void test_lazy_load_failed()
{
Engine engine(Engine::READ_ONLY);
setup_log(engine);
Session session(Yb::theSchema(), &engine);
OrmTest dobj(session, ORM_XML_ID2);
CPPUNIT_ASSERT_EQUAL((int)DataObject::Ghost, (int)dobj.get_data_object()->status());
String x = dobj.a;
}
void tearDown()
{
SqlConnection conn(Engine::sql_source_from_env());
setup_log(conn);
conn.begin_trans_if_necessary();
conn.exec_direct(_T("DELETE FROM T_ORM_XML"));
conn.exec_direct(_T("DELETE FROM T_ORM_TEST"));
conn.grant_insert_id(_T("T_ORM_TEST"), false, true);
conn.grant_insert_id(_T("T_ORM_XML"), false, true);
conn.commit();
}
void dolog(FILE *output, ...)
{
va_list args;
va_start(args, output);
if (setjmp(buf) != 0)
{
vfprintf(output, "%i %i %n\n", args);
va_end(args);
}
else
setup_log(output);
}
void test_lazy_load()
{
Engine engine(Engine::READ_ONLY);
setup_log(engine);
Session session(Yb::theSchema(), &engine);
OrmTest dobj(session, ORM_TEST_ID1);
CPPUNIT_ASSERT_EQUAL((int)DataObject::Ghost, (int)dobj.get_data_object()->status());
CPPUNIT_ASSERT_EQUAL(string("item"), NARROW(dobj.a.value()));
CPPUNIT_ASSERT_EQUAL((int)DataObject::Sync, (int)dobj.get_data_object()->status());
dobj.a = _T("new_item");
CPPUNIT_ASSERT_EQUAL(string("new_item"), NARROW(dobj.a.value()));
CPPUNIT_ASSERT_EQUAL((int)DataObject::Dirty, (int)dobj.get_data_object()->status());
}
void setUp()
{
SqlConnection conn(Engine::sql_source_from_env());
conn.set_convert_params(true);
setup_log(conn);
conn.begin_trans_if_necessary();
conn.grant_insert_id(_T("T_ORM_TEST"), true, true);
{
String sql_str =
_T("INSERT INTO T_ORM_TEST(ID, A, B, C, D) VALUES(?, ?, ?, ?, ?)");
conn.prepare(sql_str);
Values params(5);
params[0] = Value(ORM_TEST_ID1);
params[1] = Value(_T("item"));
params[2] = Value(now());
params[3] = Value(Decimal(_T("1.2")));
params[4] = Value(4.56);
conn.exec(params);
}
conn.grant_insert_id(_T("T_ORM_TEST"), false, true);
conn.grant_insert_id(_T("T_ORM_XML"), true, true);
{
String sql_str =
_T("INSERT INTO T_ORM_XML(ID, ORM_TEST_ID, B) VALUES (?, ?, ?)");
conn.prepare(sql_str);
Values params(3);
params[0] = Value(ORM_XML_ID2);
params[1] = Value(ORM_TEST_ID1);
params[2] = Value(Decimal(_T("3.14")));
conn.exec(params);
params[0] = Value(ORM_XML_ID3);
params[1] = Value(ORM_TEST_ID1);
params[2] = Value(Decimal(_T("2.7")));
conn.exec(params);
}
{
String sql_str =
_T("INSERT INTO T_ORM_XML(ID, ORM_TEST_ID, B) VALUES (?, ?, ?)");
conn.prepare(sql_str);
Values params(3);
params[0] = Value(ORM_XML_ID4);
params[1] = Value();
params[2] = Value(Decimal(_T("42")));
conn.exec(params);
}
conn.grant_insert_id(_T("T_ORM_XML"), false, true);
conn.commit();
Yb::init_schema();
}
void test_null_fk_relation()
{
Engine engine(Engine::READ_ONLY);
setup_log(engine);
Session session(Yb::theSchema(), &engine);
OrmXml dobj(session, ORM_XML_ID4);
CPPUNIT_ASSERT_EQUAL((int)DataObject::Ghost, (int)dobj.get_data_object()->status());
Decimal x = dobj.b;
CPPUNIT_ASSERT_EQUAL((int)DataObject::Sync, (int)dobj.get_data_object()->status());
// Holder is always not empty!
CPPUNIT_ASSERT(dobj.orm_test._get_p() != NULL);
// but:
// DomainObject does not contain link to DataObject
CPPUNIT_ASSERT(dobj.orm_test->is_empty());
// Referencing DataObject does not have FK field set
CPPUNIT_ASSERT(dobj.get(_T("ORM_TEST_ID")).is_null());
}
void test_explicit_join2()
{
Engine engine(Engine::READ_ONLY);
setup_log(engine);
Session session(Yb::theSchema(), &engine);
DomainResultSet<OrmXml> rs = Yb::query<OrmXml>(session)
.select_from<OrmTest>()
.join<OrmXml>()
.filter_by(OrmTest::c.id == ORM_TEST_ID1)
.all();
vector<OrmXml> out;
copy(rs.begin(), rs.end(), back_inserter(out));
CPPUNIT_ASSERT_EQUAL(2, (int)out.size());
///
CPPUNIT_ASSERT_EQUAL(3, (int)session.objects_.size());
CPPUNIT_ASSERT_EQUAL(3, (int)session.identity_map_.size());
CPPUNIT_ASSERT(out[0] != out[1]);
}
void test_join()
{
Engine engine(Engine::READ_ONLY);
setup_log(engine);
Session session(Yb::theSchema(), &engine);
QueryObj<boost::tuple<OrmTest, OrmXml> > q1 =
Yb::query<boost::tuple<OrmTest, OrmXml> >(session)
.select_from<OrmTest>()
.join<OrmXml>(OrmTest::c.id == OrmXml::c.orm_test_id);
CPPUNIT_ASSERT_EQUAL(2, (int)q1.count());
QueryObj<boost::tuple<OrmTest, OrmXml> > q2 =
Yb::query<boost::tuple<OrmTest, OrmXml> >(session)
.select_from<OrmTest>()
.join<OrmXml>();
CPPUNIT_ASSERT_EQUAL(2, (int)q2.count());
// and the old style:
QueryObj<boost::tuple<OrmTest, OrmXml> > q3 =
Yb::query<boost::tuple<OrmTest, OrmXml> >(session);
CPPUNIT_ASSERT_EQUAL(2, (int)q3.count());
}
void test_holder()
{
// a new DomainObject with a new DataObject object are created
OrmXml::Holder dh0;
CPPUNIT_ASSERT(dh0._get_p() != NULL);
CPPUNIT_ASSERT(!dh0->is_empty());
// a new DomainObject with an empty DataObject are created
OrmXml::Holder dh1(EMPTY_DATAOBJ);
CPPUNIT_ASSERT(dh1._get_p() != NULL);
CPPUNIT_ASSERT(dh1->is_empty());
Engine engine(Engine::READ_ONLY);
setup_log(engine);
Session session(Yb::theSchema(), &engine);
OrmXml dobj(session, ORM_XML_ID4);
OrmXml::Holder dh2(dobj);
CPPUNIT_ASSERT(dh2._get_p() != NULL);
CPPUNIT_ASSERT_EQUAL(shptr_get(dobj.get_data_object()),
shptr_get(dh2->get_data_object()));
}
main(int argc, char *argv[])
#endif
{
char options[128] = "aAc:CdD::fhHI:l:LP:qrsS:UvV-:";
int arg, i, ret;
int dont_fork = 0;
int dont_zero_log = 0;
int stderr_log = 0, syslog_log = 0;
int uid = 0, gid = 0;
int agent_mode = -1;
char logfile[PATH_MAX + 1] = { 0 };
char *cptr, **argvptr;
char *pid_file = NULL;
#if HAVE_GETPID
int fd;
FILE *PID;
#endif
#ifdef LOGFILE
strncpy(logfile, LOGFILE, PATH_MAX);
#endif
#ifdef NO_ROOT_ACCESS
/*
* Default to no.
