/*
This file is part of GNUnet.
- (C) 2009, 2010 Christian Grothoff (and other contributing authors)
+ (C) 2009, 2010, 2012 Christian Grothoff (and other contributing authors)
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
*/
#include "platform.h"
#include "gnunet_arm_service.h"
-#include "gnunet_client_lib.h"
-#include "gnunet_getopt_lib.h"
-#include "gnunet_os_lib.h"
+#include "gnunet_util_lib.h"
#include "gnunet_protocols.h"
-#include "gnunet_server_lib.h"
#include "arm.h"
#define LOG(kind,...) GNUNET_log_from (kind, "arm-api",__VA_ARGS__)
void *cont_cls;
/**
- * Result of the operation
+ * Handle for transmission request.
*/
- enum GNUNET_ARM_ProcessStatus confirmed;
+ struct GNUNET_CLIENT_TransmitHandle *th;
};
service_shutdown_handler (void *cls, const struct GNUNET_MessageHeader *msg)
{
struct ShutdownContext *shutdown_ctx = cls;
- const struct GNUNET_ARM_ResultMessage *rmsg;
- if (msg == NULL)
+ if (NULL != msg)
{
- if (shutdown_ctx->cont != NULL)
- {
- if (shutdown_ctx->confirmed == GNUNET_ARM_PROCESS_SHUTDOWN)
- {
- /* shutdown is now complete, as we waited for the network disconnect... */
- shutdown_ctx->cont (shutdown_ctx->cont_cls, GNUNET_ARM_PROCESS_DOWN);
- }
- else
- {
- /* communication error */
- shutdown_ctx->cont (shutdown_ctx->cont_cls, GNUNET_ARM_PROCESS_COMMUNICATION_ERROR);
- }
- }
+ /* We just expected a disconnect! Report the error and be done with it... */
+ GNUNET_break (0);
+ shutdown_ctx->cont (shutdown_ctx->cont_cls, GNUNET_ARM_PROCESS_COMMUNICATION_ERROR);
GNUNET_SCHEDULER_cancel (shutdown_ctx->cancel_task);
- GNUNET_CLIENT_disconnect (shutdown_ctx->sock, GNUNET_NO);
+ GNUNET_CLIENT_disconnect (shutdown_ctx->sock);
GNUNET_free (shutdown_ctx);
return;
}
- if (ntohs (msg->size) ==
- sizeof (struct GNUNET_ARM_ResultMessage))
- {
- rmsg = (const struct GNUNET_ARM_ResultMessage*) msg;
- shutdown_ctx->confirmed = (enum GNUNET_ARM_ProcessStatus) ntohl (rmsg->status);
- if (shutdown_ctx->confirmed != GNUNET_ARM_PROCESS_SHUTDOWN)
- {
- /* ARM is not shutting down, well, report the error and be done with it... */
- shutdown_ctx->cont (shutdown_ctx->cont_cls, shutdown_ctx->confirmed);
- GNUNET_SCHEDULER_cancel (shutdown_ctx->cancel_task);
- GNUNET_CLIENT_disconnect (shutdown_ctx->sock, GNUNET_NO);
- GNUNET_free (shutdown_ctx);
- return;
- }
- }
- GNUNET_CLIENT_receive (shutdown_ctx->sock, &service_shutdown_handler,
- shutdown_ctx, GNUNET_TIME_UNIT_FOREVER_REL);
