Add logging functions

1 files changed, 19 insertions, 3 deletions

diff --git a/argparse.c b/argparse.c
index 01b6c57..7246d31 100644
--- a/argparse.c
+++ b/argparse.c
@@ -4,6 +4,7 @@
 #include <string.h>
 #include "cputemp2maxfreq.h"
 #include "debug.h"
+#include "logger.h"
 
 extern struct s_config config;
 
@@ -20,14 +21,16 @@ void printhelp()
   "-h             Display this help text\n"
   "-i <file>      Input for temperature readout, usually somewhere in sysfs\n"
   "               Default: %s\n"
+  "-l <logger>    Logger to use, valid values: none, kmsg, stdout, syslog\n"
+  "               Default: %s\n"
   "-p <time>      Poll interval in seconds\n"
   "               Default: %d\n"
   "-s <step>      Step size in Khz when increasing/decreasing CPU speed\n"
   "               Default: %ld\n"
   "-t <number>    Temperature limit\n"
   "               Default: %ld\n",
-  config.fallback_freq,config.governor,config.temp_input,config.interval,
-  config.freq_step,config.max_temp/1000
+  config.fallback_freq,config.governor,config.temp_input,config.logger_name,
+  config.interval,config.freq_step,config.max_temp/1000
  );
 }
 
@@ -42,7 +45,7 @@ void argparse(int argc, char **argv)
  memcpy(&userconfig,&config,sizeof(struct s_config));
 
 // Parse options
- while((opt=getopt(argc,argv,"f:g:hi:p:s:t:"))!=-1)
+ while((opt=getopt(argc,argv,"f:g:hi:l:p:s:t:"))!=-1)
  {
   DEBUG1_ARGPARSE("Argument: %c Value: %s\n",opt,optarg);
   switch(opt)
@@ -59,6 +62,9 @@ void argparse(int argc, char **argv)
    case 'i':
     strncpy(userconfig.temp_input,optarg,sizeof(userconfig.temp_input));
     break;
+   case 'l':
+    strncpy(userconfig.logger_name,optarg,sizeof(userconfig.logger_name));
+    break;
    case 'p':
     userconfig.interval=strtoll(optarg,NULL,10);
     break;
@@ -74,6 +80,16 @@ void argparse(int argc, char **argv)
   }
  }
 
+// Change the logger function pointer
+ if (strcmp(userconfig.logger_name,"none")==0) userconfig.logger=&logger_none;
+ else if (strcmp(userconfig.logger_name,"stdout")==0) userconfig.logger=&logger_stdout;
+ else if (strcmp(userconfig.logger_name,"syslog")==0) userconfig.logger=&logger_syslog;
+ else if (strcmp(userconfig.logger_name,"kmsg")==0) userconfig.logger=&logger_kmsg;
+ else {
+  printf("Invalid value for logger, exiting.\n");
+  exit(1);
+ }
+
 // Copy modified config to global config
  memcpy(&config,&userconfig,sizeof(struct s_config));
 }