*/
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_NO_ROOT_ACCESS, 1);
#endif
/*
* Default to NOT running an AgentX master.
*/
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_AGENTX_MASTER, 0);
netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_AGENTX_TIMEOUT, -1);
netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_AGENTX_RETRIES, -1);
/*
* Add some options if they are available.
*/
#if HAVE_UNISTD_H
strcat(options, "g:u:");
#endif
#if defined(USING_AGENTX_SUBAGENT_MODULE)|| defined(USING_AGENTX_MASTER_MODULE)
strcat(options, "x:");
#endif
#ifdef USING_AGENTX_SUBAGENT_MODULE
strcat(options, "X");
#endif
/*
* Now process options normally.
*/
while ((arg = getopt(argc, argv, options)) != EOF) {
switch (arg) {
case '-':
if (strcasecmp(optarg, "help") == 0) {
usage(argv[0]);
}
if (strcasecmp(optarg, "version") == 0) {
version();
}
handle_long_opt(optarg);
break;
case 'a':
log_addresses++;
break;
case 'A':
dont_zero_log = 1;
break;
case 'c':
if (optarg != NULL) {
netsnmp_ds_set_string(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_OPTIONALCONFIG, optarg);
} else {
usage(argv[0]);
}
break;
case 'C':
netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_DONT_READ_CONFIGS, 1);
break;
case 'd':
snmp_set_dump_packet(++snmp_dump_packet);
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_VERBOSE, 1);
break;
case 'D':
debug_register_tokens(optarg);
snmp_set_do_debugging(1);
break;
case 'f':
dont_fork = 1;
break;
#if HAVE_UNISTD_H
case 'g':
if (optarg != NULL) {
netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_GROUPID, atoi(optarg));
} else {
usage(argv[0]);
}
break;
#endif
case 'h':
usage(argv[0]);
break;
case 'H':
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_NO_ROOT_ACCESS, 1);
init_agent("snmpd"); /* register our .conf handlers */
init_mib_modules();
init_snmp("snmpd");
fprintf(stderr, "Configuration directives understood:\n");
read_config_print_usage(" ");
exit(0);
case 'I':
if (optarg != NULL) {
add_to_init_list(optarg);
} else {
usage(argv[0]);
}
break;
case 'l':
if (optarg != NULL) {
if (strlen(optarg) > PATH_MAX) {
fprintf(stderr,
"%s: logfile path too long (limit %d chars)\n",
argv[0], PATH_MAX);
exit(1);
}
strncpy(logfile, optarg, PATH_MAX);
} else {
usage(argv[0]);
}
break;
case 'L':
stderr_log = 1;
break;
case 'P':
if (optarg != NULL) {
pid_file = optarg;
} else {
usage(argv[0]);
}
break;
case 'q':
snmp_set_quick_print(1);
break;
case 'r':
netsnmp_ds_toggle_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_NO_ROOT_ACCESS);
break;
case 's':
syslog_log = 1;
break;
case 'S':
if (optarg != NULL) {
switch (*optarg) {
case 'd':
case 'D':
Facility = LOG_DAEMON;
break;
case 'i':
case 'I':
Facility = LOG_INFO;
break;
case '0':
Facility = LOG_LOCAL0;
break;
case '1':
Facility = LOG_LOCAL1;
break;
case '2':
Facility = LOG_LOCAL2;
break;
case '3':
Facility = LOG_LOCAL3;
break;
case '4':
Facility = LOG_LOCAL4;
break;
case '5':
Facility = LOG_LOCAL5;
break;
case '6':
Facility = LOG_LOCAL6;
break;
case '7':
Facility = LOG_LOCAL7;
break;
default:
fprintf(stderr, "invalid syslog facility: -S%c\n",*optarg);
usage(argv[0]);
}
} else {
fprintf(stderr, "no syslog facility specified\n");
usage(argv[0]);
}
break;
case 'U':
netsnmp_ds_toggle_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_LEAVE_PIDFILE);
break;
#if HAVE_UNISTD_H
case 'u':
if (optarg != NULL) {
char *ecp;
int uid;
uid = strtoul(optarg, &ecp, 10);
if (*ecp) {
#if HAVE_GETPWNAM && HAVE_PWD_H
struct passwd *info;
info = getpwnam(optarg);
if (info) {
uid = info->pw_uid;
} else {
#endif
fprintf(stderr, "Bad user id: %s\n", optarg);
exit(1);
#if HAVE_GETPWNAM && HAVE_PWD_H
}
#endif
}
netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_USERID, uid);
} else {
usage(argv[0]);
}
break;
#endif
case 'v':
version();
case 'V':
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_VERBOSE, 1);
break;
#if defined(USING_AGENTX_SUBAGENT_MODULE)|| defined(USING_AGENTX_MASTER_MODULE)
case 'x':
if (optarg != NULL) {
netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_X_SOCKET, optarg);
} else {
usage(argv[0]);
}
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_AGENTX_MASTER, 1);
break;
#endif
case 'X':
#if defined(USING_AGENTX_SUBAGENT_MODULE)
agent_mode = SUB_AGENT;
#else
fprintf(stderr, "%s: Illegal argument -X:"
"AgentX support not compiled in.\n", argv[0]);
usage(argv[0]);
exit(1);
#endif
break;
default:
usage(argv[0]);
break;
}
}
if (optind < argc) {
/*
* There are optional transport addresses on the command line.
*/
DEBUGMSGTL(("snmpd/main", "optind %d, argc %d\n", optind, argc));
for (i = optind; i < argc; i++) {
char *c, *astring;
if ((c = netsnmp_ds_get_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_PORTS))) {
astring = malloc(strlen(c) + 2 + strlen(argv[i]));
if (astring == NULL) {
fprintf(stderr, "malloc failure processing argv[%d]\n", i);
exit(1);
}
sprintf(astring, "%s,%s", c, argv[i]);
netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_PORTS, astring);
free(astring);
} else {
netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_PORTS, argv[i]);
}
}
DEBUGMSGTL(("snmpd/main", "port spec: %s\n",
netsnmp_ds_get_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_PORTS)));
}
setup_log(0, dont_zero_log, stderr_log, syslog_log, logfile);
/*
* Initialize a argv set to the current for restarting the agent.
*/
argvrestartp = (char **)malloc((argc + 2) * sizeof(char *));
argvptr = argvrestartp;
for (i = 0, ret = 1; i < argc; i++) {
ret += strlen(argv[i]) + 1;
}
argvrestart = (char *) malloc(ret);
argvrestartname = (char *) malloc(strlen(argv[0]) + 1);
if (!argvrestartp || !argvrestart || !argvrestartname) {
fprintf(stderr, "malloc failure processing argvrestart\n");
exit(1);
}
strcpy(argvrestartname, argv[0]);
if (agent_mode == -1) {
if (strstr(argvrestartname, "agentxd") != NULL) {
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_ROLE, SUB_AGENT);
} else {
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_ROLE, MASTER_AGENT);
}
} else {
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_ROLE, agent_mode);
}
for (cptr = argvrestart, i = 0; i < argc; i++) {
strcpy(cptr, argv[i]);
*(argvptr++) = cptr;
cptr += strlen(argv[i]) + 1;
}
*cptr = 0;
*argvptr = NULL;
#ifdef BUFSIZ
setvbuf(stdout, NULL, _IOLBF, BUFSIZ);
#endif
/*
* Initialize the world. Detach from the shell. Create initial user.
*/
#if HAVE_FORK
if (!dont_fork) {
/*
* Fork to return control to the invoking process and to
* guarantee that we aren't a process group leader.