+ if (NULL != shutdown_ctx->cont)
+ /* shutdown is now complete, as we waited for the network disconnect... */
+ shutdown_ctx->cont (shutdown_ctx->cont_cls, GNUNET_ARM_PROCESS_DOWN);
+ GNUNET_SCHEDULER_cancel (shutdown_ctx->cancel_task);
+ GNUNET_CLIENT_disconnect (shutdown_ctx->sock);
+ GNUNET_free (shutdown_ctx);
}
struct ShutdownContext *shutdown_ctx = cls;
shutdown_ctx->cont (shutdown_ctx->cont_cls, GNUNET_ARM_PROCESS_COMMUNICATION_TIMEOUT);
- GNUNET_CLIENT_disconnect (shutdown_ctx->sock, GNUNET_NO);
+ GNUNET_CLIENT_disconnect (shutdown_ctx->sock);
GNUNET_free (shutdown_ctx);
}
static size_t
write_shutdown (void *cls, size_t size, void *buf)
{
- struct GNUNET_MessageHeader *msg;
struct ShutdownContext *shutdown_ctx = cls;
+ struct GNUNET_MessageHeader *msg;
+ shutdown_ctx->th = NULL;
if (size < sizeof (struct GNUNET_MessageHeader))
- {
- LOG (GNUNET_ERROR_TYPE_WARNING,
- _("Failed to transmit shutdown request to client.\n"));
- shutdown_ctx->cont (shutdown_ctx->cont_cls, GNUNET_ARM_PROCESS_COMMUNICATION_ERROR);
- GNUNET_CLIENT_disconnect (shutdown_ctx->sock, GNUNET_NO);
- GNUNET_free (shutdown_ctx);
- return 0; /* client disconnected */
- }
-
+ {
+ LOG (GNUNET_ERROR_TYPE_WARNING,
+ _("Failed to transmit shutdown request to client.\n"));
+ shutdown_ctx->cont (shutdown_ctx->cont_cls, GNUNET_ARM_PROCESS_COMMUNICATION_ERROR);
+ GNUNET_CLIENT_disconnect (shutdown_ctx->sock);
+ GNUNET_free (shutdown_ctx);
+ return 0; /* client disconnected */
+ }
GNUNET_CLIENT_receive (shutdown_ctx->sock, &service_shutdown_handler,
shutdown_ctx, GNUNET_TIME_UNIT_FOREVER_REL);
shutdown_ctx->cancel_task =
shutdown_ctx->cont_cls = cont_cls;
shutdown_ctx->sock = sock;
shutdown_ctx->timeout = GNUNET_TIME_relative_to_absolute (timeout);
- shutdown_ctx->confirmed = GNUNET_ARM_PROCESS_COMMUNICATION_ERROR;
- /* FIXME: store return value? */
- GNUNET_CLIENT_notify_transmit_ready (sock,
- sizeof (struct GNUNET_MessageHeader),
- timeout, GNUNET_YES, &write_shutdown,
- shutdown_ctx);
+ shutdown_ctx->th = GNUNET_CLIENT_notify_transmit_ready (sock,
+ sizeof (struct GNUNET_MessageHeader),
+ timeout, GNUNET_NO, &write_shutdown,
+ shutdown_ctx);
}
GNUNET_ARM_disconnect (struct GNUNET_ARM_Handle *h)
{
if (h->client != NULL)
- GNUNET_CLIENT_disconnect (h->client, GNUNET_NO);
+ GNUNET_CLIENT_disconnect (h->client);
GNUNET_CONFIGURATION_destroy (h->cfg);
GNUNET_free (h);
}
*/
uint16_t type;
+ /**
+ * Flags for passing std descriptors to ARM (when starting ARM).
