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authorMichael Krelin <hacker@klever.net>2004-07-09 16:48:52 (UTC)
committer Michael Krelin <hacker@klever.net>2004-07-09 16:48:52 (UTC)
commit9148dac885c0325636c2d33715ba248371706d0d (patch) (side-by-side diff)
treefd95d60f6fd051c3ad46a966882e2be48440452f /src/configuration.cc
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dudki: initial import into svn repository
Diffstat (limited to 'src/configuration.cc') (more/less context) (ignore whitespace changes)
-rw-r--r--src/configuration.cc149
1 files changed, 149 insertions, 0 deletions
diff --git a/src/configuration.cc b/src/configuration.cc
new file mode 100644
index 0000000..eb010c1
--- a/dev/null
+++ b/src/configuration.cc
@@ -0,0 +1,149 @@
+#include <stdexcept>
+using namespace std;
+#include <dotconf.h>
+#include "configuration.h"
+
+#ifndef DEFAULT_PID_FILE
+# define DEFAULT_PID_FILE "/var/run/dudki.pid"
+#endif
+
+configuration::configuration()
+ : check_interval(60), pidfile(DEFAULT_PID_FILE),
+ daemonize(true) {
+ }
+
+enum dc_ctx {
+ DCC_ROOT = 1,
+ DCC_PROCESS = 2
+};
+struct dc_context {
+ dc_ctx ctx;
+ configuration* cf;
+ process* ps;
+
+ dc_context()
+ : ctx(DCC_ROOT), cf(NULL), ps(NULL) { }
+};
+
+static DOTCONF_CB(dco_check_interval) { dc_context *dcc = (dc_context*)ctx;
+ dcc->cf->check_interval = cmd->data.value;
+ return NULL;
+}
+static DOTCONF_CB(dco_daemonize) { dc_context *dcc = (dc_context*)ctx;
+ dcc->cf->daemonize = cmd->data.value;
+ return NULL;
+}
+
+static DOTCONF_CB(dco_pid_file) { dc_context *dcc = (dc_context*)ctx;
+ switch(dcc->ctx) {
+ case DCC_ROOT:
+ dcc->cf->pidfile = cmd->data.str;
+ break;
+ case DCC_PROCESS:
+ dcc->ps->pidfile = cmd->data.str;
+ break;
+ default:
+ return "Unexpected PidFile";
+ }
+ return NULL;
+}
+static DOTCONF_CB(dco_mailto_header) { dc_context *dcc = (dc_context*)ctx;
+ if(cmd->arg_count!=2)
+ return "Invalid number of arguments";
+ string h = cmd->data.list[0];
+ string v = cmd->data.list[1];
+ switch(dcc->ctx) {
+ case DCC_ROOT:
+ dcc->cf->mailto_headers[h] = v;
+ break;
+ case DCC_PROCESS:
+ dcc->ps->mailto_headers[h] = v;
+ break;
+ default:
+ return "Unexpected MailtoHeader";
+ }
+ return NULL;
+}
+static DOTCONF_CB(dco_notify) { dc_context *dcc = (dc_context*)ctx;
+ switch(dcc->ctx) {
+ case DCC_ROOT:
+ dcc->cf->notify = cmd->data.str;
+ break;
+ case DCC_PROCESS:
+ dcc->ps->notify = cmd->data.str;
+ break;
+ default:
+ return "Unexpected Notify";
+ }
+ return NULL;
+}
+
+static DOTCONF_CB(dco_process) { dc_context *dcc = (dc_context*)ctx;
+ string id = cmd->data.str;
+ if(id[id.length()-1]=='>')
+ id.erase(id.length()-1);
+ dcc->ps = &(dcc->cf->processes[id]);
+ dcc->ctx = DCC_PROCESS;
+ return NULL;
+}
+static DOTCONF_CB(dco__process) { dc_context *dcc = (dc_context*)ctx;
+ dcc->ps = NULL;
+ dcc->ctx = DCC_ROOT;
+ return NULL;
+}
+
+static DOTCONF_CB(dco_restart_command) { dc_context *dcc = (dc_context*)ctx;
+ dcc->ps->restart_cmd = cmd->data.str;
+ return NULL;
+}
+static DOTCONF_CB(dco_user) { dc_context *dcc = (dc_context*)ctx;
+ dcc->ps->user = cmd->data.str;
+ return NULL;
+}
+static DOTCONF_CB(dco_group) { dc_context *dcc = (dc_context*)ctx;
+ dcc->ps->group = cmd->data.str;
+ return NULL;
+}
+static DOTCONF_CB(dco_chroot) { dc_context *dcc = (dc_context*)ctx;
+ dcc->ps->chroot = cmd->data.str;
+ return NULL;
+}
+
+static const configoption_t dc_options[] = {
+ { "CheckInterval", ARG_INT, dco_check_interval, NULL, DCC_ROOT },
+ { "Daemonize", ARG_TOGGLE, dco_daemonize, NULL, DCC_ROOT },
+ { "PidFile", ARG_STR, dco_pid_file, NULL, DCC_ROOT|DCC_PROCESS },
+ { "MailtoHeader", ARG_STR, dco_mailto_header, NULL, DCC_ROOT|DCC_PROCESS },
+ { "Notify", ARG_STR, dco_notify, NULL, DCC_ROOT|DCC_PROCESS },
+ { "<Process", ARG_STR, dco_process, NULL, DCC_ROOT },
+ { "RestartCommand", ARG_STR, dco_restart_command, NULL, DCC_PROCESS },
+ { "User", ARG_STR, dco_user, NULL, DCC_PROCESS },
+ { "Group", ARG_STR, dco_group, NULL, DCC_PROCESS },
+ { "Chroot", ARG_STR, dco_chroot, NULL, DCC_PROCESS },
+ { "</Process>", ARG_NONE, dco__process, NULL, DCC_PROCESS },
+ LAST_OPTION
+};
+
+static const char *dc_context_checker(command_t *cmd,unsigned long mask) {
+ dc_context *dcc = (dc_context*)cmd->context;
+ if( (mask==CTX_ALL) || ((mask&dcc->ctx)==dcc->ctx) )
+ return NULL;
+ return "misplaced option";
+}
+static FUNC_ERRORHANDLER(dc_error_handler) {
+ throw runtime_error(string("error parsing config file: ")+msg);
+}
+
+void configuration::parse(const string& cfile) {
+ struct dc_context dcc;
+ dcc.cf = this;
+ dcc.ctx = DCC_ROOT;
+ configfile_t *cf = dotconf_create((char*)cfile.c_str(),dc_options,(context_t*)&dcc,CASE_INSENSITIVE);
+ if(!cf)
+ throw runtime_error(string(__PRETTY_FUNCTION__)+": failed to dotconf_create()");
+ cf->errorhandler = (dotconf_errorhandler_t) dc_error_handler;
+ cf->contextchecker = (dotconf_contextchecker_t) dc_context_checker;
+ if(!dotconf_command_loop(cf))
+ throw runtime_error(string(__PRETTY_FUNCTION__)+": failed to dotconf_command_loop()");
+ dotconf_cleanup(cf);
+}