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// Copyright (C) 2008-2009 David Sugar, Tycho Softworks.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "sipwitch/sipwitch.h"
#ifndef _MSWINDOWS_
#include <signal.h>
#include <pwd.h>
#include <fcntl.h>
#endif
#include <config.h>
using namespace SIPWITCH_NAMESPACE;
using namespace UCOMMON_NAMESPACE;
static void capture(void)
{
#ifndef _MSWINDOWS_
char buffer[512];
FILE *fp;
snprintf(buffer, sizeof(buffer), "/tmp/.sipwitch.%d", getpid());
fp = fopen(buffer, "r");
remove(buffer);
while(fp && fgets(buffer, sizeof(buffer), fp) != NULL)
fputs(buffer, stdout);
if(fp)
fclose(fp);
#endif
}
static void paddress(struct sockaddr_internet *a1, struct sockaddr_internet *a2)
{
assert(a1 != NULL);
char sep = '\n';
char buf[64];
unsigned len;
unsigned p1 = 0, p2 = 0;
if(!a1)
return;
Socket::getaddress((struct sockaddr *)a1, buf, sizeof(buf));
len = strlen(buf);
switch(a1->address.sa_family) {
case AF_INET:
p1 = (unsigned)ntohs(a1->ipv4.sin_port);
break;
#ifdef AF_INET6
case AF_INET6:
p1 = (unsigned)ntohs(a1->ipv6.sin6_port);
break;
#endif
}
if(a2) {
switch(a2->address.sa_family) {
case AF_INET:
p2 = (unsigned)ntohs(a2->ipv4.sin_port);
break;
#ifdef AF_INET6
case AF_INET6:
p2 = (unsigned)ntohs(a2->ipv6.sin6_port);
break;
#endif
}
}
if(a2 && p2)
sep = ',';
if(p1)
printf("%s:%u%c", buf, p1, sep);
else
printf("none%c", sep);
if(!a2 || !p2)
return;
Socket::getaddress((struct sockaddr *)a2, buf, sizeof(buf));
printf("%s:%u\n", buf, p2);
}
static void periodic(char **argv)
{
char text[80];
if(argv[1]) {
fprintf(stderr, "*** sipwitch: pstats: no arguments used\n");
exit(-1);
}
mapped_view<stats> sta(STAT_MAP);
unsigned count = sta.getCount();
unsigned index = 0;
const volatile stats *map;
if(!count) {
fprintf(stderr, "*** sipwitch: offline\n");
exit(-1);
}
while(index < count) {
map = sta(index++);
if(!map->id[0])
continue;
if(map->limit)
snprintf(text, sizeof(text), "%-12s %05hu", map->id, map->limit);
else
snprintf(text, sizeof(text), "%-12s - ", map->id);
for(unsigned entry = 0; entry < 2; ++entry) {
size_t len = strlen(text);
snprintf(text + len, sizeof(text) - len, " %07lu %05hu %05hu",
map->data[entry].pperiod,
map->data[entry].pmin,
map->data[entry].pmax);
}
printf("%s\n", text);
}
exit(0);
}
static void dumpstats(char **argv)
{
char text[80];
time_t now;
if(argv[1]) {
fprintf(stderr, "*** sipwitch: stats: no arguments used\n");
exit(-1);
}
mapped_view<stats> sta(STAT_MAP);
unsigned count = sta.getCount();
unsigned index = 0;
const stats *map;
unsigned current;
stats buffer;
if(!count) {
fprintf(stderr, "*** sipwitch: offline\n");
exit(-1);
}
time(&now);
while(index < count) {
map = const_cast<const stats *>(sta(index++));
if(!map->id[0])
continue;
do {
memcpy(&buffer, map, sizeof(buffer));
} while(memcmp(&buffer, map, sizeof(buffer)));
map = &buffer;
if(map->limit)
snprintf(text, sizeof(text), "%-12s %05hu", map->id, map->limit);
else
snprintf(text, sizeof(text), "%-12s - ", map->id);
for(unsigned entry = 0; entry < 2; ++entry) {
size_t len = strlen(text);
snprintf(text + len, sizeof(text) - len, " %09lu %05hu %05hu",
map->data[entry].total,
map->data[entry].current,
map->data[entry].peak);
}
current = map->data[0].current + map->data[1].current;
if(current)
printf("%s 0s\n", text);
else if(!map->lastcall)
printf("%s -\n", text);
else if(now - map->lastcall > (3600l * 99l))
printf("%s %ld%c\n", text, (now - map->lastcall) / (3600l * 24l), 'd');
else if(now - map->lastcall > (60l * 120l))
printf("%s %ld%c\n", text, (now - map->lastcall) / 3600l, 'h');
else if(now - map->lastcall > 120l)
printf("%s %ld%c\n", text, (now - map->lastcall) / 60l, 'm');
else
printf("%s %ld%c\n", text, now - map->lastcall, 's');
}
exit(0);
}
static void registry(char **argv)
{
mapped_view<MappedRegistry> reg(REGISTRY_MAP);
unsigned count = reg.getCount();