+ */
+ enum GNUNET_OS_InheritStdioFlags std_inheritance;
+
};
#include "do_start_process.c"
char *lopostfix;
if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_PREREQ_DONE))
- {
-#if DEBUG_ARM
- LOG (GNUNET_ERROR_TYPE_DEBUG, "Looks like `%s' is already running.\n",
- "gnunet-service-arm");
-#endif
- /* arm is running! */
- if (pos->callback != NULL)
- pos->callback (pos->cls, GNUNET_ARM_PROCESS_ALREADY_RUNNING);
- GNUNET_free (pos);
- return;
- }
-#if DEBUG_ARM
+ {
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Looks like `%s' is already running.\n",
+ "gnunet-service-arm");
+ /* arm is running! */
+ if (pos->callback != NULL)
+ pos->callback (pos->cls, GNUNET_ARM_PROCESS_ALREADY_RUNNING);
+ GNUNET_free (pos);
+ return;
+ }
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Looks like `%s' is not running, will start it.\n",
"gnunet-service-arm");
-#endif
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_string (pos->h->cfg, "arm", "PREFIX",
&loprefix))
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_string (pos->h->cfg, "arm", "BINARY",
&binary))
- {
- LOG (GNUNET_ERROR_TYPE_WARNING,
- _
- ("Configuration failes to specify option `%s' in section `%s'!\n"),
- "BINARY", "arm");
- if (pos->callback != NULL)
- pos->callback (pos->cls, GNUNET_ARM_PROCESS_UNKNOWN);
- GNUNET_free (pos);
- GNUNET_free (loprefix);
- GNUNET_free (lopostfix);
- return;
- }
+ {
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_WARNING,
+ "arm", "BINARY");
+ if (pos->callback != NULL)
+ pos->callback (pos->cls, GNUNET_ARM_PROCESS_UNKNOWN);
+ GNUNET_free (pos);
+ GNUNET_free (loprefix);
+ GNUNET_free (lopostfix);
+ return;
+ }
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_filename (pos->h->cfg, "arm", "CONFIG",
&config))
- {
- LOG (GNUNET_ERROR_TYPE_WARNING,
- _("Configuration fails to specify option `%s' in section `%s'!\n"),
- "CONFIG", "arm");
- if (pos->callback != NULL)
- pos->callback (pos->cls, GNUNET_ARM_PROCESS_UNKNOWN);
- GNUNET_free (binary);
- GNUNET_free (pos);
- GNUNET_free (loprefix);
- GNUNET_free (lopostfix);
- return;
- }
+ {
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_WARNING,
+ "arm", "CONFIG");
+ if (pos->callback != NULL)
+ pos->callback (pos->cls, GNUNET_ARM_PROCESS_UNKNOWN);
+ GNUNET_free (binary);
+ GNUNET_free (pos);
+ GNUNET_free (loprefix);
+ GNUNET_free (lopostfix);
+ return;
+ }
if ((GNUNET_YES ==
GNUNET_CONFIGURATION_have_value (pos->h->cfg, "TESTING", "WEAKRANDOM"))
&& (GNUNET_YES ==
&& (GNUNET_NO ==
GNUNET_CONFIGURATION_have_value (pos->h->cfg, "TESTING",
"HOSTFILE")))
- {
- /* Means we are ONLY running locally */
- /* we're clearly running a test, don't daemonize */
- proc = do_start_process (GNUNET_NO,
- NULL, loprefix, binary, "-c", config,
-#if DEBUG_ARM
