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added statistics to the fastcgi module and a simple text/plain reporter to mod_status

git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-merge-1.4.x@914 152afb58-edef-0310-8abb-c4023f1b3aa9
svn/tags/lighttpd-1.4.11
Jan Kneschke 16 years ago
parent
commit
bc95f8024a
  1. 261
      src/mod_fastcgi.c
  2. 40
      src/mod_status.c

261
src/mod_fastcgi.c

@ -84,6 +84,9 @@ typedef struct fcgi_proc {
} fcgi_proc;
typedef struct {
/* the key that is used to reference this value */
buffer *id;
/* list of processes handling this extension
* sorted by lowest load
*
@ -301,6 +304,8 @@ typedef struct {
buffer *path;
buffer *parse_response;
buffer *statuskey;
plugin_config **config_storage;
@ -353,22 +358,74 @@ static handler_t fcgi_handle_fdevent(void *s, void *ctx, int revents);
int fcgi_proclist_sort_down(server *srv, fcgi_extension_host *host, fcgi_proc *proc);
data_integer *status_counter_get_counter(server *srv, const char *s, size_t len) {
data_integer *di;
if (NULL == (di = (data_integer *)array_get_element(srv->status, s))) {
/* not found, create it */
if (NULL == (di = (data_integer *)array_get_unused_element(srv->status, TYPE_INTEGER))) {
di = data_integer_init();
}
buffer_copy_string_len(di->key, s, len);
di->value = 0;
array_insert_unique(srv->status, (data_unset *)di);
}
return di;
}
/* dummies of the statistic framework functions
* they will be moved to a statistics.c later */
int status_counter_inc(server *srv, const char *s, size_t len) {
data_integer *di = status_counter_get_counter(srv, s, len);
di->value++;
return 0;
}
int status_counter_dec(server *srv, const char *s, size_t len) {
data_integer *di = status_counter_get_counter(srv, s, len);
if (di->value > 0) di->value--;
return 0;
}
int status_counter_set(server *srv, const char *s, size_t len, int val) {
data_integer *di = status_counter_get_counter(srv, s, len);
di->value = val;
return 0;
}
int fastcgi_status_copy_procname(buffer *b, fcgi_extension_host *host, fcgi_proc *proc) {
buffer_copy_string(b, "fastcgi.backend.");
buffer_append_string_buffer(b, host->id);
buffer_append_string(b, ".");
buffer_append_long(b, proc->id);
return 0;
}
int fastcgi_status_init(server *srv, buffer *b, fcgi_extension_host *host, fcgi_proc *proc) {
#define CLEAN(x) \
fastcgi_status_copy_procname(b, host, proc); \
buffer_append_string(b, x); \
status_counter_set(srv, CONST_BUF_LEN(b), 0);
CLEAN(".disabled");
CLEAN(".died");
CLEAN(".overloaded");
CLEAN(".connected");
CLEAN(".load");
#undef CLEAN
return 0;
}
static handler_ctx * handler_ctx_init() {
handler_ctx * hctx;
@ -431,6 +488,7 @@ fcgi_extension_host *fastcgi_host_init() {
f = calloc(1, sizeof(*f));
f->id = buffer_init();
f->host = buffer_init();
f->unixsocket = buffer_init();
f->docroot = buffer_init();
@ -445,6 +503,7 @@ fcgi_extension_host *fastcgi_host_init() {
void fastcgi_host_free(fcgi_extension_host *h) {
if (!h) return;
buffer_free(h->id);
buffer_free(h->host);
buffer_free(h->unixsocket);
buffer_free(h->docroot);
@ -558,6 +617,8 @@ INIT_FUNC(mod_fastcgi_init) {
p->path = buffer_init();
p->parse_response = buffer_init();
p->statuskey = buffer_init();
return p;
}
@ -574,6 +635,7 @@ FREE_FUNC(mod_fastcgi_free) {
buffer_free(p->fcgi_env);
buffer_free(p->path);
buffer_free(p->parse_response);
buffer_free(p->statuskey);
if (p->config_storage) {
size_t i, j, n;
@ -1076,7 +1138,7 @@ SETDEFAULTS_FUNC(mod_fastcgi_set_defaults) {
for (n = 0; n < da_ext->value->used; n++) {
data_array *da_host = (data_array *)da_ext->value->data[n];
fcgi_extension_host *df;
fcgi_extension_host *host;
