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/*
* Copyright (c) 1995-2024 Paul Mattes.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the names of Paul Mattes nor the names of his contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY PAUL MATTES "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL PAUL MATTES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* task.h
* Global declarations for task.c.
*/
/* macro definition */
struct macro_def {
char *name;
char **parents;
char *action;
struct macro_def *next;
};
extern struct macro_def *macro_defs;
typedef void *task_cbh;
void abort_script(void);
void abort_script_by_cb(const char *cb_name);
void abort_queue(const char *unique_name);
void macro_command(struct macro_def *m);
void peer_script_init(void);
void connect_error(const char *fmt, ...) printflike(1, 2);
void connect_errno(int e, const char *fmt, ...) printflike(2, 3);
void macros_init(void);
void ps_set(char *s, bool is_hex, bool force_utf8);
void push_keymap_action(char *);
void push_keypad_action(char *);
void push_macro(char *);
void push_stack_macro(char *);
bool task_active(void);
bool task_can_kbwait(void);
void task_connect_wait(void);
bool run_tasks(void);
void task_error(const char *msg);
void task_host_output(void);
void task_info(const char *fmt, ...) printflike(1, 2);
bool task_ifield_can_proceed(void);
void task_ft_complete(const char *msg, bool is_error);
void task_kbwait(void);
void task_passthru_done(const char *tag, bool success, const char *result);
bool task_redirect(void);
const char *task_set_passthru(task_cbh **ret_cbh);
void task_store(unsigned char c);
void task_abort_input_request_irhandle(void *irhandle);
void task_abort_input_request(void);
bool task_is_interactive(void);
bool task_nonblocking_connect(void);
/* Input request vectors. */
typedef void (*ir_state_abort_cb)(void *state);
typedef void (*task_setir_cb)(task_cbh handle, void *irhandle);
typedef void *(*task_getir_cb)(task_cbh handle);
typedef void (*task_setir_state_cb)(task_cbh handle, const char *name,
void *state, ir_state_abort_cb abort_cb);
typedef void *(*task_getir_state_cb)(task_cbh handle, const char *name);
typedef struct {
task_setir_cb setir;
task_getir_cb getir;
task_setir_state_cb setir_state;
task_getir_state_cb getir_state;
} irv_t;
typedef void (*task_data_cb)(task_cbh handle, const char *buf, size_t len,
bool success);
typedef bool (*task_done_cb)(task_cbh handle, bool success, bool abort);
typedef bool (*task_run_cb)(task_cbh handle, bool *success);
typedef void (*task_closescript_cb)(task_cbh handle);
typedef void (*task_setflags_cb)(task_cbh handle, unsigned flags);
typedef unsigned (*task_getflags_cb)(task_cbh handle);
typedef bool (*task_need_delay_cb)(task_cbh handle);
typedef const char *(*task_command_cb)(task_cbh handle);
typedef void (*task_reqinput_cb)(task_cbh handle, const char *buf, size_t len,
bool echo);
typedef struct {
const char *shortname;
enum iaction ia;
unsigned flags;
task_data_cb data;
task_done_cb done;
task_run_cb run;
task_closescript_cb closescript;
task_setflags_cb setflags;
task_getflags_cb getflags;
irv_t *irv;
task_command_cb command;
task_reqinput_cb reqinput;
} tcb_t;
#define CB_UI 0x1 /* came from the UI */
#define CB_NEEDS_RUN 0x2 /* needs its run method called */
#define CB_NEW_TASKQ 0x4 /* creates a new task queue */
#define CB_PEER 0x8 /* peer script (don't abort) */
#define CBF_INTERACTIVE 0x1 /* settable: interactive (e.g., c3270 prompt) */
#define CBF_CONNECT_FT_NONBLOCK 0x2 /* do not block Connect()/Open()/Transfer() */
#define CBF_PWINPUT 0x4 /* can do password (no echo) input */
char *push_cb(const char *buf, size_t len, const tcb_t *cb,
task_cbh handle);
struct cmd {
const char *action; /* action to execute */
const char **args; /* arguments */
};
char *push_cb_split(cmd_t **cmds, const tcb_t *cb, task_cbh handle);
void task_activate(task_cbh handle);
void task_register(void);
char *task_cb_prompt(task_cbh handle);
unsigned long task_cb_msec(task_cbh handle);
typedef bool continue_fn(void *, const char *);
typedef void abort_fn(void *);
bool task_request_input(const char *action, const char *prompt,
continue_fn *continue_fn, abort_fn *abort_fn, void *handle,
bool no_echo);
bool task_can_request_input(const char *action, bool no_echo);
typedef llist_t task_cb_ir_state_t;
void task_cb_init_ir_state(task_cb_ir_state_t *ir_state);
void task_cb_set_ir_state(task_cb_ir_state_t *ir_state, const char *name,
void *state, ir_state_abort_cb abort);
void *task_cb_get_ir_state(task_cb_ir_state_t *ir_state, const char *name);
void task_cb_abort_ir_state(task_cb_ir_state_t *ir_state);
void task_set_ir_state(const char *name, void *state, ir_state_abort_cb abort);
void *task_get_ir_state(const char *name);
void task_resume_xwait(void *context, bool cancel, const char *why);
typedef void xcontinue_fn(void *context, bool cancel);
void task_xwait(void *context, xcontinue_fn *continue_fn, const char *why);
char *task_get_tasks(void);
bool validate_command(const char *command, int offset, char **error);
bool task_running_cb_contains(tcb_t *cb);
char *task_status_string(void);
bool task_kbwait_state(void);
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