From 133eafbed79bb1ca27604c4fea122b55ec998e9d Mon Sep 17 00:00:00 2001 From: Stephen Gallagher Date: Mon, 26 Jan 2009 10:36:18 -0500 Subject: Add skeleton for InfoPipe service --- server/infopipe/infopipe.c | 191 +++++++++++++++++++++++++++++++++++++++++++++ server/infopipe/infopipe.h | 28 +++++++ 2 files changed, 219 insertions(+) create mode 100644 server/infopipe/infopipe.c create mode 100644 server/infopipe/infopipe.h (limited to 'server/infopipe') diff --git a/server/infopipe/infopipe.c b/server/infopipe/infopipe.c new file mode 100644 index 00000000..14e0354f --- /dev/null +++ b/server/infopipe/infopipe.c @@ -0,0 +1,191 @@ +/* + SSSD + + InfoPipe + + Copyright (C) Stephen Gallagher 2009 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ +#define _GNU_SOURCE +#include +#include +#include "popt.h" +#include "infopipe.h" +#include "util/util.h" +#include "sbus/sbus_client.h" +#include "monitor/monitor_sbus.h" +#include "monitor/monitor_interfaces.h" + +struct infp_ctx { + struct event_context *ev; + struct confdb_ctx *cdb; + struct service_sbus_ctx *ss_ctx; + struct sbus_srv_ctx *sbus_srv; +}; + +static int service_identity(DBusMessage *message, void *data, DBusMessage **r) +{ + dbus_uint16_t version = INFOPIPE_VERSION; + const char *name = INFOPIPE_SERVICE_NAME; + DBusMessage *reply; + dbus_bool_t ret; + + DEBUG(4, ("Sending identity data [%s,%d]\n", name, version)); + + reply = dbus_message_new_method_return(message); + ret = dbus_message_append_args(reply, + DBUS_TYPE_STRING, &name, + DBUS_TYPE_UINT16, &version, + DBUS_TYPE_INVALID); + if (!ret) { + return EIO; + } + + *r = reply; + return EOK; +} + +static int service_pong(DBusMessage *message, void *data, DBusMessage **r) +{ + DBusMessage *reply; + dbus_bool_t ret; + + reply = dbus_message_new_method_return(message); + ret = dbus_message_append_args(reply, DBUS_TYPE_INVALID); + if (!ret) { + return EIO; + } + + *r = reply; + return EOK; +} + +static int service_reload(DBusMessage *message, void *data, DBusMessage **r) { + /* Monitor calls this function when we need to reload + * our configuration information. Perform whatever steps + * are needed to update the configuration objects. + */ + + /* Send an empty reply to acknowledge receipt */ + return service_pong(message, data, r); +} + +struct sbus_method mon_sbus_methods[] = { + { SERVICE_METHOD_IDENTITY, service_identity }, + { SERVICE_METHOD_PING, service_pong }, + { SERVICE_METHOD_RELOAD, service_reload }, + { NULL, NULL } +}; + +static int infp_monitor_init(struct infp_ctx *infp_ctx) +{ + int ret; + char *sbus_address; + struct service_sbus_ctx *ss_ctx; + struct sbus_method_ctx *sm_ctx; + + /* Set up SBUS connection to the monitor */ + ret = monitor_get_sbus_address(infp_ctx, infp_ctx->cdb, &sbus_address); + if (ret != EOK) { + DEBUG(0, ("Could not locate monitor address.\n")); + return ret; + } + + ret = monitor_init_sbus_methods(infp_ctx, mon_sbus_methods, &sm_ctx); + if (ret != EOK) { + DEBUG(0, ("Could not initialize SBUS methods.\n")); + return ret; + } + + ret = sbus_client_init(infp_ctx, infp_ctx->ev, + sbus_address, sm_ctx, + NULL /* Private Data */, + NULL /* Destructor */, + &ss_ctx); + if (ret != EOK) { + DEBUG(0, ("Failed to connect to monitor services.\n")); + return ret; + } + + /* Set up InfoPipe-specific listeners */ + /* None currently used */ + + infp_ctx->ss_ctx = ss_ctx; + + return EOK; +} + +static int infp_process_init(TALLOC_CTX *mem_ctx, + struct event_context *ev, + struct confdb_ctx *cdb) +{ + struct infp_ctx *infp_ctx; + int ret; + + infp_ctx = talloc_zero(mem_ctx, struct infp_ctx); + if (infp_ctx == NULL) { + DEBUG(0, ("Fatal error initializing infp_ctx\n")); + return ENOMEM; + } + infp_ctx->ev = ev; + infp_ctx->cdb = cdb; + + ret = infp_monitor_init(infp_ctx); + if (ret != EOK) { + DEBUG(0, ("Fatal error setting up monitor bus\n")); + } + return ret; +} + +int main(int argc, const char *argv[]) +{ + int opt; + poptContext pc; + struct main_context *main_ctx; + int ret; + + struct poptOption long_options[] = { + POPT_AUTOHELP + SSSD_MAIN_OPTS + { NULL } + }; + + pc = poptGetContext(argv[0], argc, argv, long_options, 0); + while((opt = poptGetNextOpt(pc)) != -1) { + switch(opt) { + default: + fprintf(stderr, "\nInvalid option %s: %s\n\n", + poptBadOption(pc, 0), poptStrerror(opt)); + poptPrintUsage(pc, stderr, 0); + return 1; + } + } + + poptFreeContext(pc); + + /* set up things like debug , signals, daemonization, etc... */ + ret = server_setup("sssd[infp]", 0, &main_ctx); + if (ret != EOK) return 2; + + ret = infp_process_init(main_ctx, + main_ctx->event_ctx, + main_ctx->confdb_ctx); + if (ret != EOK) return 3; + + /* loop on main */ + server_loop(main_ctx); + + return 0; +} diff --git a/server/infopipe/infopipe.h b/server/infopipe/infopipe.h new file mode 100644 index 00000000..c888b1da --- /dev/null +++ b/server/infopipe/infopipe.h @@ -0,0 +1,28 @@ +/* + SSSD + + InfoPipe + + Copyright (C) Stephen Gallagher 2009 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ + +#ifndef INFOPIPE_H_ +#define INFOPIPE_H_ + +#define INFOPIPE_VERSION 0x0001 +#define INFOPIPE_SERVICE_NAME "infp" + +#endif /* INFOPIPE_H_ */ -- cgit