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1 #ifndef SIDEBAND_H
2 #define SIDEBAND_H
3
4 enum sideband_type {
5 SIDEBAND_PROTOCOL_ERROR = -2,
6 SIDEBAND_REMOTE_ERROR = -1,
7 SIDEBAND_FLUSH = 0,
8 SIDEBAND_PRIMARY = 1
9 };
10
11 /*
12 * Inspects a multiplexed packet read from the remote. If this packet is a
13 * progress packet and thus should not be processed by the caller, returns 0.
14 * Otherwise, returns 1, releases scratch, and sets sideband_type.
15 *
16 * If this packet is SIDEBAND_PROTOCOL_ERROR, SIDEBAND_REMOTE_ERROR, or a
17 * progress packet, also prints a message to stderr.
18 *
19 * scratch must be a struct strbuf allocated by the caller. It is used to store
20 * progress messages split across multiple packets.
21 *
22 * The "status" parameter is a pkt-line response as returned by
23 * packet_read_with_status() (e.g., PACKET_READ_NORMAL).
24 */
25 int demultiplex_sideband(const char *me, int status,
26 char *buf, int len,
27 int die_on_error,
28 struct strbuf *scratch,
29 enum sideband_type *sideband_type);
30
31 void send_sideband(int fd, int band, const char *data, ssize_t sz, int packet_max);
32
33 /*
34 * Apply sideband configuration for the given URL. This should be called
35 * when a transport is created to allow URL-specific configuration of
36 * sideband behavior (e.g., sideband.<url>.allowControlCharacters).
37 */
38 void sideband_apply_url_config(const char *url);
39
40 /*
41 * Parse and set the sideband allow control characters configuration.
42 * The var parameter should be the key name (without section prefix).
43 * Returns 0 if the variable was recognized and handled, non-zero otherwise.
44 */
45 int sideband_allow_control_characters_config(const char *var, const char *value);
46
47 #endif