*/
if (fork() != 0) {
/* Parent. */
if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_QUIT_IMMEDIATELY)) {
exit(0);
}
} else {
/* Child. */
#ifdef HAVE_SETSID
/* Become a process/session group leader. */
setsid();
#endif
/*
* Fork to let the process/session group leader exit.
*/
if (fork() != 0) {
/* Parent. */
exit(0);
}
#ifndef WIN32
else {
/* Child. */
/* Avoid keeping any directory in use. */
chdir("/");
if (!stderr_log) {
/*
* Close inherited file descriptors to avoid
* keeping unnecessary references.
*/
close(0);
close(1);
close(2);
/*
* Redirect std{in,out,err} to /dev/null, just in
* case.
*/
open("/dev/null", O_RDWR);
dup(0);
dup(0);
}
}
#endif /* !WIN32 */
}
}
#endif /* HAVE_FORK */
SOCK_STARTUP;
init_agent("snmpd"); /* do what we need to do first. */
init_mib_modules();
/*
* start library
*/
init_snmp("snmpd");
if ((ret = init_master_agent()) != 0) {
/*
* Some error opening one of the specified agent transports.
*/
Exit(1); /* Exit logs exit val for us */
}
#ifdef SIGTERM
DEBUGMSGTL(("signal", "registering SIGTERM signal handler\n"));
signal(SIGTERM, SnmpdShutDown);
#endif
#ifdef SIGINT
DEBUGMSGTL(("signal", "registering SIGINT signal handler\n"));
signal(SIGINT, SnmpdShutDown);
#endif
#ifdef SIGHUP
DEBUGMSGTL(("signal", "registering SIGHUP signal handler\n"));
signal(SIGHUP, SnmpdReconfig);
#endif
#ifdef SIGUSR1
DEBUGMSGTL(("signal", "registering SIGUSR1 signal handler\n"));
signal(SIGUSR1, SnmpdDump);
#endif
#ifdef SIGPIPE
DEBUGMSGTL(("signal", "registering SIGPIPE signal handler\n"));
signal(SIGPIPE, SIG_IGN); /* 'Inline' failure of wayward readers */
#endif
/*
* Store persistent data immediately in case we crash later.
*/
snmp_store("snmpd");
/*
* Send coldstart trap if possible.
*/
send_easy_trap(0, 0);
#if HAVE_GETPID
if (pid_file != NULL) {
/*
* unlink the pid_file, if it exists, prior to open. Without
* doing this the open will fail if the user specified pid_file
* already exists.
*/
unlink(pid_file);
fd = open(pid_file, O_CREAT | O_EXCL | O_WRONLY, 0600);
if (fd == -1) {
snmp_log_perror(pid_file);
if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_NO_ROOT_ACCESS)) {
exit(1);
}
} else {
if ((PID = fdopen(fd, "w")) == NULL) {
snmp_log_perror(pid_file);
exit(1);
} else {
fprintf(PID, "%d\n", (int) getpid());
fclose(PID);
}
close(fd);
}
}
#endif
#if HAVE_UNISTD_H
#ifdef HAVE_SETGID
if ((gid = netsnmp_ds_get_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_GROUPID)) != 0) {
DEBUGMSGTL(("snmpd/main", "Changing gid to %d.\n", gid));
if (setgid(gid) == -1
#ifdef HAVE_SETGROUPS
|| setgroups(1, (gid_t *)&gid) == -1
#endif
) {
snmp_log_perror("setgid failed");
if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_NO_ROOT_ACCESS)) {
exit(1);
}
}
}
#endif
#ifdef HAVE_SETUID
if ((uid = netsnmp_ds_get_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_USERID)) != 0) {
DEBUGMSGTL(("snmpd/main", "Changing uid to %d.\n", uid));
if (setuid(uid) == -1) {
snmp_log_perror("setuid failed");
if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_NO_ROOT_ACCESS)) {
exit(1);
}
}
}
#endif
#endif
/*
* We're up, log our version number.
*/
snmp_log(LOG_INFO, "NET-SNMP version %s\n", netsnmp_get_version());
#ifdef WIN32
agent_status = AGENT_RUNNING;
#endif
netsnmp_addrcache_initialise();
/*
* Forever monitor the dest_port for incoming PDUs.
*/
DEBUGMSGTL(("snmpd/main", "We're up. Starting to process data.\n"));
if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_QUIT_IMMEDIATELY))
receive();
#include "mib_module_shutdown.h"
DEBUGMSGTL(("snmpd/main", "sending shutdown trap\n"));
SnmpTrapNodeDown();
DEBUGMSGTL(("snmpd/main", "Bye...\n"));
snmp_shutdown("snmpd");
if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_LEAVE_PIDFILE) &&
(pid_file != NULL)) {
unlink(pid_file);
}
#ifdef WIN32
agent_status = AGENT_STOPPED;
#endif
return 0;
} /* End main() -- snmpd */
int runsvdir_main(int argc, char **argv)
{
struct stat s;
dev_t last_dev = last_dev; /* for gcc */
ino_t last_ino = last_ino; /* for gcc */
time_t last_mtime = 0;
int wstat;
int curdir;
int pid;
unsigned deadline;
unsigned now;
unsigned stampcheck;
char ch;
int i;
argv++;
if (!*argv)
bb_show_usage();
if (argv[0][0] == '-') {
switch (argv[0][1]) {
case 'P': set_pgrp = 1;
case '-': ++argv;
}
if (!*argv)
bb_show_usage();
}
sig_catch(SIGTERM, s_term);
sig_catch(SIGHUP, s_hangup);
svdir = *argv++;
if (argv && *argv) {
rplog = *argv;
if (setup_log() != 1) {
rplog = 0;
warnx("log service disabled");
}
}
curdir = open_read(".");
if (curdir == -1)
fatal2_cannot("open current directory", "");
coe(curdir);
stampcheck = monotonic_sec();
for (;;) {
/* collect children */
for (;;) {
pid = wait_nohang(&wstat);
if (pid <= 0)
break;
for (i = 0; i < svnum; i++) {
if (pid == sv[i].pid) {
/* runsv has gone */
sv[i].pid = 0;
check = 1;
break;
}
}
}
now = monotonic_sec();
if ((int)(now - stampcheck) >= 0) {
/* wait at least a second */
stampcheck = now + 1;
if (stat(svdir, &s) != -1) {
if (check || s.st_mtime != last_mtime
|| s.st_ino != last_ino || s.st_dev != last_dev
) {
/* svdir modified */
if (chdir(svdir) != -1) {
last_mtime = s.st_mtime;
last_dev = s.st_dev;
last_ino = s.st_ino;
check = 0;
//if (now <= mtime)
// sleep(1);
runsvdir();
while (fchdir(curdir) == -1) {
warn2_cannot("change directory, pausing", "");
sleep(5);
}
} else
warn2_cannot("change directory to ", svdir);
}
} else
warn2_cannot("stat ", svdir);
}
if (rplog) {
if ((int)(now - stamplog) >= 0) {
write(logpipe[1], ".", 1);
stamplog = now + 900;
}
}
pfd[0].revents = 0;
sig_block(SIGCHLD);
deadline = (check ? 1 : 5);
if (rplog)
poll(pfd, 1, deadline*1000);
else
sleep(deadline);
sig_unblock(SIGCHLD);
if (pfd[0].revents & POLLIN) {
while (read(logpipe[0], &ch, 1) > 0) {
if (ch) {
for (i = 6; i < rploglen; i++)
rplog[i-1] = rplog[i];
rplog[rploglen-1] = ch;
}
}
}
switch (exitsoon) {
case 1:
_exit(0);
case 2:
for (i = 0; i < svnum; i++)
if (sv[i].pid)
kill(sv[i].pid, SIGTERM);
_exit(111);
}
}
/* not reached */
return 0;
}
int main(int argc, char **argv)
{
struct stat s;
time_t mtime =0;
int wstat;
int curdir;
int pid;
struct taia deadline;
struct taia now;
struct taia stampcheck;
char ch;
int i;
progname =*argv++;
if (! argv || ! *argv) usage();
if (**argv == '-')
{
switch (*(*argv +1))
{
case 'P':
pgrp =1;
case '-':
++argv;
}
if (! argv || ! *argv) usage();
}
sig_catch(sig_term, s_term);