config_values_t fcv[] = {
{ "host", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 0 */
@ -1112,54 +1174,56 @@ SETDEFAULTS_FUNC(mod_fastcgi_set_defaults) {
return HANDLER_ERROR;
}
df = fastcgi_host_init();
host = fastcgi_host_init();
df->check_local = 1;
df->min_procs = 4;
df->max_procs = 4;
df->max_load_per_proc = 1;
df->idle_timeout = 60;
df->mode = FCGI_RESPONDER;
df->disable_time = 60;
df->break_scriptfilename_for_php = 0;
df->allow_xsendfile = 0; /* handle X-LIGHTTPD-send-file */
buffer_copy_string_buffer(host->id, da_host->key);
host->check_local = 1;
host->min_procs = 4;
host->max_procs = 4;
host->max_load_per_proc = 1;
host->idle_timeout = 60;
host->mode = FCGI_RESPONDER;
host->disable_time = 60;
host->break_scriptfilename_for_php = 0;
host->allow_xsendfile = 0; /* handle X-LIGHTTPD-send-file */
fcv[0].destination = df->host;
fcv[1].destination = df->docroot;
fcv[0].destination = host->host;
fcv[1].destination = host->docroot;
fcv[2].destination = fcgi_mode;
fcv[3].destination = df->unixsocket;
fcv[4].destination = df->bin_path;
fcv[3].destination = host->unixsocket;
fcv[4].destination = host->bin_path;
fcv[5].destination = &(df->check_local);
fcv[6].destination = &(df->port);
fcv[7].destination = &(df->min_procs);
fcv[8].destination = &(df->max_procs);
fcv[9].destination = &(df->max_load_per_proc);
fcv[10].destination = &(df->idle_timeout);
fcv[11].destination = &(df->disable_time);
fcv[5].destination = &(host->check_local);
fcv[6].destination = &(host->port);
fcv[7].destination = &(host->min_procs);
fcv[8].destination = &(host->max_procs);
fcv[9].destination = &(host->max_load_per_proc);
fcv[10].destination = &(host->idle_timeout);
fcv[11].destination = &(host->disable_time);
fcv[12].destination = df->bin_env;
fcv[13].destination = df->bin_env_copy;
fcv[14].destination = &(df->break_scriptfilename_for_php);
fcv[15].destination = &(df->allow_xsendfile);
fcv[16].destination = df->strip_request_uri;
fcv[12].destination = host->bin_env;
fcv[13].destination = host->bin_env_copy;
fcv[14].destination = &(host->break_scriptfilename_for_php);
fcv[15].destination = &(host->allow_xsendfile);
fcv[16].destination = host->strip_request_uri;
if (0 != config_insert_values_internal(srv, da_host->value, fcv)) {
return HANDLER_ERROR;
}
if ((!buffer_is_empty(df->host) || df->port) &&
!buffer_is_empty(df->unixsocket)) {
if ((!buffer_is_empty(host->host) || host->port) &&
!buffer_is_empty(host->unixsocket)) {
log_error_write(srv, __FILE__, __LINE__, "s",
"either host+port or socket");
return HANDLER_ERROR;
}
if (!buffer_is_empty(df->unixsocket)) {
if (!buffer_is_empty(host->unixsocket)) {
/* unix domain socket */
if (df->unixsocket->used > UNIX_PATH_MAX - 2) {
if (host->unixsocket->used > UNIX_PATH_MAX - 2) {
log_error_write(srv, __FILE__, __LINE__, "s",
"path of the unixdomain socket is too large");
return HANDLER_ERROR;
@ -1167,8 +1231,8 @@ SETDEFAULTS_FUNC(mod_fastcgi_set_defaults) {
} else {
/* tcp/ip */
if (buffer_is_empty(df->host) &&
buffer_is_empty(df->bin_path)) {
if (buffer_is_empty(host->host) &&
buffer_is_empty(host->bin_path)) {
log_error_write(srv, __FILE__, __LINE__, "sbbbs",
"missing key (string):",
da->key,
@ -1177,7 +1241,7 @@ SETDEFAULTS_FUNC(mod_fastcgi_set_defaults) {
"host");
return HANDLER_ERROR;
} else if (df->port == 0) {
} else if (host->port == 0) {
log_error_write(srv, __FILE__, __LINE__, "sbbbs",
"missing key (short):",
da->key,
@ -1188,37 +1252,37 @@ SETDEFAULTS_FUNC(mod_fastcgi_set_defaults) {
}
}
if (!buffer_is_empty(df->bin_path)) {
if (!buffer_is_empty(host->bin_path)) {
/* a local socket + self spawning */
size_t pno;
