(Almost done) pin refactoring

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

diff --git a/server/main.c b/server/main.c
index 56794f2..2ad9dcc 100644 (file)
--- a/server/main.c
+++ b/server/main.c
@@ -1,20 +1,20 @@
 /**
  * @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 +28,55 @@ Options g_options; // options passed to program through command line arguments
  */
 void ParseArguments(int argc, char ** argv)
 {
+       // horrible horrible hacks
+       g_options.argc = argc;
+       g_options.argv = 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
+       g_options.adc_device_path = ADC_DEVICE_PATH;
+       Log(LOGDEBUG, "Called as %s with %d arguments.", g_options.program, argc);
+
+       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.");
+
+               switch (argv[i][1])
+               {
+                       case 'a':
+                               g_options.adc_device_path = argv[i+1];
+                               Log(LOGINFO, "ADC Device Path: %s", argv[i+1]);
+                               ++i;
+                               break;
+                       default:
+                               Fatal("Unrecognised switch %s", argv[i]);
+                               break;
+               }
+       }       
 }
 
 /**
  * Handle a signal
  * @param signal - The signal number
  */
+//TODO: Something that gets massively annoying with threads is that you can't predict which one gets the signal
+// There are ways to deal with this, but I can't remember them
+// Probably sufficient to just call Thread_QuitProgram here
 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);
+       Log(LOGWARN, "Got signal %d (%s). Exiting.", signal, strsignal(signal));
+
+       //exit(signal);
 }
 
 /**
@@ -50,8 +84,8 @@ void SignalHandler(int signal)
  */
 void Cleanup()
 {
-       Log(LOGDEBUG, "Cleanup", "Begin cleanup.");
-       Log(LOGDEBUG, "Cleanup", "Finish cleanup.");
+       Log(LOGDEBUG, "Begin cleanup.");
+       Log(LOGDEBUG, "Finish cleanup.");
 
 }
 
@@ -60,9 +94,47 @@ 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);
+
+       //Open the system log
+
+       // signal handler
+       //TODO: Make this work
+       /*
+       int signals[] = {SIGINT, SIGSEGV, SIGTERM};
+       for (int i = 0; i < sizeof(signals)/sizeof(int); ++i)
+       {
+               signal(signals[i], SignalHandler);
+       }
+       */
+       Sensor_Init();
+       Actuator_Init();
+       Pin_Init();
+       //Sensor_StartAll("test");
+       //Actuator_StartAll("test");
+       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;
 }