592 lines
14 KiB
C
592 lines
14 KiB
C
/*
|
|
* $Id: socket.c,v 1.1 2004/12/30 22:44:04 lordjaxom Exp $
|
|
*/
|
|
|
|
#include <tools/select.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "client/socket.h"
|
|
#include "client/setup.h"
|
|
#include "client/remote.h"
|
|
#include "common.h"
|
|
#include "i18n.h"
|
|
|
|
cClientSocket ClientSocket;
|
|
|
|
cClientSocket::cClientSocket(void) {
|
|
memset(m_DataSockets, 0, sizeof(cTBSocket*) * si_Count);
|
|
Reset();
|
|
}
|
|
|
|
cClientSocket::~cClientSocket() {
|
|
Reset();
|
|
if (IsOpen()) Quit();
|
|
}
|
|
|
|
void cClientSocket::Reset(void) {
|
|
m_StreamPIDS = false;
|
|
|
|
for (int it = 0; it < si_Count; ++it)
|
|
if (m_DataSockets[it] != NULL)
|
|
DELETENULL(m_DataSockets[it]);
|
|
}
|
|
|
|
cTBSocket *cClientSocket::DataSocket(eSocketId Id) const {
|
|
return m_DataSockets[Id];
|
|
}
|
|
|
|
bool cClientSocket::Command(const cTBString &Command, uint Expected,
|
|
uint TimeoutMs) {
|
|
cTBString pkt;
|
|
time_t st;
|
|
|
|
errno = 0;
|
|
|
|
pkt = Command + "\015\012";
|
|
Dprintf("OUT: |%s|\n", (const char*)Command);
|
|
|
|
st = time_ms();
|
|
if (!TimedWrite((const char*)pkt, pkt.Length(), TimeoutMs)) {
|
|
esyslog("Streamdev: Lost connection to %s:%d: %s",
|
|
(const char*)RemoteIp(), RemotePort(), strerror(errno));
|
|
Close();
|
|
return false;
|
|
}
|
|
|
|
if (Expected != 0) {
|
|
TimeoutMs -= time_ms() - st;
|
|
return Expect(Expected, NULL, TimeoutMs);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool cClientSocket::Expect(uint Expected, cTBString *Result, uint TimeoutMs) {
|
|
char *buffer;
|
|
char *endptr;
|
|
int bufcount;
|
|
bool res;
|
|
|
|
errno = 0;
|
|
|
|
buffer = new char[BUFSIZ + 1];
|
|
|
|
if ((bufcount = ReadUntil(buffer, BUFSIZ, "\012", TimeoutMs))
|
|
== -1) {
|
|
esyslog("Streamdev: Lost connection to %s:%d: %s",
|
|
(const char*)RemoteIp(), RemotePort(), strerror(errno));
|
|
Close();
|
|
delete[] buffer;
|
|
return false;
|
|
}
|
|
if (buffer[bufcount - 1] == '\015')
|
|
--bufcount;
|
|
buffer[bufcount] = '\0';
|
|
Dprintf("IN: |%s|\n", buffer);
|
|
|
|
if (Result != NULL)
|
|
*Result = buffer;
|
|
|
|
res = strtoul(buffer, &endptr, 10) == Expected;
|
|
delete[] buffer;
|
|
return res;
|
|
}
|
|
|
|
bool cClientSocket::CheckConnection(void) {
|
|
CMD_LOCK;
|
|
|
|
if (IsOpen()) {
|
|
cTBSelect select;
|
|
|
|
Dprintf("connection open\n");
|
|
|
|
// XXX+ check if connection is still alive (is there a better way?)