sig_catch(sig_hangup, s_hangup);
svdir =*argv++;
if (argv && *argv)
{
rplog =*argv;
if (setup_log() != 1)
{
rplog =0;
warn3x("log service disabled.", 0, 0);
}
}
if ((curdir =open_read(".")) == -1)
fatal("unable to open current directory", 0);
coe(curdir);
taia_now(&stampcheck);
for (;;)
{
/* collect children */
for (;;)
{
if ((pid =wait_nohang(&wstat)) <= 0) break;
for (i =0; i < svnum; i++)
{
if (pid == sv[i].pid)
{
/* runsv has gone */
sv[i].pid =0;
check =1;
break;
}
}
}
taia_now(&now);
if (now.sec.x < (stampcheck.sec.x -3))
{
/* time warp */
warn3x("time warp: resetting time stamp.", 0, 0);
taia_now(&stampcheck);
taia_now(&now);
if (rplog) taia_now(&stamplog);
}
if (taia_less(&now, &stampcheck) == 0)
{
/* wait at least a second */
taia_uint(&deadline, 1);
taia_add(&stampcheck, &now, &deadline);
if (stat(svdir, &s) != -1)
{
if (check || \
s.st_mtime != mtime || s.st_ino != ino || s.st_dev != dev)
{
/* svdir modified */
if (chdir(svdir) != -1)
{
mtime =s.st_mtime;
dev =s.st_dev;
ino =s.st_ino;
check =0;
if (now.sec.x <= (4611686018427387914ULL +(uint64)mtime))
sleep(1);
runsvdir();
while (fchdir(curdir) == -1)
{
warn("unable to change directory, pausing", 0);
sleep(5);
}
}
else
warn("unable to change directory to ", svdir);
}
}
else
warn("unable to stat ", svdir);
}
if (rplog)
if (taia_less(&now, &stamplog) == 0)
{
write(logpipe[1], ".", 1);
taia_uint(&deadline, 900);
taia_add(&stamplog, &now, &deadline);
}
/* half a second */
deadline.sec.x =0;
deadline.nano =500000000UL;
deadline.atto =0;
taia_add(&deadline, &now, &deadline);
sig_block(sig_child);
if (rplog)
iopause(io, 1, &deadline, &now);
else
iopause(0, 0, &deadline, &now);
sig_unblock(sig_child);
if (rplog && (io[0].revents | IOPAUSE_READ))
while (read(logpipe[0], &ch, 1) > 0)
if (ch)
{
for (i =6; i < rploglen; i++)
rplog[i -1] =rplog[i];
rplog[rploglen -1] =ch;
}
switch(exitsoon)
{
case 1:
_exit(0);
case 2:
for (i =0; i < svnum; i++) if (sv[i].pid) kill(sv[i].pid, SIGTERM);
_exit(111);
}
} /* for (;;) */
/* not reached */
_exit(0);
}
int main(int argc, const char * argv[]) {
setup_log();
double destination[3] = {0, 5, 3} ;
double vitesse[3] = {0} ;
double position[3] = {0} ;
double propulsion_verticale = 0, propulsion_horizontale = 0 ;
int i = 1;
do {
double delta_t = get_delta_t(); ;
double acceleration[3];
double deplacement[3] = { 0 };
acquerir_acceleration(acceleration);
double v0[3];
matrix_col_copy(vitesse, v0);
// vitesse = acceleration * ∆t + v0
matrix_k(acceleration, delta_t, acceleration);
matrix_col_sum(acceleration, v0, vitesse);
// vitesse = 1/2 . acceleration * ∆t^2 + v0 . ∆t
matrix_k(acceleration, delta_t, acceleration);
matrix_k(acceleration, 0.5, acceleration);
matrix_k(v0, delta_t, v0);
matrix_col_sum(deplacement, acceleration, deplacement);
matrix_col_sum(deplacement, v0, deplacement);
//On calcul la nouvelle position du dirigeable
double θ = acquerir_angle_nord() / (2 * PI) ; //conversion degré/radians
double matrice_passage[3][3] = {
{ cos(θ), sin(θ), 0 },
{ -sin(θ), cos(θ), 0 },
{ 0 , 0 , 1 }
};
matrix_product(deplacement, matrice_passage, deplacement); //on calcul les coordonées de d dans (i,j)
matrix_col_sum(deplacement, position, position); // on ajoute le déplacement à la position du dirigeable
// et on agit en fonction
//on inverse la matrice de passage afin d'aller de (i, j) vers (k, l)
matrice_passage[0][1] *= -1 ;
matrice_passage[1][0] *= -1 ;
//les coordonées de la destination, dans le référentiel du ballon
double dest[3] ;
matrix_col_copy(destination, dest) ;
matrix_col_diff(dest, position, dest);
matrix_product(dest, matrice_passage, dest);
char tourner = 0 ;
double angle_destination = atan(dest[0]/dest[1]);
double distance_destination = sqrt(pow(dest[0], 2) + pow(dest[1], 2));
// Dans le plan (x, y)
if(distance_destination > 0.1){
if(dest[1] > 0 && isClose(angle_destination, 0, PI/16)){
if(vitesse[1] > .1 && acceleration[1] > 0){
propulsion_horizontale -= .1 ;
}
if(vitesse[1] < .1){
propulsion_horizontale += .1 ;
}
}
else {
propulsion_horizontale = .2 ;
if(dest[0] < 0){
tourner = -1 ;
}
else if(dest[0] > 0){
tourner = 1 ;
}
}
}
else {
if (vitesse[1] > 0.01) { //on ralenti à l'approche de l'objectif
propulsion_horizontale = -7 ;
}
else {
propulsion_horizontale = 0 ;
}
}
// on adapte la propulsion verticale
if(vitesse[2] > 0.1){
propulsion_verticale-- ;
if(vitesse[2] > 1){
propulsion_verticale -= 10;
}
}
else if(vitesse[2] < - 0.1){
propulsion_verticale++ ;
if(vitesse[2] < -1){
propulsion_verticale += 10;
}
}
else if(position[2] < destination[2]){
propulsion_verticale++;
}
else if (position[2] > destination[2]){
propulsion_verticale-- ;
}
//On réajuste ensuite les demandes moteur
if(propulsion_verticale > 100){
propulsion_verticale = 100 ;
}
else if(propulsion_verticale < 1){
propulsion_verticale = 1 ;
}
if(propulsion_horizontale > 100){
propulsion_horizontale = 100 ;
}
else if(propulsion_horizontale < -100){
propulsion_horizontale = -100 ;
}
double norme = sqrt(pow(propulsion_verticale,2) + pow(propulsion_horizontale,2)) ;
// si on demande une trop forte poussée aux moteurs, on réajuste la demande
// en donnant la priorité à la poussée verticale
if(norme > 100){
norme = 100 ;
int signe = propulsion_horizontale < 0 ? -1 : 1 ;
propulsion_horizontale = signe * sqrt(pow(norme, 2) - pow(propulsion_verticale,2)) ;
}
double angle_moteur_gauche = atan(propulsion_horizontale / propulsion_verticale) ;
double angle_moteur_droit = angle_moteur_gauche ;
if(tourner != 0){
angle_moteur_gauche *= tourner ;
angle_moteur_droit *= -tourner ;
}
adapter_propulsion(norme, angle_moteur_gauche, angle_moteur_droit);
if(i % 5 == 0){ //On complète le log toutes les 5 périodes
add_log(acceleration, vitesse, position, dest, propulsion_verticale, propulsion_horizontale, angle_moteur_gauche, angle_moteur_droit, θ);
}
} while(i++ < 1200) ;
matrix_col_print(position);
close_log();
return 0;
}
main(int argc, char *argv[])
#endif
{
char options[128] = "aAc:CdD::fhHI:l:L:m:M:p:P:qrsS:UvV-:";
int arg, i, ret;
int dont_fork = 0;
int dont_zero_log = 0;
int syslog_log = 0;
int uid = 0, gid = 0;
int agent_mode = -1;
char logfile[PATH_MAX + 1] = { 0 };
char *cptr, **argvptr;
char *pid_file = NULL;
char option_compatability[] = "-Le";
#if HAVE_GETPID
int fd;
FILE *PID;
#endif
#ifndef WIN32
/*
* close all non-standard file descriptors we may have
* inherited from the shell.