/* HACK: just to make sure the adaptive spawing is disabled */
df->min_procs = df->max_procs;
host->min_procs = host->max_procs;
if (df->min_procs > df->max_procs) df->max_procs = df->min_procs;
if (df->max_load_per_proc < 1) df->max_load_per_proc = 0;
if (host->min_procs > host->max_procs) host->max_procs = host->min_procs;
if (host->max_load_per_proc < 1) host->max_load_per_proc = 0;
if (s->debug) {
log_error_write(srv, __FILE__, __LINE__, "ssbsdsbsdsd",
"--- fastcgi spawning local",
"\n\tproc:", df->bin_path,
"\n\tport:", df->port,
"\n\tsocket", df->unixsocket,
"\n\tmin-procs:", df->min_procs,
"\n\tmax-procs:", df->max_procs);
"\n\tproc:", host->bin_path,
"\n\tport:", host->port,
"\n\tsocket", host->unixsocket,
"\n\tmin-procs:", host->min_procs,
"\n\tmax-procs:", host->max_procs);
}
for (pno = 0; pno < df->min_procs; pno++) {
for (pno = 0; pno < host->min_procs; pno++) {
fcgi_proc *proc;
proc = fastcgi_process_init();
proc->id = df->num_procs++;
df->max_id++;
proc->id = host->num_procs++;
host->max_id++;
if (buffer_is_empty(df->unixsocket)) {
proc->port = df->port + pno;
if (buffer_is_empty(host->unixsocket)) {
proc->port = host->port + pno;
} else {
buffer_copy_string_buffer(proc->socket, df->unixsocket);
buffer_copy_string_buffer(proc->socket, host->unixsocket);
buffer_append_string(proc->socket, "-");
buffer_append_long(proc->socket, pno);
}
@ -1226,49 +1290,53 @@ SETDEFAULTS_FUNC(mod_fastcgi_set_defaults) {
if (s->debug) {
log_error_write(srv, __FILE__, __LINE__, "ssdsbsdsd",
"--- fastcgi spawning",
"\n\tport:", df->port,
"\n\tsocket", df->unixsocket,
"\n\tcurrent:", pno, "/", df->min_procs);
"\n\tport:", host->port,
"\n\tsocket", host->unixsocket,
"\n\tcurrent:", pno, "/", host->min_procs);
}
if (fcgi_spawn_connection(srv, p, df, proc)) {
if (fcgi_spawn_connection(srv, p, host, proc)) {
log_error_write(srv, __FILE__, __LINE__, "s",
"[ERROR]: spawning fcgi failed.");
return HANDLER_ERROR;
}
fastcgi_status_init(srv, p->statuskey, host, proc);
proc->next = df->first;
if (df->first) df->first->prev = proc;
proc->next = host->first;
if (host->first) host->first->prev = proc;
df->first = proc;
host->first = proc;
}
} else {
fcgi_proc *fp;
fcgi_proc *proc;
fp = fastcgi_process_init();
fp->id = df->num_procs++;
df->max_id++;
df->active_procs++;
fp->state = PROC_STATE_RUNNING;
proc = fastcgi_process_init();
proc->id = host->num_procs++;
host->max_id++;
host->active_procs++;
proc->state = PROC_STATE_RUNNING;
if (buffer_is_empty(df->unixsocket)) {
fp->port = df->port;
if (buffer_is_empty(host->unixsocket)) {
proc->port = host->port;
} else {
buffer_copy_string_buffer(fp->socket, df->unixsocket);
buffer_copy_string_buffer(proc->socket, host->unixsocket);
}
df->first = fp;
fastcgi_status_init(srv, p->statuskey, host, proc);
host->first = proc;
df->min_procs = 1;
df->max_procs = 1;
host->min_procs = 1;
host->max_procs = 1;
}
if (!buffer_is_empty(fcgi_mode)) {
if (strcmp(fcgi_mode->ptr, "responder") == 0) {
df->mode = FCGI_RESPONDER;
host->mode = FCGI_RESPONDER;
} else if (strcmp(fcgi_mode->ptr, "authorizer") == 0) {
df->mode = FCGI_AUTHORIZER;
if (buffer_is_empty(df->docroot)) {
host->mode = FCGI_AUTHORIZER;
if (buffer_is_empty(host->docroot)) {
log_error_write(srv, __FILE__, __LINE__, "s",
"ERROR: docroot is required for authorizer mode.");
return HANDLER_ERROR;
@ -1279,9 +1347,9 @@ SETDEFAULTS_FUNC(mod_fastcgi_set_defaults) {
fcgi_mode, "(ignored, mode set to responder)");
}
}
/* if extension already exists, take it */
fastcgi_extension_insert(s->exts, da_ext->key, df);
fastcgi_extension_insert(s->exts, da_ext->key, host);
}
}
}
