Refactor Actuators

[matches/MCTX3420.git] / server / main.c

diff --git a/server/main.c b/server/main.c
index 56794f2..c2e5161 100644 (file)
--- a/server/main.c
+++ b/server/main.c
@@ -1,20 +1,21 @@
 /**
  * @file main.c
- * @purpose main and its helper functions, signal handling and cleanup functions
+ * @brief main and its helper functions, signal handling and cleanup functions
  */
 
-#define _POSIX_C_SOURCE 200809L // For strsignal to work
+// --- Custom headers --- //
+#include "common.h"
+#include "options.h"
+#include "sensor.h"
+#include "actuator.h"
+#include "control.h"
+#include "pin_test.h"
+#include "bbb_pin_defines.h"
 
 // --- Standard headers --- //
-#include <stdlib.h>
-#include <stdio.h>
+#include <syslog.h> // for system logging
 #include <signal.h> // for signal handling
-#include <string.h> // string functions
-#include <pthread.h>
 
-// --- Custom headers --- //
-#include "log.h"
-#include "options.h"
 
 // --- Variable definitions --- //
 Options g_options; // options passed to program through command line arguments
@@ -28,21 +29,72 @@ Options g_options; // options passed to program through command line arguments
  */
 void ParseArguments(int argc, char ** argv)
 {
+
+
        g_options.program = argv[0]; // program name
        g_options.verbosity = LOGDEBUG; // default log level
-       Log(LOGDEBUG, "ParseArguments", "Called as %s with %d arguments.", g_options.program, argc);
-}
+       gettimeofday(&(g_options.start_time), NULL); // Start time
 
-/**
- * Handle a signal
- * @param signal - The signal number
- */
-void SignalHandler(int signal)
-{
-       // At the moment just always exit.
-       // Call `exit` so that Cleanup will be called to... clean up.
-       Log(LOGWARN, "SignalHandler", "Got signal %d (%s). Exiting.", signal, strsignal(signal));
-       exit(sig);
+
+       g_options.auth_method = AUTH_NONE;  // Don't use authentication
+       g_options.auth_uri = ""; // 
+       g_options.ldap_base_dn = "";
+       
+
+
+       for (int i = 1; i < argc; ++i)
+       {
+               if (argv[i][0] != '-')
+                       Fatal("Unexpected argv[%d] - %s", i, argv[i]);
+
+               if (i+1 >= argc || argv[i+1][0] == '-')
+                       Fatal("No argument following switch %s", argv[i]);
+               
+               if (strlen(argv[i]) > 2)
+                       Fatal("Human readable switches are not supported.");
+
+               char * end = NULL;
+               switch (argv[i][1])
+               {
+                       // Set program verbosity
+                       case 'v':
+                               g_options.verbosity = strtol(argv[++i], &end, 10);
+                               break;
+                       // Enable/Disable pin test
+                       case 'p':
+                               g_options.enable_pin = !(strtol(argv[++i], &end, 10));
+                               break;
+                       // LDAP URI
+                       case 'A':
+                               g_options.auth_uri = argv[++i];
+                               break;
+                       // LDAP DN
+                       case 'd':
+                               g_options.ldap_base_dn = argv[++i];
+                               break;
+                       default:
+                               Fatal("Unrecognised switch %s", argv[i]);
+                               break;
+               }
+
+               if (end != NULL && *end != '\0')
+                       Fatal("argv[%d] -%c requires an integer (got \"%s\" instead)", i-1, argv[i-1][0], argv[i]);
+       }       
+
+       Log(LOGDEBUG, "Verbosity: %d", g_options.verbosity);
+       Log(LOGDEBUG, "Pin Module Enabled: %d", g_options.enable_pin);
+       Log(LOGDEBUG, "Auth URI: %s", g_options.auth_uri);
+       Log(LOGDEBUG, "LDAP Base DN: %s", g_options.ldap_base_dn);
+
+       if (g_options.auth_uri[0] != '\0')
+       {
+               //HACK...
+               if (PathExists(g_options.auth_uri))
+                       g_options.auth_method = AUTH_SHADOW;
+               else
+                       g_options.auth_method = AUTH_LDAP;
+       }
+       
 }
 
 /**
@@ -50,9 +102,10 @@ void SignalHandler(int signal)
  */
 void Cleanup()
 {
-       Log(LOGDEBUG, "Cleanup", "Begin cleanup.");
-       Log(LOGDEBUG, "Cleanup", "Finish cleanup.");
-
+       Log(LOGDEBUG, "Begin cleanup.");
+       Sensor_Cleanup();
+       //Actuator_Cleanup();
+       Log(LOGDEBUG, "Finish cleanup.");
 }
 
 /**
@@ -60,9 +113,40 @@ void Cleanup()
  * @param argc - Num args
  * @param argv - Args
  * @returns 0 on success, error code on failure
+ * NOTE: NEVER USE exit(3)! Instead call Thread_QuitProgram
  */
 int main(int argc, char ** argv)
 {
+       // Open log before calling ParseArguments (since ParseArguments may call the Log functions)
+       openlog("mctxserv", LOG_PID | LOG_PERROR, LOG_USER);
+       Log(LOGINFO, "Server started");
+
+       ParseArguments(argc, argv); // Setup the g_options structure from program arguments
+
+       Sensor_Init();
+       Actuator_Init();
+       Pin_Init();
+       
+       // Try and start things
+       /*
+       const char *ret;
+       if ((ret = Control_SetMode(CONTROL_START, "test")) != NULL)
+               Fatal("Control_SetMode failed with '%s'", ret);
+       */
+
+       // run request thread in the main thread
+       FCGI_RequestLoop(NULL);
+
+       /*
+       if ((ret = Control_SetMode(CONTROL_STOP, "test")) != NULL)
+               Fatal("Control_SetMode failed with '%s'", ret);
+       */
+       //Sensor_StopAll();
+       //Actuator_StopAll();
+
+       Pin_Close();
+
+       Cleanup();
        return 0;
 }