*/
for (i = getdtablesize() - 1; i > 2; --i) {
(void) close(i);
}
#endif /* #WIN32 */
/*
* register signals ASAP to prevent default action (usually core)
* for signals during startup...
*/
#ifdef SIGTERM
DEBUGMSGTL(("signal", "registering SIGTERM signal handler\n"));
signal(SIGTERM, SnmpdShutDown);
#endif
#ifdef SIGINT
DEBUGMSGTL(("signal", "registering SIGINT signal handler\n"));
signal(SIGINT, SnmpdShutDown);
#endif
#ifdef SIGHUP
DEBUGMSGTL(("signal", "registering SIGHUP signal handler\n"));
signal(SIGHUP, SnmpdReconfig);
#endif
#ifdef SIGUSR1
DEBUGMSGTL(("signal", "registering SIGUSR1 signal handler\n"));
signal(SIGUSR1, SnmpdDump);
#endif
#ifdef SIGPIPE
DEBUGMSGTL(("signal", "registering SIGPIPE signal handler\n"));
signal(SIGPIPE, SIG_IGN); /* 'Inline' failure of wayward readers */
#endif
#ifdef SIGXFSZ
signal(SIGXFSZ, SnmpdCatchRandomSignal);
#endif
#ifdef LOGFILE
strncpy(logfile, LOGFILE, PATH_MAX);
#endif
#ifdef NO_ROOT_ACCESS
/*
* Default to no.
*/
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_NO_ROOT_ACCESS, 1);
#endif
/*
* Default to NOT running an AgentX master.
*/
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_AGENTX_MASTER, 0);
netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_AGENTX_TIMEOUT, -1);
netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_AGENTX_RETRIES, -1);
/*
* Add some options if they are available.
*/
#if HAVE_UNISTD_H
strcat(options, "g:u:");
#endif
#if defined(USING_AGENTX_SUBAGENT_MODULE)|| defined(USING_AGENTX_MASTER_MODULE)
strcat(options, "x:");
#endif
#ifdef USING_AGENTX_SUBAGENT_MODULE
strcat(options, "X");
#endif
/*
* This is incredibly ugly, but it's probably the simplest way
* to handle the old '-L' option as well as the new '-Lx' style
*/
for (i=0; i<argc; i++) {
if (!strcmp(argv[i], "-L"))
argv[i] = option_compatability;
}
snmp_log_syslogname(app_name);
/*
* Now process options normally.
*/
while ((arg = getopt(argc, argv, options)) != EOF) {
switch (arg) {
case '-':
if (strcasecmp(optarg, "help") == 0) {
usage(argv[0]);
}
if (strcasecmp(optarg, "version") == 0) {
version();
}
handle_long_opt(optarg);
break;
case 'a':
log_addresses++;
break;
case 'A':
dont_zero_log = 1;
break;
case 'c':
if (optarg != NULL) {
netsnmp_ds_set_string(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_OPTIONALCONFIG, optarg);
} else {
usage(argv[0]);
}
break;
case 'C':
netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_DONT_READ_CONFIGS, 1);
break;
case 'd':
snmp_set_dump_packet(++snmp_dump_packet);
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_VERBOSE, 1);
break;
case 'D':
debug_register_tokens(optarg);
snmp_set_do_debugging(1);
break;
case 'f':
dont_fork = 1;
break;
#if HAVE_UNISTD_H
case 'g':
if (optarg != NULL) {
netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_GROUPID, atoi(optarg));
} else {
usage(argv[0]);
}
break;
#endif
case 'h':
usage(argv[0]);
break;
case 'H':
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_NO_ROOT_ACCESS, 1);
init_agent("snmpd"); /* register our .conf handlers */
init_mib_modules();
init_snmp("snmpd");
fprintf(stderr, "Configuration directives understood:\n");
read_config_print_usage(" ");
exit(0);
case 'I':
if (optarg != NULL) {
add_to_init_list(optarg);
} else {
usage(argv[0]);
}
break;
case 'l':
printf("Warning: -l option is deprecated, use -Lf <file> instead\n");
if (optarg != NULL) {
if (strlen(optarg) > PATH_MAX) {
fprintf(stderr,
"%s: logfile path too long (limit %d chars)\n",
argv[0], PATH_MAX);
exit(1);
}
strncpy(logfile, optarg, PATH_MAX);
} else {
usage(argv[0]);
}
break;
case 'L':
if (snmp_log_options( optarg, argc, argv ) < 0 ) {
usage(argv[0]);
}
break;
case 'm':
if (optarg != NULL) {
setenv("MIBS", optarg, 1);
} else {
usage(argv[0]);
}
break;
case 'M':
if (optarg != NULL) {
setenv("MIBDIRS", optarg, 1);
} else {
usage(argv[0]);
}
break;
case 'P':
printf("Warning: -P option is deprecated, use -p instead\n");
case 'p':
if (optarg != NULL) {
pid_file = optarg;
} else {
usage(argv[0]);
}
break;
case 'q':
snmp_set_quick_print(1);
break;
case 'r':
netsnmp_ds_toggle_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_NO_ROOT_ACCESS);
break;
case 's':
printf("Warning: -s option is deprecated, use -Lsd instead\n");
syslog_log = 1;
break;
case 'S':
printf("Warning: -S option is deprecated, use -Ls <facility> instead\n");
if (optarg != NULL) {
switch (*optarg) {
case 'd':
case 'D':
Facility = LOG_DAEMON;
break;
case 'i':
case 'I':
Facility = LOG_INFO;
break;
case '0':
Facility = LOG_LOCAL0;
break;
case '1':
Facility = LOG_LOCAL1;
break;
case '2':
Facility = LOG_LOCAL2;
break;
case '3':
Facility = LOG_LOCAL3;
break;
case '4':
Facility = LOG_LOCAL4;
break;
case '5':
Facility = LOG_LOCAL5;
break;
case '6':
Facility = LOG_LOCAL6;
break;
case '7':
Facility = LOG_LOCAL7;
break;
default:
fprintf(stderr, "invalid syslog facility: -S%c\n",*optarg);
usage(argv[0]);
}
} else {
fprintf(stderr, "no syslog facility specified\n");
usage(argv[0]);
}
break;
case 'U':
netsnmp_ds_toggle_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_LEAVE_PIDFILE);
break;
#if HAVE_UNISTD_H
case 'u':
if (optarg != NULL) {
char *ecp;
int uid;
uid = strtoul(optarg, &ecp, 10);
if (*ecp) {
#if HAVE_GETPWNAM && HAVE_PWD_H
struct passwd *info;
info = getpwnam(optarg);
if (info) {
uid = info->pw_uid;
} else {
#endif
fprintf(stderr, "Bad user id: %s\n", optarg);
exit(1);
#if HAVE_GETPWNAM && HAVE_PWD_H
}
#endif
}
netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_USERID, uid);
} else {
usage(argv[0]);
}
break;
#endif
case 'v':
version();
case 'V':
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_VERBOSE, 1);
break;
#if defined(USING_AGENTX_SUBAGENT_MODULE)|| defined(USING_AGENTX_MASTER_MODULE)
case 'x':
if (optarg != NULL) {
netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_X_SOCKET, optarg);
} else {
usage(argv[0]);
}
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_AGENTX_MASTER, 1);
break;
#endif
case 'X':
#if defined(USING_AGENTX_SUBAGENT_MODULE)
agent_mode = SUB_AGENT;
#else
fprintf(stderr, "%s: Illegal argument -X:"
"AgentX support not compiled in.\n", argv[0]);
usage(argv[0]);
exit(1);
#endif
break;
default:
usage(argv[0]);
break;
}
}
if (optind < argc) {
/*
* There are optional transport addresses on the command line.
