in server/main.c [527:899]
int main(int argc, const char *const *argv)
#endif
{
char c;
int showcompile = 0, showdirectives = 0;
const char *confname = SERVER_CONFIG_FILE;
const char *def_server_root = HTTPD_ROOT;
const char *temp_error_log = NULL;
const char *error;
process_rec *process;
apr_pool_t *pconf;
apr_pool_t *plog; /* Pool of log streams, reset _after_ each read of conf */
apr_pool_t *ptemp; /* Pool for temporary config stuff, reset often */
apr_pool_t *pcommands; /* Pool for -D, -C and -c switches */
apr_getopt_t *opt;
apr_status_t rv;
module **mod;
const char *opt_arg;
APR_OPTIONAL_FN_TYPE(ap_signal_server) *signal_server;
int rc = OK;
AP_MONCONTROL(0); /* turn off profiling of startup */
process = init_process(&argc, &argv);
ap_pglobal = process->pool;
pconf = process->pconf;
ap_server_argv0 = process->short_name;
ap_init_rng(ap_pglobal);
/* Set up the OOM callback in the global pool, so all pools should
* by default inherit it. */
apr_pool_abort_set(abort_on_oom, apr_pool_parent_get(process->pool));
#if APR_CHARSET_EBCDIC
if (ap_init_ebcdic(ap_pglobal) != APR_SUCCESS) {
destroy_and_exit_process(process, 1);
}
#endif
pcommands = ap_pglobal;
ap_server_pre_read_config = apr_array_make(pcommands, 1,
sizeof(const char *));
ap_server_post_read_config = apr_array_make(pcommands, 1,
sizeof(const char *));
ap_server_config_defines = apr_array_make(pcommands, 1,
sizeof(const char *));
error = ap_setup_prelinked_modules(process);
if (error) {
ap_log_error(APLOG_MARK, APLOG_STARTUP|APLOG_EMERG, 0, NULL, APLOGNO(00012)
"%s: %s", ap_server_argv0, error);
destroy_and_exit_process(process, 1);
}
ap_run_rewrite_args(process);
/* Maintain AP_SERVER_BASEARGS list in http_main.h to allow the MPM
* to safely pass on our args from its rewrite_args() handler.
*/
apr_getopt_init(&opt, pcommands, process->argc, process->argv);
while ((rv = apr_getopt(opt, AP_SERVER_BASEARGS, &c, &opt_arg))
== APR_SUCCESS) {
const char **new;
switch (c) {
case 'c':
new = (const char **)apr_array_push(ap_server_post_read_config);
*new = apr_pstrdup(pcommands, opt_arg);
break;
case 'C':
new = (const char **)apr_array_push(ap_server_pre_read_config);
*new = apr_pstrdup(pcommands, opt_arg);
break;
case 'd':
def_server_root = opt_arg;
break;
case 'D':
new = (const char **)apr_array_push(ap_server_config_defines);
*new = apr_pstrdup(pcommands, opt_arg);
/* Setting -D DUMP_VHOSTS should work like setting -S */
if (strcmp(opt_arg, "DUMP_VHOSTS") == 0)
ap_run_mode = AP_SQ_RM_CONFIG_DUMP;
/* Setting -D DUMP_RUN_CFG should work like setting -S */
else if (strcmp(opt_arg, "DUMP_RUN_CFG") == 0)
ap_run_mode = AP_SQ_RM_CONFIG_DUMP;
/* Setting -D DUMP_MODULES is equivalent to setting -M */
else if (strcmp(opt_arg, "DUMP_MODULES") == 0)
ap_run_mode = AP_SQ_RM_CONFIG_DUMP;
/* Setting -D DUMP_INCLUDES is a type of configuration dump */
else if (strcmp(opt_arg, "DUMP_INCLUDES") == 0)
ap_run_mode = AP_SQ_RM_CONFIG_DUMP;
break;
case 'e':
if (ap_parse_log_level(opt_arg, &ap_default_loglevel) != NULL)
usage(process);
break;
case 'E':
temp_error_log = apr_pstrdup(process->pool, opt_arg);