|
|
// There REALLY shouldn't be anything readable according to PROTOCOL here
|
|
// If there is, assume it's an eof signal (subseq. read would return 0)
|
|
select.Add(*this, false);
|
|
int res;
|
|
if ((res = select.Select(0)) == 0) {
|
|
Dprintf("select said nothing happened\n");
|
|
return true;
|
|
}
|
|
Dprintf("closing connection (res was %d)", res);
|
|
Close();
|
|
}
|
|
|
|
if (!Connect(StreamdevClientSetup.RemoteIp, StreamdevClientSetup.RemotePort)){
|
|
esyslog("ERROR: Streamdev: Couldn't connect to %s:%d: %s",
|
|
(const char*)StreamdevClientSetup.RemoteIp,
|
|
StreamdevClientSetup.RemotePort, strerror(errno));
|
|
return false;
|
|
}
|
|
|
|
if (!Expect(220)) {
|
|
if (errno == 0)
|
|
esyslog("ERROR: Streamdev: Didn't receive greeting from %s:%d",
|
|
(const char*)RemoteIp(), RemotePort());
|
|
Close();
|
|
return false;
|
|
}
|
|
|
|
if (!Command((cTBString)"CAPS TS", 220)) {
|
|
if (errno == 0)
|
|
esyslog("ERROR: Streamdev: Couldn't negotiate capabilities on %s:%d",
|
|
(const char*)RemoteIp(), RemotePort());
|
|
Close();
|
|
return false;
|
|
}
|
|
|
|
if (StreamdevClientSetup.StreamPIDS) {
|
|
if (!Command("CAPS TSPIDS", 220)) {
|
|
if (errno != 0) {
|
|
Close();
|
|
return false;
|
|
}
|
|
|
|
esyslog("ERROR: Streamdev: Server %s:%d isn't capable of PID streaming",
|
|
(const char*)RemoteIp(), RemotePort());
|
|
} else
|
|
m_StreamPIDS = true;
|
|
}
|
|
|
|
isyslog("Streamdev: Connected to server %s:%d using capabilities TS%s",
|
|
(const char*)RemoteIp(), RemotePort(), m_StreamPIDS ? ", TSPIDS" : "");
|
|
return true;
|
|
}
|
|
|
|
bool cClientSocket::ProvidesChannel(const cChannel *Channel, int Priority) {
|
|
cTBString buffer;
|
|
|
|
if (!CheckConnection()) return false;
|
|
|
|
CMD_LOCK;
|
|
|
|
if (!Command("PROV " + cTBString::Number(Priority) + " "
|
|
+ Channel->GetChannelID().ToString()))
|
|
return false;
|
|
|
|
if (!Expect(220, &buffer)) {
|
|
if (buffer.Left(3) != "560" && errno == 0)
|
|
esyslog("ERROR: Streamdev: Couldn't check if %s:%d provides channel %s",
|
|
(const char*)RemoteIp(), RemotePort(), Channel->Name());
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool cClientSocket::CreateDataConnection(eSocketId Id) {
|
|
int idx;
|
|
cTBSocket listen(SOCK_STREAM);
|
|
cTBString buffer;
|
|
|
|
if (!CheckConnection()) return false;
|
|
|
|
if (m_DataSockets[Id] != NULL)
|
|
DELETENULL(m_DataSockets[Id]);
|
|
|
|
if (!listen.Listen((const char*)LocalIp(), 0, 1)) {
|
|
esyslog("ERROR: Streamdev: Couldn't create data connection: %s",
|
|
strerror(errno));
|
|
return false;
|
|
}
|
|
|
|
buffer.Format("PORT %d %s,%d,%d", Id, (const char*)LocalIp(),
|
|
(listen.LocalPort() >> 8) & 0xff, listen.LocalPort() & 0xff);
|
|
idx = 5;
|
|
while ((idx = buffer.Find('.', idx + 1)) != -1)
|
|
buffer[idx] = ',';
|
|
|
|
CMD_LOCK;
|
|
|
|
if (!Command(buffer, 220)) {
|
|
Dprintf("error: %m\n");
|
|
if (errno == 0)
|
|
esyslog("ERROR: Streamdev: Couldn't establish data connection to %s:%d",
|
|
(const char*)RemoteIp(), RemotePort());
|
|
return false;
|
|
}
|
|
|
|
/* The server SHOULD do the following:
|
|
* - get PORT command
|
|
* - connect to socket
|
|
* - return 220
|
|
*/
|
|
|
|
m_DataSockets[Id] = new cTBSocket;
|
|
if (!m_DataSockets[Id]->Accept(listen)) {
|
|
