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ircd: Remove msgbuf.

This commit is contained in:
Jason Volk 2016-09-11 20:56:06 -07:00
parent 6252d6f11e
commit d098a524e1
3 changed files with 0 additions and 341 deletions

View file

@ -1,102 +0,0 @@
/*
* charybdis - an advanced ircd.
* Copyright (c) 2016 William Pitcock <nenolod@dereferenced.org>.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice is present in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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.
*/
#pragma once
#define HAVE_IRCD_MSGBUF_H
#define MAXPARA (15)
#ifdef __cplusplus
namespace ircd {
/* a key-value structure for each message tag. */
struct MsgTag {
const char *key; /* the key of the tag (must be set) */
const char *value; /* the value of the tag or NULL */
unsigned int capmask; /* the capability mask this tag belongs to (used only when sending) */
};
struct MsgBuf {
size_t n_tags; /* the number of tags in the MsgBuf */
struct MsgTag tags[MAXPARA]; /* the tags themselves, upto MAXPARA tags available */
const char *origin; /* the origin of the message (or NULL) */
const char *target; /* the target of the message (either NULL, or custom defined) */
const char *cmd; /* the cmd/verb of the message (either NULL, or para[0]) */
size_t parselen; /* the length of the message */
size_t n_para; /* the number of parameters (always at least 1 if a full message) */
const char *para[MAXPARA]; /* parameters vector (starting with cmd as para[0]) */
};
/*
* parse a message into a MsgBuf.
* returns 0 on success, 1 on error.
*/
int msgbuf_parse(struct MsgBuf *msgbuf, char *line);
/*
* unparse a pure MsgBuf into a buffer.
* if origin is NULL, me.name will be used.
* cmd may not be NULL.
* returns 0 on success, 1 on error.
*/
int msgbuf_unparse(char *buf, size_t buflen, struct MsgBuf *msgbuf, unsigned int capmask);
/*
* unparse a MsgBuf header plus payload into a buffer.
* if origin is NULL, me.name will be used.
* cmd may not be NULL.
* returns 0 on success, 1 on error.
*/
int msgbuf_unparse_fmt(char *buf, size_t buflen, struct MsgBuf *head, unsigned int capmask, const char *fmt, ...) AFP(5, 6);
int msgbuf_vunparse_fmt(char *buf, size_t buflen, struct MsgBuf *head, unsigned int capmask, const char *fmt, va_list va);
void msgbuf_unparse_prefix(char *buf, size_t buflen, struct MsgBuf *msgbuf, unsigned int capmask);
static inline void
msgbuf_init(struct MsgBuf *msgbuf)
{
memset(msgbuf, 0, sizeof(*msgbuf));
}
static inline void
msgbuf_append_tag(struct MsgBuf *msgbuf, const char *key, const char *value, unsigned int capmask)
{
s_assert(msgbuf->n_tags < MAXPARA);
msgbuf->tags[msgbuf->n_tags].key = key;
msgbuf->tags[msgbuf->n_tags].value = value;
msgbuf->tags[msgbuf->n_tags].capmask = capmask;
msgbuf->n_tags++;
}
static inline void
msgbuf_append_para(struct MsgBuf *msgbuf, const char *para)
{
s_assert(msgbuf->n_para < MAXPARA);
msgbuf->para[msgbuf->n_para] = para;
msgbuf->n_para++;
}
} // namespace ircd
#endif // __cplusplus

View file

@ -115,7 +115,6 @@ namespace ircd
#include "cache.h" #include "cache.h"
#include "whowas.h" #include "whowas.h"
#include "tgchange.h" #include "tgchange.h"
#include "msgbuf.h"
#include "mask.h" #include "mask.h"
#include "chmode.h" #include "chmode.h"

