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Make all messages sent between the client and server fixed size.

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This is the first of two changes to make the protocol more resilient and less
sensitive to other changes in the code, particularly with commands. The client
now packs argv into a buffer and sends it to the server for parsing, rather
than doing it itself and sending the parsed command data.

As a side-effect this also removes a lot of now-unused command marshalling
code.

Mixing a server without this change and a client with or vice versa will cause
tmux to hang or crash, please ensure that tmux is entirely killed before
upgrading.
This commit is contained in:
Nicholas Marriott
2009-07-26 12:58:44 +00:00
parent 2bb89bc5bc
commit 34a82e7629
82 changed files with 253 additions and 780 deletions
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23
cmd-swap-pane.c
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@ -28,8 +28,6 @@
int cmd_swap_pane_parse(struct cmd *, int, char **, char **);
int cmd_swap_pane_exec(struct cmd *, struct cmd_ctx *);
void cmd_swap_pane_send(struct cmd *, struct buffer *);
void cmd_swap_pane_recv(struct cmd *, struct buffer *);
void cmd_swap_pane_free(struct cmd *);
void cmd_swap_pane_init(struct cmd *, int);
size_t cmd_swap_pane_print(struct cmd *, char *, size_t);
@ -50,8 +48,6 @@ const struct cmd_entry cmd_swap_pane_entry = {
cmd_swap_pane_init,
cmd_swap_pane_parse,
cmd_swap_pane_exec,
cmd_swap_pane_send,
cmd_swap_pane_recv,
cmd_swap_pane_free,
cmd_swap_pane_print
};
@ -234,25 +230,6 @@ cmd_swap_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
return (0);
}
void
cmd_swap_pane_send(struct cmd *self, struct buffer *b)
{
struct cmd_swap_pane_data *data = self->data;
buffer_write(b, data, sizeof *data);
cmd_send_string(b, data->target);
}
void
cmd_swap_pane_recv(struct cmd *self, struct buffer *b)
{
struct cmd_swap_pane_data *data;
self->data = data = xmalloc(sizeof *data);
buffer_read(b, data, sizeof *data);
data->target = cmd_recv_string(b);
}
void
cmd_swap_pane_free(struct cmd *self)
{