Merge "Mtce: Improve non-blocking http request dispatch"

This commit is contained in:
Zuul 2018-09-11 14:25:35 +00:00 committed by Gerrit Code Review
commit 0e9b4a9b2f
5 changed files with 93 additions and 38 deletions

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@ -1,3 +1,3 @@
SRC_DIR="cgts-mtce-common-1.0" SRC_DIR="cgts-mtce-common-1.0"
TIS_PATCH_VER=137 TIS_PATCH_VER=138
BUILD_IS_SLOW=5 BUILD_IS_SLOW=5

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@ -112,6 +112,7 @@
#define FIT_CODE__LOCK_HOST (31) #define FIT_CODE__LOCK_HOST (31)
#define FIT_CODE__FORCE_LOCK_HOST (32) #define FIT_CODE__FORCE_LOCK_HOST (32)
#define FIT_CODE__UNLOCK_HOST (33) #define FIT_CODE__UNLOCK_HOST (33)
#define FIT_CODE__FAIL_SWACT (34)
#define FIT_CODE__FM_SET_ALARM (40) #define FIT_CODE__FM_SET_ALARM (40)
#define FIT_CODE__FM_GET_ALARM (41) #define FIT_CODE__FM_GET_ALARM (41)

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@ -1344,8 +1344,8 @@ int daemon_load_fit ( void )
{ {
daemon_log_value ( "/var/run/fit/fithits", "hits =", __fit_info.hits ); daemon_log_value ( "/var/run/fit/fithits", "hits =", __fit_info.hits );
daemon_remove_file ( "/var/run/fit/fitdone" ); daemon_remove_file ( "/var/run/fit/fitdone" );
daemon_rename_file ( FIT__INFO_FILEPATH, FIT__INFO_FILENAME, FIT__INFO_FILENAME_RENAMED );
} }
daemon_rename_file ( FIT__INFO_FILEPATH, FIT__INFO_FILENAME, FIT__INFO_FILENAME_RENAMED );
#endif #endif
return (PASS); return (PASS);

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@ -260,7 +260,7 @@ int mtcHttpUtil_request_old ( libEvent & event,
void(*hdlr)(struct evhttp_request *, void *)) void(*hdlr)(struct evhttp_request *, void *))
{ {
int rc = PASS ; int rc = PASS ;
/* make a new request and bind the event handler to it */ /* make a new request and bind the event handler to it */
event.req = evhttp_request_new( hdlr , event.base ); event.req = evhttp_request_new( hdlr , event.base );
if ( ! event.req ) if ( ! event.req )
@ -275,7 +275,7 @@ int mtcHttpUtil_request_new ( libEvent & event,
void(*hdlr)(struct evhttp_request *, void *)) void(*hdlr)(struct evhttp_request *, void *))
{ {
int rc = PASS ; int rc = PASS ;
/* make a new request and bind the event handler to it */ /* make a new request and bind the event handler to it */
event.req = evhttp_request_new( hdlr , &event ); event.req = evhttp_request_new( hdlr , &event );
if ( ! event.req ) if ( ! event.req )
@ -374,15 +374,15 @@ int mtcHttpUtil_header_add ( libEvent * ptr, http_headers_type * hdrs_ptr )
if ( hdrs_ptr->entries > MAX_HEADERS ) if ( hdrs_ptr->entries > MAX_HEADERS )
{ {
elog ("%s Too many headers (%d:%d)\n", elog ("%s Too many headers (%d:%d)\n",
ptr->hostname.c_str(), MAX_HEADERS, hdrs_ptr->entries ); ptr->hostname.c_str(), MAX_HEADERS, hdrs_ptr->entries );
return FAIL ; return FAIL ;
} }
for ( int i = 0 ; i < hdrs_ptr->entries ; i++ ) for ( int i = 0 ; i < hdrs_ptr->entries ; i++ )
{ {
/* Add the header */ /* Add the header */
rc = evhttp_add_header( ptr->req->output_headers, rc = evhttp_add_header( ptr->req->output_headers,
hdrs_ptr->entry[i].key.c_str() , hdrs_ptr->entry[i].key.c_str() ,
hdrs_ptr->entry[i].value.c_str()); hdrs_ptr->entry[i].value.c_str());
if ( rc ) if ( rc )
{ {
@ -391,12 +391,12 @@ int mtcHttpUtil_header_add ( libEvent * ptr, http_headers_type * hdrs_ptr )
hdrs_ptr->entry[i].value.c_str()); hdrs_ptr->entry[i].value.c_str());
rc = FAIL ; rc = FAIL ;
break ; break ;
} }
} }
return (rc); return (rc);
} }
//int mtcHttpUtil_request_make ( libEvent * ptr, //int mtcHttpUtil_request_make ( libEvent * ptr,