@ -1345,7 +1413,6 @@ static int fcgi_requestid_del(server *srv, plugin_data *p, size_t request_id) {
return 0;
}
void fcgi_connection_close(server *srv, handler_ctx *hctx) {
plugin_data *p;
connection *con;
@ -1378,6 +1445,13 @@ void fcgi_connection_close(server *srv, handler_ctx *hctx) {
/* after the connect the process gets a load */
hctx->proc->load--;
status_counter_dec(srv, CONST_STR_LEN("fastcgi.active-requests"));
fastcgi_status_copy_procname(p->statuskey, hctx->host, hctx->proc);
buffer_append_string(p->statuskey, ".load");
status_counter_set(srv, CONST_BUF_LEN(p->statuskey), hctx->proc->load);
if (p->conf.debug) {
log_error_write(srv, __FILE__, __LINE__, "sddb",
"release proc:",
@ -2569,7 +2643,10 @@ static int fcgi_restart_dead_procs(server *srv, plugin_data *p, fcgi_extension_h
proc->state = PROC_STATE_RUNNING;
host->active_procs++;
status_counter_set(srv, CONST_STR_LEN("fastcgi.backend.<hostid>.disable"), 0);
fastcgi_status_copy_procname(p->statuskey, host, proc);
buffer_append_string(p->statuskey, ".disabled");
status_counter_set(srv, CONST_BUF_LEN(p->statuskey), 0);
log_error_write(srv, __FILE__, __LINE__, "sbdb",
"fcgi-server re-enabled:",
@ -2681,7 +2758,10 @@ static handler_t fcgi_write_request(server *srv, handler_ctx *hctx) {
hctx->proc->disabled_until = srv->cur_ts + 10;
status_counter_inc(srv, CONST_STR_LEN("fastcgi.backend.<hostid>.died"));
fastcgi_status_copy_procname(p->statuskey, hctx->host, hctx->proc);
buffer_append_string(p->statuskey, ".died");
status_counter_inc(srv, CONST_BUF_LEN(p->statuskey));
return HANDLER_ERROR;
}
@ -2761,7 +2841,10 @@ static handler_t fcgi_write_request(server *srv, handler_ctx *hctx) {
hctx->proc->disabled_until = srv->cur_ts + 2;
status_counter_inc(srv, CONST_STR_LEN("fastcgi.backend.<hostid>.overloaded"));
fastcgi_status_copy_procname(p->statuskey, hctx->host, hctx->proc);
buffer_append_string(p->statuskey, ".overloaded");
status_counter_inc(srv, CONST_BUF_LEN(p->statuskey));
return HANDLER_ERROR;
case CONNECTION_DEAD:
@ -2774,7 +2857,10 @@ static handler_t fcgi_write_request(server *srv, handler_ctx *hctx) {
hctx->proc->disabled_until = srv->cur_ts + 10;
status_counter_inc(srv, CONST_STR_LEN("fastcgi.backend.<hostid>.died"));
fastcgi_status_copy_procname(p->statuskey, hctx->host, hctx->proc);
buffer_append_string(p->statuskey, ".died");
status_counter_inc(srv, CONST_BUF_LEN(p->statuskey));
return HANDLER_ERROR;
case CONNECTION_OK:
@ -2796,8 +2882,16 @@ static handler_t fcgi_write_request(server *srv, handler_ctx *hctx) {
status_counter_inc(srv, CONST_STR_LEN("fastcgi.requests"));
status_counter_inc(srv, CONST_STR_LEN("fastcgi.active-requests"));
status_counter_inc(srv, CONST_STR_LEN("fastcgi.backend.<hostid>.connected"));
status_counter_set(srv, CONST_STR_LEN("fastcgi.backend.<hostid>.load"), hctx->proc->load);
fastcgi_status_copy_procname(p->statuskey, hctx->host, hctx->proc);
buffer_append_string(p->statuskey, ".connected");
status_counter_inc(srv, CONST_BUF_LEN(p->statuskey));
fastcgi_status_copy_procname(p->statuskey, hctx->host, hctx->proc);
buffer_append_string(p->statuskey, ".load");
status_counter_set(srv, CONST_BUF_LEN(p->statuskey), hctx->proc->load);
if (p->conf.debug) {
log_error_write(srv, __FILE__, __LINE__, "sddbdd",
@ -3000,7 +3094,10 @@ SUBREQUEST_FUNC(mod_fastcgi_handle_subrequest) {
proc->state = PROC_STATE_DISABLED;
}
host->active_procs--;
status_counter_set(srv, CONST_STR_LEN("fastcgi.backend.<hostid>.disable"), 1);
fastcgi_status_copy_procname(p->statuskey, hctx->host, hctx->proc);
buffer_append_string(p->statuskey, ".disabled");
status_counter_set(srv, CONST_BUF_LEN(p->statuskey), 1);