- "-L", "DEBUG",
-#endif
- /* no daemonization! */
- lopostfix, NULL);
- }
+ {
+ /* Means we are ONLY running locally */
+ /* we're clearly running a test, don't daemonize */
+ proc = do_start_process (GNUNET_NO, pos->std_inheritance,
+ NULL, loprefix, binary, "-c", config,
+ /* no daemonization! */
+ lopostfix, NULL);
+ }
else
- {
- proc = do_start_process (GNUNET_NO,
- NULL, loprefix, binary, "-c", config,
-#if DEBUG_ARM
- "-L", "DEBUG",
-#endif
- "-d", lopostfix, NULL);
- }
+ {
+ proc = do_start_process (GNUNET_NO, pos->std_inheritance,
+ NULL, loprefix, binary, "-c", config,
+ "-d", lopostfix, NULL);
+ }
GNUNET_free (binary);
GNUNET_free (config);
GNUNET_free (loprefix);
if ((msg == NULL) ||
(ntohs (msg->size) != sizeof (struct GNUNET_ARM_ResultMessage)))
- {
- LOG (GNUNET_ERROR_TYPE_WARNING,
- _
- ("Error receiving response to `%s' request from ARM for service `%s'\n"),
- (sc->type == GNUNET_MESSAGE_TYPE_ARM_START) ? "START" : "STOP",
- (const char *) &sc[1]);
- GNUNET_CLIENT_disconnect (sc->h->client, GNUNET_NO);
- sc->h->client = GNUNET_CLIENT_connect ("arm", sc->h->cfg);
- GNUNET_assert (NULL != sc->h->client);
- if (sc->callback != NULL)
- sc->callback (sc->cls, GNUNET_ARM_PROCESS_COMMUNICATION_ERROR);
- GNUNET_free (sc);
- return;
- }
+ {
+ GNUNET_break (0);
+ GNUNET_CLIENT_disconnect (sc->h->client);
+ sc->h->client = GNUNET_CLIENT_connect ("arm", sc->h->cfg);
+ GNUNET_assert (NULL != sc->h->client);
+ if (sc->callback != NULL)
+ sc->callback (sc->cls, GNUNET_ARM_PROCESS_COMMUNICATION_ERROR);
+ GNUNET_free (sc);
+ return;
+ }
res = (const struct GNUNET_ARM_ResultMessage *) msg;
-#if DEBUG_ARM
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Received response from ARM for service `%s': %u\n",
(const char *) &sc[1], ntohs (msg->type));
-#endif
status = (enum GNUNET_ARM_ProcessStatus) ntohl (res->status);
if (sc->callback != NULL)
sc->callback (sc->cls, status);
slen = strlen (service_name) + 1;
if (slen + sizeof (struct GNUNET_MessageHeader) >=
GNUNET_SERVER_MAX_MESSAGE_SIZE)
- {
- GNUNET_break (0);
- if (cb != NULL)
- cb (cb_cls, GNUNET_NO);
- return;
- }
-#if DEBUG_ARM
+ {
+ GNUNET_break (0);
+ if (cb != NULL)
+ cb (cb_cls, GNUNET_NO);
+ return;
+ }
LOG (GNUNET_ERROR_TYPE_DEBUG,
(type ==
GNUNET_MESSAGE_TYPE_ARM_START) ?
- _("Requesting start of service `%s'.\n") :
- _("Requesting termination of service `%s'.\n"), service_name);
-#endif
+ "Requesting start of service `%s'.\n" :
+ "Requesting termination of service `%s'.\n", service_name);
sctx = GNUNET_malloc (sizeof (struct RequestContext) + slen);
sctx->h = h;
sctx->callback = cb;
GNUNET_TIME_absolute_get_remaining
(sctx->timeout), GNUNET_YES,
&handle_response, sctx))
- {
- LOG (GNUNET_ERROR_TYPE_WARNING,
- (type ==
- GNUNET_MESSAGE_TYPE_ARM_START) ?
