MEDIUM: config: move the common "bind" settings to listener.c

These ones are better placed in listener.c than in cfgparse.c, by relying
on the bind keyword registration subsystem.
This commit is contained in:
Willy Tarreau 2012-09-18 17:17:28 +02:00
parent dda322dec0
commit 3dcc341720
2 changed files with 163 additions and 141 deletions

View File

@ -1711,147 +1711,6 @@ int cfg_parse_listen(const char *file, int linenum, char **args, int kwm)
while (*(args[cur_arg])) {
struct bind_kw *kw;
if (!strcmp(args[cur_arg], "maxconn")) {
struct listener *l;
int val;
if (!*args[cur_arg + 1]) {
Alert("parsing [%s:%d] : '%s %s' : missing maxconn value.\n",
file, linenum, args[0], args[1]);
err_code |= ERR_ALERT | ERR_FATAL;
goto out;
}
val = atol(args[cur_arg + 1]);
if (val <= 0) {
Alert("parsing [%s:%d] : '%s %s' : invalid maxconn value %d, must be > 0.\n",
file, linenum, args[0], args[1], val);
err_code |= ERR_ALERT | ERR_FATAL;
goto out;
}
for (l = curproxy->listen; l != last_listen; l = l->next)
l->maxconn = val;
cur_arg += 2;
continue;
}
if (!strcmp(args[cur_arg], "backlog")) {
struct listener *l;
int val;
if (!*args[cur_arg + 1]) {
Alert("parsing [%s:%d] : '%s %s' : missing backlog value.\n",
file, linenum, args[0], args[1]);
err_code |= ERR_ALERT | ERR_FATAL;
goto out;
}
val = atol(args[cur_arg + 1]);
if (val <= 0) {
Alert("parsing [%s:%d] : '%s %s' : invalid backlog value %d, must be > 0.\n",
file, linenum, args[0], args[1], val);
err_code |= ERR_ALERT | ERR_FATAL;
goto out;
}
for (l = curproxy->listen; l != last_listen; l = l->next)
l->backlog = val;
cur_arg += 2;
continue;
}
if (!strcmp(args[cur_arg], "nice")) {
struct listener *l;
int val;
if (!*args[cur_arg + 1]) {
Alert("parsing [%s:%d] : '%s %s' : missing nice value.\n",
file, linenum, args[0], args[1]);
err_code |= ERR_ALERT | ERR_FATAL;
goto out;
}
val = atol(args[cur_arg + 1]);
if (val < -1024 || val > 1024) {
Alert("parsing [%s:%d] : '%s %s' : invalid nice value %d, allowed range is -1024..1024.\n",
file, linenum, args[0], args[1], val);
err_code |= ERR_ALERT | ERR_FATAL;
goto out;
}
for (l = curproxy->listen; l != last_listen; l = l->next)
l->nice = val;
cur_arg += 2;
continue;
}
if (!strcmp(args[cur_arg], "accept-proxy")) { /* expect a 'PROXY' line first */
struct listener *l;
for (l = curproxy->listen; l != last_listen; l = l->next)
l->options |= LI_O_ACC_PROXY;
cur_arg ++;
continue;
}
if (!strcmp(args[cur_arg], "name")) {
struct listener *l;
for (l = curproxy->listen; l != last_listen; l = l->next)
l->name = strdup(args[cur_arg + 1]);
cur_arg += 2;
continue;
}
if (!strcmp(args[cur_arg], "id")) {
struct eb32_node *node;
struct listener *l;
if (curproxy->listen->next != last_listen) {
Alert("parsing [%s:%d]: '%s %s' : '%s' can be only used with a single socket.\n",
file, linenum, args[0], args[1], args[cur_arg]);
err_code |= ERR_ALERT | ERR_FATAL;
goto out;
}
if (!*args[cur_arg + 1]) {
Alert("parsing [%s:%d]: '%s %s' : '%s' expects an integer argument.\n",
file, linenum, args[0], args[1], args[cur_arg]);
err_code |= ERR_ALERT | ERR_FATAL;
goto out;
}
curproxy->listen->luid = atol(args[cur_arg + 1]);
curproxy->listen->conf.id.key = curproxy->listen->luid;
if (curproxy->listen->luid <= 0) {
Alert("parsing [%s:%d]: '%s %s' : custom id has to be > 0\n",
file, linenum, args[0], args[1]);
err_code |= ERR_ALERT | ERR_FATAL;
goto out;
}
node = eb32_lookup(&curproxy->conf.used_listener_id, curproxy->listen->luid);
if (node) {
l = container_of(node, struct listener, conf.id);
Alert("parsing [%s:%d]: '%s %s' : custom id %d already used at %s:%d ('bind %s').\n",
file, linenum, args[0], args[1], l->luid, l->bind_conf->file, l->bind_conf->line,
l->bind_conf->arg);
err_code |= ERR_ALERT | ERR_FATAL;
goto out;
}
eb32_insert(&curproxy->conf.used_listener_id, &curproxy->listen->conf.id);
cur_arg += 2;
continue;
}
if (!strcmp(args[cur_arg], "mode")) {
if (curproxy->listen->addr.ss_family != AF_UNIX) {