}
fcgi_restart_dead_procs(srv, p, host);
@ -3326,7 +3423,7 @@ static handler_t fcgi_check_extension(server *srv, connection *con, void *p_d, i
/* get best server */
for (k = 0; k < extension->used; k++) {
host = extension->hosts[k];
/* we should have at least one proc that can do somthing */
if (host->active_procs == 0) {
host = NULL;

40
src/mod_status.c

@ -22,6 +22,8 @@
typedef struct {
buffer *config_url;
buffer *status_url;
buffer *statistics_url;
int sort;
} plugin_config;
@ -84,6 +86,7 @@ FREE_FUNC(mod_status_free) {
plugin_config *s = p->config_storage[i];
buffer_free(s->status_url);
buffer_free(s->statistics_url);
buffer_free(s->config_url);
free(s);
@ -104,7 +107,8 @@ SETDEFAULTS_FUNC(mod_status_set_defaults) {
config_values_t cv[] = {
{ "status.status-url", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION },
{ "status.config-url", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION },
{ "status.enable-sort", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION },
{ "status.enable-sort", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION },
{ "status.statistics-url", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION },
{ NULL, NULL, T_CONFIG_UNSET, T_CONFIG_SCOPE_UNSET }
};
@ -119,10 +123,12 @@ SETDEFAULTS_FUNC(mod_status_set_defaults) {
s->config_url = buffer_init();
s->status_url = buffer_init();
s->sort = 1;
s->statistics_url = buffer_init();
cv[0].destination = s->status_url;
cv[1].destination = s->config_url;
cv[2].destination = &(s->sort);
cv[3].destination = s->statistics_url;
p->config_storage[i] = s;
@ -575,6 +581,32 @@ static handler_t mod_status_handle_server_status_text(server *srv, connection *c
return 0;
}
static handler_t mod_status_handle_server_statistics(server *srv, connection *con, void *p_d) {
plugin_data *p = p_d;
buffer *b, *m = p->module_list;
size_t i;
array *st = srv->status;
b = chunkqueue_get_append_buffer(con->write_queue);
for (i = 0; i < st->used; i++) {
size_t ndx = st->sorted[i];
buffer_append_string_buffer(b, st->data[ndx]->key);
buffer_append_string(b, ": ");
buffer_append_long(b, ((data_integer *)(st->data[ndx]))->value);
buffer_append_string(b, "\n");
}
response_header_overwrite(srv, con, CONST_STR_LEN("Content-Type"), CONST_STR_LEN("text/plain"));
con->http_status = 200;
con->file_finished = 1;
return HANDLER_FINISHED;
}
static handler_t mod_status_handle_server_status(server *srv, connection *con, void *p_d) {
if (buffer_is_equal_string(con->uri.query, CONST_STR_LEN("auto"))) {
@ -692,6 +724,7 @@ static int mod_status_patch_connection(server *srv, connection *con, plugin_data
PATCH(status_url);
PATCH(config_url);
PATCH(sort);
PATCH(statistics_url);
/* skip the first, the global context */
for (i = 1; i < srv->config_context->used; i++) {
@ -711,6 +744,8 @@ static int mod_status_patch_connection(server *srv, connection *con, plugin_data
PATCH(config_url);
} else if (buffer_is_equal_string(du->key, CONST_STR_LEN("status.enable-sort"))) {
PATCH(sort);
} else if (buffer_is_equal_string(du->key, CONST_STR_LEN("status.statistics-url"))) {
PATCH(statistics_url);
}
}
}
@ -729,6 +764,9 @@ static handler_t mod_status_handler(server *srv, connection *con, void *p_d) {
} else if (!buffer_is_empty(p->conf.config_url) &&
buffer_is_equal(p->conf.config_url, con->uri.path)) {
return mod_status_handle_server_config(srv, con, p_d);
} else if (!buffer_is_empty(p->conf.statistics_url) &&
buffer_is_equal(p->conf.statistics_url, con->uri.path)) {
return mod_status_handle_server_statistics(srv, con, p_d);
}
return HANDLER_GO_ON;

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