- _("Error while trying to transmit request to start `%s' to ARM\n")
- :
- _("Error while trying to transmit request to stop `%s' to ARM\n"),
- (const char *) &service_name);
- if (cb != NULL)
- cb (cb_cls, GNUNET_SYSERR);
- GNUNET_free (sctx);
- GNUNET_free (msg);
- return;
- }
+ {
+ GNUNET_break (0);
+ if (cb != NULL)
+ cb (cb_cls, GNUNET_SYSERR);
+ GNUNET_free (sctx);
+ GNUNET_free (msg);
+ return;
+ }
GNUNET_free (msg);
}
*
* @param h handle to ARM
* @param service_name name of the service
+ * @param std_inheritance inheritance of std streams
* @param timeout how long to wait before failing for good
* @param cb callback to invoke when service is ready
* @param cb_cls closure for callback
void
GNUNET_ARM_start_service (struct GNUNET_ARM_Handle *h,
const char *service_name,
+ enum GNUNET_OS_InheritStdioFlags std_inheritance,
struct GNUNET_TIME_Relative timeout,
GNUNET_ARM_Callback cb, void *cb_cls)
{
struct GNUNET_CLIENT_Connection *client;
size_t slen;
-#if DEBUG_ARM
LOG (GNUNET_ERROR_TYPE_DEBUG,
- _("Asked to start service `%s' within %llu ms\n"), service_name,
- (unsigned long long) timeout.rel_value);
-#endif
+ "Asked to start service `%s' within %s\n", service_name,
+ GNUNET_STRINGS_relative_time_to_string (timeout, GNUNET_NO));
if (0 == strcasecmp ("arm", service_name))
+ {
+ slen = strlen ("arm") + 1;
+ sctx = GNUNET_malloc (sizeof (struct RequestContext) + slen);
+ sctx->h = h;
+ sctx->callback = cb;
+ sctx->cls = cb_cls;
+ sctx->timeout = GNUNET_TIME_relative_to_absolute (timeout);
+ sctx->std_inheritance = std_inheritance;
+ memcpy (&sctx[1], service_name, slen);
+ GNUNET_CLIENT_service_test ("arm", h->cfg, timeout, &arm_service_report,
+ sctx);
+ return;
+ }
+ if (NULL == h->client)
+ {
+ client = GNUNET_CLIENT_connect ("arm", h->cfg);
+ if (client == NULL)
{
- slen = strlen ("arm") + 1;
- sctx = GNUNET_malloc (sizeof (struct RequestContext) + slen);
- sctx->h = h;
- sctx->callback = cb;
- sctx->cls = cb_cls;
- sctx->timeout = GNUNET_TIME_relative_to_absolute (timeout);
- memcpy (&sctx[1], service_name, slen);
- GNUNET_CLIENT_service_test ("arm", h->cfg, timeout, &arm_service_report,
- sctx);
- return;
- }
- if (h->client == NULL)
- {
- client = GNUNET_CLIENT_connect ("arm", h->cfg);
- if (client == NULL)
- {
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "arm_api, GNUNET_CLIENT_connect returned NULL\n");
- cb (cb_cls, GNUNET_ARM_PROCESS_COMMUNICATION_ERROR);
- return;
- }
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "arm_api, GNUNET_CLIENT_connect returned non-NULL\n");
- h->client = client;
+ "arm_api, GNUNET_CLIENT_connect returned NULL\n");
+ cb (cb_cls, GNUNET_ARM_PROCESS_COMMUNICATION_ERROR);
+ return;
}
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "arm_api, GNUNET_CLIENT_connect returned non-NULL\n");
+ h->client = client;
+ }
LOG (GNUNET_ERROR_TYPE_DEBUG, "arm_api, h->client non-NULL\n");
change_service (h, service_name, timeout, cb, cb_cls,
GNUNET_MESSAGE_TYPE_ARM_START);
if (arm_shutdown_ctx->cb != NULL)
arm_shutdown_ctx->cb (arm_shutdown_ctx->cb_cls, reason);
-
GNUNET_free (arm_shutdown_ctx);
}
struct ARM_ShutdownContext *arm_shutdown_ctx;
struct GNUNET_CLIENT_Connection *client;
- LOG (GNUNET_ERROR_TYPE_INFO, _("Stopping service `%s' within %llu ms\n"),
- service_name, (unsigned long long) timeout.rel_value);
