boinc/lib/remote_submit.cpp

609 lines
17 KiB
C++

// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2012 University of California
//
// BOINC is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// BOINC 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
// C++ interfaces to web RPCs related to remote job submission,
// namely those described here:
// http://boinc.berkeley.edu/trac/wiki/RemoteInputFiles
// http://boinc.berkeley.edu/trac/wiki/RemoteOutputFiles
// http://boinc.berkeley.edu/trac/wiki/RemoteJobs
#include <curl/curl.h>
#include <stdio.h>
#include <vector>
#include <string>
#include <string.h>
#include "parse.h"
#include "remote_submit.h"
using std::vector;
using std::string;
// do an HTTP GET request.
//
static int do_http_get(
const char* url,
const char* dst_path
) {
FILE* reply = fopen(dst_path, "w");
if (!reply) return -1;
CURL *curl = curl_easy_init();
if (!curl) {
return -1;
}
curl_easy_setopt(curl, CURLOPT_URL, url);
curl_easy_setopt(curl, CURLOPT_USERAGENT, "BOINC remote job submission");
curl_easy_setopt(curl, CURLOPT_WRITEDATA, reply);
CURLcode res = curl_easy_perform(curl);
if (res != CURLE_OK) {
fprintf(stderr, "CURL error: %s\n", curl_easy_strerror(res));
}
curl_easy_cleanup(curl);
return 0;
}
// send an HTTP POST request,
// with an optional set of multi-part file attachments
//
static int do_http_post(
const char* url,
const char* request,
FILE* reply,
vector<string> send_files
) {
CURL *curl;
CURLcode res;
char buf[256];
curl = curl_easy_init();
if (!curl) {
return -1;
}
struct curl_httppost *formpost=NULL;
struct curl_httppost *lastptr=NULL;
struct curl_slist *headerlist=NULL;
curl_formadd(&formpost, &lastptr,
CURLFORM_COPYNAME, "request",
CURLFORM_COPYCONTENTS, request,
CURLFORM_END
);
for (unsigned int i=0; i<send_files.size(); i++) {
sprintf(buf, "file_%d", i);
string s = send_files[i];
curl_formadd(&formpost, &lastptr,
CURLFORM_COPYNAME, buf,
CURLFORM_FILE, s.c_str(),
CURLFORM_END
);
}
headerlist = curl_slist_append(headerlist, "Expect:");
curl_easy_setopt(curl, CURLOPT_URL, url);
curl_easy_setopt(curl, CURLOPT_USERAGENT, "BOINC Condor adapter");
curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost);
curl_easy_setopt(curl, CURLOPT_READDATA, request);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, reply);
res = curl_easy_perform(curl);
if (res != CURLE_OK) {
fprintf(stderr, "CURL error: %s\n", curl_easy_strerror(res));
}
curl_easy_cleanup(curl);
curl_formfree(formpost);
curl_slist_free_all(headerlist);
return 0;
}
int query_files(
const char* project_url,
const char* authenticator,
vector<string> &paths,
vector<string> &md5s,
int batch_id,
vector<int> &absent_files,
string& error_msg
) {
string req_msg;
char buf[256];
req_msg = "<query_files>\n";
sprintf(buf, "<authenticator>%s</authenticator>\n", authenticator);
req_msg += string(buf);
if (batch_id) {
sprintf(buf, "<batch_id>%d</batch_id>\n", batch_id);
req_msg += string(buf);
}
for (unsigned int i=0; i<md5s.size(); i++) {
sprintf(buf, " <md5>%s</md5>\n", md5s[i].c_str());
req_msg += string(buf);
}
req_msg += "</query_files>\n";
FILE* reply = tmpfile();
char url[256];
sprintf(url, "%sjob_file.php", project_url);
int retval = do_http_post(url, req_msg.c_str(), reply, paths);
if (retval) {
fclose(reply);
return retval;
}
fseek(reply, 0, SEEK_SET);
int x;
retval = -1;
error_msg = "";
while (fgets(buf, 256, reply)) {
//printf("reply: %s", buf);
if (strstr(buf, "absent_files")) {
retval = 0;
continue;
}
if (parse_int(buf, "<error_num>", retval)) continue;