esyslog("ERROR: Streamdev: Couldn't establish data connection to %s:%d%s%s",
|
|
(const char*)RemoteIp(), RemotePort(), errno == 0 ? "" : ": ",
|
|
errno == 0 ? "" : strerror(errno));
|
|
DELETENULL(m_DataSockets[Id]);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool cClientSocket::SetChannelDevice(const cChannel *Channel) {
|
|
if (!CheckConnection()) return false;
|
|
|
|
CMD_LOCK;
|
|
|
|
if (!Command((cTBString)"TUNE " + Channel->GetChannelID().ToString(), 220)) {
|
|
if (errno == 0)
|
|
esyslog("ERROR: Streamdev: Couldn't tune %s:%d to channel %s",
|
|
(const char*)RemoteIp(), RemotePort(), Channel->Name());
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool cClientSocket::SetPid(int Pid, bool On) {
|
|
if (!CheckConnection()) return false;
|
|
|
|
if (m_StreamPIDS) {
|
|
Dprintf("m_StreamPIDS is ON\n");
|
|
CMD_LOCK;
|
|
|
|
if (!Command((On ? "ADDP " : "DELP ") + cTBString::Number(Pid), 220)) {
|
|
if (errno == 0)
|
|
esyslog("Streamdev: Pid %d not available from %s:%d", Pid,
|
|
(const char*)LocalIp(), LocalPort());
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
#if VDRVERSNUM >= 10300
|
|
bool cClientSocket::SetFilter(ushort Pid, uchar Tid, uchar Mask, bool On) {
|
|
cTBString cmd;
|
|
if (!CheckConnection()) return false;
|
|
|
|
CMD_LOCK;
|
|
cmd.Format("%s %hu %hhu %hhu", On ? "ADDF" : "DELF", Pid, Tid, Mask);
|
|
if (!Command(cmd, 220)) {
|
|
if (errno == 0)
|
|
esyslog("Streamdev: Filter %hu, %hhu, %hhu not available from %s:%d",
|
|
Pid, Tid, Mask, (const char*)LocalIp(), LocalPort());
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
#endif
|
|
|
|
bool cClientSocket::CloseDvr(void) {
|
|
if (!CheckConnection()) return false;
|
|
|
|
CMD_LOCK;
|
|
|
|
if (m_DataSockets[siLive] != NULL) {
|
|
if (!Command("ABRT " + cTBString::Number(siLive), 220)) {
|
|
if (errno == 0)
|
|
esyslog("ERROR: Streamdev: Couldn't cleanly close data connection");
|
|
return false;
|
|
}
|
|
|
|
DELETENULL(m_DataSockets[siLive]);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool cClientSocket::SynchronizeEPG(void) {
|
|
cTBString buffer;
|
|
bool res;
|
|
FILE *epgfd;
|
|
|
|
if (!CheckConnection()) return false;
|
|
|
|
isyslog("Streamdev: Synchronizing EPG from server\n");
|
|
|
|
CMD_LOCK;
|
|
|
|
if (!Command("LSTE"))
|
|
return false;
|
|
|
|
if ((epgfd = tmpfile()) == NULL) {
|
|
esyslog("ERROR: Streamdev: Error while processing EPG data: %s",
|
|
strerror(errno));
|
|
return false;
|
|
}
|
|
|
|
while ((res = Expect(215, &buffer))) {
|
|
if (buffer[3] == ' ') break;
|
|
fputs((const char*)buffer + 4, epgfd);
|
|
fputc('\n', epgfd);
|
|
}
|
|
|
|
if (!res) {
|
|
if (errno == 0)
|
|
esyslog("ERROR: Streamdev: Couldn't fetch EPG data from %s:%d",
|
|
(const char*)RemoteIp(), RemotePort());
|
|
fclose(epgfd);
|
|
return false;
|
|
}
|
|
|
|
rewind(epgfd);
|
|
if (cSchedules::Read(epgfd))
|
|
#if VDRVERSNUM < 10300
|
|
cSIProcessor::TriggerDump();
|
|
#else
|
|
cSchedules::Cleanup(true);
|
|
#endif
|
|
else {
|
|
esyslog("ERROR: Streamdev: Parsing EPG data failed");
|
|
fclose(epgfd);
|
|
return false;
|
|
}
|
|
fclose(epgfd);
|
|
return true;
|
|
}
|
|
|
|
bool cClientSocket::Quit(void) {
|
|
bool res;
|
|
|
|
if (!CheckConnection()) return false;
|
|
|
|
if (!(res = Command("QUIT", 221))) {
|
