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MEDIUM: log: split of log_format generation

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* logformat functions now take a format linked list as argument
* build_logline() build a logline using a format linked list
* rename LOG_* by LOG_FMT_* in enum
* improve error management in build_logline()
This commit is contained in:
William Lallemand 2012-03-12 12:46:41 +01:00 committed by Willy Tarreau
parent d94991d236
commit 1d7055675e
4 changed files with 301 additions and 253 deletions
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9
include/proto/log.h
View File

@ -40,6 +40,8 @@ extern char default_http_log_format[];
extern char clf_http_log_format[];
int build_logline(struct session *s, char *dst, size_t maxsize, struct list *list_format);
/*
* send a log for the session when we have enough info about it.
* Will not log if the frontend has no log defined.
@ -55,20 +57,19 @@ int parse_logformat_var_args(char *args, struct logformat_node *node);
* Parse a variable '%varname' or '%{args}varname' in logformat
*
*/
int parse_logformat_var(char *str, size_t len, struct proxy *curproxy, int *options);
int parse_logformat_var(char *str, size_t len, struct proxy *curproxy, struct list *list_format, int *defoptions);
/*
* add to the logformat linked list
*/
void add_to_logformat_list(char *start, char *end, int type, struct proxy *curproxy);
void add_to_logformat_list(char *start, char *end, int type, struct list *list_format);
/*
* Parse the log_format string and fill a linked list.
* Variable name are preceded by % and composed by characters [a-zA-Z0-9]* : %varname
* You can set arguments using { } : %{many arguments}varname
*/
void parse_logformat_string(char *str, struct proxy *curproxy);
void parse_logformat_string(char *str, struct proxy *curproxy, struct list *list_format, int capabilities);
/*
* Displays the message on stderr with the date and pid. Overrides the quiet
* mode during startup.

80
include/types/log.h
View File

@ -35,49 +35,49 @@
/* lists of fields that can be logged */
enum {
LOG_TEXT = 0, /* raw text */
LOG_FMT_TEXT = 0, /* raw text */
LOG_SEPARATOR, /* separator replaced by one space */
LOG_VARIABLE,
LOG_FMT_SEPARATOR, /* separator replaced by one space */
LOG_FMT_VARIABLE,
/* information fields */
LOG_GLOBAL,
LOG_CLIENTIP,
LOG_CLIENTPORT,
LOG_SOURCEPORT,
LOG_SOURCEIP,
LOG_DATE,
LOG_DATEGMT,
LOG_MS,
LOG_FRONTEND,
LOG_BACKEND,
LOG_SERVER,
LOG_BYTES,
LOG_T,
LOG_TQ,
LOG_TW,
LOG_TC,
LOG_TR,
LOG_TT,
LOG_STATUS,
LOG_CCLIENT,
LOG_CSERVER,
LOG_TERMSTATE,
LOG_TERMSTATE_CK,
LOG_CONN,
LOG_ACTCONN,
LOG_FECONN,
LOG_BECONN,
LOG_SRVCONN,
LOG_RETRIES,
LOG_QUEUES,
LOG_SRVQUEUE,
LOG_BCKQUEUE,
LOG_HDRREQUEST,
LOG_HDRRESPONS,
LOG_HDRREQUESTLIST,
LOG_HDRRESPONSLIST,
LOG_REQ,
LOG_FMT_GLOBAL,
LOG_FMT_CLIENTIP,
LOG_FMT_CLIENTPORT,
LOG_FMT_BACKENDIP,
LOG_FMT_BACKENDPORT,
LOG_FMT_DATE,
LOG_FMT_DATEGMT,
LOG_FMT_MS,
LOG_FMT_FRONTEND,
LOG_FMT_BACKEND,
LOG_FMT_SERVER,
LOG_FMT_BYTES,
LOG_FMT_T,
LOG_FMT_TQ,
LOG_FMT_TW,
LOG_FMT_TC,
LOG_FMT_TR,
LOG_FMT_TT,
LOG_FMT_STATUS,
LOG_FMT_CCLIENT,
LOG_FMT_CSERVER,
LOG_FMT_TERMSTATE,
LOG_FMT_TERMSTATE_CK,
LOG_FMT_CONN,
LOG_FMT_ACTCONN,
LOG_FMT_FECONN,
LOG_FMT_BECONN,
LOG_FMT_SRVCONN,
LOG_FMT_RETRIES,
LOG_FMT_QUEUES,
LOG_FMT_SRVQUEUE,
LOG_FMT_BCKQUEUE,
LOG_FMT_HDRREQUEST,
LOG_FMT_HDRRESPONS,
LOG_FMT_HDRREQUESTLIST,
LOG_FMT_HDRRESPONSLIST,
LOG_FMT_REQ,
};
/* enum for parse_logformat */

6
src/cfgparse.c
View File

@ -3352,14 +3352,14 @@ stats_error_parsing:
goto out;
}
}
parse_logformat_string(logformat, curproxy);
parse_logformat_string(logformat, curproxy, &curproxy->logformat, curproxy->mode);
}
else if (!strcmp(args[1], "tcplog")) {
