[lonetic/bufio,lonetix/bgp,tools/bgpgrep,tools/peerindex] Add support for buffered input

pull/2/head
Lorenzo Cogotti 3 years ago
parent 3b5b41bf54
commit 631ee335d8

@ -159,7 +159,7 @@ static void NormalizeExtendedTimestamp(Dumpfmtctx *ctx)
ctx->microsecs %= 1000000; ctx->microsecs %= 1000000;
} }
static void DumpUnknown(Stmbuf *sb, BgpType type) static void DumpUnknown(Stmwrbuf *sb, BgpType type)
{ {
Bufio_Putc(sb, UNKNOWN_MARKER); Bufio_Putc(sb, UNKNOWN_MARKER);
Bufio_Putc(sb, SEP_CHAR); Bufio_Putc(sb, SEP_CHAR);
@ -167,7 +167,7 @@ static void DumpUnknown(Stmbuf *sb, BgpType type)
Bufio_Putsn(sb, SEPS_BUF, 8); Bufio_Putsn(sb, SEPS_BUF, 8);
} }
static Sint32 DumpCaps(Stmbuf *sb, Bgpcapiter *caps, const Dumpfmtctx *ctx) static Sint32 DumpCaps(Stmwrbuf *sb, Bgpcapiter *caps, const Dumpfmtctx *ctx)
{ {
const char *s; const char *s;
Bgpcap *cap; Bgpcap *cap;
@ -193,7 +193,7 @@ static Sint32 DumpCaps(Stmbuf *sb, Bgpcapiter *caps, const Dumpfmtctx *ctx)
return ncaps; return ncaps;
} }
static Judgement DumpAttributes(Stmbuf *sb, static Judgement DumpAttributes(Stmwrbuf *sb,
const Bgpattrseg *tpa, const Bgpattrseg *tpa,
Bgpattrtab table, Bgpattrtab table,
const Dumpfmtctx *ctx) const Dumpfmtctx *ctx)
@ -402,7 +402,7 @@ static Judgement DumpAttributes(Stmbuf *sb,
return OK; return OK;
} }
static void DumpMrtInfoTrailer(Stmbuf *sb, const Dumpfmtctx *ctx) static void DumpMrtInfoTrailer(Stmwrbuf *sb, const Dumpfmtctx *ctx)
{ {
char buf[128]; char buf[128];
@ -440,7 +440,7 @@ static void DumpMrtInfoTrailer(Stmbuf *sb, const Dumpfmtctx *ctx)
Bufio_Puts(sb, EOLN); Bufio_Puts(sb, EOLN);
} }
static void WarnCorrupted(Stmbuf *sb, const Dumpfmtctx *ctx) static void WarnCorrupted(Stmwrbuf *sb, const Dumpfmtctx *ctx)
{ {
Bufio_Putc(sb, SEP_CHAR_BAD); Bufio_Putc(sb, SEP_CHAR_BAD);
if (ctx->withColors) if (ctx->withColors)
@ -452,7 +452,7 @@ static void WarnCorrupted(Stmbuf *sb, const Dumpfmtctx *ctx)
} }
static Sint32 DumpRoutesFast(char marker, static Sint32 DumpRoutesFast(char marker,
Stmbuf *sb, Stmwrbuf *sb,
Bgpmpiter *prefixes, Bgpmpiter *prefixes,
const Bgpattrseg *tpa, const Bgpattrseg *tpa,
Bgpattrtab table, Bgpattrtab table,
@ -519,7 +519,7 @@ static unsigned InsertRoute(Prefixtree **pr, Prefixtree *n)
} }
static Sint32 DumpRouteWithPathId(char marker, static Sint32 DumpRouteWithPathId(char marker,
Stmbuf *sb, Stmwrbuf *sb,
const Prefixtree *n, const Prefixtree *n,
const Bgpattrseg *tpa, const Bgpattrseg *tpa,
Bgpattrtab table, Bgpattrtab table,