*/
DEBUGMSGTL(("snmpd/main", "optind %d, argc %d\n", optind, argc));
for (i = optind; i < argc; i++) {
char *c, *astring;
if ((c = netsnmp_ds_get_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_PORTS))) {
astring = (char*)malloc(strlen(c) + 2 + strlen(argv[i]));
if (astring == NULL) {
fprintf(stderr, "malloc failure processing argv[%d]\n", i);
exit(1);
}
sprintf(astring, "%s,%s", c, argv[i]);
netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_PORTS, astring);
SNMP_FREE(astring);
} else {
netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_PORTS, argv[i]);
}
}
DEBUGMSGTL(("snmpd/main", "port spec: %s\n",
netsnmp_ds_get_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_PORTS)));
}
setup_log(0, dont_zero_log, 0, syslog_log, logfile);
/*
* Initialize a argv set to the current for restarting the agent.
*/
argvrestartp = (char **)malloc((argc + 2) * sizeof(char *));
argvptr = argvrestartp;
for (i = 0, ret = 1; i < argc; i++) {
ret += strlen(argv[i]) + 1;
}
argvrestart = (char *) malloc(ret);
argvrestartname = (char *) malloc(strlen(argv[0]) + 1);
if (!argvrestartp || !argvrestart || !argvrestartname) {
fprintf(stderr, "malloc failure processing argvrestart\n");
exit(1);
}
strcpy(argvrestartname, argv[0]);
if (agent_mode == -1) {
if (strstr(argvrestartname, "agentxd") != NULL) {
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_ROLE, SUB_AGENT);
} else {
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_ROLE, MASTER_AGENT);
}
} else {
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_ROLE, agent_mode);
}
for (cptr = argvrestart, i = 0; i < argc; i++) {
strcpy(cptr, argv[i]);
*(argvptr++) = cptr;
cptr += strlen(argv[i]) + 1;
}
*cptr = 0;
*argvptr = NULL;
#ifdef BUFSIZ
setvbuf(stdout, NULL, _IOLBF, BUFSIZ);
#endif
/*
* Initialize the world. Detach from the shell. Create initial user.
*/
if(!dont_fork) {
int quit = ! netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_QUIT_IMMEDIATELY);
ret = netsnmp_daemonize(quit, snmp_stderrlog_status());
/*
* xxx-rks: do we care if fork fails? I think we should...
*/
if(ret != 0)
Exit(1); /* Exit logs exit val for us */
}
SOCK_STARTUP;
init_agent("snmpd"); /* do what we need to do first. */
init_mib_modules();
/*
* start library
*/
init_snmp("snmpd");
if ((ret = init_master_agent()) != 0) {
/*
* Some error opening one of the specified agent transports.
*/
Exit(1); /* Exit logs exit val for us */
}
/*
* Store persistent data immediately in case we crash later.
*/
snmp_store("snmpd");
/*
* Send coldstart trap if possible.
*/
send_easy_trap(0, 0);
#if HAVE_GETPID
if (pid_file != NULL) {
/*
* unlink the pid_file, if it exists, prior to open. Without
* doing this the open will fail if the user specified pid_file
* already exists.
*/
unlink(pid_file);
fd = open(pid_file, O_CREAT | O_EXCL | O_WRONLY, 0600);
if (fd == -1) {
snmp_log_perror(pid_file);
if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_NO_ROOT_ACCESS)) {
exit(1);
}
} else {
if ((PID = fdopen(fd, "w")) == NULL) {
snmp_log_perror(pid_file);
exit(1);
} else {
fprintf(PID, "%d\n", (int) getpid());
fclose(PID);
}
close(fd);
}
}
#endif
#if HAVE_UNISTD_H
#ifdef HAVE_SETGID
if ((gid = netsnmp_ds_get_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_GROUPID)) != 0) {
DEBUGMSGTL(("snmpd/main", "Changing gid to %d.\n", gid));
if (setgid(gid) == -1
#ifdef HAVE_SETGROUPS
|| setgroups(1, (gid_t *)&gid) == -1
#endif
) {
snmp_log_perror("setgid failed");
if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_NO_ROOT_ACCESS)) {
exit(1);
}
}
}
#endif
#ifdef HAVE_SETUID
if ((uid = netsnmp_ds_get_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_USERID)) != 0) {
DEBUGMSGTL(("snmpd/main", "Changing uid to %d.\n", uid));
if (setuid(uid) == -1) {
snmp_log_perror("setuid failed");
if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_NO_ROOT_ACCESS)) {
exit(1);
}
}
}
#endif
#endif
/*
* We're up, log our version number.
*/
snmp_log(LOG_INFO, "NET-SNMP version %s\n", netsnmp_get_version());
#ifdef WIN32SERVICE
agent_status = AGENT_RUNNING;
#endif
netsnmp_addrcache_initialise();
/*
* Forever monitor the dest_port for incoming PDUs.
*/
DEBUGMSGTL(("snmpd/main", "We're up. Starting to process data.\n"));
if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_QUIT_IMMEDIATELY))
receive();
#include "mib_module_shutdown.h"
DEBUGMSGTL(("snmpd/main", "sending shutdown trap\n"));
SnmpTrapNodeDown();
DEBUGMSGTL(("snmpd/main", "Bye...\n"));
snmp_shutdown("snmpd");
#ifdef SHUTDOWN_AGENT_CLEANLY /* broken code */
/* these attempt to free all known memory, but result in double frees */
shutdown_master_agent();
shutdown_agent();
#endif
if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_LEAVE_PIDFILE) &&
(pid_file != NULL)) {
unlink(pid_file);
}
#ifdef WIN32SERVICE
agent_status = AGENT_STOPPED;
#endif
SNMP_FREE(argvrestartname);
SNMP_FREE(argvrestart);
SNMP_FREE(argvrestartp);
SOCK_CLEANUP;
return 0;
} /* End main() -- snmpd */
/*******************************************************************-o-******
* receive
*
* Parameters:
*
* Returns:
* 0 On success.
* -1 System error.
*
* Infinite while-loop which monitors incoming messges for the agent.
* Invoke the established message handlers for incoming messages on a per
* port basis. Handle timeouts.
*/
static int
receive(void)
{
int numfds;
fd_set readfds, writefds, exceptfds;
struct timeval timeout, *tvp = &timeout;
struct timeval sched, *svp = &sched, now, *nvp = &now;
int count, block, i;
#ifdef USING_SMUX_MODULE
int sd;
#endif /* USING_SMUX_MODULE */
/*
* Set the 'sched'uled timeout to the current time + one TIMETICK.
*/
gettimeofday(nvp, (struct timezone *) NULL);
svp->tv_usec = nvp->tv_usec + TIMETICK;
svp->tv_sec = nvp->tv_sec;
while (svp->tv_usec >= ONE_SEC) {
svp->tv_usec -= ONE_SEC;
svp->tv_sec++;
}
/*
* ignore early sighup during startup
*/
reconfig = 0;
/*
* Loop-forever: execute message handlers for sockets with data,
* reset the 'sched'uler.