|
if (errno == 0)
|
|
esyslog("ERROR: Streamdev: Couldn't quit command connection to %s:%d",
|
|
(const char*)RemoteIp(), RemotePort());
|
|
}
|
|
Close();
|
|
return res;
|
|
}
|
|
|
|
bool cClientSocket::LoadRecordings(cRemoteRecordings &Recordings) {
|
|
cTBString buffer;
|
|
bool res;
|
|
|
|
if (!CheckConnection()) return false;
|
|
|
|
CMD_LOCK;
|
|
|
|
if (!Command("LSTR"))
|
|
return false;
|
|
|
|
while ((res = Expect(250, &buffer))) {
|
|
cRemoteRecording *rec = new cRemoteRecording((const char*)buffer + 4);
|
|
Dprintf("recording valid: %d\n", rec->IsValid());
|
|
if (rec->IsValid())
|
|
Recordings.Add(rec);
|
|
else
|
|
delete rec;
|
|
if (buffer[3] == ' ') break;
|
|
}
|
|
|
|
if (!res && buffer.Left(3) != "550") {
|
|
if (errno == 0)
|
|
esyslog("ERROR: Streamdev: Couldn't fetch recordings from %s:%d",
|
|
(const char*)RemoteIp(), RemotePort());
|
|
return false;
|
|
}
|
|
|
|
for (cRemoteRecording *r = Recordings.First(); r; r = Recordings.Next(r)) {
|
|
if (!Command("LSTR " + cTBString::Number(r->Index())))
|
|
return false;
|
|
|
|
if (Expect(250, &buffer))
|
|
r->ParseInfo((const char*)buffer + 4);
|
|
else if (buffer.Left(3) != "550") {
|
|
if (errno == 0)
|
|
esyslog("ERROR: Streamdev: Couldn't fetch details for recording from "
|
|
"%s:%d", (const char*)RemoteIp(), RemotePort());
|
|
return false;
|
|
}
|
|
Dprintf("recording complete: %d\n", r->Index());
|
|
}
|
|
return res;
|
|
}
|
|
|
|
bool cClientSocket::StartReplay(const char *Filename) {
|
|
if (!CheckConnection()) return false;
|
|
|
|
CMD_LOCK;
|
|
|
|
if (!Command((cTBString)"PLAY " + Filename, 220)) {
|
|
if (errno == 0)
|
|
esyslog("ERROR: Streamdev: Couldn't replay \"%s\" from %s:%d",
|
|
Filename, (const char*)RemoteIp(), RemotePort());
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool cClientSocket::AbortReplay(void) {
|
|
if (!CheckConnection()) return false;
|
|
|
|
CMD_LOCK;
|
|
|
|
if (m_DataSockets[siReplay] != NULL) {
|
|
if (!Command("ABRT " + cTBString::Number(siReplay), 220)) {
|
|
if (errno == 0)
|
|
esyslog("ERROR: Streamdev: Couldn't cleanly close data connection");
|
|
return false;
|
|
}
|
|
|
|
DELETENULL(m_DataSockets[siReplay]);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool cClientSocket::DeleteRecording(cRemoteRecording *Recording) {
|
|
bool res;
|
|
cTBString buffer;
|
|
cRemoteRecording *rec = NULL;
|
|
|
|
if (!CheckConnection())
|
|
return false;
|
|
|
|
CMD_LOCK;
|
|
|
|
if (!Command("LSTR"))
|
|
return false;
|
|
|
|
while ((res = Expect(250, &buffer))) {
|
|
if (rec == NULL) {
|
|
rec = new cRemoteRecording((const char*)buffer + 4);
|
|
if (!rec->IsValid() || rec->Index() != Recording->Index())
|
|
DELETENULL(rec);
|
|
}
|
|
if (buffer[3] == ' ') break;
|
|
}
|
|
|
|
if (!res && buffer.Left(3) != "550") {
|
|
if (errno == 0)
|
|
esyslog("ERROR: Streamdev: Couldn't fetch recordings from %s:%d",
|
|
(const char*)RemoteIp(), RemotePort());
|
|
if (rec != NULL) delete rec;
|
|
return false;
|
|
}
|
|
|
|
if (rec == NULL || *rec != *Recording) {
|
|
ERROR(tr("Recordings not in sync! Try again..."));
|
|
return false;
|
|
}
|
|
|
|
if (!Command("DELR " + cTBString::Number(Recording->Index()), 250)) {
|
|
ERROR(tr("Couldn't delete recording! Try again..."));