char *logformat;
/* generate a detailed TCP log */
curproxy->to_log |= LW_DATE | LW_CLIP | LW_SVID | LW_PXID | LW_BYTES;
logformat = default_tcp_log_format;
parse_logformat_string(logformat, curproxy);
parse_logformat_string(logformat, curproxy, &curproxy->logformat, curproxy->mode);
}
else if (!strcmp(args[1], "tcpka")) {
/* enable TCP keep-alives on client and server sessions */
@ -4598,7 +4598,7 @@ stats_error_parsing:
err_code |= ERR_ALERT | ERR_FATAL;
goto out;
}
parse_logformat_string(args[1], curproxy);
parse_logformat_string(args[1], curproxy, &curproxy->logformat, curproxy->mode);
}
else if (!strcmp(args[0], "log") && kwm == KWM_NO) {

459
src/log.c
View File

@ -64,40 +64,40 @@ int prepare_addrsource(struct logformat_node *node, struct proxy *curproxy);
/* log_format variable names */
static const struct logformat_type logformat_keywords[] = {
{ "o", LOG_GLOBAL, PR_MODE_TCP, NULL }, /* global option */
{ "Ci", LOG_CLIENTIP, PR_MODE_TCP, NULL }, /* client ip */
{ "Cp", LOG_CLIENTPORT, PR_MODE_TCP, NULL }, /* client port */
{ "Bp", LOG_SOURCEPORT, PR_MODE_TCP, prepare_addrsource }, /* backend source port */
{ "Bi", LOG_SOURCEIP, PR_MODE_TCP, prepare_addrsource }, /* backend source ip */
{ "t", LOG_DATE, PR_MODE_TCP, NULL }, /* date */
{ "T", LOG_DATEGMT, PR_MODE_TCP, NULL }, /* date GMT */
{ "ms", LOG_MS, PR_MODE_TCP, NULL }, /* accept date millisecond */
{ "f", LOG_FRONTEND, PR_MODE_TCP, NULL }, /* frontend */
{ "b", LOG_BACKEND, PR_MODE_TCP, NULL }, /* backend */
{ "s", LOG_SERVER, PR_MODE_TCP, NULL }, /* server */
{ "B", LOG_BYTES, PR_MODE_TCP, NULL }, /* bytes read */
{ "Tq", LOG_TQ, PR_MODE_HTTP, NULL }, /* Tq */
{ "Tw", LOG_TW, PR_MODE_TCP, NULL }, /* Tw */
{ "Tc", LOG_TC, PR_MODE_TCP, NULL }, /* Tc */
{ "Tr", LOG_TR, PR_MODE_HTTP, NULL }, /* Tr */
{ "Tt", LOG_TT, PR_MODE_TCP, NULL }, /* Tt */
{ "st", LOG_STATUS, PR_MODE_HTTP, NULL }, /* status code */
{ "cc", LOG_CCLIENT, PR_MODE_HTTP, NULL }, /* client cookie */
{ "cs", LOG_CSERVER, PR_MODE_HTTP, NULL }, /* server cookie */
{ "ts", LOG_TERMSTATE, PR_MODE_TCP, NULL },/* terminaison state */
{ "tsc", LOG_TERMSTATE_CK, PR_MODE_HTTP, NULL },/* terminaison state with cookie status */
{ "ac", LOG_ACTCONN, PR_MODE_TCP, NULL }, /* actconn */
{ "fc", LOG_FECONN, PR_MODE_TCP, NULL }, /* feconn */
{ "bc", LOG_BECONN, PR_MODE_TCP, NULL }, /* beconn */
{ "sc", LOG_SRVCONN, PR_MODE_TCP, NULL }, /* srv_conn */
{ "rc", LOG_RETRIES, PR_MODE_TCP, NULL }, /* retries */
{ "sq", LOG_SRVQUEUE, PR_MODE_TCP, NULL }, /* srv_queue */
{ "bq", LOG_BCKQUEUE, PR_MODE_TCP, NULL }, /* backend_queue */
{ "hr", LOG_HDRREQUEST, PR_MODE_HTTP, NULL }, /* header request */
{ "hs", LOG_HDRRESPONS, PR_MODE_HTTP, NULL }, /* header response */
{ "hrl", LOG_HDRREQUESTLIST, PR_MODE_HTTP, NULL }, /* header request list */
{ "hsl", LOG_HDRRESPONSLIST, PR_MODE_HTTP, NULL }, /* header response list */
{ "r", LOG_REQ, PR_MODE_HTTP, NULL }, /* request */
{ "o", LOG_FMT_GLOBAL, PR_MODE_TCP, NULL }, /* global option */
{ "Ci", LOG_FMT_CLIENTIP, PR_MODE_TCP, NULL }, /* client ip */
{ "Cp", LOG_FMT_CLIENTPORT, PR_MODE_TCP, NULL }, /* client port */
{ "Bp", LOG_FMT_BACKENDPORT, PR_MODE_TCP, prepare_addrsource }, /* backend source port */
{ "Bi", LOG_FMT_BACKENDIP, PR_MODE_TCP, prepare_addrsource }, /* backend source ip */
{ "t", LOG_FMT_DATE, PR_MODE_TCP, NULL }, /* date */
{ "T", LOG_FMT_DATEGMT, PR_MODE_TCP, NULL }, /* date GMT */
{ "ms", LOG_FMT_MS, PR_MODE_TCP, NULL }, /* accept date millisecond */
{ "f", LOG_FMT_FRONTEND, PR_MODE_TCP, NULL }, /* frontend */
{ "b", LOG_FMT_BACKEND, PR_MODE_TCP, NULL }, /* backend */
{ "s", LOG_FMT_SERVER, PR_MODE_TCP, NULL }, /* server */
{ "B", LOG_FMT_BYTES, PR_MODE_TCP, NULL }, /* bytes read */
