mirror of
https://github.com/fish-shell/fish-shell
synced 2024-12-25 12:23:09 +00:00
151 lines
2.8 KiB
C
151 lines
2.8 KiB
C
#ifndef FISH_ENV_UNIVERSAL_COMMON_H
|
|
#define FISH_ENV_UNIVERSAL_COMMON_H
|
|
|
|
#include <wchar.h>
|
|
|
|
#include "util.h"
|
|
|
|
/**
|
|
The set command
|
|
*/
|
|
#define SET_STR L"SET"
|
|
|
|
/**
|
|
The set_export command
|
|
*/
|
|
#define SET_EXPORT_STR L"SET_EXPORT"
|
|
|
|
/**
|
|
The erase command
|
|
*/
|
|
#define ERASE_STR L"ERASE"
|
|
|
|
/**
|
|
The barrier command
|
|
*/
|
|
#define BARRIER_STR L"BARRIER"
|
|
|
|
/**
|
|
The barrier_reply command
|
|
*/
|
|
#define BARRIER_REPLY_STR L"BARRIER_REPLY"
|
|
|
|
|
|
/**
|
|
The filename to use for univeral variables. The username is appended
|
|
*/
|
|
#define SOCK_FILENAME "fishd.socket."
|
|
|
|
/**
|
|
The different types of commands that can be sent between client/server
|
|
*/
|
|
enum
|
|
{
|
|
SET,
|
|
SET_EXPORT,
|
|
ERASE,
|
|
BARRIER,
|
|
BARRIER_REPLY,
|
|
}
|
|
;
|
|
|
|
/**
|
|
This struct represents a connection between a universal variable server/client
|
|
*/
|
|
typedef struct connection
|
|
{
|
|
/**
|
|
The file descriptor this socket lives on
|
|
*/
|
|
int fd;
|
|
/**
|
|
Queue of onsent messages
|
|
*/
|
|
dyn_queue_t unsent;
|
|
/**
|
|
Set to one when this connection should be killed
|
|
*/
|
|
int killme;
|
|
/**
|
|
The state used for character conversions
|
|
*/
|
|
mbstate_t wstate;
|
|
/**
|
|
The input string. Input from the socket goes here. When a
|
|
newline is encountered, the buffer is parsed and cleared.
|
|
*/
|
|
string_buffer_t input;
|
|
|
|
/**
|
|
Link to the next connection
|
|
*/
|
|
struct connection *next;
|
|
}
|
|
connection_t;
|
|
|
|
/**
|
|
A struct representing a message to be sent between client and server
|
|
*/
|
|
typedef struct
|
|
{
|
|
/**
|
|
Number of queues that contain this message. Once this reaches zero, the message should be deleted
|
|
*/
|
|
int count;
|
|
/**
|
|
Message body. The message must be allocated using enough memory to actually contain the message.
|
|
*/
|
|
char body[0];
|
|
}
|
|
message_t;
|
|
|
|
/**
|
|
Read all available messages on this connection
|
|
*/
|
|
void read_message( connection_t * );
|
|
|
|
/**
|
|
Send as many messages as possible without blocking to the connection
|
|
*/
|
|
void try_send_all( connection_t *c );
|
|
|
|
/**
|
|
Create a messge with the specified properties
|
|
*/
|
|
message_t *create_message( int type, const wchar_t *key, const wchar_t *val );
|
|
|
|
/**
|
|
Init the library
|
|
*/
|
|
void env_universal_common_init(void (*cb)(int type, const wchar_t *key, const wchar_t *val ) );
|
|
|
|
/**
|
|
Destroy library data
|
|
*/
|
|
void env_universal_common_destroy();
|
|
|
|
/**
|
|
Add all variable names to the specified list
|
|
*/
|
|
void env_universal_common_get_names( array_list_t *l,
|
|
int show_exported,
|
|
int show_unexported );
|
|
|
|
/**
|
|
Get the value of the variable with the specified name
|
|
*/
|
|
wchar_t *env_universal_common_get( const wchar_t *name );
|
|
|
|
/**
|
|
Get the export flag of the variable with the specified
|
|
name. Returns 0 if the variable doesn't exist.
|
|
*/
|
|
int env_universal_common_get_export( const wchar_t *name );
|
|
|
|
/**
|
|
Add messages about all existing variables to the specified connection
|
|
*/
|
|
void enqueue_all( connection_t *c );
|
|
|
|
|
|
#endif
|