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Stopping service `%s' within %s\n",
+ service_name,
+ GNUNET_STRINGS_relative_time_to_string (timeout, GNUNET_NO));
if (h->client == NULL)
+ {
+ client = GNUNET_CLIENT_connect ("arm", h->cfg);
+ if (client == NULL)
{
- client = GNUNET_CLIENT_connect ("arm", h->cfg);
- if (client == NULL)
- {
- cb (cb_cls, GNUNET_SYSERR);
- return;
- }
- h->client = client;
- }
- if (0 == strcasecmp ("arm", service_name))
- {
- arm_shutdown_ctx = GNUNET_malloc (sizeof (struct ARM_ShutdownContext));
- arm_shutdown_ctx->cb = cb;
- arm_shutdown_ctx->cb_cls = cb_cls;
- arm_service_shutdown (h->client, timeout, &arm_shutdown_callback,
- arm_shutdown_ctx);
- h->client = NULL;
+ cb (cb_cls, GNUNET_SYSERR);
return;
}
+ h->client = client;
+ }
+ if (0 == strcasecmp ("arm", service_name))
+ {
+ arm_shutdown_ctx = GNUNET_malloc (sizeof (struct ARM_ShutdownContext));
+ arm_shutdown_ctx->cb = cb;
+ arm_shutdown_ctx->cb_cls = cb_cls;
+ arm_service_shutdown (h->client, timeout, &arm_shutdown_callback,
+ arm_shutdown_ctx);
+ h->client = NULL;
+ return;
+ }
change_service (h, service_name, timeout, cb, cb_cls,
GNUNET_MESSAGE_TYPE_ARM_STOP);
}
if (NULL == msg)
{
- LOG (GNUNET_ERROR_TYPE_WARNING,
- "Error receiving response to LIST request from ARM\n");
- GNUNET_CLIENT_disconnect (sc->h->client, GNUNET_NO);
+ GNUNET_break (0);
+ GNUNET_CLIENT_disconnect (sc->h->client);
sc->h->client = GNUNET_CLIENT_connect ("arm", sc->h->cfg);
GNUNET_assert (NULL != sc->h->client);
if (sc->callback != NULL)
if (NULL == end)
{
GNUNET_break (0);
- GNUNET_free (sc);
sc->callback (sc->cls, GNUNET_NO, 0, NULL);
+ GNUNET_free (sc);
return;
}
list[i] = pos;
struct GNUNET_MessageHeader msg;
struct GNUNET_CLIENT_Connection *client;
- if (h->client == NULL)
+ if (h->client == NULL)
+ {
+ client = GNUNET_CLIENT_connect ("arm", h->cfg);
+ if (client == NULL)
{
- client = GNUNET_CLIENT_connect ("arm", h->cfg);
- if (client == NULL)
- {
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "arm_api, GNUNET_CLIENT_connect returned NULL\n");
- cb (cb_cls, GNUNET_ARM_PROCESS_COMMUNICATION_ERROR, 0, NULL);
- return;
- }
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "arm_api, GNUNET_CLIENT_connect returned non-NULL\n");
- h->client = client;
+ GNUNET_break (0);
+ cb (cb_cls, GNUNET_ARM_PROCESS_COMMUNICATION_ERROR, 0, NULL);
+ return;
}
-
+ h->client = client;
+ }
+
sctx = GNUNET_malloc (sizeof (struct RequestContext));
sctx->h = h;
sctx->callback = cb;
msg.type = htons (GNUNET_MESSAGE_TYPE_ARM_LIST);
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Requesting LIST from ARM service with timeout: %llu ms\n",
- (unsigned long long)timeout.rel_value);
+ "Requesting LIST from ARM service with timeout: %s\n",
+ GNUNET_STRINGS_relative_time_to_string (timeout, GNUNET_YES));
- if (GNUNET_OK !=
+ if (GNUNET_OK !=
GNUNET_CLIENT_transmit_and_get_response (sctx->h->client,
&msg,
GNUNET_TIME_absolute_get_remaining
GNUNET_YES,
&handle_list_response,
sctx))
- {
- LOG (GNUNET_ERROR_TYPE_WARNING,
- "Error while trying to transmit request to list services to ARM\n");
- if (cb != NULL)
- cb (cb_cls, GNUNET_SYSERR, 0, NULL);
- GNUNET_free (sctx);
- return;
- }
+ {
+ GNUNET_break (0);
+ if (cb != NULL)
+ cb (cb_cls, GNUNET_SYSERR, 0, NULL);
+ GNUNET_free (sctx);
+ return;
+ }
}
/* end of arm_api.c */