3 * @brief main and its helper functions, signal handling and cleanup functions
6 // --- Custom headers --- //
13 #include "bbb_pin_defines.h"
15 // --- Standard headers --- //
16 #include <syslog.h> // for system logging
17 #include <signal.h> // for signal handling
20 // --- Variable definitions --- //
21 Options g_options; // options passed to program through command line arguments
23 // --- Function definitions --- //
26 * Parse command line arguments, initialise g_options
27 * @param argc - Number of arguments
28 * @param argv - Array of argument strings
30 void ParseArguments(int argc, char ** argv)
32 g_options.program = argv[0]; // program name
33 g_options.verbosity = LOGDEBUG; // default log level
34 // Set the main directory
35 //if (getcwd(g_options.root_dir, sizeof(g_options.root_dir)) == NULL)
36 // Fatal("Couldn't get current working directory - %s", strerror(errno));
38 gettimeofday(&(g_options.start_time), NULL); // Start time
41 g_options.auth_method = AUTH_NONE; // Don't use authentication
42 g_options.auth_uri = ""; //
43 g_options.ldap_base_dn = "";
44 g_options.experiment_dir = ".";
46 for (int i = 1; i < argc; ++i)
48 if (argv[i][0] != '-')
49 Fatal("Unexpected argv[%d] - %s", i, argv[i]);
51 if (i+1 >= argc || argv[i+1][0] == '-')
52 Fatal("No argument following switch %s", argv[i]);
54 if (strlen(argv[i]) > 2)
55 Fatal("Human readable switches are not supported.");
60 // Set program verbosity
62 g_options.verbosity = strtol(argv[++i], &end, 10);
64 // Enable/Disable pin test
66 g_options.enable_pin = !(strtol(argv[++i], &end, 10));
70 g_options.auth_uri = argv[++i];
74 g_options.ldap_base_dn = argv[++i];
77 // Experiments directory
78 g_options.experiment_dir = argv[++i];
81 Fatal("Unrecognised switch %s", argv[i]);
85 if (end != NULL && *end != '\0')
86 Fatal("argv[%d] -%c requires an integer (got \"%s\" instead)", i-1, argv[i-1][0], argv[i]);
89 Log(LOGDEBUG, "Verbosity: %d", g_options.verbosity);
90 Log(LOGDEBUG, "Pin Module Enabled: %d", g_options.enable_pin);
91 Log(LOGDEBUG, "Auth URI: %s", g_options.auth_uri);
92 Log(LOGDEBUG, "LDAP Base DN: %s", g_options.ldap_base_dn);
93 //Log(LOGDEBUG, "Root directory: %s", g_options.root_dir);
94 Log(LOGDEBUG, "Experiment directory: %s", g_options.experiment_dir);
96 if (!DirExists(g_options.experiment_dir))
98 Fatal("Experiment directory '%s' does not exist.", g_options.experiment_dir);
101 if (g_options.auth_uri[0] != '\0')
104 if (PathExists(g_options.auth_uri))
105 g_options.auth_method = AUTH_SHADOW;
107 g_options.auth_method = AUTH_LDAP;
113 * Cleanup before the program exits
117 Log(LOGDEBUG, "Begin cleanup.");
119 //Actuator_Cleanup();
120 Log(LOGDEBUG, "Finish cleanup.");
124 * Main entry point; start worker threads, setup signal handling, wait for threads to exit, exit
125 * @param argc - Num args
127 * @returns 0 on success, error code on failure
128 * NOTE: NEVER USE exit(3)! Instead call Thread_QuitProgram
130 int main(int argc, char ** argv)
132 // Open log before calling ParseArguments (since ParseArguments may call the Log functions)
133 openlog("mctxserv", LOG_PID | LOG_PERROR, LOG_USER);
134 Log(LOGINFO, "Server started");
136 ParseArguments(argc, argv); // Setup the g_options structure from program arguments
142 // Try and start things
145 if ((ret = Control_SetMode(CONTROL_START, "test")) != NULL)
146 Fatal("Control_SetMode failed with '%s'", ret);
149 // run request thread in the main thread
150 FCGI_RequestLoop(NULL);
153 if ((ret = Control_SetMode(CONTROL_STOP, "test")) != NULL)
154 Fatal("Control_SetMode failed with '%s'", ret);
157 //Actuator_StopAll();