{ "Tq", LOG_FMT_TQ, PR_MODE_HTTP, NULL }, /* Tq */
{ "Tw", LOG_FMT_TW, PR_MODE_TCP, NULL }, /* Tw */
{ "Tc", LOG_FMT_TC, PR_MODE_TCP, NULL }, /* Tc */
{ "Tr", LOG_FMT_TR, PR_MODE_HTTP, NULL }, /* Tr */
{ "Tt", LOG_FMT_TT, PR_MODE_TCP, NULL }, /* Tt */
{ "st", LOG_FMT_STATUS, PR_MODE_HTTP, NULL }, /* status code */
{ "cc", LOG_FMT_CCLIENT, PR_MODE_HTTP, NULL }, /* client cookie */
{ "cs", LOG_FMT_CSERVER, PR_MODE_HTTP, NULL }, /* server cookie */
{ "ts", LOG_FMT_TERMSTATE, PR_MODE_TCP, NULL },/* terminaison state */
{ "tsc", LOG_FMT_TERMSTATE_CK, PR_MODE_TCP, NULL },/* terminaison state */
{ "ac", LOG_FMT_ACTCONN, PR_MODE_TCP, NULL }, /* actconn */
{ "fc", LOG_FMT_FECONN, PR_MODE_TCP, NULL }, /* feconn */
{ "bc", LOG_FMT_BECONN, PR_MODE_TCP, NULL }, /* beconn */
{ "sc", LOG_FMT_SRVCONN, PR_MODE_TCP, NULL }, /* srv_conn */
{ "rc", LOG_FMT_RETRIES, PR_MODE_TCP, NULL }, /* retries */
{ "sq", LOG_FMT_SRVQUEUE, PR_MODE_TCP, NULL }, /* srv_queue */
{ "bq", LOG_FMT_BCKQUEUE, PR_MODE_TCP, NULL }, /* backend_queue */
{ "hr", LOG_FMT_HDRREQUEST, PR_MODE_HTTP, NULL }, /* header request */
{ "hs", LOG_FMT_HDRRESPONS, PR_MODE_HTTP, NULL }, /* header response */
{ "hrl", LOG_FMT_HDRREQUESTLIST, PR_MODE_HTTP, NULL }, /* header request list */
{ "hsl", LOG_FMT_HDRRESPONSLIST, PR_MODE_HTTP, NULL }, /* header response list */
{ "r", LOG_FMT_REQ, PR_MODE_HTTP, NULL }, /* request */
{ 0, 0, 0, NULL }
};
@ -188,7 +188,7 @@ int parse_logformat_var_args(char *args, struct logformat_node *node)
* Parse a variable '%varname' or '%{args}varname' in logformat
*
*/
int parse_logformat_var(char *str, size_t len, struct proxy *curproxy, int *defoptions)
int parse_logformat_var(char *str, size_t len, struct proxy *curproxy, struct list *list_format, int *defoptions)
{
int i, j;
char *arg = NULL; // arguments
@ -218,7 +218,7 @@ int parse_logformat_var(char *str, size_t len, struct proxy *curproxy, int *defo
node->options = *defoptions;
node->arg = arg;
parse_logformat_var_args(node->arg, node);
if (node->type == LOG_GLOBAL) {
if (node->type == LOG_FMT_GLOBAL) {
*defoptions = node->options;
free(node);
} else {
@ -227,7 +227,7 @@ int parse_logformat_var(char *str, size_t len, struct proxy *curproxy, int *defo
return -1;
}
}
LIST_ADDQ(&curproxy->logformat, &node->list);
LIST_ADDQ(list_format, &node->list);
}
return 0;
} else {
@ -253,28 +253,27 @@ int parse_logformat_var(char *str, size_t len, struct proxy *curproxy, int *defo
* start: start pointer
* end: end text pointer
* type: string type
* list_format: destination list
*
* LOG_TEXT: copy chars from start to end excluding end.
*
*/
void add_to_logformat_list(char *start, char *end, int type, struct proxy *curproxy)
void add_to_logformat_list(char *start, char *end, int type, struct list *list_format)
{
char *str;
if (type == LOG_TEXT) { /* type text */
if (type == LOG_FMT_TEXT) { /* type text */
struct logformat_node *node = calloc(1, sizeof(struct logformat_node));
str = calloc(end - start + 1, 1);
strncpy(str, start, end - start);
str[end - start] = '\0';
node->arg = str;
node->type = LOG_TEXT; // type string
LIST_ADDQ(&curproxy->logformat, &node->list);
} else if (type == LOG_SEPARATOR) {
node->type = LOG_FMT_TEXT; // type string
LIST_ADDQ(list_format, &node->list);
} else if (type == LOG_FMT_SEPARATOR) {
struct logformat_node *node = calloc(1, sizeof(struct logformat_node));
node->type = LOG_SEPARATOR;
LIST_ADDQ(&curproxy->logformat, &node->list);
node->type = LOG_FMT_SEPARATOR;
LIST_ADDQ(list_format, &node->list);
}
}
@ -282,8 +281,13 @@ void add_to_logformat_list(char *start, char *end, int type, struct proxy *curpr
* Parse the log_format string and fill a linked list.