// enum evhttp_cmd_type type, // enum evhttp_cmd_type type,
// string path ) // string path )
//{ //{
@ -451,7 +451,7 @@ int mtcHttpUtil_status ( libEvent & event )
} }
default: default:
{ {
hlog3 ("%s Status: %d\n", event.hostname.c_str(), event.status ); wlog ("%s Status: %d\n", event.hostname.c_str(), event.status );
rc = event.status ; rc = event.status ;
break; break;
} }
@ -476,16 +476,16 @@ int mtcHttpUtil_status ( libEvent & event )
int mtcHttpUtil_api_request ( libEvent & event ) int mtcHttpUtil_api_request ( libEvent & event )
{ {
http_headers_type hdrs ; http_headers_type hdrs ;
int hdr_entry = 0 ; int hdr_entry = 0 ;
int rc = FAIL ; int rc = FAIL ;
void(*handler)(struct evhttp_request *, void *) = NULL ; void(*handler)(struct evhttp_request *, void *) = NULL ;
/* Default to PUT */ /* Default to PUT */
event.type = EVHTTP_REQ_PUT ; event.type = EVHTTP_REQ_PUT ;
if (( event.request == SERVICE_NONE ) || if (( event.request == SERVICE_NONE ) ||
( event.request >= SERVICE_LAST )) ( event.request >= SERVICE_LAST ))
{ {
slog ("Invalid request %d\n", event.request); slog ("Invalid request %d\n", event.request);
event.status = FAIL_BAD_PARM ; event.status = FAIL_BAD_PARM ;
@ -577,7 +577,7 @@ int mtcHttpUtil_api_request ( libEvent & event )
event.payload.append (",\"task\":\"\""); event.payload.append (",\"task\":\"\"");
event.payload.append (",\"action\":\"none\""); event.payload.append (",\"action\":\"none\"");
event.payload.append (",\"personality\":\""); event.payload.append (",\"personality\":\"");
event.payload.append ( event.inv_info.type ); event.payload.append ( event.inv_info.type );
event.payload.append ("\""); event.payload.append ("\"");
@ -593,9 +593,9 @@ int mtcHttpUtil_api_request ( libEvent & event )
event.payload.append (",\"availability\":\""); event.payload.append (",\"availability\":\"");
event.payload.append ( event.inv_info.avail ); event.payload.append ( event.inv_info.avail );
event.payload.append ("\""); event.payload.append ("\"");
event.payload.append (",\"bm_ip\":\"\""); event.payload.append (",\"bm_ip\":\"\"");
if ( !event.inv_info.name.compare("controller-0") ) if ( !event.inv_info.name.compare("controller-0") )
{ {
event.payload.append (",\"invprovision\":\"provisioned\""); event.payload.append (",\"invprovision\":\"provisioned\"");
@ -662,7 +662,7 @@ int mtcHttpUtil_api_request ( libEvent & event )
event.timeout = HTTP_VIM_TIMEOUT ; event.timeout = HTTP_VIM_TIMEOUT ;
} }
else if (( event.request == SMGR_QUERY_SWACT ) || else if (( event.request == SMGR_QUERY_SWACT ) ||
( event.request == SMGR_START_SWACT ) || ( event.request == SMGR_START_SWACT ) ||
( event.request == SMGR_HOST_LOCKED ) || ( event.request == SMGR_HOST_LOCKED ) ||
( event.request == SMGR_HOST_UNLOCKED ) || ( event.request == SMGR_HOST_UNLOCKED ) ||
@ -719,7 +719,7 @@ int mtcHttpUtil_api_request ( libEvent & event )
jlog ("%s Address : %s\n", event.hostname.c_str(), event.token.url.c_str()); jlog ("%s Address : %s\n", event.hostname.c_str(), event.token.url.c_str());
} }
if (( event.type != EVHTTP_REQ_GET ) && if (( event.type != EVHTTP_REQ_GET ) &&
( event.type != EVHTTP_REQ_DELETE )) ( event.type != EVHTTP_REQ_DELETE ))
{ {
/* Add payload to the output buffer but only for PUT, POST and PATCH requests */ /* Add payload to the output buffer but only for PUT, POST and PATCH requests */
@ -730,15 +730,15 @@ int mtcHttpUtil_api_request ( libEvent & event )
} }
if ( daemon_get_cfg_ptr()->debug_json ) if ( daemon_get_cfg_ptr()->debug_json )