break;
case 'X':
new = (const char **)apr_array_push(ap_server_config_defines);
*new = "DEBUG";
break;
case 'f':
confname = opt_arg;
break;
case 'v':
printf("Server version: %s\n", ap_get_server_description());
printf("Server built: %s\n", ap_get_server_built());
destroy_and_exit_process(process, 0);
case 'l':
ap_show_modules();
destroy_and_exit_process(process, 0);
case 'L':
ap_run_mode = AP_SQ_RM_CONFIG_DUMP;
showdirectives = 1;
break;
case 't':
if (ap_run_mode == AP_SQ_RM_UNKNOWN)
ap_run_mode = AP_SQ_RM_CONFIG_TEST;
break;
case 'T':
ap_document_root_check = 0;
break;
case 'S':
ap_run_mode = AP_SQ_RM_CONFIG_DUMP;
new = (const char **)apr_array_push(ap_server_config_defines);
*new = "DUMP_VHOSTS";
new = (const char **)apr_array_push(ap_server_config_defines);
*new = "DUMP_RUN_CFG";
break;
case 'M':
ap_run_mode = AP_SQ_RM_CONFIG_DUMP;
new = (const char **)apr_array_push(ap_server_config_defines);
*new = "DUMP_MODULES";
break;
case 'V':
if (strcmp(ap_show_mpm(), "")) { /* MPM built-in? */
show_compile_settings();
destroy_and_exit_process(process, 0);
}
else {
showcompile = 1;
ap_run_mode = AP_SQ_RM_CONFIG_DUMP;
}
break;
case 'h':
case '?':
usage(process);
}
}
if (ap_run_mode == AP_SQ_RM_UNKNOWN)
ap_run_mode = AP_SQ_RM_NORMAL;
/* bad cmdline option? then we die */
if (rv != APR_EOF || opt->ind < opt->argc) {
usage(process);
}
ap_main_state = AP_SQ_MS_CREATE_PRE_CONFIG;
apr_pool_create(&plog, ap_pglobal);
apr_pool_tag(plog, "plog");
apr_pool_create(&ptemp, pconf);
apr_pool_tag(ptemp, "ptemp");
/* Note that we preflight the config file once
* before reading it _again_ in the main loop.
* This allows things, log files configuration
* for example, to settle down.
*/
ap_server_root = def_server_root;
if (temp_error_log) {
ap_replace_stderr_log(process->pool, temp_error_log);
}
ap_server_conf = NULL; /* set early by ap_read_config() for logging */
if (!ap_read_config(process, ptemp, confname, &ap_conftree)) {
if (showcompile) {
/* Well, we tried. Show as much as we can, but exit nonzero to
* indicate that something's not right. The cause should have
* already been logged. */
show_compile_settings();
}
destroy_and_exit_process(process, 1);
}
ap_assert(ap_server_conf != NULL);
apr_pool_cleanup_register(pconf, &ap_server_conf, ap_pool_cleanup_set_null,
apr_pool_cleanup_null);
if (showcompile) { /* deferred due to dynamically loaded MPM */
show_compile_settings();
destroy_and_exit_process(process, 0);
}
/* sort hooks here to make sure pre_config hooks are sorted properly */
apr_hook_sort_all();
if (ap_run_pre_config(pconf, plog, ptemp) != OK) {
ap_log_error(APLOG_MARK, APLOG_STARTUP |APLOG_ERR, 0,
NULL, APLOGNO(00013) "Pre-configuration failed");
destroy_and_exit_process(process, 1);
}
rv = ap_process_config_tree(ap_server_conf, ap_conftree,
process->pconf, ptemp);
if (rv == OK) {
ap_fixup_virtual_hosts(pconf, ap_server_conf);
ap_fini_vhost_config(pconf, ap_server_conf);
/*
* Sort hooks again because ap_process_config_tree may have add modules
* and hence hooks. This happens with mod_perl and modules written in
* perl.
