mirror of https://github.com/BOINC/boinc.git
implement slave side of message passing
git-svn-id: svn+ssh://cvs.lpds.sztaki.hu/var/lib/svn/szdg/dcapi/trunk@1030 a7169a2c-3604-0410-bc95-c702d8d87f7a
This commit is contained in:
drotos
Adam Visegradi
parent
ff1e7f0d43
commit
3759718634
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@ -22,6 +22,8 @@
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#include <dc_client.h>
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#include "local_common.h"
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/*#include "local_slave.h"*/
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#include "local_utils.h"
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static int _DC_checkpoint_file_requested= 0;
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@ -63,13 +65,35 @@ unsigned DC_getGridCapabilities(void)
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/********************************************************************
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* Client API functions
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*/
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/*done*/
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int DC_initClient(void)
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{
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char *message;
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int ret= _DC_parseCfg(CLIENT_CONFIG_NAME);
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if (ret)
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fprintf(stderr, "Error parsing configfile %s",
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CLIENT_CONFIG_NAME);
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_DC_init_utils();
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_DC_init_common();
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return 0;
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DC_log(LOG_DEBUG, "Slave dcapi initialized");
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message= _DC_read_message(_DC_cfg(cfg_management_box),
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_DCAPI_MSG_COMMAND, /*FALSE*/0);
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if (message &&
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strcmp(message, _DCAPI_CMD_RESUME) == 0)
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{
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DC_log(LOG_INFO, "Resume, restarting...");
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_DC_read_message(_DC_cfg(cfg_management_box),
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_DCAPI_MSG_COMMAND, /*TRUE*/1);
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}
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return ret;
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}
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/*done*/
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char *DC_resolveFileName(DC_FileType type, const char *logicalFileName)
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{
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/* init_log calls this fn, so it is not possible to call DC_log
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@ -144,32 +168,170 @@ char *DC_resolveFileName(DC_FileType type, const char *logicalFileName)
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*/
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}
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/*done*/
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int DC_sendResult(const char *logicalFileName, const char *path, DC_FileMode fileMode)
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{
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char *fn;
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int ret;
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DC_log(LOG_DEBUG, "DC_sendResult(%s,%s,%d)",
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logicalFileName,
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path,
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fileMode);
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fn= malloc(strlen(logicalFileName)+100);
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strcpy(fn, _DC_cfg(cfg_subresults_box));
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strcat(fn, "/real_files");
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if ((ret= _DC_mkdir_with_parents(fn, S_IRWXU|
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S_IRGRP|S_IXGRP|
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S_IROTH|S_IXOTH)) != DC_OK)
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{
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DC_log(LOG_ERR, "Failed to create dir for subresult (%s): %s",
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fn, strerror(errno));
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free(fn);
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return(ret);
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}
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strcat(fn, "/");
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strcat(fn, logicalFileName);
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if ((ret= _DC_copyFile(path, fn)) != DC_OK)
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{
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DC_log(LOG_ERR, "Failed to copy subresult file %s to "
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"%s: %s", path, fn, strerror(errno));
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free(fn);
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return(ret);
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}
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ret= _DC_create_message(_DC_cfg(cfg_subresults_box),
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_DCAPI_MSG_LOGICAL, logicalFileName, NULL);
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free(fn);
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return(ret);
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// not implemented yet!
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return DC_ERR_NOTIMPL;
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}
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/*done*/
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int DC_sendMessage(const char *message)
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{
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DC_log(LOG_DEBUG, "DC_sendMessage(%s)", message);
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return _DC_create_message(_DC_cfg(cfg_client_message_box),
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_DCAPI_MSG_MESSAGE, message, NULL);
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// not implemented yet!
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return DC_ERR_NOTIMPL;
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}
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/*done*/
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DC_ClientEvent *DC_checkClientEvent(void)
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{
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char *message;
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DC_ClientEvent *e= NULL;
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message= _DC_read_message(_DC_cfg(cfg_master_message_box),
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_DCAPI_MSG_MESSAGE, /*TRUE*/1);
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if (message)
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{
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if ((e= calloc(1, sizeof(DC_ClientEvent))))
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{
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DC_log(LOG_DEBUG, "API event created: %p", e);
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e->type= DC_CLIENT_MESSAGE;
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e->message= message;
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DC_log(LOG_DEBUG, "Message of the event: %s",
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e->message);
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}
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else
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{
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free(message);
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DC_log(LOG_ERR, "Failed to create "
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"API event, memory allocation "
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"error");
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}
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return(e);
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}
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message= _DC_read_message(_DC_cfg(cfg_management_box),
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_DCAPI_MSG_COMMAND, /*TRUE*/1);
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if (message &&
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strcmp(message, _DCAPI_CMD_SUSPEND) == 0)
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{
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char *fn;
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int f;
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DC_log(LOG_INFO, "Master asked me to suspend");
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_DC_create_message(_DC_cfg(cfg_management_box),
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_DCAPI_MSG_ACK,
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_DCAPI_ACK_SUSPEND,
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NULL);
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fn= DC_resolveFileName(DC_FILE_IN, DC_CHECKPOINT_FILE);
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if (fn != NULL)
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free(fn);
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else
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{
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DC_log(LOG_WARNING, "Slave suspending but "
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"no checkpoint made yet");
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free(fn);
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}
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fflush(NULL);
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fn= DC_resolveFileName(DC_FILE_OUT, DC_LABEL_STDOUT);
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if (fn)
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{
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if ((f= open(fn, O_APPEND)) > 0)
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{
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fsync(f);
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close(f);
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}
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free(fn);
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}
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_DC_create_message(_DC_cfg(cfg_output_cache),
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DC_LABEL_STDOUT,
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NULL,
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DC_LABEL_STDOUT);
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fn= DC_resolveFileName(DC_FILE_OUT, DC_LABEL_STDERR);
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if (fn)
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{
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if ((f= open(fn, O_APPEND)) > 0)
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{
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fsync(f);
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close(f);
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}
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free(fn);
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}
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_DC_create_message(_DC_cfg(cfg_output_cache),
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DC_LABEL_STDERR,
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NULL,
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DC_LABEL_STDERR);
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DC_finishClient(0);
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}
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// not implemented yet!
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return NULL;
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}
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/*done*/
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void DC_destroyClientEvent(DC_ClientEvent *event)
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{
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DC_log(LOG_DEBUG, "DC_destroyClientEvent(%p)", event);
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if (event)
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{
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switch (event->type)
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{
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case DC_CLIENT_MESSAGE:
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{
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if (event->message)
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free(event->message);
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break;
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}
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default:
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break;
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}
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free(event);
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}
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// not implemented yet!
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}
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/*done*/
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void DC_checkpointMade(const char *fileName)
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{
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DC_log(LOG_DEBUG, "DC_checkpointMade(%s)", fileName);
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