if (parse_str(buf, "<error_msg>", error_msg)) continue;
if (parse_int(buf, "<file>", x)) {
absent_files.push_back(x);
continue;
}
}
fclose(reply);
return retval;
}
int upload_files (
const char* project_url,
const char* authenticator,
vector<string> &paths,
vector<string> &md5s,
int batch_id,
string &error_msg
) {
char buf[1024];
string req_msg = "<upload_files>\n";
sprintf(buf, "<authenticator>%s</authenticator>\n", authenticator);
req_msg += string(buf);
if (batch_id) {
sprintf(buf, "<batch_id>%d</batch_id>\n", batch_id);
req_msg += string(buf);
}
for (unsigned int i=0; i<md5s.size(); i++) {
sprintf(buf, "<md5>%s</md5>\n", md5s[i].c_str());
req_msg += string(buf);
}
req_msg += "</upload_files>\n";
FILE* reply = tmpfile();
char url[256];
sprintf(url, "%sjob_file.php", project_url);
int retval = do_http_post(url, req_msg.c_str(), reply, paths);
if (retval) {
fclose(reply);
return retval;
}
fseek(reply, 0, SEEK_SET);
bool success = false;
retval = -1;
error_msg = "";
while (fgets(buf, 256, reply)) {
//printf("upload_files reply: %s", buf);
if (strstr(buf, "success")) {
retval = 0;
continue;
}
if (parse_int(buf, "<error_num>", retval)) continue;
if (parse_str(buf, "<error_msg>", error_msg)) continue;
}
fclose(reply);
return retval;
}
int create_batch(
const char* project_url,
const char* authenticator,
const char* batch_name,
const char* app_name,
int& batch_id,
string& error_msg
) {
char request[1024];
char url[1024];
sprintf(request,
"<create_batch>\n"
" <authenticator>%s</authenticator>\n"
" <batch>\n"
" <batch_name>%s</batch_name>\n"
" <app_name>%s</app_name>\n"
" </batch>\n"
"</create_batch>\n",
authenticator,
batch_name,
app_name
);
sprintf(url, "%ssubmit_rpc_handler.php", project_url);
FILE* reply = tmpfile();
vector<string> x;
int retval = do_http_post(url, request, reply, x);
if (retval) {
fclose(reply);
return retval;
}
char buf[256];
batch_id = 0;
fseek(reply, 0, SEEK_SET);
int error_num = 0;
error_msg = "";
while (fgets(buf, 256, reply)) {
//printf("create_batch reply: %s", buf);
if (parse_int(buf, "<batch_id>", batch_id)) continue;
if (parse_int(buf, "<error_num>", error_num)) continue;
if (parse_str(buf, "<error_msg>", error_msg)) continue;
}
fclose(reply);
return error_num;
}
int submit_jobs(
const char* project_url,
const char* authenticator,
SUBMIT_REQ &req,
string& error_msg
) {
char buf[1024], url[1024];
sprintf(buf,
"<submit_batch>\n"
"<authenticator>%s</authenticator>\n"
"<batch>\n"
" <batch_id>%d</batch_id>\n"
" <app_name>%s</app_name>\n",
authenticator,
req.batch_id,
req.app_name
);
string request = buf;
for (unsigned int i=0; i<req.jobs.size(); i++) {
JOB job=req.jobs[i];
request += "<job>\n";
if (!job.cmdline_args.empty()) {
request += "<command_line>" + job.cmdline_args + "</command_line>\n";
}
for (unsigned int j=0; j<job.infiles.size(); j++) {
INFILE infile = job.infiles[j];
map<string, LOCAL_FILE>::iterator iter = req.local_files.find(infile.src_path);
if (iter == req.local_files.end()) {
fprintf(stderr, "file %s not in map\n", infile.src_path);
exit(1);
}
LOCAL_FILE& lf = iter->second;
sprintf(buf,
"<input_file>\n"
"<mode>local_staged</mode>\n"
"<source>jf_%s</source>\n"
"</input_file>\n",
lf.md5
);
request += buf;
}
request += "</job>\n";
}
request += "</batch>\n</submit_batch>\n";
sprintf(url, "%ssubmit_rpc_handler.php", project_url);
FILE* reply = tmpfile();
vector<string> x;
int retval = do_http_post(url, request.c_str(), reply, x);
if (retval) {
fclose(reply);
return retval;
}
fseek(reply, 0, SEEK_SET);
retval = -1;