@ -558,7 +558,7 @@ static Sint32 DumpRouteWithPathId(char marker,
} }
static Sint32 DumpRoutes(char marker, static Sint32 DumpRoutes(char marker,
Stmbuf *sb, Stmwrbuf *sb,
Bgpmpiter *prefixes, Bgpmpiter *prefixes,
const Bgpattrseg *tpa, const Bgpattrseg *tpa,
Bgpattrtab table, Bgpattrtab table,
@ -614,7 +614,7 @@ static Sint32 DumpRoutes(char marker,
return nprefixes; return nprefixes;
} }
static Judgement DumpBgp(Stmbuf *sb, static Judgement DumpBgp(Stmwrbuf *sb,
BgpType type, BgpType type,
const void *data, const void *data,
size_t nbytes, size_t nbytes,
@ -720,7 +720,7 @@ static Sint64 Isolario_DumpMsg(const Bgphdr *hdr,
const StmOps *ops, const StmOps *ops,
Bgpattrtab table) Bgpattrtab table)
{ {
Stmbuf sb; Stmwrbuf sb;
size_t nbytes = beswap16(hdr->len); size_t nbytes = beswap16(hdr->len);
assert(nbytes >= BGP_HDRSIZ); assert(nbytes >= BGP_HDRSIZ);
@ -731,7 +731,7 @@ static Sint64 Isolario_DumpMsg(const Bgphdr *hdr,
ctx.isAsn32bit = BGP_ISASN32BIT(flags); ctx.isAsn32bit = BGP_ISASN32BIT(flags);
ctx.isAddPath = BGP_ISADDPATH(flags); ctx.isAddPath = BGP_ISADDPATH(flags);
Bufio_Init(&sb, streamp, ops); Bufio_WrInit(&sb, streamp, ops);
DumpBgp(&sb, hdr->type, hdr + 1, nbytes, table, &ctx); DumpBgp(&sb, hdr->type, hdr + 1, nbytes, table, &ctx);
return Bufio_Flush(&sb); return Bufio_Flush(&sb);
} }
@ -742,7 +742,7 @@ static Sint64 Isolario_DumpMsgWc(const Bgphdr *hdr,
const StmOps *ops, const StmOps *ops,
Bgpattrtab table) Bgpattrtab table)
{ {
Stmbuf sb; Stmwrbuf sb;
size_t nbytes = beswap16(hdr->len); size_t nbytes = beswap16(hdr->len);
assert(nbytes >= BGP_HDRSIZ); assert(nbytes >= BGP_HDRSIZ);
@ -754,7 +754,7 @@ static Sint64 Isolario_DumpMsgWc(const Bgphdr *hdr,
ctx.isAddPath = BGP_ISADDPATH(flags); ctx.isAddPath = BGP_ISADDPATH(flags);
ctx.withColors = TRUE; ctx.withColors = TRUE;
Bufio_Init(&sb, streamp, ops); Bufio_WrInit(&sb, streamp, ops);
DumpBgp(&sb, hdr->type, hdr + 1, nbytes, table, &ctx); DumpBgp(&sb, hdr->type, hdr + 1, nbytes, table, &ctx);
return Bufio_Flush(&sb); return Bufio_Flush(&sb);
@ -770,12 +770,12 @@ static Sint64 Isolario_DumpRibv2(const Mrthdr *hdr,
assert(hdr->type == MRT_TABLE_DUMPV2); assert(hdr->type == MRT_TABLE_DUMPV2);
assert(TABLE_DUMPV2_ISRIB(hdr->subtype)); assert(TABLE_DUMPV2_ISRIB(hdr->subtype));
Stmbuf sb; Stmwrbuf sb;
Dumpfmtctx ctx; Dumpfmtctx ctx;
char buf[APPFX_STRLEN + 1]; char buf[APPFX_STRLEN + 1];
char *ep; char *ep;
Bufio_Init(&sb, streamp, ops); Bufio_WrInit(&sb, streamp, ops);
memset(&ctx, 0, sizeof(ctx)); memset(&ctx, 0, sizeof(ctx));
