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Change from a per-session stack of buffers to one global stack which is

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much more convenient and also simplifies lot of code. This renders
copy-buffer useless and makes buffer-limit now a server option.

By Tiago Cunha.
This commit is contained in:
Nicholas Marriott
2010-12-30 23:16:18 +00:00
parent 2231e72968
commit cc42614fa9
22 changed files with 187 additions and 386 deletions
Download Patch File Download Diff File Expand all files Collapse all files

73
cmd-load-buffer.c
View File

@ -35,7 +35,7 @@ void cmd_load_buffer_callback(struct client *, void *);
const struct cmd_entry cmd_load_buffer_entry = {
"load-buffer", "loadb",
CMD_BUFFER_SESSION_USAGE " path",
CMD_BUFFER_USAGE " path",
CMD_ARG1, "",
cmd_buffer_init,
cmd_buffer_parse,
@ -44,26 +44,16 @@ const struct cmd_entry cmd_load_buffer_entry = {
cmd_buffer_print
};
struct cmd_load_buffer_cdata {
struct session *session;
int buffer;
};
int
cmd_load_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct cmd_buffer_data *data = self->data;
struct cmd_load_buffer_cdata *cdata;
struct session *s;
struct client *c = ctx->cmdclient;
FILE *f;
char *pdata, *new_pdata;
size_t psize;
u_int limit;
int ch;
if ((s = cmd_find_session(ctx, data->target)) == NULL)
return (-1);
struct cmd_buffer_data *data = self->data;
struct client *c = ctx->cmdclient;
FILE *f;
char *pdata, *new_pdata;
size_t psize;
u_int limit;
int ch;
if (strcmp(data->arg, "-") == 0) {
if (c == NULL) {
@ -79,11 +69,7 @@ cmd_load_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
return (-1);
}
cdata = xmalloc(sizeof *cdata);
cdata->session = s;
cdata->session->references++;
cdata->buffer = data->buffer;
c->stdin_data = cdata;
c->stdin_data = &data->buffer;
c->stdin_callback = cmd_load_buffer_callback;
c->references++;
@ -115,14 +101,13 @@ cmd_load_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
pdata[psize] = '\0';
fclose(f);
f = NULL;
limit = options_get_number(&s->options, "buffer-limit");
limit = options_get_number(&global_options, "buffer-limit");
if (data->buffer == -1) {
paste_add(&s->buffers, pdata, psize, limit);
paste_add(&global_buffers, pdata, psize, limit);
return (0);
}
if (paste_replace(&s->buffers, data->buffer, pdata, psize) != 0) {
if (paste_replace(&global_buffers, data->buffer, pdata, psize) != 0) {
ctx->error(ctx, "no buffer %d", data->buffer);
return (-1);
}
@ -140,11 +125,10 @@ error:
void
cmd_load_buffer_callback(struct client *c, void *data)
{
struct cmd_load_buffer_cdata *cdata = data;
struct session *s = cdata->session;
char *pdata;
size_t psize;
u_int limit;
char *pdata;
size_t psize;
u_int limit;
int *buffer = data;
/*
* Event callback has already checked client is not dead and reduced
@ -152,34 +136,23 @@ cmd_load_buffer_callback(struct client *c, void *data)
*/
c->flags |= CLIENT_EXIT;
/* Does the target session still exist? */
if (!session_alive(s))
goto out;
psize = EVBUFFER_LENGTH(c->stdin_event->input);
if (psize == 0)
goto out;
return;
pdata = malloc(psize + 1);
if (pdata == NULL)
goto out;
return;
bufferevent_read(c->stdin_event, pdata, psize);
pdata[psize] = '\0';
limit = options_get_number(&s->options, "buffer-limit");
if (cdata->buffer == -1) {
paste_add(&s->buffers, pdata, psize, limit);
goto out;
}
if (paste_replace(&s->buffers, cdata->buffer, pdata, psize) != 0) {
limit = options_get_number(&global_options, "buffer-limit");
if (*buffer == -1)
paste_add(&global_buffers, pdata, psize, limit);
else if (paste_replace(&global_buffers, *buffer, pdata, psize) != 0) {
/* No context so can't use server_client_msg_error. */
evbuffer_add_printf(
c->stderr_event->output, "no buffer %d\n", cdata->buffer);
c->stderr_event->output, "no buffer %d\n", *buffer);
bufferevent_enable(c->stderr_event, EV_WRITE);
goto out;
}
out:
cdata->session->references--;
xfree(cdata);
}