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@ -1,238 +0,0 @@
/*
* charybdis - an advanced ircd.
* Copyright (c) 2016 William Pitcock <nenolod@dereferenced.org>.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice is present in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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.
*/
namespace ircd {
/*
* parse a message into a MsgBuf.
* returns 0 on success, 1 on error.
*/
int
msgbuf_parse(struct MsgBuf *msgbuf, char *line)
{
char *ch;
char *parv[MAXPARA];
size_t n_para;
/* skip any leading spaces */
for (ch = line; *ch && *ch == ' '; ch++)
;
msgbuf_init(msgbuf);
if (*ch == '@')
{
char *t = ch + 1;
ch = strchr(ch, ' ');
if (ch != NULL)
{
while (1)
{
char *next = strchr(t, ';');
char *eq = strchr(t, '=');
if (next != NULL)
{
*next = '\0';
if (eq > next)
eq = NULL;
}
if (eq != NULL)
*eq++ = '\0';
if (*t && *t != ' ')
msgbuf_append_tag(msgbuf, t, eq, 0);
else
break;
if (next != NULL)
t = next + 1;
else
break;
}
*ch++ = '\0';
}
}
/* skip any whitespace between tags and origin */
for (; *ch && *ch == ' '; ch++)
;
if (*ch == ':')
{
ch++;
msgbuf->origin = ch;
char *end = strchr(ch, ' ');
if (end == NULL)
return 1;
*end = '\0';
for (ch = end + 1; *ch && *ch == ' '; ch++)
;
}
if (*ch == '\0')
return 1;
n_para = rb_string_to_array(ch, parv, MAXPARA);
if (n_para == 0)
return 1;
msgbuf->cmd = parv[0];
for (size_t i = 0; i < n_para; i++)
msgbuf_append_para(msgbuf, parv[i]);
return 0;
}
static int
msgbuf_has_matching_tags(struct MsgBuf *msgbuf, unsigned int capmask)
{
for (size_t i = 0; i < msgbuf->n_tags; i++)
{
if ((msgbuf->tags[i].capmask & capmask) != 0)
return 1;
}
return 0;
}
static void
msgbuf_unparse_tags(char *buf, size_t buflen, struct MsgBuf *msgbuf, unsigned int capmask)
{
if (!msgbuf_has_matching_tags(msgbuf, capmask))
return;
*buf = '@';
for (size_t i = 0; i < msgbuf->n_tags; i++)
{
if ((msgbuf->tags[i].capmask & capmask) == 0)
continue;
if (i != 0)
rb_strlcat(buf, ";", buflen);
rb_strlcat(buf, msgbuf->tags[i].key, buflen);
/* XXX properly handle escaping */
if (msgbuf->tags[i].value)
{
rb_strlcat(buf, "=", buflen);
rb_strlcat(buf, msgbuf->tags[i].value, buflen);
}
}
rb_strlcat(buf, " ", buflen);
}
void
msgbuf_unparse_prefix(char *buf, size_t buflen, struct MsgBuf *msgbuf, unsigned int capmask)
{
memset(buf, 0, buflen);
if (msgbuf->n_tags > 0)
msgbuf_unparse_tags(buf, buflen, msgbuf, capmask);
rb_snprintf_append(buf, buflen, ":%s ", msgbuf->origin != NULL ? msgbuf->origin : me.name);
if (msgbuf->cmd != NULL)
rb_snprintf_append(buf, buflen, "%s ", msgbuf->cmd);
if (msgbuf->target != NULL)
rb_snprintf_append(buf, buflen, "%s ", msgbuf->target);
}
/*
* unparse a pure MsgBuf into a buffer.
* if origin is NULL, me.name will be used.
* cmd may not be NULL.
* returns 0 on success, 1 on error.
*/
int
msgbuf_unparse(char *buf, size_t buflen, struct MsgBuf *msgbuf, unsigned int capmask)
{
msgbuf_unparse_prefix(buf, buflen, msgbuf, capmask);
for (size_t i = msgbuf->cmd != NULL ? 0 : 1; i < msgbuf->n_para; i++)
{
if (i == (msgbuf->n_para - 1))
{
if (strchr(msgbuf->para[i], ' ') != NULL)
rb_snprintf_append(buf, buflen, ":%s", msgbuf->para[i]);
else
rb_strlcat(buf, msgbuf->para[i], buflen);
}
else
rb_strlcat(buf, msgbuf->para[i], buflen);
}
return 0;
}
/*
* unparse a MsgBuf stem + format string into a buffer
* if origin is NULL, me.name will be used.
* cmd may not be NULL.
* returns 0 on success, 1 on error.
*/
int
msgbuf_vunparse_fmt(char *buf, size_t buflen, struct MsgBuf *head, unsigned int capmask, const char *fmt, va_list va)
{
char *ws;
size_t prefixlen;
msgbuf_unparse_prefix(buf, buflen, head, capmask);
prefixlen = strlen(buf);
ws = buf + prefixlen;
vsnprintf(ws, buflen - prefixlen, fmt, va);
return 0;
}
/*
* unparse a MsgBuf stem + format string into a buffer (with va_list handling)
* if origin is NULL, me.name will be used.
* cmd may not be NULL.
* returns 0 on success, 1 on error.
*/
int
msgbuf_unparse_fmt(char *buf, size_t buflen, struct MsgBuf *head, unsigned int capmask, const char *fmt, ...)
{
va_list va;
int res;
va_start(va, fmt);
res = msgbuf_vunparse_fmt(buf, buflen, head, capmask, fmt, va);
va_end(va);
return res;
}
} // namespace ircd