ctx.hasPeer = TRUE; ctx.hasPeer = TRUE;
@ -865,13 +865,13 @@ static Sint64 Isolario_DumpRib(const Mrthdr *hdr,
{ {
assert(hdr->type == MRT_TABLE_DUMP); assert(hdr->type == MRT_TABLE_DUMP);
Stmbuf sb; Stmwrbuf sb;
Dumpfmtctx ctx; Dumpfmtctx ctx;
RawPrefix pfx; RawPrefix pfx;
char buf[APPFX_STRLEN + 1]; char buf[APPFX_STRLEN + 1];
char *ep; char *ep;
Bufio_Init(&sb, streamp, ops); Bufio_WrInit(&sb, streamp, ops);
memset(&ctx, 0, sizeof(ctx)); memset(&ctx, 0, sizeof(ctx));
ctx.hasPeer = TRUE; ctx.hasPeer = TRUE;
@ -930,14 +930,14 @@ static Sint64 Isolario_DumpBgp4mp(const Mrthdr *hdr,
{ {
assert(hdr->type == MRT_BGP4MP || hdr->type == MRT_BGP4MP_ET); assert(hdr->type == MRT_BGP4MP || hdr->type == MRT_BGP4MP_ET);
Stmbuf sb; Stmwrbuf sb;
Dumpfmtctx ctx; Dumpfmtctx ctx;
size_t offset; // offset to BGP4MP payload size_t offset; // offset to BGP4MP payload
size_t len; size_t len;
const Bgp4mphdr *bgp4mp = BGP4MP_HDR(hdr); const Bgp4mphdr *bgp4mp = BGP4MP_HDR(hdr);
Bufio_Init(&sb, streamp, ops); Bufio_WrInit(&sb, streamp, ops);
len = beswap32(hdr->len); len = beswap32(hdr->len);
@ -1058,12 +1058,12 @@ static Sint64 Isolario_DumpZebra(const Mrthdr *hdr,
{ {
assert(hdr->type == MRT_BGP); assert(hdr->type == MRT_BGP);
Stmbuf sb; Stmwrbuf sb;
Dumpfmtctx ctx; Dumpfmtctx ctx;
const Zebrahdr *zebra = ZEBRA_HDR(hdr); const Zebrahdr *zebra = ZEBRA_HDR(hdr);
Bufio_Init(&sb, streamp, ops); Bufio_WrInit(&sb, streamp, ops);
memset(&ctx, 0, sizeof(ctx)); memset(&ctx, 0, sizeof(ctx));
ctx.hasPeer = TRUE; ctx.hasPeer = TRUE;

@ -18,36 +18,91 @@
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
Sint64 Bufio_Flush(Stmbuf *sb) static Judgement Bufio_FillRdBuf(Stmrdbuf *sb)
{
assert(sb->pos == sb->availIn);
Sint64 n = sb->ops->Read(sb->streamp, sb->buf, sizeof(sb->buf));
if (n < 0) {
sb->hasError = TRUE;
return NG;
}
sb->isEof = (n == 0);
sb->availIn = n;
sb->totalIn += n;
sb->pos = 0;
return OK;
}
Sint64 Bufio_Read(Stmrdbuf *sb, void *buf, size_t nbytes)
{
assert(sb->ops->Read);
if (sb->hasError)
return -1; // refuse unless somebody clears error
Uint8 *dest = (Uint8 *) buf;
while (nbytes > 0) {
if (sb->pos >= sb->availIn) {
if (Bufio_FillRdBuf(sb) != OK) {
if (dest > (Uint8 *) buf)
break; // delay error to next read
return -1;
}
if (sb->isEof)
break; // end of file
}
size_t size = MIN((size_t) (sb->availIn - sb->pos), nbytes);
memcpy(dest, sb->buf + sb->pos, size);
sb->pos += size;
nbytes -= size;
dest += size;
}
return dest - (Uint8 *) buf;
}
void Bufio_Close(Stmrdbuf *sb)
{