{ {
if ((!string_contains(event.payload,"token")) && if ((!string_contains(event.payload,"token")) &&
(!string_contains(event.payload,"assword"))) (!string_contains(event.payload,"assword")))
{ {
jlog ("%s Payload : %s\n", event.hostname.c_str(), jlog ("%s Payload : %s\n", event.hostname.c_str(),
event.payload.c_str() ); event.payload.c_str() );
} }
else else
{ {
jlog ("%s Payload : ... contains private content ...\n", jlog ("%s Payload : ... contains private content ...\n",
event.hostname.c_str()); event.hostname.c_str());
} }
@ -754,7 +754,7 @@ int mtcHttpUtil_api_request ( libEvent & event )
hdrs.entry[hdr_entry].value = "admin"; hdrs.entry[hdr_entry].value = "admin";
hdr_entry++; hdr_entry++;
if (( event.type != EVHTTP_REQ_GET ) && if (( event.type != EVHTTP_REQ_GET ) &&
( event.type != EVHTTP_REQ_DELETE )) ( event.type != EVHTTP_REQ_DELETE ))
{ {
hdrs.entry[hdr_entry].key = "Content-Length" ; hdrs.entry[hdr_entry].key = "Content-Length" ;
@ -765,7 +765,7 @@ int mtcHttpUtil_api_request ( libEvent & event )
hdrs.entry[hdr_entry].key = "User-Agent" ; hdrs.entry[hdr_entry].key = "User-Agent" ;
hdrs.entry[hdr_entry].value = "mtce/1.0" ; hdrs.entry[hdr_entry].value = "mtce/1.0" ;
hdr_entry++; hdr_entry++;
hdrs.entry[hdr_entry].key = "Content-Type" ; hdrs.entry[hdr_entry].key = "Content-Type" ;
hdrs.entry[hdr_entry].value = "application/json" ; hdrs.entry[hdr_entry].value = "application/json" ;
hdr_entry++; hdr_entry++;
@ -800,13 +800,13 @@ int mtcHttpUtil_api_request ( libEvent & event )
event.status = FAIL_HEADER_ADD ; event.status = FAIL_HEADER_ADD ;
goto mtcHttpUtil_api_request_done ; goto mtcHttpUtil_api_request_done ;
} }
/* get some timestamps and log the request */ /* get some timestamps and log the request */
snprintf (&event.req_str[0], MAX_API_LOG_LEN-1, snprintf (&event.req_str[0], MAX_API_LOG_LEN-1,
"\n%s [%5d] %s %s '%s' seq:%d -> Address : %s:%d %s %s ... %s", "\n%s [%5d] %s %s '%s' seq:%d -> Address : %s:%d %s %s ... %s",
pt(), getpid(), pt(), getpid(),
event.hostname.c_str(), event.hostname.c_str(),
event.service.c_str(), event.service.c_str(),
event.operation.c_str(), event.operation.c_str(),
event.sequence, event.ip.c_str(), event.port, event.sequence, event.ip.c_str(), event.port,
getHttpCmdType_str( event.type ), getHttpCmdType_str( event.type ),
@ -842,10 +842,10 @@ int mtcHttpUtil_api_request ( libEvent & event )
event.log_prefix.append (" "); event.log_prefix.append (" ");
event.log_prefix.append (event.operation) ; event.log_prefix.append (event.operation) ;
hlog ("%s Requested (blocking) (to:%d)\n", event.log_prefix.c_str(), event.timeout); hlog ("%s Requested (blocking) (to:%d)\n", event.log_prefix.c_str(), event.timeout);
/* Send the message with timeout */ /* Send the message with timeout */
event_base_dispatch(event.base); event_base_dispatch(event.base);
goto mtcHttpUtil_api_request_done ; goto mtcHttpUtil_api_request_done ;
} }
else if (( event.request == SYSINV_UPDATE ) || else if (( event.request == SYSINV_UPDATE ) ||
@ -865,13 +865,50 @@ int mtcHttpUtil_api_request ( libEvent & event )
{ {
if ( event.operation.compare(SYSINV_OPER__UPDATE_UPTIME) ) if ( event.operation.compare(SYSINV_OPER__UPDATE_UPTIME) )
{ {
hlog ("%s Dispatched (to:%d)\n", event.log_prefix.c_str(), event.timeout); hlog ("%s Dispatched (to:%d)\n", event.log_prefix.c_str(), event.timeout);
} }
/* TODO: Set a command timer to free up the resources /*
* and deal with the error if the handler never runs */ * non-blocking event_base_loop can return ...