* Variable name are preceded by % and composed by characters [a-zA-Z0-9]* : %varname
* You can set arguments using { } : %{many arguments}varname
*
* str: the string to parse
* curproxy: the proxy affected
* list_format: the destination list
* capabilities: PR_MODE_TCP_ | PR_MODE_HTTP
*/
void parse_logformat_string(char *str, struct proxy *curproxy)
void parse_logformat_string(char *str, struct proxy *curproxy, struct list *list_format, int capabilities)
{
char *sp = str; /* start pointer */
int cformat = -1; /* current token format : LOG_TEXT, LOG_SEPARATOR, LOG_VARIABLE */
@ -292,7 +296,7 @@ void parse_logformat_string(char *str, struct proxy *curproxy)
int options = 0;
/* flush the list first. */
list_for_each_entry_safe(tmplf, back, &curproxy->logformat, list) {
list_for_each_entry_safe(tmplf, back, list_format, list) {
LIST_DEL(&tmplf->list);
free(tmplf);
}
@ -308,9 +312,9 @@ void parse_logformat_string(char *str, struct proxy *curproxy)
if (pformat > LF_VAR) // unfinished string
pformat = LF_TEXT;
if (pformat == LF_VAR)
parse_logformat_var(sp, str - sp, curproxy, &options);
parse_logformat_var(sp, str - sp, curproxy, list_format, &options);
else
add_to_logformat_list(sp, str, pformat, curproxy);
add_to_logformat_list(sp, str, pformat, list_format);
sp = str;
if (*str == '\0')
break;
@ -482,7 +486,6 @@ char *logformat_write_string(char *dst, char *src, size_t size, struct logformat
*(dst++) = '"';
*(dst++) = '"';
*dst = '\0';
node->options |= LOG_OPT_WRITTEN;
} else {
dst = NULL;
return dst;
@ -491,7 +494,6 @@ char *logformat_write_string(char *dst, char *src, size_t size, struct logformat
if (size > 1) {
*(dst++) = '-';
*dst = '\0';
node->options |= LOG_OPT_WRITTEN;
} else { // error no space available
dst = NULL;
return dst;
@ -693,27 +695,26 @@ const char sess_set_cookie[8] = "NPDIRU67"; /* No set-cookie, Set-cookie found a
Set-cookie Deleted, Set-Cookie Inserted, Set-cookie Rewritten,
Set-cookie Updated, unknown, unknown */
/*
* try to write a character if there is enough space, or goto out
*/
#define LOGCHAR(x) do { \
if (tmplog < logline + MAX_SYSLOG_LEN - 1) { \
if (tmplog < dst + maxsize - 1) { \
*(tmplog++) = (x); \
} else { \
goto out; \
} \
} while(0)
/*
* send a log for the session when we have enough info about it.
* Will not log if the frontend has no log defined.
*/
void sess_log(struct session *s)
int build_logline(struct session *s, char *dst, size_t maxsize, struct list *list_format)
{
char pn[INET6_ADDRSTRLEN];
char sn[INET6_ADDRSTRLEN];
struct proxy *fe = s->fe;
struct proxy *be = s->be;
struct proxy *prx_log;
struct http_txn *txn = &s->txn;
int tolog, level, err;
int tolog;
char *uri;
const char *svid;
struct tm tm;
@ -721,27 +722,10 @@ void sess_log(struct session *s)
int hdr;
int last_isspace = 1;
char *tmplog;
char *ret;
int iret;
struct logformat_node *tmp;
/* if we don't want to log normal traffic, return now */
err = (s->flags & (SN_ERR_MASK | SN_REDISP)) ||
(s->req->cons->conn_retries != be->conn_retries) ||
((s->fe->mode == PR_MODE_HTTP) && txn->status >= 500);
if (!err && (fe->options2 & PR_O2_NOLOGNORM))
return;
if (LIST_ISEMPTY(&fe->logsrvs))
return;
prx_log = fe;
if (addr_to_str(&s->req->prod->addr.from, pn, sizeof(pn)) == AF_UNIX)
snprintf(pn, sizeof(pn), "unix:%d", s->listener->luid);
if (be->options2 & PR_O2_SRC_ADDR) {
if (addr_to_str(&s->req->cons->addr.from, sn, sizeof(sn)) == AF_UNIX)
snprintf(sn, sizeof(sn), "unix:%d", s->listener->luid);
}
/* FIXME: let's limit ourselves to frontend logging for now. */
tolog = fe->to_log;
@ -763,85 +747,94 @@ void sess_log(struct session *s)
if (tv_isge(&s->logs.tv_request, &s->logs.tv_accept))