if (sb->ops->Close) sb->ops->Close(sb->streamp);
}
Sint64 Bufio_Flush(Stmwrbuf *sb)
{ {
assert(sb->ops->Write); assert(sb->ops->Write);
while (sb->len > 0) { while (sb->availOut > 0) {
Sint64 n = sb->ops->Write(sb->streamp, sb->buf, sb->len); Sint64 n = sb->ops->Write(sb->streamp, sb->buf, sb->availOut);
if (n < 0) if (n < 0)
return NG; return -1;
memmove(sb->buf, sb->buf + n, sb->len - n); memmove(sb->buf, sb->buf + n, sb->availOut - n);
sb->len -= n; sb->availOut -= n;
sb->total += n; sb->totalOut += n;
} }
return sb->total; return sb->totalOut;
} }
Sint64 _Bufio_Putsn(Stmbuf *sb, const char *s, size_t nbytes) Sint64 _Bufio_Putsn(Stmwrbuf *sb, const char *s, size_t nbytes)
{ {
if (sb->len + nbytes > sizeof(sb->buf) && Bufio_Flush(sb) == -1) if (sb->availOut + nbytes > sizeof(sb->buf) && Bufio_Flush(sb) == -1)
return -1; return -1;
if (nbytes > sizeof(sb->buf)) if (nbytes > sizeof(sb->buf))
return sb->ops->Write(sb->streamp, sb, nbytes); return sb->ops->Write(sb->streamp, sb, nbytes);
memcpy(sb->buf + sb->len, s, nbytes); memcpy(sb->buf + sb->availOut, s, nbytes);
sb->len += nbytes; sb->availOut += nbytes;
return nbytes; return nbytes;
} }
Sint64 Bufio_Putu(Stmbuf *sb, unsigned long long val) Sint64 Bufio_Putu(Stmwrbuf *sb, unsigned long long val)
{ {
char buf[DIGS(val) + 1]; char buf[DIGS(val) + 1];
@ -55,7 +110,7 @@ Sint64 Bufio_Putu(Stmbuf *sb, unsigned long long val)
return Bufio_Putsn(sb, buf, eptr - buf); return Bufio_Putsn(sb, buf, eptr - buf);
} }
Sint64 Bufio_Putx(Stmbuf *sb, unsigned long long val) Sint64 Bufio_Putx(Stmwrbuf *sb, unsigned long long val)
{ {
char buf[XDIGS(val) + 1]; char buf[XDIGS(val) + 1];
@ -63,7 +118,7 @@ Sint64 Bufio_Putx(Stmbuf *sb, unsigned long long val)
return Bufio_Putsn(sb, buf, eptr - buf); return Bufio_Putsn(sb, buf, eptr - buf);
} }
Sint64 Bufio_Puti(Stmbuf *sb, long long val) Sint64 Bufio_Puti(Stmwrbuf *sb, long long val)
{ {
char buf[1 + DIGS(val) + 1]; char buf[1 + DIGS(val) + 1];
@ -71,7 +126,7 @@ Sint64 Bufio_Puti(Stmbuf *sb, long long val)
return Bufio_Putsn(sb, buf, eptr - buf); return Bufio_Putsn(sb, buf, eptr - buf);
} }
Sint64 Bufio_Putf(Stmbuf *sb, double val) Sint64 Bufio_Putf(Stmwrbuf *sb, double val)
{ {
char buf[DOUBLE_STRLEN + 1]; char buf[DOUBLE_STRLEN + 1];
@ -79,7 +134,7 @@ Sint64 Bufio_Putf(Stmbuf *sb, double val)
return Bufio_Putsn(sb, buf, eptr - buf); return Bufio_Putsn(sb, buf, eptr - buf);
} }
Sint64 Bufio_Printf(Stmbuf *sb, const char *fmt, ...) Sint64 Bufio_Printf(Stmwrbuf *sb, const char *fmt, ...)