*
* 0 - command complete ; data available
* 1 - command dispatched but not complete ; no data available
* -1 - error in dispatch ; check errno
*
*/
event.active = true ; event.active = true ;
return (event_base_loop(event.base, EVLOOP_NONBLOCK)); rc = event_base_loop(event.base, EVLOOP_NONBLOCK);
#ifdef WANT_FIT_TESTING
string value = "" ;
if ( daemon_want_fit ( FIT_CODE__FAIL_SWACT, event.hostname, "query", value ))
{
if ( value == "-1" )
rc = -1 ;
else
rc = atoi(value.data());
}
#endif
if (( rc == 0 ) || // Dispatched and done with Data ready
( rc == 1 )) // Dispatched but no response yet
{
if (( event.request == SMGR_QUERY_SWACT ) ||
( event.request == SMGR_START_SWACT ))
{
ilog ("%s dispatched%s\n",
event.log_prefix.c_str(),
rc ? "" : " ; data ready" );
}
rc = PASS ;
}
else
{
elog ("%s command dispatch failed (%d)\n",
event.log_prefix.c_str(), errno );
event.active = false ;
rc = FAIL_REQUEST ;
}
return (rc);
} }
else else
{ {
@ -881,7 +918,7 @@ int mtcHttpUtil_api_request ( libEvent & event )
event.log_prefix.append (event.service) ; event.log_prefix.append (event.service) ;
event.log_prefix.append (" "); event.log_prefix.append (" ");
event.log_prefix.append (event.operation) ; event.log_prefix.append (event.operation) ;
slog ("%s Requested (blocking) (to:%d) ----------------------------------------\n", event.log_prefix.c_str(), event.timeout ); slog ("%s Requested (blocking) (to:%d) ----------------------------------------\n", event.log_prefix.c_str(), event.timeout );
event_base_dispatch(event.base); event_base_dispatch(event.base);
@ -890,10 +927,10 @@ int mtcHttpUtil_api_request ( libEvent & event )
} }
else else
{ {
elog ("%s Call to 'evhttp_make_request' failed (rc:%d)\n", elog ("%s Call to 'evhttp_make_request' failed (rc:%d)\n",
event.hostname.c_str(), rc); event.hostname.c_str(), rc);
} }
return (FAIL_MAKE_REQUEST); return (FAIL_MAKE_REQUEST);
mtcHttpUtil_api_request_done: mtcHttpUtil_api_request_done:

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@ -58,6 +58,8 @@ void nodeLinkClass::mtcSmgrApi_handler ( struct evhttp_request *req, void *arg )
mtcSmgrApi_handler_out: mtcSmgrApi_handler_out:
mtcHttpUtil_log_event ( smgrEvent );
if ( smgrEvent.blocking == true ) if ( smgrEvent.blocking == true )
{ {
mtcHttpUtil_free_conn ( smgrEvent ); mtcHttpUtil_free_conn ( smgrEvent );
@ -120,6 +122,15 @@ int nodeLinkClass::mtcSmgrApi_request ( struct nodeLinkClass::node * node_ptr, m
elog ("%s failed to allocate libEvent memory (%d)\n", node_ptr->hostname.c_str(), rc ); elog ("%s failed to allocate libEvent memory (%d)\n", node_ptr->hostname.c_str(), rc );
return (rc); return (rc);
} }
#ifdef WANT_FIT_TESTING
string value = "" ;
if ( daemon_want_fit ( FIT_CODE__FAIL_SWACT, node_ptr->hostname, "port", value ))
{
smgrEvent.port = atoi(value.data());
}
#endif
/* Set the common context of this new operation */ /* Set the common context of this new operation */
smgrEvent.status = RETRY ; smgrEvent.status = RETRY ;
smgrEvent.hostname = node_ptr->hostname ; smgrEvent.hostname = node_ptr->hostname ;
@ -143,7 +154,13 @@ int nodeLinkClass::mtcSmgrApi_request ( struct nodeLinkClass::node * node_ptr, m
ilog ("%s sending 'query services' request to HA Service Manager\n", ilog ("%s sending 'query services' request to HA Service Manager\n",
smgrEvent.hostname.c_str()); smgrEvent.hostname.c_str());
return ( mtcHttpUtil_api_request ( smgrEvent )) ; rc = mtcHttpUtil_api_request ( smgrEvent ) ;
if ( rc )
{
elog ("%s mtcHttpUtil_api_request (rc:%d)\n",
node_ptr->hostname.c_str(), rc );
}
return ( rc ) ;
} }
else if ( operation == CONTROLLER_SWACT ) else if ( operation == CONTROLLER_SWACT )
{ {