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Nasty.

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--HG--
extra : convert_revision : e1229cd01c3007206d2937ea390ad4966c289a5a
This commit is contained in:
Matt Johnston
2004-08-24 18:12:18 +00:00
parent 857dfdeb9e
commit 2dcd6b22d9
11 changed files with 191 additions and 78 deletions
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24
channel.h
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@@ -27,6 +27,7 @@
#include "includes.h"
#include "buffer.h"
#include "circbuffer.h"
/* channel->type values */
#define CHANNEL_ID_NONE 0
@@ -50,6 +51,8 @@
#define CHAN_EXTEND_SIZE 3 /* how many extra slots to add when we need more */
#define RECV_MAXWINDOW 6000 /* tweak */
#define RECV_WINDOWEXTEND (RECV_MAXWINDOW/2) /* We send a "window extend" every
RECV_WINDOWEXTEND bytes */
#define RECV_MAXPACKET 1400 /* tweak */
#define RECV_MINWINDOW 19000 /* when we get below this, we send a windowadjust */
@@ -62,13 +65,13 @@ struct Channel {
unsigned int recvwindow, transwindow;
unsigned int recvmaxpacket, transmaxpacket;
void* typedata; /* a pointer to type specific data */
int infd; /* stdin for the program, we write to this */
int outfd; /* stdout for the program, we read from this */
int errfd; /* stdout for a program. This doesn't really fit here,
but makes the code a lot tidyer without being too bad. This
is -1 for channels which don't requre it. Currently only
a 'session' without a pty will use it */
buffer *writebuf; /* data for the program */
int infd; /* data to send over the wire */
int outfd; /* data for consumption, what was in writebuf */
int errfd; /* used like infd or errfd, depending if it's client or server.
Doesn't exactly belong here, but is cleaner here */
circbuffer *writebuf; /* data from the wire, for local consumption */
circbuffer *extrabuf; /* extended-data for the program - used like writebuf
but for stderr */
int sentclosed, recvclosed;
@@ -97,6 +100,7 @@ void chaninitialise();
void chancleanup();
void setchannelfds(fd_set *readfd, fd_set *writefd);
void channelio(fd_set *readfd, fd_set *writefd);
struct Channel* getchannel(unsigned int chan);
struct Channel* newchannel(unsigned int remotechan,
const struct ChanType *type,
unsigned int transwindow, unsigned int transmaxpacket);
@@ -106,10 +110,16 @@ void recv_msg_channel_request();
void send_msg_channel_failure(struct Channel *channel);
void send_msg_channel_success(struct Channel *channel);
void recv_msg_channel_data();
void recv_msg_channel_extended_data();
void recv_msg_channel_window_adjust();
void recv_msg_channel_close();
void recv_msg_channel_eof();
void common_recv_msg_channel_data(struct Channel *channel, int fd,
circbuffer * buf);
const struct ChanType clichansess;
#ifdef USING_LISTENERS
int send_msg_channel_open_init(int fd, const struct ChanType *type);
void recv_msg_channel_open_confirmation();