lib/libssh2
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converted listeners to the linked list functions

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This commit is contained in:
Daniel Stenberg
2009-08-19 14:33:13 +02:00
parent 08cad8e14c
commit a871f0b214
4 changed files with 17 additions and 26 deletions
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25
src/channel.c
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@@ -92,7 +92,7 @@ LIBSSH2_CHANNEL *
_libssh2_channel_locate(LIBSSH2_SESSION *session, unsigned long channel_id) _libssh2_channel_locate(LIBSSH2_SESSION *session, unsigned long channel_id)
{ {
LIBSSH2_CHANNEL *channel; LIBSSH2_CHANNEL *channel;
LIBSSH2_LISTENER *listener; LIBSSH2_LISTENER *l;
for(channel = session->channels.head; channel; channel = channel->next) { for(channel = session->channels.head; channel; channel = channel->next) {
if (channel->local.id == channel_id) if (channel->local.id == channel_id)
@@ -101,8 +101,9 @@ _libssh2_channel_locate(LIBSSH2_SESSION *session, unsigned long channel_id)
/* We didn't find the channel in the session, let's then check its /* We didn't find the channel in the session, let's then check its
listeners... */ listeners... */
for(listener = session->listeners; listener; listener = listener->next) { for(l = _libssh2_list_first(&session->listeners); l;
for(channel = listener->queue; channel; channel = channel->next) { l = _libssh2_list_next(&l->node)) {
for(channel = l->queue; channel; channel = channel->next) {
if (channel->local.id == channel_id) if (channel->local.id == channel_id)
return channel; return channel;
} }
@@ -585,12 +586,8 @@ channel_forward_listen(LIBSSH2_SESSION * session, const char *host,
listener->queue_size = 0; listener->queue_size = 0;
listener->queue_maxsize = queue_maxsize; listener->queue_maxsize = queue_maxsize;
listener->next = session->listeners; /* append this to the parent's list of listeners */
listener->prev = NULL; _libssh2_list_add(&session->listeners, &listener->node);
if (session->listeners) {
session->listeners->prev = listener;
}
session->listeners = listener;
if (bound_port) { if (bound_port) {
*bound_port = listener->port; *bound_port = listener->port;
@@ -713,14 +710,8 @@ static int channel_forward_cancel(LIBSSH2_LISTENER *listener)
} }
LIBSSH2_FREE(session, listener->host); LIBSSH2_FREE(session, listener->host);
if (listener->next) { /* remove this entry from the parent's list of listeners */
listener->next->prev = listener->prev; _libssh2_list_remove(&listener->node);
}
if (listener->prev) {
listener->prev->next = listener->next;
} else {
session->listeners = listener->next;
}
LIBSSH2_FREE(session, listener); LIBSSH2_FREE(session, listener);

6
src/libssh2_priv.h
View File

@@ -437,6 +437,8 @@ struct _LIBSSH2_CHANNEL_BRIGADE
struct _LIBSSH2_LISTENER struct _LIBSSH2_LISTENER
{ {
struct list_node node; /* linked list header */
LIBSSH2_SESSION *session; LIBSSH2_SESSION *session;
char *host; char *host;
@@ -446,8 +448,6 @@ struct _LIBSSH2_LISTENER
int queue_size; int queue_size;
int queue_maxsize; int queue_maxsize;
LIBSSH2_LISTENER *prev, *next;
/* State variables used in libssh2_channel_forward_cancel() */ /* State variables used in libssh2_channel_forward_cancel() */
libssh2_nonblocking_states chanFwdCncl_state; libssh2_nonblocking_states chanFwdCncl_state;
unsigned char *chanFwdCncl_data; unsigned char *chanFwdCncl_data;
@@ -724,7 +724,7 @@ struct _LIBSSH2_SESSION
LIBSSH2_CHANNEL_BRIGADE channels; LIBSSH2_CHANNEL_BRIGADE channels;
unsigned long next_channel; unsigned long next_channel;
LIBSSH2_LISTENER *listeners; struct list_head listeners; /* list of LIBSSH2_LISTENER structs */
/* Actual I/O socket */ /* Actual I/O socket */
int socket_fd; int socket_fd;

4
src/packet.c
View File

@@ -78,7 +78,7 @@ packet_queue_listener(LIBSSH2_SESSION * session, unsigned char *data,
/* 17 = packet_type(1) + channel(4) + reason(4) + descr(4) + lang(4) */ /* 17 = packet_type(1) + channel(4) + reason(4) + descr(4) + lang(4) */
unsigned long packet_len = 17 + (sizeof(FwdNotReq) - 1); unsigned long packet_len = 17 + (sizeof(FwdNotReq) - 1);
unsigned char *p; unsigned char *p;
LIBSSH2_LISTENER *listen = session->listeners; LIBSSH2_LISTENER *listen = _libssh2_list_first(&session->listeners);
char failure_code = 1; /* SSH_OPEN_ADMINISTRATIVELY_PROHIBITED */ char failure_code = 1; /* SSH_OPEN_ADMINISTRATIVELY_PROHIBITED */
int rc; int rc;
@@ -238,7 +238,7 @@ packet_queue_listener(LIBSSH2_SESSION * session, unsigned char *data,
} }
} }
listen = listen->next; listen = _libssh2_list_next(&listen->node);
} }
listen_state->state = libssh2_NB_state_sent; listen_state->state = libssh2_NB_state_sent;

8
src/session.c
View File

@@ -734,12 +734,12 @@ session_free(LIBSSH2_SESSION *session)
} }
if (session->state == libssh2_NB_state_sent) { if (session->state == libssh2_NB_state_sent) {
while (session->listeners) { LIBSSH2_LISTENER *l;
rc = libssh2_channel_forward_cancel(session->listeners); while (l = _libssh2_list_first(&session->listeners)) {
if (rc == PACKET_EAGAIN) { rc = libssh2_channel_forward_cancel(l);
if (rc == PACKET_EAGAIN)
return PACKET_EAGAIN; return PACKET_EAGAIN;
} }
}
session->state = libssh2_NB_state_sent1; session->state = libssh2_NB_state_sent1;
} }