error_msg = "";
int temp;
while (fgets(buf, 256, reply)) {
printf("submit_batch reply: %s", buf);
if (parse_int(buf, "<batch_id>", temp)) {
retval = 0;
continue;
}
if (parse_int(buf, "<error_num>", retval)) continue;
if (parse_str(buf, "<error_msg>", error_msg)) continue;
}
fclose(reply);
return retval;
}
int query_batches(
const char* project_url,
const char* authenticator,
vector<string> &batch_names,
QUERY_BATCH_REPLY& qb_reply,
string& error_msg
) {
string request;
char url[1024], buf[256];
request = "<query_batch2>\n";
sprintf(buf, "<authenticator>%s</authenticator>\n", authenticator);
request += string(buf);
for (unsigned int i=0; i<batch_names.size(); i++) {
sprintf(buf, "<batch_name>%s</batch_name>\n", batch_names[i].c_str());
request += string(buf);
}
request += "</query_batch2>\n";
sprintf(url, "%ssubmit_rpc_handler.php", project_url);
FILE* reply = tmpfile();
vector<string> x;
int retval = do_http_post(url, request.c_str(), reply, x);
if (retval) {
fclose(reply);
return retval;
}
fseek(reply, 0, SEEK_SET);
retval = -1;
error_msg = "";
while (fgets(buf, 256, reply)) {
if (strstr(buf, "jobs")) {
retval = 0;
continue;
}
if (parse_int(buf, "<error_num>", retval)) continue;
if (parse_str(buf, "<error_msg>", error_msg)) continue;
if (strstr(buf, "<job>")) {
QUERY_BATCH_JOB qbj;
while (fgets(buf, 256, reply)) {
if (strstr(buf, "</job>")) {
qb_reply.jobs.push_back(qbj);
}
if (parse_str(buf, "job_name", qbj.job_name)) continue;
if (parse_str(buf, "status", qbj.status)) continue;
}
continue;
}
}
fclose(reply);
return retval;
}
int abort_jobs(
const char* project_url,
const char* authenticator,
string batch_name,
vector<string> &job_names,
string &error_msg
) {
string request;
char url[1024], buf[256];
request = "<abort_jobs>\n";
sprintf(buf, "<authenticator>%s</authenticator>\n", authenticator);
request += string(buf);
sprintf(buf, "<batch_name>%s</batch_name>\n", batch_name.c_str());
request += string(buf);
for (unsigned int i=0; i<job_names.size(); i++) {
sprintf(buf, "<job_name>%s</job_name>\n", job_names[i].c_str());
request += string(buf);
}
request += "</abort_jobs>\n";
sprintf(url, "%ssubmit_rpc_handler.php", project_url);
FILE* reply = tmpfile();
vector<string> x;
int retval = do_http_post(url, request.c_str(), reply, x);
if (retval) {
fclose(reply);
return retval;
}
fseek(reply, 0, SEEK_SET);
retval = -1;
error_msg = "";
while (fgets(buf, 256, reply)) {
if (strstr(buf, "success")) {
retval = 0;
continue;
}
if (parse_int(buf, "<error_num>", retval)) continue;
if (parse_str(buf, "<error_msg>", error_msg)) continue;
}
fclose(reply);
return retval;
}
int get_templates(
const char* project_url,
const char* authenticator,
const char* app_name,
const char* job_name,
TEMPLATE_DESC &td,
string &error_msg
) {
string request;
char url[1024], buf[256];
request = "<get_templates>\n";
sprintf(buf, "<authenticator>%s</authenticator>\n", authenticator);
request += string(buf);
if (app_name) {
sprintf(buf, "<app_name>%s</app_name>\n", app_name);
request += string(buf);
} else {
sprintf(buf, "<job_name>%s</job_name>\n", job_name);
request += string(buf);
}
request += "</get_templates>\n";
sprintf(url, "%ssubmit_rpc_handler.php", project_url);
FILE* reply = tmpfile();
vector<string> x;
int retval = do_http_post(url, request.c_str(), reply, x);
if (retval) {
fclose(reply);
return retval;
}
retval = -1;
error_msg = "";
fseek(reply, 0, SEEK_SET);
while (fgets(buf, 256, reply)) {
if (parse_int(buf, "<error_num>", retval)) continue;
if (parse_str(buf, "<error_msg>", error_msg)) continue;