{ {
va_list va; va_list va;
Sint64 n; Sint64 n;
@ -91,7 +146,7 @@ Sint64 Bufio_Printf(Stmbuf *sb, const char *fmt, ...)
return n; return n;
} }
Sint64 Bufio_Vprintf(Stmbuf *sb, const char *fmt, va_list va) Sint64 Bufio_Vprintf(Stmwrbuf *sb, const char *fmt, va_list va)
{ {
va_list vc; va_list vc;
char *buf; char *buf;
@ -117,3 +172,39 @@ Sint64 Bufio_Vprintf(Stmbuf *sb, const char *fmt, va_list va)
return Bufio_Putsn(sb, buf, n2); return Bufio_Putsn(sb, buf, n2);
} }
static Sint64 Bufio_StmRead(void *streamp, void *buf, size_t nbytes)
{
return Bufio_Read((Stmrdbuf *) streamp, buf, nbytes);
}
static Sint64 Bufio_StmTell(void *streamp)
{
Stmrdbuf *sb = (Stmrdbuf *) streamp;
return (sb->hasError) ? -1 : sb->totalIn + (Sint64) sb->pos;
}
static void Bufio_StmClose(void *streamp)
{
Bufio_Close((Stmrdbuf *) streamp);
}
static const StmOps _Stm_RdBufOps = {
Bufio_StmRead,
NULL,
NULL,
Bufio_StmTell,
NULL,
Bufio_StmClose
};
static const StmOps _Stm_NcRdBufOps = {
Bufio_StmRead,
NULL,
NULL,
Bufio_StmTell,
NULL,
NULL
};
const StmOps *const Stm_RdBufOps = &_Stm_RdBufOps;
const StmOps *const Stm_NcRdBufOps = &_Stm_NcRdBufOps;

@ -3,7 +3,7 @@
/** /**
* \file bufio.h * \file bufio.h
* *
* Buffered stream writing utilities. * Buffered stream input/output utilities.
* *
* \copyright The DoubleFourteen Code Forge (C) All Rights Reserved * \copyright The DoubleFourteen Code Forge (C) All Rights Reserved
* \author Lorenzo Cogotti * \author Lorenzo Cogotti
@ -26,27 +26,81 @@
* and reduce calls to a stream's `Write()` operation. * and reduce calls to a stream's `Write()` operation.
*/ */
typedef struct { typedef struct {
Sint64 total; ///< Total bytes flushed to output Sint64 totalOut; ///< Total bytes flushed to output
Uint32 len; ///< Bytes currently buffered Uint32 availOut; ///< Bytes currently buffered
char buf[STM_BUFSIZ]; ///< Output buffer char buf[STM_BUFSIZ]; ///< Output buffer
void *streamp; ///< Output stream pointer void *streamp; ///< Output stream pointer
const StmOps *ops; ///< Output stream operations const StmOps *ops; ///< Output stream operations
} Stmbuf; } Stmwrbuf;
/**
* Buffered input helper structure.
*
* A small `struct` holding an input buffer.
* Reading variant of the `Stmwrbuf` structure.
*
* In contrast with `Stmwrbuf`, this struct may be used
* as a stream with `Stm_RdBufOps` and `Stm_NcRdBufOps`.
*/
typedef struct {
Sint64 totalIn; ///< Total bytes read from input.
Uint16 availIn; ///< Bytes currently buffered.
Uint16 pos; ///< Offset inside buffer to next byte to be returned.
Boolean8 hasError; ///< Whether a read error was encountered
Boolean8 isEof; ///< Whether last Read() from input returned 0
char buf[STM_BUFSIZ]; ///< Input buffer
void *streamp; ///< Input stream pointer
const StmOps *ops; ///< Input stream operations
} Stmrdbuf;
/// Clear `Stmrdbuf` error flag, if set.
FORCE_INLINE void BUFIO_CLRERROR(Stmrdbuf *sb)
{
sb->hasError = FALSE;
}
/// Clear `Stmrdbuf` EOF flag, if set.
FORCE_INLINE void BUFIO_CLREOF(Stmrdbuf *sb)
{
sb->isEof = FALSE;
}
/**
* Initialize the buffer for reading from `streamp` using the
* `ops` stream operations.