*/
apr_hook_sort_all();
if (ap_run_check_config(pconf, plog, ptemp, ap_server_conf) != OK) {
ap_log_error(APLOG_MARK, APLOG_STARTUP |APLOG_ERR, 0,
NULL, APLOGNO(00014) "Configuration check failed");
destroy_and_exit_process(process, 1);
}
if (ap_run_mode != AP_SQ_RM_NORMAL) {
if (showdirectives) { /* deferred in case of DSOs */
ap_show_directives();
destroy_and_exit_process(process, 0);
}
else {
ap_run_test_config(pconf, ap_server_conf);
if (ap_run_mode == AP_SQ_RM_CONFIG_TEST)
ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL, "Syntax OK");
}
destroy_and_exit_process(process, 0);
}
}
/* If our config failed, deal with that here. */
if (rv != OK) {
destroy_and_exit_process(process, 1);
}
signal_server = APR_RETRIEVE_OPTIONAL_FN(ap_signal_server);
if (signal_server) {
int exit_status;
if (signal_server(&exit_status, pconf) != 0) {
destroy_and_exit_process(process, exit_status);
}
}
apr_pool_clear(plog);
if ( ap_run_open_logs(pconf, plog, ptemp, ap_server_conf) != OK) {
ap_log_error(APLOG_MARK, APLOG_STARTUP |APLOG_ERR,
0, NULL, APLOGNO(00015) "Unable to open logs");
destroy_and_exit_process(process, 1);
}
if ( ap_run_post_config(pconf, plog, ptemp, ap_server_conf) != OK) {
ap_log_error(APLOG_MARK, APLOG_STARTUP |APLOG_ERR, 0,
NULL, APLOGNO(00016) "Configuration Failed");
destroy_and_exit_process(process, 1);
}
apr_pool_destroy(ptemp);
do {
ap_main_state = AP_SQ_MS_DESTROY_CONFIG;
reset_process_pconf(process);
ap_main_state = AP_SQ_MS_CREATE_CONFIG;
ap_config_generation++;
for (mod = ap_prelinked_modules; *mod != NULL; mod++) {
ap_register_hooks(*mod, pconf);
}
/* This is a hack until we finish the code so that it only reads
* the config file once and just operates on the tree already in
* memory. rbb
*/
ap_conftree = NULL;
apr_pool_create(&ptemp, pconf);
apr_pool_tag(ptemp, "ptemp");
ap_server_root = def_server_root;
ap_server_conf = NULL; /* set early by ap_read_config() for logging */
if (!ap_read_config(process, ptemp, confname, &ap_conftree)) {
destroy_and_exit_process(process, 1);
}
ap_assert(ap_server_conf != NULL);
apr_pool_cleanup_register(pconf, &ap_server_conf,
ap_pool_cleanup_set_null, apr_pool_cleanup_null);
/* sort hooks here to make sure pre_config hooks are sorted properly */
apr_hook_sort_all();
if (ap_run_pre_config(pconf, plog, ptemp) != OK) {
ap_log_error(APLOG_MARK, APLOG_EMERG, 0, NULL,
APLOGNO(00017) "Pre-configuration failed, exiting");
destroy_and_exit_process(process, 1);
}
if (ap_process_config_tree(ap_server_conf, ap_conftree, process->pconf,
ptemp) != OK) {
destroy_and_exit_process(process, 1);
}
ap_fixup_virtual_hosts(pconf, ap_server_conf);
ap_fini_vhost_config(pconf, ap_server_conf);
/*
* Sort hooks again because ap_process_config_tree may have add modules
* and hence hooks. This happens with mod_perl and modules written in
* perl.
*/
apr_hook_sort_all();
if (ap_run_check_config(pconf, plog, ptemp, ap_server_conf) != OK) {
ap_log_error(APLOG_MARK, APLOG_EMERG, 0, NULL,
APLOGNO(00018) "Configuration check failed, exiting");
destroy_and_exit_process(process, 1);
}
apr_pool_clear(plog);
if (ap_run_open_logs(pconf, plog, ptemp, ap_server_conf) != OK) {
ap_log_error(APLOG_MARK, APLOG_EMERG, 0, NULL,
APLOGNO(00019) "Unable to open logs, exiting");
destroy_and_exit_process(process, 1);
}
if (ap_run_post_config(pconf, plog, ptemp, ap_server_conf) != OK) {
ap_log_error(APLOG_MARK, APLOG_EMERG, 0, NULL,
APLOGNO(00020) "Configuration Failed, exiting");
destroy_and_exit_process(process, 1);
}
apr_pool_destroy(ptemp);
apr_pool_lock(pconf, 1);
ap_run_optional_fn_retrieve();
ap_main_state = AP_SQ_MS_RUN_MPM;
rc = ap_run_mpm(pconf, plog, ap_server_conf);
apr_pool_lock(pconf, 0);
} while (rc == OK);
if (rc == DONE) {
rc = OK;
}
else if (rc != OK) {
ap_log_error(APLOG_MARK, APLOG_EMERG, 0, NULL, APLOGNO(02818)
"MPM run failed, exiting");
}
destroy_and_exit_process(process, rc);
/* NOTREACHED */
return !OK;
}