t_request = tv_ms_elapsed(&s->logs.tv_accept, &s->logs.tv_request);
level = LOG_INFO;
if (err && (fe->options2 & PR_O2_LOGERRORS))
level = LOG_ERR;
tmplog = dst;
/* fill logbuffer */
if (LIST_ISEMPTY(list_format))
return 0;
tmplog = update_log_hdr(); /* update log header and skip it */
list_for_each_entry(tmp, &fe->logformat, list) {
list_for_each_entry(tmp, list_format, list) {
char *src = NULL;
switch (tmp->type) {
case LOG_SEPARATOR:
case LOG_FMT_SEPARATOR:
if (!last_isspace) {
LOGCHAR(' ');
last_isspace = 1;
*tmplog = '\0';
}
break;
case LOG_TEXT: // text
case LOG_FMT_TEXT: // text
src = tmp->arg;
tmplog += strlcpy2(tmplog, src, MAX_SYSLOG_LEN - (tmplog - logline));
if (tmplog > logline + MAX_SYSLOG_LEN - 2)
iret = strlcpy2(tmplog, src, maxsize - (tmplog - dst));
if (iret == 0)
goto out;
tmplog += iret;
last_isspace = 0;
break;
case LOG_CLIENTIP: // %Ci
case LOG_FMT_CLIENTIP: // %Ci
/* client addr */
if (addr_to_str(&s->req->prod->addr.from, pn, sizeof(pn)) == AF_UNIX)
snprintf(pn, sizeof(pn), "unix:%d", s->listener->luid);
src = (s->req->prod->addr.from.ss_family == AF_UNIX) ? "unix" : pn;
tmplog = logformat_write_string(tmplog, src, MAX_SYSLOG_LEN - (tmplog - logline), tmp);
if (!tmplog)
ret = logformat_write_string(tmplog, src, maxsize - (tmplog - dst), tmp);
if (ret == NULL)
goto out;
tmplog = ret;
last_isspace = 0;
break;
case LOG_CLIENTPORT: // %Cp
tmplog = ltoa_o((s->req->prod->addr.from.ss_family == AF_UNIX) ? s->listener->luid : get_host_port(&s->req->prod->addr.from),
tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
case LOG_FMT_CLIENTPORT: // %Cp
ret = ltoa_o((s->req->prod->addr.from.ss_family == AF_UNIX) ?
s->listener->luid : get_host_port(&s->req->prod->addr.from),
tmplog, maxsize - (tmplog - dst));
if (ret == NULL)
goto out;
tmplog = ret;
last_isspace = 0;
break;
case LOG_SOURCEIP: // Bi
src = (s->req->cons->addr.from.ss_family == AF_UNIX) ? "unix" : sn;
tmplog = logformat_write_string(tmplog, src, MAX_SYSLOG_LEN - (tmplog - logline), tmp);
if (!tmplog)
case LOG_FMT_BACKENDIP: // %Bi
/* backend addr */
if (be->options2 & PR_O2_SRC_ADDR)
addr_to_str(&s->req->cons->addr.from, pn, sizeof(pn));
ret = logformat_write_string(tmplog, pn, maxsize - (tmplog - dst), tmp);
if (ret == NULL)
goto out;
tmplog = ret;
last_isspace = 0;
break;
case LOG_SOURCEPORT: // %Bp
tmplog = ltoa_o((s->req->cons->addr.from.ss_family == AF_UNIX) ? s->listener->luid : get_host_port(&s->req->cons->addr.from),
tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
case LOG_FMT_BACKENDPORT: // %Bp
ret = ltoa_o(get_host_port(&s->req->cons->addr.from),
tmplog, maxsize - (tmplog - dst));
if (ret == NULL)
goto out;
tmplog = ret;
last_isspace = 0;
break;
case LOG_DATE: // %t
case LOG_FMT_DATE: // %t
get_localtime(s->logs.accept_date.tv_sec, &tm);
tmplog = date2str_log(tmplog, &tm, &(s->logs.accept_date), MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
ret = date2str_log(tmplog, &tm, &(s->logs.accept_date), maxsize - (tmplog - dst));
if (ret == NULL)
goto out;
tmplog = ret;
last_isspace = 0;
break;
case LOG_DATEGMT: // %T
case LOG_FMT_DATEGMT: // %T
get_gmtime(s->logs.accept_date.tv_sec, &tm);
tmplog = gmt2str_log(tmplog, &tm, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
ret = gmt2str_log(tmplog, &tm, maxsize - (tmplog - dst));
if (ret == NULL)
goto out;
tmplog = ret;
last_isspace = 0;
break;
case LOG_MS: // %ms
if ((MAX_SYSLOG_LEN - (tmplog - logline)) < 4) {
tmplog = NULL;
case LOG_FMT_MS: // %ms
if ((maxsize - (tmplog - dst)) < 4) {
goto out;
}
tmplog = utoa_pad((unsigned int)s->logs.accept_date.tv_usec/1000,
@ -851,167 +844,192 @@ void sess_log(struct session *s)
last_isspace = 0;
break;
case LOG_FRONTEND: // %f