*
* \param [out] sb Buffer to be initialized, must not be `NULL`
* \param [in] streamp Output stream pointer
* \param [in] ops Output stream operations, must not be `NULL`
* and must provide a `Read()` operation
*/
FORCE_INLINE void Bufio_RdInit(Stmrdbuf *sb, void *streamp, const StmOps *ops)
{
sb->totalIn = 0;
sb->availIn = 0;
sb->hasError = FALSE;
sb->isEof = FALSE;
sb->streamp = streamp;
sb->ops = ops;
}
Sint64 Bufio_Read(Stmrdbuf *sb, void *buf, size_t nbytes);
void Bufio_Close(Stmrdbuf *sb);
/** /**
* Flush the buffer to output stream. * Flush the buffer to output stream.
* *
* \return On success returns the **total** bytes written to output * \return On success returns the **total** bytes written to output
* stream since last call to `Bufio_Init()`, * stream since last call to `Bufio_WrInit()`,
* that is the value stored inside `sb->total` field after the flush * that is the value stored inside `sb->totalOut` field after the flush
* operations. Otherwise returns -1. * operations. Otherwise returns -1.
* *
* \note Partial flushes are possible on partial writes, in which case * \note Partial flushes are possible on partial writes, in which case
* some amount of data will remain buffered in `sb` and may be * some amount of data will remain buffered in `sb` and may be
* flushed later on; `sb->total` and `sb->len` will still be updated * flushed later on; `sb->totalOut` and `sb->len` will still be updated
* consistently. * consistently.
*/ */
Sint64 Bufio_Flush(Stmbuf *sb); Sint64 Bufio_Flush(Stmwrbuf *sb);
/** /**
* Initialize the buffer for writing to `streamp` using the * Initialize the buffer for writing to `streamp` using the
@ -57,14 +111,14 @@ Sint64 Bufio_Flush(Stmbuf *sb);
* \param [in] ops Output stream operations, must not be `NULL` * \param [in] ops Output stream operations, must not be `NULL`
* and must provide a `Write()` operation * and must provide a `Write()` operation
*/ */
FORCE_INLINE void Bufio_Init(Stmbuf *sb, FORCE_INLINE void Bufio_WrInit(Stmwrbuf *sb,
void *streamp, void *streamp,
const StmOps *ops) const StmOps *ops)
{ {
sb->total = 0; sb->totalOut = 0;
sb->len = 0; sb->availOut = 0;
sb->streamp = streamp; sb->streamp = streamp;
sb->ops = ops; sb->ops = ops;
} }
/** /**
@ -77,16 +131,16 @@ FORCE_INLINE void Bufio_Init(Stmbuf *sb,
* -1 on error. * -1 on error.
* *
* @{ * @{
* \fn Sint64 Bufio_Putu(Stmbuf *, unsigned long long) * \fn Sint64 Bufio_Putu(Stmwrbuf *, unsigned long long)
* \fn Sint64 Bufio_Putx(Stmbuf *, unsigned long long) * \fn Sint64 Bufio_Putx(Stmwrbuf *, unsigned long long)
* \fn Sint64 Bufio_Puti(Stmbuf *, long long) * \fn Sint64 Bufio_Puti(Stmwrbuf *, long long)
* \fn Sint64 Bufio_Putf(Stmbuf *, double) * \fn Sint64 Bufio_Putf(Stmwrbuf *, double)
* @} * @}
*/ */
Sint64 Bufio_Putu(Stmbuf *sb, unsigned long long val); Sint64 Bufio_Putu(Stmwrbuf *sb, unsigned long long val);
Sint64 Bufio_Putx(Stmbuf *sb, unsigned long long val); Sint64 Bufio_Putx(Stmwrbuf *sb, unsigned long long val);
Sint64 Bufio_Puti(Stmbuf *sb, long long val); Sint64 Bufio_Puti(Stmwrbuf *sb, long long val);
Sint64 Bufio_Putf(Stmbuf *sb, double val); Sint64 Bufio_Putf(Stmwrbuf *sb, double val);
/** /**
* Write a single character to `sb`. * Write a single character to `sb`.