*/
while (netsnmp_running) {
if (reconfig) {
reconfig = 0;
snmp_log(LOG_INFO, "Reconfiguring daemon\n");
/* Stop and restart logging. This allows logfiles to be
rotated etc. */
snmp_disable_log();
setup_log(1, 0, 0, 0, NULL);
snmp_log(LOG_INFO, "NET-SNMP version %s restarted\n",
netsnmp_get_version());
update_config();
send_easy_trap(SNMP_TRAP_ENTERPRISESPECIFIC, 3);
}
for (i = 0; i < NUM_EXTERNAL_SIGS; i++) {
if (external_signal_scheduled[i]) {
external_signal_scheduled[i]--;
external_signal_handler[i](i);
}
}
tvp = &timeout;
tvp->tv_sec = 0;
tvp->tv_usec = TIMETICK;
numfds = 0;
FD_ZERO(&readfds);
FD_ZERO(&writefds);
FD_ZERO(&exceptfds);
block = 0;
snmp_select_info(&numfds, &readfds, tvp, &block);
if (block == 1) {
tvp = NULL; /* block without timeout */
}
#ifdef USING_SMUX_MODULE
if (smux_listen_sd >= 0) {
FD_SET(smux_listen_sd, &readfds);
numfds =
smux_listen_sd >= numfds ? smux_listen_sd + 1 : numfds;
for (i = 0; i < sdlen; i++) {
FD_SET(sdlist[i], &readfds);
numfds = sdlist[i] >= numfds ? sdlist[i] + 1 : numfds;
}
}
#endif /* USING_SMUX_MODULE */
for (i = 0; i < external_readfdlen; i++) {
FD_SET(external_readfd[i], &readfds);
if (external_readfd[i] >= numfds)
numfds = external_readfd[i] + 1;
}
for (i = 0; i < external_writefdlen; i++) {
FD_SET(external_writefd[i], &writefds);
if (external_writefd[i] >= numfds)
numfds = external_writefd[i] + 1;
}
for (i = 0; i < external_exceptfdlen; i++) {
FD_SET(external_exceptfd[i], &exceptfds);
if (external_exceptfd[i] >= numfds)
numfds = external_exceptfd[i] + 1;
}
reselect:
DEBUGMSGTL(("snmpd/select", "select( numfds=%d, ..., tvp=%p)\n",
numfds, tvp));
count = select(numfds, &readfds, &writefds, &exceptfds, tvp);
DEBUGMSGTL(("snmpd/select", "returned, count = %d\n", count));
if (count > 0) {
#ifdef USING_SMUX_MODULE
/*
* handle the SMUX sd's
*/
if (smux_listen_sd >= 0) {
for (i = 0; i < sdlen; i++) {
if (FD_ISSET(sdlist[i], &readfds)) {
if (smux_process(sdlist[i]) < 0) {
for (; i < (sdlen - 1); i++) {
sdlist[i] = sdlist[i + 1];
}
sdlen--;
}
}
}
/*
* new connection
*/
if (FD_ISSET(smux_listen_sd, &readfds)) {
if ((sd = smux_accept(smux_listen_sd)) >= 0) {
sdlist[sdlen++] = sd;
}
}
}
#endif /* USING_SMUX_MODULE */
snmp_read(&readfds);
for (i = 0; count && (i < external_readfdlen); i++) {
if (FD_ISSET(external_readfd[i], &readfds)) {
DEBUGMSGTL(("snmpd/select", "readfd[%d] = %d\n",
i, external_readfd[i]));
external_readfdfunc[i] (external_readfd[i],
external_readfd_data[i]);
FD_CLR(external_readfd[i], &readfds);
count--;
}
}
for (i = 0; count && (i < external_writefdlen); i++) {
if (FD_ISSET(external_writefd[i], &writefds)) {
DEBUGMSGTL(("snmpd/select", "writefd[%d] = %d\n",
i, external_writefd[i]));
external_writefdfunc[i] (external_writefd[i],
external_writefd_data[i]);
FD_CLR(external_writefd[i], &writefds);
count--;
}
}
for (i = 0; count && (i < external_exceptfdlen); i++) {
if (FD_ISSET(external_exceptfd[i], &exceptfds)) {
DEBUGMSGTL(("snmpd/select", "exceptfd[%d] = %d\n",
i, external_exceptfd[i]));
external_exceptfdfunc[i] (external_exceptfd[i],
external_exceptfd_data[i]);
FD_CLR(external_exceptfd[i], &exceptfds);
count--;
}
}
} else
switch (count) {
case 0:
snmp_timeout();
break;
case -1:
if (errno == EINTR) {
/*
* likely that we got a signal. Check our special signal
* flags before retrying select.
*/
if (netsnmp_running && !reconfig) {
goto reselect;
}
continue;
} else {
snmp_log_perror("select");
}
return -1;
default:
snmp_log(LOG_ERR, "select returned %d\n", count);
return -1;
} /* endif -- count>0 */
/*
* If the time 'now' is greater than the 'sched'uled time, then:
*
* Check alarm and event timers.
* Reset the 'sched'uled time to current time + one TIMETICK.
* Age the cache network addresses (from whom messges have
* been received).
*/
gettimeofday(nvp, (struct timezone *)NULL);
if (nvp->tv_sec > svp->tv_sec || (nvp->tv_sec == svp->tv_sec &&
nvp->tv_usec > svp->tv_usec)) {
svp->tv_usec = nvp->tv_usec + TIMETICK;
svp->tv_sec = nvp->tv_sec;
while (svp->tv_usec >= ONE_SEC) {
svp->tv_usec -= ONE_SEC;
svp->tv_sec++;
}
}
/*
* endif -- now>sched
*/
/*
* run requested alarms
*/
run_alarms();
netsnmp_check_outstanding_agent_requests();
} /* endwhile */
snmp_log(LOG_INFO, "Received TERM or STOP signal... shutting down...\n");
return 0;
} /* end receive() */
int main(int argc, char **argv)
{
int fd = 0;
pid_t pid = 0; /* child pid */
pid_t sid = 0;
init();
/*
* set up databases
*/
if (!db_init()) {
log_msg(INFO, "Couldn't create databases");
exit(EXIT_FAILURE);
}
/*
* Parse command line options
*/
handle_lispd_command_line(argc, argv);
/*
* see if we need to daemonize, and if so, do it
*/
if (lispd_config.daemonize) {
log_msg(INFO, "lispd is backgrounding...");
if ((pid = fork()) < 0) {
exit(EXIT_FAILURE);
}
if (pid > 0) {
log_msg(INFO, "done. Running as PID %d", pid);
exit(EXIT_SUCCESS);
}
umask(0);
if ((sid = setsid()) < 0)
exit(EXIT_FAILURE);
if ((chdir("/")) < 0)
exit(EXIT_FAILURE);
/*
* Redirect standard files to /dev/null save fd in
* case we need to get back to stdout later
*/
fd = dup(fileno(stdout));
}
signal(SIGHUP, signal_handler);
signal(SIGTERM, signal_handler);
signal(SIGINT, signal_handler);
signal(SIGQUIT, signal_handler);
init_timers();
/*
* Check if lispd is already running. Only allow one instance!
