO_LOG("loglevel: %d\n", pcd->conf.loglevel_arg);
        PARA_INFO_LOG("config_file: %s\n", pcd->config_file);
        PARA_INFO_LOG("key_file: %s\n", pcd->key_file);
        PARA_NOTICE_LOG("connecting %s:%d\n", pcd->conf.hostname_arg,
                pcd->conf.server_port_arg);
+       ret = client_connect(pcd);
 out:
        free(home);
-       if (ret < 0)
+       if (ret < 0) {
+               PARA_ERROR_LOG("%s\n", PARA_STRERROR(-ret));
                client_close(pcd);
+       }
        return ret;
 }
 
@@ -288,39 +326,3 @@ void client_post_select(struct sched *s, struct task *t)
        }
 
 }
-
-int client_open(struct private_client_data *pcd)
-{
-       int ret;
-       struct hostent *he;
-       struct sockaddr_in their_addr;
-
-       pcd->fd = -1;
-       ret = get_host_info(pcd->conf.hostname_arg, &he);
-       if (ret < 0)
-               goto err_out;
-       /* get new socket */
-       ret = get_socket();
-       if (ret < 0)
-               goto err_out;
-       pcd->fd = ret;
-       /* init their_addr */
-       init_sockaddr(&their_addr, pcd->conf.server_port_arg, he);
-       ret = para_connect(pcd->fd, &their_addr);
-       if (ret < 0)
-               goto err_out;
-       pcd->status = CL_CONNECTED;
-       ret = mark_fd_nonblock(pcd->fd);
-       if (ret < 0)
-               goto err_out;
-       pcd->task.pre_select = client_pre_select;
-       pcd->task.post_select = client_post_select;
-       pcd->task.private_data = pcd;
-       sprintf(pcd->task.status, "client");
-       register_task(&pcd->task);
-       return 1;
-err_out:
-       if (pcd->fd >= 0)
-               close(pcd->fd);
-       return ret;
-}