@ -96,12 +150,12 @@ Sint64 Bufio_Putf(Stmbuf *sb, double val);
* *
* \note `\0` may be written and buffered like any other `char`. * \note `\0` may be written and buffered like any other `char`.
*/ */
FORCE_INLINE Sint64 Bufio_Putc(Stmbuf *sb, char c) FORCE_INLINE Sint64 Bufio_Putc(Stmwrbuf *sb, char c)
{ {
if (sb->len == sizeof(sb->buf) && Bufio_Flush(sb) == -1) if (sb->availOut == sizeof(sb->buf) && Bufio_Flush(sb) == -1)
return -1; return -1;
sb->buf[sb->len++] = c; sb->buf[sb->availOut++] = c;
return 1; return 1;
} }
@ -117,7 +171,7 @@ FORCE_INLINE Sint64 Bufio_Putc(Stmbuf *sb, char c)
* \return Number of bytes written to `sb` on success (equal to * \return Number of bytes written to `sb` on success (equal to
* `nbytes`), -1 on error. * `nbytes`), -1 on error.
*/ */
Sint64 _Bufio_Putsn(Stmbuf *, const char *, size_t); Sint64 _Bufio_Putsn(Stmwrbuf *, const char *, size_t);
#ifdef __GNUC__ #ifdef __GNUC__
// Optimize to call Bufio_Putc() if 'nbytes' is statically known to be 1 // Optimize to call Bufio_Putc() if 'nbytes' is statically known to be 1
@ -137,7 +191,7 @@ Sint64 _Bufio_Putsn(Stmbuf *, const char *, size_t);
* \return Number of bytes written to `sb` on success (equal * \return Number of bytes written to `sb` on success (equal
* to string length), -1 on error. * to string length), -1 on error.
*/ */
FORCE_INLINE Sint64 Bufio_Puts(Stmbuf *sb, const char *s) FORCE_INLINE Sint64 Bufio_Puts(Stmwrbuf *sb, const char *s)
{ {
EXTERNC size_t strlen(const char *); // avoids #include EXTERNC size_t strlen(const char *); // avoids #include
@ -152,11 +206,14 @@ FORCE_INLINE Sint64 Bufio_Puts(Stmbuf *sb, const char *s)
* \return Number of bytes written to `sb` on success, -1 on error. * \return Number of bytes written to `sb` on success, -1 on error.
* *
* @{ * @{
* \fn Sint64 Bufio_Printf(Stmbuf *, const char *, ...) * \fn Sint64 Bufio_Printf(Stmwrbuf *, const char *, ...)
* \fn Sint64 Bufio_Vprintf(Stmbuf *, const char *, va_list) * \fn Sint64 Bufio_Vprintf(Stmwrbuf *, const char *, va_list)
* @} * @}
*/ */
CHECK_PRINTF(2, 3) Sint64 Bufio_Printf(Stmbuf *, const char *, ...); CHECK_PRINTF(2, 3) Sint64 Bufio_Printf(Stmwrbuf *, const char *, ...);
CHECK_PRINTF(2, 0) Sint64 Bufio_Vprintf(Stmbuf *, const char *, va_list); CHECK_PRINTF(2, 0) Sint64 Bufio_Vprintf(Stmwrbuf *, const char *, va_list);
extern const StmOps *const Stm_RdBufOps;
extern const StmOps *const Stm_NcRdBufOps;
#endif #endif

@ -316,8 +316,10 @@ static void Bgpgrep_OpenMrtDump(const char *filename)
S.filename = filename; S.filename = filename;
if (strcmp(S.filename, "-") == 0) { if (strcmp(S.filename, "-") == 0) {
// Direct read from stdin - assume uncompressed. // Direct read from stdin - assume uncompressed.
