/**
* @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
*/
-#include "common.h"
-
-
-// --- Standard headers --- //
-#include <signal.h> // for signal handling
// --- Custom headers --- //
-#include "fastcgi.h"
-#include "log.h"
+#include "common.h"
#include "options.h"
#include "sensor.h"
+#include "actuator.h"
+#include "control.h"
+#include "bbb_pin_defines.h"
+
+// --- Standard headers --- //
+#include <syslog.h> // for system logging
+#include <signal.h> // for signal handling
// --- Variable definitions --- //
Options g_options; // options passed to program through command line arguments
-Sensor g_sensors[NUMSENSORS]; // sensors array
// --- Function definitions --- //
*/
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
+ 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;
+ }
+ }
}
/**
*/
//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, "Got signal %d (%s). Exiting.", signal, strsignal(signal));
- exit(signal);
+
+ //exit(signal);
}
/**
* @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);
- // start sensor threads
- for (int i = 0; i < NUMSENSORS; ++i)
+ //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)
{
- Sensor_Init(g_sensors+i, i);
- pthread_create(&(g_sensors[i].thread), NULL, Sensor_Main, (void*)(g_sensors+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;
}