if (strstr(buf, "<templates>")) {
MIOFILE mf;
XML_PARSER xp(&mf);
mf.init_file(reply);
retval = td.parse(xp);
}
}
fclose(reply);
return retval;
}
int TEMPLATE_DESC::parse(XML_PARSER& xp) {
int retval;
string s;
while (!xp.get_tag()) {
if (xp.match_tag("input_template")) {
while (!xp.get_tag()) {
if (xp.match_tag("/input_template")) break;
if (xp.parse_string("open_name", s)) {
input_files.push_back(s);
}
}
}
if (xp.match_tag("output_template")) {
while (!xp.get_tag()) {
if (xp.match_tag("/output_template")) break;
if (xp.parse_string("open_name", s)) {
output_files.push_back(s);
}
}
}
}
return 0;
}
int COMPLETED_JOB_DESC::parse(XML_PARSER& xp) {
canonical_resultid = 0;
error_mask = 0;
error_resultid = 0;
exit_status = 0;
elapsed_time = 0;
cpu_time = 0;
while (!xp.get_tag()) {
if (xp.match_tag("/completed_job")) return 0;
if (xp.parse_int("canonical_resultid", canonical_resultid)) continue;
if (xp.parse_int("error_mask", error_mask)) continue;
if (xp.parse_int("error_resultid", error_resultid)) continue;
if (xp.parse_int("exit_status", exit_status)) continue;
if (xp.parse_double("elapsed_time", elapsed_time)) continue;
if (xp.parse_double("cpu_time", cpu_time)) continue;
if (xp.parse_string("stderr_out", stderr_out)) {
xml_unescape(stderr_out);
continue;
}
}
return ERR_XML_PARSE;
}
int get_output_file(
const char* project_url,
const char* authenticator,
const char* job_name,
int file_num,
const char* dst_path,
string &error_msg
) {
char url[1024];
sprintf(url, "%sget_output.php?cmd=workunit_file&auth_str=%s&wu_name=%s&file_num=%d",
project_url, authenticator, job_name, file_num
);
printf("fetching %s to %s\n", url, dst_path);
int retval = do_http_get(url, dst_path);
error_msg = "";
if (retval) {
char buf[1024];
sprintf(buf, "couldn't fetch %s: %d", url, retval);
error_msg = string(buf);
}
return retval;
}
int query_completed_job(
const char* project_url,
const char* authenticator,
const char* job_name,
COMPLETED_JOB_DESC& jd,
string &error_msg
) {
string request;
char url[1024], buf[256];
request = "<query_completed_job>\n";
sprintf(buf, "<authenticator>%s</authenticator>\n", authenticator);
request += string(buf);
sprintf(buf, "<job_name>%s</job_name>\n", job_name);
request += string(buf);
request += "</query_completed_job>\n";
sprintf(url, "%ssubmit_rpc_handler.php", project_url);
FILE* reply = tmpfile();
vector<string> x;
int retval = do_http_post(url, request.c_str(), reply, x);
if (retval) {
fclose(reply);
return retval;
}
retval = -1;
error_msg = "";
fseek(reply, 0, SEEK_SET);
while (fgets(buf, 256, reply)) {
if (parse_int(buf, "<error_num>", retval)) continue;
if (parse_str(buf, "<error_msg>", error_msg)) continue;
if (strstr(buf, "<completed_job>")) {
MIOFILE mf;
XML_PARSER xp(&mf);
mf.init_file(reply);
retval = jd.parse(xp);
}
}
fclose(reply);
return retval;
}
int ping_server(
const char* project_url,
string &error_msg
) {
string request;
char url[1024], buf[256];
request = "<ping> </ping>\n"; // the space is needed
sprintf(url, "%ssubmit_rpc_handler.php", project_url);
FILE* reply = tmpfile();
vector<string> x;
int retval = do_http_post(url, request.c_str(), reply, x);
if (retval) {
fclose(reply);
return retval;
}
retval = -1;
error_msg = "";
fseek(reply, 0, SEEK_SET);
while (fgets(buf, 256, reply)) {
//printf("reply: %s\n", buf);
if (parse_int(buf, "<error_num>", retval)) continue;
if (parse_str(buf, "<error_msg>", error_msg)) continue;
if (strstr(buf, "success")) {
retval = 0;
continue;
}
}
fclose(reply);
return retval;
}