S.inf = STM_FILDES(CON_FILDES(STDIN)); Bufio_RdInit(&S.infBuf, STM_FILDES(CON_FILDES(STDIN)), Stm_NcFildesOps);
S.infOps = Stm_NcFildesOps;
S.inf = &S.infBuf;
S.infOps = Stm_NcRdBufOps;
return; return;
} }
@ -352,8 +354,10 @@ static void Bgpgrep_OpenMrtDump(const char *filename)
} else { } else {
// Assume uncompressed file // Assume uncompressed file
S.inf = STM_FILDES(fh); Bufio_RdInit(&S.infBuf, STM_FILDES(fh), Stm_FildesOps);
S.infOps = Stm_FildesOps;
S.inf = &S.infBuf;
S.infOps = Stm_RdBufOps;
} }
} }

@ -16,6 +16,7 @@
#include "bgp/mrt.h" #include "bgp/mrt.h"
#include "bgp/patricia.h" #include "bgp/patricia.h"
#include "bgp/vm.h" #include "bgp/vm.h"
#include "bufio.h"
#include <setjmp.h> #include <setjmp.h>
@ -113,6 +114,7 @@ struct BgpgrepState {
const char *filename; // current file being processed const char *filename; // current file being processed
void *inf; // NOTE: may be NULL even in a file is open void *inf; // NOTE: may be NULL even in a file is open
const StmOps *infOps; // if NULL no file is open const StmOps *infOps; // if NULL no file is open
Stmrdbuf infBuf; // input buffer in case we're reading from uncompressed source
// Miscellaneous global flags and data // Miscellaneous global flags and data
Boolean8 noColor; Boolean8 noColor;

@ -226,8 +226,10 @@ static void Peerindex_OpenMrtDump(const char *filename)
S.filename = filename; S.filename = filename;
if (strcmp(S.filename, "-") == 0) { if (strcmp(S.filename, "-") == 0) {
// Direct read from stdin, assume uncompressed // Direct read from stdin, assume uncompressed
S.inf = STM_FILDES(CON_FILDES(STDIN)); Bufio_RdInit(&S.infBuf, STM_FILDES(CON_FILDES(STDIN)), Stm_NcFildesOps);
S.infOps = Stm_NcFildesOps;
S.inf = &S.infBuf;
S.infOps = Stm_NcRdBufOps;
return; return;
} }
@ -262,8 +264,10 @@ static void Peerindex_OpenMrtDump(const char *filename)
} else { } else {
// Assume uncompressed file // Assume uncompressed file
S.inf = STM_FILDES(fh); Bufio_RdInit(&S.infBuf, STM_FILDES(fh), Stm_FildesOps);
S.infOps = Stm_FildesOps;
S.inf = &S.infBuf;
S.infOps = Stm_RdBufOps;
} }
} }
@ -288,7 +292,7 @@ static void Peerindex_MarkPeerRefs(void)
static void Peerindex_FlushPeerIndexTable(void) static void Peerindex_FlushPeerIndexTable(void)
{ {
char buf[IPV6_STRLEN + 1]; char buf[IPV6_STRLEN + 1];
Stmbuf sb; Stmwrbuf sb;
Ipadr adr; Ipadr adr;
@ -300,7 +304,7 @@ static void Peerindex_FlushPeerIndexTable(void)
Uint16 idx = 0; Uint16 idx = 0;
Bufio_Init(&sb, S.outf, S.outfOps); Bufio_WrInit(&sb, S.outf, S.outfOps);
Bgp_StartMrtPeersv2(&it, &S.peerIndex); Bgp_StartMrtPeersv2(&it, &S.peerIndex);
while ((peer = Bgp_NextMrtPeerv2(&it)) != NULL) { while ((peer = Bgp_NextMrtPeerv2(&it)) != NULL) {

@ -13,6 +13,7 @@
#define DF_PEERINDEX_LOCAL_H_ #define DF_PEERINDEX_LOCAL_H_
#include "bgp/mrt.h" #include "bgp/mrt.h"
#include "bufio.h"
#include <setjmp.h> #include <setjmp.h>
@ -39,6 +40,7 @@ typedef struct {
const char *filename; const char *filename;
void *inf; void *inf;
const StmOps *infOps; const StmOps *infOps;
Stmrdbuf infBuf;
// Miscellaneous global flags and data // Miscellaneous global flags and data
Boolean8 hasPeerIndex; Boolean8 hasPeerIndex;

Loading…
Cancel
Save