case LOG_FMT_FRONTEND: // %f
src = fe->id;
tmplog = logformat_write_string(tmplog, src, MAX_SYSLOG_LEN - (tmplog - logline), tmp);
if (!tmplog)
ret = logformat_write_string(tmplog, src, maxsize - (tmplog - dst), tmp);
if (ret == NULL)
goto out;
tmplog = ret;
last_isspace = 0;
break;
case LOG_BACKEND: // %b
case LOG_FMT_BACKEND: // %b
src = be->id;
tmplog = logformat_write_string(tmplog, src, MAX_SYSLOG_LEN - (tmplog - logline), tmp);
if (!tmplog)
ret = logformat_write_string(tmplog, src, maxsize - (tmplog - dst), tmp);
if (ret == NULL)
goto out;
tmplog = ret;
last_isspace = 0;
break;
case LOG_SERVER: // %s
case LOG_FMT_SERVER: // %s
src = (char *)svid;
tmplog = logformat_write_string(tmplog, src, MAX_SYSLOG_LEN - (tmplog - logline), tmp);
if (!tmplog)
ret = logformat_write_string(tmplog, src, maxsize - (tmplog - dst), tmp);
if (ret == NULL)
goto out;
tmplog = ret;
last_isspace = 0;
break;
case LOG_TQ: // %Tq
tmplog = ltoa_o(t_request, tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
case LOG_FMT_TQ: // %Tq
ret = ltoa_o(t_request, tmplog, maxsize - (tmplog - dst));
if (ret == NULL)
goto out;
tmplog = ret;
last_isspace = 0;
break;
case LOG_TW: // %Tw
tmplog = ltoa_o((s->logs.t_queue >= 0) ? s->logs.t_queue - t_request : -1, tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
case LOG_FMT_TW: // %Tw
ret = ltoa_o((s->logs.t_queue >= 0) ? s->logs.t_queue - t_request : -1,
tmplog, maxsize - (tmplog - dst));
if (ret == NULL)
goto out;
tmplog = ret;
last_isspace = 0;
break;
case LOG_TC: // %Tc
tmplog = ltoa_o((s->logs.t_connect >= 0) ? s->logs.t_connect - s->logs.t_queue : -1, tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
case LOG_FMT_TC: // %Tc
ret = ltoa_o((s->logs.t_connect >= 0) ? s->logs.t_connect - s->logs.t_queue : -1,
tmplog, maxsize - (tmplog - dst));
if (ret == NULL)
goto out;
tmplog = ret;
last_isspace = 0;
break;
case LOG_TR: // %Tr
tmplog = ltoa_o((s->logs.t_data >= 0) ? s->logs.t_data - s->logs.t_connect : -1, tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
case LOG_FMT_TR: // %Tr
ret = ltoa_o((s->logs.t_data >= 0) ? s->logs.t_data - s->logs.t_connect : -1,
tmplog, maxsize - (tmplog - dst));
if (ret == NULL)
goto out;
tmplog = ret;
last_isspace = 0;
break;
case LOG_TT: // %Tt
case LOG_FMT_TT: // %Tt
if (!(tolog & LW_BYTES))
*(tmplog++) = '+';
tmplog = ltoa_o(s->logs.t_close, tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
LOGCHAR('+');
ret = ltoa_o(s->logs.t_close, tmplog, maxsize - (tmplog - dst));
if (ret == NULL)
goto out;
tmplog = ret;
last_isspace = 0;
break;
case LOG_STATUS: // %st
tmplog = ltoa_o(txn->status, tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
case LOG_FMT_STATUS: // %st
ret = ltoa_o(txn->status, tmplog, maxsize - (tmplog - dst));
if (ret == NULL)
goto out;
tmplog = ret;
last_isspace = 0;
break;
case LOG_BYTES: // %B
case LOG_FMT_BYTES: // %B
if (!(tolog & LW_BYTES))
*(tmplog++) = '+';
tmplog = lltoa(s->logs.bytes_out, tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
LOGCHAR('+');
ret = lltoa(s->logs.bytes_out, tmplog, maxsize - (tmplog - dst));
if (ret == NULL)
goto out;
tmplog = ret;
last_isspace = 0;
break;
case LOG_CCLIENT: // %cc
case LOG_FMT_CCLIENT: // %cc
src = txn->cli_cookie;
tmplog = logformat_write_string(tmplog, src, MAX_SYSLOG_LEN - (tmplog - logline), tmp);
if (!tmplog)
ret = logformat_write_string(tmplog, src, maxsize - (tmplog - dst), tmp);
if (ret == NULL)
goto out;
tmplog = ret;
last_isspace = 0;
break;
case LOG_CSERVER: // %cs
case LOG_FMT_CSERVER: // %cs
src = txn->srv_cookie;
tmplog = logformat_write_string(tmplog, src, MAX_SYSLOG_LEN - (tmplog - logline), tmp);
if (!tmplog)
ret = logformat_write_string(tmplog, src, maxsize - (tmplog - dst), tmp);