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool cClientSocket::SuspendServer(void) {
|
|
if (!CheckConnection()) return false;
|
|
|
|
CMD_LOCK;
|
|
|
|
if (!Command("SUSP", 220)) {
|
|
if (errno == 0)
|
|
esyslog("ERROR: Streamdev: Couldn't suspend server");
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool cClientSocket::LoadTimers(cRemoteTimers &Timers) {
|
|
cTBString buffer;
|
|
bool res;
|
|
|
|
if (!CheckConnection()) return false;
|
|
|
|
CMD_LOCK;
|
|
|
|
if (!Command("LSTT"))
|
|
return false;
|
|
|
|
while ((res = Expect(250, &buffer))) {
|
|
cRemoteTimer *timer = new cRemoteTimer((const char*)buffer + 4);
|
|
Dprintf("timer valid: %d\n", timer->IsValid());
|
|
if (timer->IsValid())
|
|
Timers.Add(timer);
|
|
if (buffer[3] == ' ') break;
|
|
}
|
|
|
|
if (!res && buffer.Left(3) != "550") {
|
|
if (errno == 0)
|
|
esyslog("ERROR: Streamdev: Couldn't fetch recordings from %s:%d",
|
|
(const char*)RemoteIp(), RemotePort());
|
|
return false;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
bool cClientSocket::SaveTimer(cRemoteTimer *Old, cRemoteTimer &New) {
|
|
cTBString buffer;
|
|
|
|
if (!CheckConnection()) return false;
|
|
|
|
CMD_LOCK;
|
|
|
|
if (New.Index() == -1) { // New timer
|
|
if (!Command((cTBString)"NEWT " + New.ToText(), 250)) {
|
|
ERROR(tr("Couldn't save timer! Try again..."));
|
|
return false;
|
|
}
|
|
} else { // Modified timer
|
|
if (!Command("LSTT " + cTBString::Number(New.Index())))
|
|
return false;
|
|
|
|
if (!Expect(250, &buffer)) {
|
|
if (errno == 0)
|
|
ERROR(tr("Timers not in sync! Try again..."));
|
|
else
|
|
ERROR(tr("Server error! Try again..."));
|
|
return false;
|
|
}
|
|
|
|
cRemoteTimer oldstate((const char*)buffer + 4);
|
|
if (oldstate != *Old) {
|
|
/*Dprintf("old timer: %d,%d,%d,%d,%d,%d,%s,%d,%s,%d\n", oldstate.m_Index,
|
|
oldstate.m_Active,oldstate.m_Day,oldstate.m_Start,oldstate.m_StartTime,oldstate.m_Priority,oldstate.m_File,oldstate.m_FirstDay,(const char*)oldstate.m_Summary,oldstate.m_Channel->Number());
|
|
Dprintf("new timer: %d,%d,%d,%d,%d,%d,%s,%d,%s,%d\n", Old->m_Index,
|
|
Old->m_Active,Old->m_Day,Old->m_Start,Old->m_StartTime,Old->m_Priority,Old->m_File,Old->m_FirstDay,(const char*)Old->m_Summary,Old->m_Channel->Number());*/
|
|
ERROR(tr("Timers not in sync! Try again..."));
|
|
return false;
|
|
}
|
|
|
|
if (!Command("MODT " + cTBString::Number(New.Index()) + " "
|
|
+ New.ToText(), 250)) {
|
|
ERROR(tr("Couldn't save timer! Try again..."));
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool cClientSocket::DeleteTimer(cRemoteTimer *Timer) {
|
|
cTBString buffer;
|
|
|
|
if (!CheckConnection())
|
|
return false;
|
|
|
|
CMD_LOCK;
|
|
|
|
if (!Command("LSTT " + cTBString::Number(Timer->Index())))
|
|
return false;
|
|
|
|
if (!Expect(250, &buffer)) {
|
|
if (errno == 0)
|
|
ERROR(tr("Timers not in sync! Try again..."));
|
|
else
|
|
ERROR(tr("Server error! Try again..."));
|
|
return false;
|
|
}
|
|
|
|
cRemoteTimer oldstate((const char*)buffer + 4);
|
|
|
|
if (oldstate != *Timer) {
|
|
ERROR(tr("Timers not in sync! Try again..."));
|
|
return false;
|
|
}
|
|
|
|
if (!Command("DELT " + cTBString::Number(Timer->Index()), 250)) {
|
|
ERROR(tr("Couldn't delete timer! Try again..."));
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|