*/
if (!get_process_lock(getpid())) {
log_msg(FATAL, "lispd already running, please stop before restarting. If this seems wrong"
" remove %s.", LISPD_LOCKFILE);
printf("lispd already running, please stop before restarting.\n If this appears wrong,"
" remove %s.\n", LISPD_LOCKFILE);
exit(EXIT_FAILURE);
}
if (!setup_netlink()) {
log_msg(FATAL, "Can't set up netlink socket (is the kernel module loaded?), exiting...");
die(EXIT_FAILURE);
}
if (!setup_rtnetlink()) {
log_msg(FATAL, "Can't setup rtnetlink socket, exiting...");
die(EXIT_FAILURE);
}
if (!register_lispd_process()) {
log_msg(FATAL, "Couldn't register lispd process, exiting...");
die(EXIT_FAILURE);
}
log_msg(INFO, "Version %d.%d.%d starting up...",
MAJOR_VERSION, MINOR_VERSION, PATCH_VERSION);
/*
* now build the v4/v6 receive sockets
*/
if (build_receive_sockets() == 0) {
log_msg(FATAL, " exiting...");
die(EXIT_FAILURE);
}
if (build_event_socket() == 0)
{
log_msg(FATAL, " exiting...");
die(EXIT_FAILURE);
}
log_msg(INFO, "Built receive/event sockets");
/*
* Now do the config file
*/
if (handle_lispd_config_file()) {
log_msg(FATAL, "Fatal error parsing config file.");
dump_fatal_error();
die(EXIT_FAILURE);
}
/*
* set up syslog now, checking to see if we're daemonizing...
*/
setup_log();
log_msg(INFO, "Read config file");
if (!install_database_mappings()) {
log_msg(FATAL, " exiting...");
die(EXIT_FAILURE);
}
#ifdef DEADCODE
if (!install_map_cache_entries())
log_msg(INFO, "Could not install static map-cache entries");
#endif
if (!map_register())
log_msg(INFO, "Could not map register.");
set_timer(RLOCProbeScan, RLOC_PROBE_CHECK_INTERVAL);
clear_map_cache();
listen_on_well_known_port();
dump_info_file();
event_loop();
log_msg(INFO, "exiting..."); /* event_loop returned bad */
remove_process_lock();
exit(0);
}
/*
* Adds a job to the list of things todo. Sanitizes the various options
* to make sure we don't have conflicts, and initializes various
* members of td.
*/
static int add_job(struct thread_data *td, const char *jobname, int job_add_num)
{
const char *ddir_str[] = { NULL, "read", "write", "rw", NULL,
"randread", "randwrite", "randrw" };
unsigned int i;
char fname[PATH_MAX];
int numjobs, file_alloced;
/*
* the def_thread is just for options, it's not a real job
*/
if (td == &def_thread)
return 0;
/*
* if we are just dumping the output command line, don't add the job
*/
if (dump_cmdline) {
put_job(td);
return 0;
}
if (profile_td_init(td))
goto err;
if (ioengine_load(td))
goto err;
if (td->o.use_thread)
nr_thread++;
else
nr_process++;
if (td->o.odirect)
td->io_ops->flags |= FIO_RAWIO;
file_alloced = 0;
if (!td->o.filename && !td->files_index && !td->o.read_iolog_file) {
file_alloced = 1;
if (td->o.nr_files == 1 && exists_and_not_file(jobname))
add_file(td, jobname);
else {
for (i = 0; i < td->o.nr_files; i++) {
sprintf(fname, "%s.%d.%d", jobname,
td->thread_number, i);
add_file(td, fname);
}
}
}
if (fixup_options(td))
goto err;
flow_init_job(td);
/*
* IO engines only need this for option callbacks, and the address may
* change in subprocesses.
*/
if (td->eo)
*(struct thread_data **)td->eo = NULL;
if (td->io_ops->flags & FIO_DISKLESSIO) {
struct fio_file *f;
for_each_file(td, f, i)
f->real_file_size = -1ULL;
}
td->mutex = fio_mutex_init(0);
td->ts.clat_percentiles = td->o.clat_percentiles;
if (td->o.overwrite_plist)
memcpy(td->ts.percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list));
else
memcpy(td->ts.percentile_list, def_percentile_list, sizeof(def_percentile_list));
td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX;
td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX;
td->ts.lat_stat[0].min_val = td->ts.lat_stat[1].min_val = ULONG_MAX;
td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX;
td->ddir_seq_nr = td->o.ddir_seq_nr;
if ((td->o.stonewall || td->o.new_group) && prev_group_jobs) {
prev_group_jobs = 0;
groupid++;
}
td->groupid = groupid;
prev_group_jobs++;
if (init_random_state(td, td->rand_seeds, sizeof(td->rand_seeds))) {
td_verror(td, errno, "init_random_state");
goto err;
}
if (setup_rate(td))
goto err;
if (td->o.write_lat_log) {
setup_log(&td->lat_log, td->o.log_avg_msec);
setup_log(&td->slat_log, td->o.log_avg_msec);
setup_log(&td->clat_log, td->o.log_avg_msec);
}
if (td->o.write_bw_log)
setup_log(&td->bw_log, td->o.log_avg_msec);
if (td->o.write_iops_log)
setup_log(&td->iops_log, td->o.log_avg_msec);
if (!td->o.name)
td->o.name = strdup(jobname);
if (!terse_output) {
if (!job_add_num) {
if (!strcmp(td->io_ops->name, "cpuio")) {
log_info("%s: ioengine=cpu, cpuload=%u,"
" cpucycle=%u\n", td->o.name,
td->o.cpuload,
td->o.cpucycle);
} else {
char *c1, *c2, *c3, *c4;
c1 = to_kmg(td->o.min_bs[DDIR_READ]);
c2 = to_kmg(td->o.max_bs[DDIR_READ]);
c3 = to_kmg(td->o.min_bs[DDIR_WRITE]);
c4 = to_kmg(td->o.max_bs[DDIR_WRITE]);
log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s,"
" ioengine=%s, iodepth=%u\n",
td->o.name, td->groupid,
ddir_str[td->o.td_ddir],
c1, c2, c3, c4,
td->io_ops->name,
td->o.iodepth);
free(c1);
free(c2);
free(c3);
free(c4);
}
} else if (job_add_num == 1)
log_info("...\n");
}
/*
* recurse add identical jobs, clear numjobs and stonewall options
* as they don't apply to sub-jobs
*/
numjobs = td->o.numjobs;
while (--numjobs) {
struct thread_data *td_new = get_new_job(0, td, 1);
if (!td_new)
goto err;
td_new->o.numjobs = 1;
td_new->o.stonewall = 0;
td_new->o.new_group = 0;
if (file_alloced) {
td_new->o.filename = NULL;
td_new->files_index = 0;
td_new->files_size = 0;
td_new->files = NULL;
}
job_add_num = numjobs - 1;
if (add_job(td_new, jobname, job_add_num))
goto err;
}
return 0;
err:
put_job(td);
return -1;
}
int main()
{
pcap_if_t *alldevsp , *device;
pcap_t *handle; //Handle of the device that shall be sniffed
char* databaseName = "database.sqlite3";
char errbuf[100] , *devname , devs[100][100];
int count = 1 , n;
//First get the list of available devices
printf("Finding available devices ... ");
if( pcap_findalldevs( &alldevsp , errbuf) )
{
printf("Error finding devices : %s" , errbuf);
exit(1);
}
printf("Done");
//Print the available devices
printf("\nAvailable Devices are :\n");
for(device = alldevsp ; device != NULL ; device = device->next)
{
printf("%d. %s - %s\n" , count , device->name , device->description);
if(device->name != NULL)
{
strncpy(devs[count] , device->name, 16);
}
count++;
}
//Ask user which device to sniff
printf("Enter the number of the device you want to sniff : ");
scanf("%d" , &n);
devname = devs[n];
//Open the device for sniffing
printf("Opening device %s for sniffing ... " , devname);
handle = pcap_open_live(devname , 65536 , 1 , 0 , errbuf);
if (handle == NULL)
{
fprintf(stderr, "Couldn't open device %s : %s\n" , devname , errbuf);
exit(1);
}
printf("Done\n");
setup_log();
if(setup_database(databaseName)){
printf("Database is setup.\n");
}
else {
printf("No database file exists.\n");
}
//Put the device in sniff loop
pcap_loop(handle , -1 , process_packet , NULL);
return 0;
}