if (ret == NULL)
goto out;
tmplog = ret;
last_isspace = 0;
break;
case LOG_TERMSTATE: // %ts
case LOG_FMT_TERMSTATE: // %ts
LOGCHAR(sess_term_cond[(s->flags & SN_ERR_MASK) >> SN_ERR_SHIFT]);
LOGCHAR(sess_fin_state[(s->flags & SN_FINST_MASK) >> SN_FINST_SHIFT]);
*tmplog = '\0';
last_isspace = 0;
break;
case LOG_TERMSTATE_CK: // %tsc, same as TS with cookie state (for mode HTTP)
case LOG_FMT_TERMSTATE_CK: // %tsc, same as TS with cookie state (for mode HTTP)
LOGCHAR(sess_term_cond[(s->flags & SN_ERR_MASK) >> SN_ERR_SHIFT]);
LOGCHAR(sess_fin_state[(s->flags & SN_FINST_MASK) >> SN_FINST_SHIFT]);
LOGCHAR((be->options & PR_O_COOK_ANY) ? sess_cookie[(txn->flags & TX_CK_MASK) >> TX_CK_SHIFT] : '-');
LOGCHAR((be->options & PR_O_COOK_ANY) ? sess_set_cookie[(txn->flags & TX_SCK_MASK) >> TX_SCK_SHIFT] : '-');
*tmplog = '\0';
last_isspace = 0;
break;
case LOG_ACTCONN: // %ac
tmplog = ltoa_o(actconn, tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
case LOG_FMT_ACTCONN: // %ac
ret = ltoa_o(actconn, tmplog, maxsize - (tmplog - dst));
if (ret == NULL)
goto out;
tmplog = ret;
last_isspace = 0;
break;
case LOG_FECONN: // %fc
tmplog = ltoa_o(fe->feconn, tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
case LOG_FMT_FECONN: // %fc
ret = ltoa_o(fe->feconn, tmplog, maxsize - (tmplog - dst));
if (ret == NULL)
goto out;
tmplog = ret;
last_isspace = 0;
break;
case LOG_BECONN: // %bc
tmplog = ltoa_o(be->beconn, tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
case LOG_FMT_BECONN: // %bc
ret = ltoa_o(be->beconn, tmplog, maxsize - (tmplog - dst));
if (ret == NULL)
goto out;
tmplog = ret;
last_isspace = 0;
break;
case LOG_SRVCONN: // %sc
tmplog = ultoa_o(target_srv(&s->target) ? target_srv(&s->target)->cur_sess : 0, tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
case LOG_FMT_SRVCONN: // %sc
ret = ultoa_o(target_srv(&s->target) ?
target_srv(&s->target)->cur_sess :
0, tmplog, maxsize - (tmplog - dst));
if (ret == NULL)
goto out;
tmplog = ret;
last_isspace = 0;
break;
case LOG_RETRIES: // %rq
case LOG_FMT_RETRIES: // %rq
if (s->flags & SN_REDISP)
*(tmplog++) = '+';
tmplog = ltoa_o((s->req->cons->conn_retries>0)?(be->conn_retries - s->req->cons->conn_retries):be->conn_retries, tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
LOGCHAR('+');
ret = ltoa_o((s->req->cons->conn_retries>0) ?
(be->conn_retries - s->req->cons->conn_retries) :
be->conn_retries, tmplog, maxsize - (tmplog - dst));
if (ret == NULL)
goto out;
tmplog = ret;
last_isspace = 0;
break;
case LOG_SRVQUEUE: // %sq
tmplog = ltoa_o(s->logs.srv_queue_size, tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
case LOG_FMT_SRVQUEUE: // %sq
ret = ltoa_o(s->logs.srv_queue_size, tmplog, maxsize - (tmplog - dst));
if (ret == NULL)
goto out;
tmplog = ret;
last_isspace = 0;
break;
case LOG_BCKQUEUE: // %bq
tmplog = ltoa_o(s->logs.prx_queue_size, tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
case LOG_FMT_BCKQUEUE: // %bq
ret = ltoa_o(s->logs.prx_queue_size, tmplog, maxsize - (tmplog - dst));
if (ret == NULL)
goto out;
tmplog = ret;
last_isspace = 0;
break;
case LOG_HDRREQUEST: // %hr
case LOG_FMT_HDRREQUEST: // %hr
/* request header */
if (fe->to_log & LW_REQHDR && txn->req.cap) {
if (tmp->options & LOG_OPT_QUOTE)
@ -1021,21 +1039,23 @@ void sess_log(struct session *s)
if (hdr)
LOGCHAR('|');
if (txn->req.cap[hdr] != NULL) {
tmplog = encode_string(tmplog, logline + MAX_SYSLOG_LEN,
ret = encode_string(tmplog, dst + maxsize,
'#', hdr_encode_map, txn->req.cap[hdr]);
if (*tmplog != '\0')
if (ret == NULL || *ret != '\0')
goto out;
tmplog = ret;
}
}
LOGCHAR('}');
if (tmp->options & LOG_OPT_QUOTE)
LOGCHAR('"');
last_isspace = 0;