unsigned found = 0, index = 0;
volatile const MappedRegistry *member;
MappedRegistry buffer;
time_t now;
char ext[8], exp[8], use[8];
const char *type;
if(argv[1]) {
fprintf(stderr, "*** sipwitch: registry: too many arguments\n");
exit(-1);
}
if(!count) {
fprintf(stderr, "*** sipwitch: offline\n");
exit(-1);
}
time(&now);
while(index < count) {
member = reg(index++);
do {
memcpy(&buffer, (const void *)member, sizeof(buffer));
} while(memcmp(&buffer, (const void *)member, sizeof(buffer)));
if(buffer.type == MappedRegistry::EXPIRED)
continue;
else if(buffer.type == MappedRegistry::TEMPORARY && !buffer.inuse)
continue;
if(!found++)
printf("%7s %-30s type %-30s use expires address\n", "ext", "user", "profile");
ext[0] = 0;
if(buffer.ext)
snprintf(ext, sizeof(ext), "%7d", buffer.ext);
exp[0] = '-';
exp[1] = 0;
snprintf(use, sizeof(use), "%u", buffer.inuse);
if(buffer.expires && buffer.type != MappedRegistry::TEMPORARY)
snprintf(exp, sizeof(exp), "%ld", buffer.expires - now);
switch(buffer.type) {
case MappedRegistry::REJECT:
type = "rej";
break;
case MappedRegistry::REFER:
type = "ref";
break;
case MappedRegistry::GATEWAY:
type = "gw";
break;
case MappedRegistry::SERVICE:
type = "peer";
break;
case MappedRegistry::TEMPORARY:
type = "temp";
break;
default:
type = "user";
};
printf("%7s %-30s %-4s %-30s %4s %7s ", ext, buffer.userid, type, buffer.profile.id, use, exp);
paddress(&buffer.contact, NULL);
fflush(stdout);
}
printf("found %d entries active of %d\n", found, count);
exit(0);
}
static void command(char **argv, unsigned timeout)
{
char buffer[512];
size_t len;
fd_t fd;
#ifdef _MSWINDOWS_
snprintf(buffer, sizeof(buffer), "\\\\.\\mailslot\\sipwitch_ctrl");
fd = CreateFile(buffer, GENERIC_WRITE, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
#else
sigset_t sigs;
int signo;
struct passwd *pwd = getpwuid(getuid());
sigemptyset(&sigs);
sigaddset(&sigs, SIGUSR1);
sigaddset(&sigs, SIGUSR2);
sigaddset(&sigs, SIGALRM);
pthread_sigmask(SIG_BLOCK, &sigs, NULL);
fd = ::open(DEFAULT_VARPATH "/run/sipwitch/control", O_WRONLY | O_NONBLOCK);
if(fd < 0) {
snprintf(buffer, sizeof(buffer), "/tmp/sipwitch-%s/control", pwd->pw_name);
fd = ::open(buffer, O_WRONLY | O_NONBLOCK);
}
#endif
if(fd == INVALID_HANDLE_VALUE) {
fprintf(stderr, "*** sipwitch: offline\n");
exit(2);
}
#ifndef _MSWINDOWS_
if(timeout)
snprintf(buffer, sizeof(buffer), "%d", getpid());
else
#endif
buffer[0] = 0;
while(*argv) {
len = strlen(buffer);
snprintf(buffer + len, sizeof(buffer) - len - 1, " %s", *(argv++));
}
#ifdef _MSWINDOWS_
if(!WriteFile(fd, buffer, (DWORD)strlen(buffer) + 1, NULL, NULL)) {
fprintf(stderr, "*** sipwitch: control failed\n");
exit(4);
}
#else
len = strlen(buffer);
buffer[len++] = '\n';
buffer[len] = 0;
if(::write(fd, buffer, len) < (int)len) {
fprintf(stderr, "*** sipwitch: control failed\n");
exit(4);
}
if(!timeout)
exit(0);
alarm(timeout);
#ifdef HAVE_SIGWAIT2
sigwait(&sigs, &signo);
#else
signo = sigwait(&sigs);
#endif
if(signo == SIGUSR1) {
capture();
exit(0);
}
if(signo == SIGALRM) {
fprintf(stderr, "*** sipwitch: timed out\n");
exit(1);
}
fprintf(stderr, "*** sipwitch: request failed\n");
exit(3);
#endif
}
static void version(void)
{
printf("SIP Witch " VERSION "\n"
"Copyright (C) 2007,2008,2009 David Sugar, Tycho Softworks\n"
"License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>\n"
"This is free software: you are free to change and redistribute it.\n"
"There is NO WARRANTY, to the extent permitted by law.\n");
exit(0);
}
static void usage(void)
{
printf("usage: sipwitch command\n"
"Commands:\n"
" abort Force daemon abort\n"
" activate <ext> <ipaddr> Assign registration\n"
" address <ipaddr> Set public ip address\n"
" check Server deadlock check\n"
" concurrency <level> Server concurrency level\n"
" down Shut down server\n"
" message <ext> <text> Send text message to extension\n"