View File

@ -479,6 +479,151 @@ acl_fetch_so_id(struct proxy *px, struct session *l4, void *l7, unsigned int opt
return 1;
}
/* parse the "accept-proxy" bind keyword */
static int bind_parse_accept_proxy(char **args, int cur_arg, struct proxy *px, struct listener *last, char **err)
{
struct listener *l;
for (l = px->listen; l != last; l = l->next)
l->options |= LI_O_ACC_PROXY;
return 0;
}
/* parse the "backlog" bind keyword */
static int bind_parse_backlog(char **args, int cur_arg, struct proxy *px, struct listener *last, char **err)
{
struct listener *l;
int val;
if (!*args[cur_arg + 1]) {
if (err)
memprintf(err, "'%s' : missing value", args[cur_arg]);
return ERR_ALERT | ERR_FATAL;
}
val = atol(args[cur_arg + 1]);
if (val <= 0) {
if (err)
memprintf(err, "'%s' : invalid value %d, must be > 0", args[cur_arg], val);
return ERR_ALERT | ERR_FATAL;
}
for (l = px->listen; l != last; l = l->next)
l->backlog = val;
return 0;
}
/* parse the "id" bind keyword */
static int bind_parse_id(char **args, int cur_arg, struct proxy *px, struct listener *last, char **err)
{
struct eb32_node *node;
struct listener *l;
if (px->listen->next != last) {
if (err)
memprintf(err, "'%s' can only be used with a single socket", args[cur_arg]);
return ERR_ALERT | ERR_FATAL;
}
if (!*args[cur_arg + 1]) {
if (err)
memprintf(err, "'%s' : expects an integer argument", args[cur_arg]);
return ERR_ALERT | ERR_FATAL;
}
px->listen->luid = atol(args[cur_arg + 1]);
px->listen->conf.id.key = px->listen->luid;
if (px->listen->luid <= 0) {
if (err)
memprintf(err, "'%s' : custom id has to be > 0", args[cur_arg]);
return ERR_ALERT | ERR_FATAL;
}
node = eb32_lookup(&px->conf.used_listener_id, px->listen->luid);
if (node) {
l = container_of(node, struct listener, conf.id);
if (err)
memprintf(err, "'%s' : custom id %d already used at %s:%d ('bind %s')",
args[cur_arg], l->luid, l->bind_conf->file, l->bind_conf->line,
l->bind_conf->arg);
return ERR_ALERT | ERR_FATAL;
}
eb32_insert(&px->conf.used_listener_id, &px->listen->conf.id);
return 0;
}
/* parse the "maxconn" bind keyword */
static int bind_parse_maxconn(char **args, int cur_arg, struct proxy *px, struct listener *last, char **err)
{
struct listener *l;
int val;
if (!*args[cur_arg + 1]) {
if (err)
memprintf(err, "'%s' : missing value", args[cur_arg]);
return ERR_ALERT | ERR_FATAL;
}
val = atol(args[cur_arg + 1]);
if (val <= 0) {
if (err)
memprintf(err, "'%s' : invalid value %d, must be > 0", args[cur_arg], val);
return ERR_ALERT | ERR_FATAL;
}
for (l = px->listen; l != last; l = l->next)
l->maxconn = val;
return 0;
}
/* parse the "name" bind keyword */
static int bind_parse_name(char **args, int cur_arg, struct proxy *px, struct listener *last, char **err)
{
struct listener *l;
if (!*args[cur_arg + 1]) {
if (err)
memprintf(err, "'%s' : missing name", args[cur_arg]);
return ERR_ALERT | ERR_FATAL;
}
for (l = px->listen; l != last; l = l->next)
l->name = strdup(args[cur_arg + 1]);
return 0;
}
/* parse the "nice" bind keyword */
static int bind_parse_nice(char **args, int cur_arg, struct proxy *px, struct listener *last, char **err)
{
struct listener *l;
int val;
if (!*args[cur_arg + 1]) {
if (err)
memprintf(err, "'%s' : missing value", args[cur_arg]);
return ERR_ALERT | ERR_FATAL;
}
val = atol(args[cur_arg + 1]);
if (val < -1024 || val > 1024) {
if (err)
memprintf(err, "'%s' : invalid value %d, allowed range is -1024..1024", args[cur_arg], val);
return ERR_ALERT | ERR_FATAL;
}
for (l = px->listen; l != last; l = l->next)
l->nice = val;
return 0;
}
/* Note: must not be declared <const> as its list will be overwritten.
* Please take care of keeping this list alphabetically sorted.
*/
@ -488,10 +633,28 @@ static struct acl_kw_list acl_kws = {{ },{
{ NULL, NULL, NULL, NULL },
}};
/* Note: must not be declared <const> as its list will be overwritten.
* Please take care of keeping this list alphabetically sorted, doing so helps
* all code contributors.
* Optional keywords are also declared with a NULL ->parse() function so that
* the config parser can report an appropriate error when a known keyword was
* not enabled.
*/
static struct bind_kw_list bind_kws = {{ },{
{ "accept-proxy", bind_parse_accept_proxy, 0 }, /* enable PROXY protocol */
{ "backlog", bind_parse_backlog, 1 }, /* set backlog of listening socket */
{ "id", bind_parse_id, 1 }, /* set id of listening socket */
{ "maxconn", bind_parse_maxconn, 1 }, /* set maxconn of listening socket */
{ "name", bind_parse_name, 1 }, /* set name of listening socket */
{ "nice", bind_parse_nice, 1 }, /* set nice of listening socket */
{ NULL, NULL, 0 },
}};
__attribute__((constructor))
static void __listener_init(void)
{
acl_register_keywords(&acl_kws);
bind_register_keywords(&bind_kws);
}
/*