if (tmp->options & LOG_OPT_QUOTE)
LOGCHAR('"');
}
*tmplog = '\0';
break;
case LOG_HDRREQUESTLIST: // %hrl
case LOG_FMT_HDRREQUESTLIST: // %hrl
/* request header list */
if (fe->to_log & LW_REQHDR && txn->req.cap) {
for (hdr = 0; hdr < fe->nb_req_cap; hdr++) {
@ -1044,22 +1064,22 @@ void sess_log(struct session *s)
if (tmp->options & LOG_OPT_QUOTE)
LOGCHAR('"');
if (txn->req.cap[hdr] != NULL) {
tmplog = encode_string(tmplog, logline + MAX_SYSLOG_LEN,
ret = encode_string(tmplog, dst + maxsize,
'#', hdr_encode_map, txn->req.cap[hdr]);
if (*tmplog != '\0')
if (ret == NULL || *ret != '\0')
goto out;
tmplog = ret;
} else if (!(tmp->options & LOG_OPT_QUOTE))
LOGCHAR('-');
if (tmp->options & LOG_OPT_QUOTE)
LOGCHAR('"');
*tmplog = '\0';
last_isspace = 0;
}
}
break;
case LOG_HDRRESPONS: // %hs
case LOG_FMT_HDRRESPONS: // %hs
/* response header */
if (fe->to_log & LW_RSPHDR &&
txn->rsp.cap) {
@ -1070,10 +1090,11 @@ void sess_log(struct session *s)
if (hdr)
LOGCHAR('|');
if (txn->rsp.cap[hdr] != NULL) {
tmplog = encode_string(tmplog, logline + MAX_SYSLOG_LEN,
'#', hdr_encode_map, txn->rsp.cap[hdr]);
if (*tmplog != '\0')
ret = encode_string(tmplog, dst + maxsize,
'#', hdr_encode_map, txn->rsp.cap[hdr]);
if (ret == NULL || *ret != '\0')
goto out;
tmplog = ret;
}
}
LOGCHAR('}');
@ -1081,10 +1102,9 @@ void sess_log(struct session *s)
if (tmp->options & LOG_OPT_QUOTE)
LOGCHAR('"');
}
*tmplog = '\0';
break;
case LOG_HDRRESPONSLIST: // %hsl
case LOG_FMT_HDRRESPONSLIST: // %hsl
/* response header list */
if (fe->to_log & LW_RSPHDR && txn->rsp.cap) {
for (hdr = 0; hdr < fe->nb_rsp_cap; hdr++) {
@ -1093,50 +1113,77 @@ void sess_log(struct session *s)
if (tmp->options & LOG_OPT_QUOTE)
LOGCHAR('"');
if (txn->rsp.cap[hdr] != NULL) {
tmplog = encode_string(tmplog, logline + MAX_SYSLOG_LEN,
'#', hdr_encode_map, txn->rsp.cap[hdr]);
if (*tmplog != '\0')
ret = encode_string(tmplog, dst + maxsize,
'#', hdr_encode_map, txn->rsp.cap[hdr]);
if (ret == NULL || *ret != '\0')
goto out;
tmplog = ret;
} else if (!(tmp->options & LOG_OPT_QUOTE))
LOGCHAR('-');
if (tmp->options & LOG_OPT_QUOTE)
LOGCHAR('"');
*tmplog = '\0';
last_isspace = 0;
}
}
break;
case LOG_REQ: // %r
case LOG_FMT_REQ: // %r
/* Request */
if (tmp->options & LOG_OPT_QUOTE)
LOGCHAR('"');
uri = txn->uri ? txn->uri : "<BADREQ>";
tmplog = encode_string(tmplog, logline + MAX_SYSLOG_LEN,
ret = encode_string(tmplog, dst + maxsize,
'#', url_encode_map, uri);
if (*tmplog != '\0')
if (ret == NULL || *ret != '\0')
goto out;
tmplog = ret;
if (tmp->options & LOG_OPT_QUOTE)
LOGCHAR('"');
*tmplog = '\0';
last_isspace = 0;
break;
}
}
out:
/* *tmplog is a unused character */
*tmplog = '\0';
if (tmplog == NULL) // if previous error
tmplog = logline + MAX_SYSLOG_LEN - 1;
__send_log(prx_log, level, logline, tmplog - logline + 1);
s->logs.logwait = 0;
return tmplog - dst + 1;
}
/*
* send a log for the session when we have enough info about it.
* Will not log if the frontend has no log defined.
*/
void sess_log(struct session *s)
{
char *tmplog;
int size, err, level;
/* if we don't want to log normal traffic, return now */
err = (s->flags & (SN_ERR_MASK | SN_REDISP)) ||
(s->req->cons->conn_retries != s->be->conn_retries) ||
((s->fe->mode == PR_MODE_HTTP) && s->txn.status >= 500);
if (!err && (s->fe->options2 & PR_O2_NOLOGNORM))
return;
if (LIST_ISEMPTY(&s->fe->logsrvs))
return;
level = LOG_INFO;
if (err && (s->fe->options2 & PR_O2_LOGERRORS))
level = LOG_ERR;
tmplog = update_log_hdr();
size = tmplog - logline;
size += build_logline(s, tmplog, sizeof(logline) - size, &s->fe->logformat);
if (size > 0) {
__send_log(s->fe, level, logline, size);
s->logs.logwait = 0;
}
}
/*
* Local variables: