sideband.h

   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 int demultiplex_sideband(const char *me, char *buf, int len,
  23                          struct strbuf *scratch,
  24                          enum sideband_type *sideband_type);
  25
  26 void send_sideband(int fd, int band, const char *data, ssize_t sz, int packet_max);
  27
  28 #endif