" period <interval> Collect periodic statistics\n"
" pstats Dump periodic statistics\n"
" registry Dump registry\n"
" release <ext> Release registration\n"
" reload Reload configuration\n"
" restart Server restart\n"
" snapshot Server snapshot\n"
" stats Dump server statistics\n"
" state <selection> Change server state\n"
" verbose <level> Server verbose logging level\n"
);
printf("Report bugs to sipwitch-devel@gnu.org\n");
exit(0);
}
static void single(char **argv, int timeout)
{
if(argv[1]) {
fprintf(stderr, "*** sipwitch: %s: too many arguments\n", *argv);
exit(-1);
}
command(argv, timeout);
}
static void level(char **argv, int timeout)
{
if(!argv[1]) {
fprintf(stderr, "*** sipwitch: %s: level missing\n", *argv);
exit(-1);
}
if(argv[2]) {
fprintf(stderr, "*** sipwitch: %s: too many arguments\n", *argv);
exit(-1);
}
command(argv, timeout);
}
static void period(char **argv)
{
if(!argv[1]) {
fprintf(stderr, "*** sipwitch: period: interval missing\n");
exit(-1);
}
if(argv[2]) {
fprintf(stderr, "*** sipwitch: period: too many arguments\n");
exit(-1);
}
command(argv, 10);
}
static void address(char **argv)
{
if(!argv[1]) {
fprintf(stderr, "*** sipwitch: address: ipaddr missing\n");
exit(-1);
}
if(argv[2]) {
fprintf(stderr, "*** sipwitch: address: too many arguments\n");
exit(-1);
}
command(argv, 10);
}
static void state(char **argv)
{
if(!argv[1]) {
fprintf(stderr, "*** sipwitch: state: value missing\n");
exit(-1);
}
if(argv[2]) {
fprintf(stderr, "*** sipwitch: state: too many arguments\n");
exit(-1);
}
command(argv, 10);
}
static void release(char **argv)
{
if(!argv[1]) {
fprintf(stderr, "*** sipwitch: release: extension missing\n");
exit(-1);
}
if(argv[2]) {
fprintf(stderr, "*** sipwitch: release: too many arguments\n");
exit(-1);
}
command(argv, 10);
}
static void activate(char **argv)
{
if(!argv[1]) {
fprintf(stderr, "*** sipwitch: activate: extension missing\n");
exit(-1);
}
if(!argv[2]) {
fprintf(stderr, "*** sipwitch: activate: ipaddr missing\n");
exit(-1);
}
if(argv[3]) {
fprintf(stderr, "*** sipwitch: activate: too many arguments\n");
exit(-1);
}
command(argv, 10);
}
static void message(char **argv)
{
char buffer[500];
if(!argv[1]) {
fprintf(stderr, "*** sipwitch: message: extension missing\n");
exit(-1);
}
if(!argv[2]) {
fprintf(stderr, "*** sipwitch: message: \"text\" missing\n");
exit(-1);
}
if(argv[3]) {
fprintf(stderr, "*** sipwitch: message: too many arguments\n");
exit(-1);
}
if(argv[2][0] != '{') {
snprintf(buffer, sizeof(buffer), "{%s}", argv[2]);
argv[2] = buffer;
}
command(argv, 10);
}
extern "C" int main(int argc, char **argv)
{
if(argc < 2)
usage();
++argv;
if(String::equal(*argv, "version") || String::equal(*argv, "-version") || String::equal(*argv, "--version"))
version();
else if(String::equal(*argv, "help") || String::equal(*argv, "-help") || String::equal(*argv, "--help"))
usage();
else if(String::equal(*argv, "reload") || String::equal(*argv, "check") || String::equal(*argv, "snapshot"))
single(argv, 30);
else if(String::equal(*argv, "down") || String::equal(*argv, "restart") || String::equal(*argv, "abort"))
single(argv, 0);
else if(String::equal(*argv, "verbose") || String::equal(*argv, "concurrency"))
level(argv, 10);
else if(String::equal(*argv, "message"))
message(argv);
else if(String::equal(*argv, "registry"))
registry(argv);
else if(String::equal(*argv, "stats"))
dumpstats(argv);
else if(String::equal(*argv, "pstats"))
periodic(argv);
else if(String::equal(*argv, "address"))
address(argv);
else if(String::equal(*argv, "period"))
period(argv);
else if(String::equal(*argv, "activate"))
activate(argv);
else if(String::equal(*argv, "release"))
release(argv);
else if(String::equal(*argv, "state"))
state(argv);
if(!argv[1])
fprintf(stderr, "use: sipwitch command [arguments...]\n");
else
fprintf(stderr, "*** sipwitch: %s: unknown command or option\n", argv[0]);
exit(1);
}