Fixes: vlp-17.

[vlp.git] / src / net / lognet.cpp

diff --git a/src/net/lognet.cpp b/src/net/lognet.cpp
index dda6733d9a023de3faf72fb019c5e2fdcec3f8db..088ef9fc24f012f8f8e73b8a05a65fa309ccccd5 100644 (file)
--- a/src/net/lognet.cpp
+++ b/src/net/lognet.cpp
@@ -22,6 +22,8 @@
 #include <qstringlist.h>
 #include <unistd.h>
 
+#include <libconfig.h>
+
 #define REMOTE_PATH "REMOTE"
 #define MAXLINKS 30
 #define LOGPORT 3600
@@ -183,44 +185,93 @@ NETMOD::NETMOD(char *kernel_name)
 
 void NETMOD::load_config(char *fname)
 {
- QFile f(fname);
- QString line;
- QString val;
- int br=0,on,k=0;
- NETlink *pomlink;
+  config_t cfg;
+  config_setting_t *setting;
+  int on,k=0;
+  NETlink *pomlink;
 
- if (!f.exists())
- {
-  write_at_console("Cannot load configuration file!");sleep(2);exit(3);
- }
- f.open(IO_ReadOnly);
- br = f.readLine(line,256);
- while (br>0)
- {
-  QStringList l = QStringList::split("=",line,FALSE);
-  QStringList::Iterator it = l.begin();
-  line = *it;
-  ++it;
-  val = *it;
-  val = val.stripWhiteSpace();
-  if (line == "node_number") {MyNode = val.toInt();};
-  if (line == "host" ) {
-     k++;
-     pomlink = new NETlink;
-     strcpy(pomlink->addr,val.ascii());
-     pomlink->connected = FALSE;
-     pomlink->sock = socket(AF_INET, SOCK_STREAM, 0); 
-     fcntl(pomlink->sock, F_SETFL,O_NONBLOCK | fcntl(pomlink->sock,F_GETFL,0));
-     on=1; 
-     setsockopt(pomlink->sock,IPPROTO_TCP,TCP_NODELAY,(char*)&on,sizeof(on)); 
-     Links.append(pomlink); 
-     to_connect++;     
-  };
-  br = f.readLine(line,256);
- }
- f.close();
- if (k==0) all_connected=TRUE;
- if (MyNode==-1) {write_at_console("Node number must be specified");exit(1);};
+  config_init(&cfg);
+  
+  
+  /* Hack for checking if file exists without using external libs.*/
+  FILE * file = fopen(fname, "rt");
+  if (!file) {
+    fprintf(stderr, "Error: Cannot load configuration file %s!\n", fname);
+    write_at_console("Cannot load configuration file!");
+    fclose(file);
+    exit(3);
+  }
+  
+  /* Read the file. If there is an error, report it and exit. */
+  if(!config_read(&cfg, file)) 
+  {
+    fprintf(stderr, "%s: In file %s, line %d\n",
+        config_error_text(&cfg),
+        config_error_file(&cfg),
+        config_error_line(&cfg));
+    config_destroy(&cfg);
+    fclose(file);
+    exit(3);/* from original code. */
+  }
+  
+  setting = config_lookup(&cfg, "node_number");
+  if(setting)
+  {
+    MyNode = config_setting_get_int(setting);
+  }
+  /* else */
+  if (!setting || MyNode==-1)
+  {
+    fprintf(stderr, "%s! In file %s, '%s' was not found.\n",
+      "Error",
+      fname,
+      "node_number");
+    write_at_console("Node number must be specified");
+    config_destroy(&cfg);
+    fclose(file);
+    exit(1);
+  }
+
+  setting = config_lookup(&cfg, "host");  
+  if(setting) {
+    k++;
+    pomlink = new NETlink;
+    
+    switch(config_setting_type(setting)) {
+      case CONFIG_TYPE_STRING:/* TODO: Deprecated. Made for back compatibility. */
+        strncpy(pomlink->addr, config_setting_get_string(setting), 255);
+        break;
+      case CONFIG_TYPE_ARRAY:
+        strncpy(pomlink->addr, config_setting_get_string_elem(setting, 0), 255);
+        break;
+      default:
+        fprintf(stderr, "%s! In file %s, bad entry type for %s. Will not be read.\n"
+          "Fatal error",
+          fname,
+          "host");
+        config_destroy(&cfg);
+        fclose(file);
+        exit(1);
+    }
+    pomlink->connected = FALSE;
+    pomlink->sock = socket(AF_INET, SOCK_STREAM, 0); 
+    fcntl(pomlink->sock, F_SETFL,O_NONBLOCK | fcntl(pomlink->sock,F_GETFL,0));
+    on=1; 
+    setsockopt(pomlink->sock,IPPROTO_TCP,TCP_NODELAY,(char*)&on,sizeof(on)); 
+    Links.append(pomlink); 
+    to_connect++;
+  }
+  else {
+    fprintf(stderr, "%s! In file %s, '%s' was not found.\n",
+        "Warning",
+        fname,
+        "host");
+  }
+
+  config_destroy(&cfg);
+  fclose(file);
+
+  if (k==0) all_connected=TRUE;
 }