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#ifndef SIDEBAND_H
#define SIDEBAND_H
enum sideband_type {
SIDEBAND_PROTOCOL_ERROR = -2,
SIDEBAND_REMOTE_ERROR = -1,
SIDEBAND_FLUSH = 0,
SIDEBAND_PRIMARY = 1
};
/*
* Inspects a multiplexed packet read from the remote. If this packet is a
* progress packet and thus should not be processed by the caller, returns 0.
* Otherwise, returns 1, releases scratch, and sets sideband_type.
*
* If this packet is SIDEBAND_PROTOCOL_ERROR, SIDEBAND_REMOTE_ERROR, or a
* progress packet, also prints a message to stderr.
*
* scratch must be a struct strbuf allocated by the caller. It is used to store
* progress messages split across multiple packets.
*
* The "status" parameter is a pkt-line response as returned by
* packet_read_with_status() (e.g., PACKET_READ_NORMAL).
*/
int demultiplex_sideband(const char *me, int status,
char *buf, int len,
int die_on_error,
struct strbuf *scratch,
enum sideband_type *sideband_type);
void send_sideband(int fd, int band, const char *data, ssize_t sz, int packet_max);
/*
* Apply sideband configuration for the given URL. This should be called
* when a transport is created to allow URL-specific configuration of
* sideband behavior (e.g., sideband.<url>.allowControlCharacters).
*/
void sideband_apply_url_config(const char *url);
/*
* Parse and set the sideband allow control characters configuration.
* The var parameter should be the key name (without section prefix).
* Returns 0 if the variable was recognized and handled, non-zero otherwise.
*/
int sideband_allow_control_characters_config(const char *var, const char *value);
#endif
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