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mirror of https://github.com/sasjs/server.git synced 2025-12-10 19:34:34 +00:00

chore: splitted functions into different files

This commit is contained in:
2022-06-19 07:07:39 +05:00
parent 3e0a2de2ad
commit f738a6d7a3
5 changed files with 227 additions and 217 deletions

View File

@@ -1,22 +1,15 @@
import path from 'path'
import fs from 'fs'
import { execFileSync } from 'child_process'
import { once } from 'stream'
import { getSASSessionController, getJSSessionController } from './'
import {
readFile,
fileExists,
createFile,
moveFile,
readFileBinary
} from '@sasjs/utils'
getSASSessionController,
getJSSessionController,
processProgram
} from './'
import { readFile, fileExists, createFile, readFileBinary } from '@sasjs/utils'
import { PreProgramVars, Session, TreeNode } from '../../types'
import {
extractHeaders,
generateFileUploadSasCode,
generateFileUploadJSCode,
getFilesFolder,
getMacrosFolder,
HTTPHeaders,
isDebugOn,
RunTimeType
@@ -189,208 +182,3 @@ export class ExecutionController {
return root
}
}
const delay = (ms: number) => new Promise((resolve) => setTimeout(resolve, ms))
const createSASProgram = async (
program: string,
preProgramVariables: PreProgramVars,
vars: ExecutionVars,
session: Session,
weboutPath: string,
tokenFile: string,
otherArgs?: any
) => {
const varStatments = Object.keys(vars).reduce(
(computed: string, key: string) => `${computed}%let ${key}=${vars[key]};\n`,
''
)
const preProgramVarStatments = `
%let _sasjs_tokenfile=${tokenFile};
%let _sasjs_username=${preProgramVariables?.username};
%let _sasjs_userid=${preProgramVariables?.userId};
%let _sasjs_displayname=${preProgramVariables?.displayName};
%let _sasjs_apiserverurl=${preProgramVariables?.serverUrl};
%let _sasjs_apipath=/SASjsApi/stp/execute;
%let _metaperson=&_sasjs_displayname;
%let _metauser=&_sasjs_username;
%let sasjsprocessmode=Stored Program;
%let sasjs_stpsrv_header_loc=%sysfunc(pathname(work))/../stpsrv_header.txt;
%global SYSPROCESSMODE SYSTCPIPHOSTNAME SYSHOSTINFOLONG;
%macro _sasjs_server_init();
%if "&SYSPROCESSMODE"="" %then %let SYSPROCESSMODE=&sasjsprocessmode;
%if "&SYSTCPIPHOSTNAME"="" %then %let SYSTCPIPHOSTNAME=&_sasjs_apiserverurl;
%mend;
%_sasjs_server_init()
`
program = `
options insert=(SASAUTOS="${getMacrosFolder()}");
/* runtime vars */
${varStatments}
filename _webout "${weboutPath}" mod;
/* dynamic user-provided vars */
${preProgramVarStatments}
/* user autoexec starts */
${otherArgs?.userAutoExec ?? ''}
/* user autoexec ends */
/* actual job code */
${program}`
// if no files are uploaded filesNamesMap will be undefined
if (otherArgs?.filesNamesMap) {
const uploadSasCode = await generateFileUploadSasCode(
otherArgs.filesNamesMap,
session.path
)
//If sas code for the file is generated it will be appended to the top of sasCode
if (uploadSasCode.length > 0) {
program = `${uploadSasCode}` + program
}
}
return program
}
const createJSProgram = async (
program: string,
preProgramVariables: PreProgramVars,
vars: ExecutionVars,
session: Session,
weboutPath: string,
tokenFile: string,
otherArgs?: any
) => {
const varStatments = Object.keys(vars).reduce(
(computed: string, key: string) =>
`${computed}const ${key} = '${vars[key]}';\n`,
''
)
const preProgramVarStatments = `
let _webout = '';
const weboutPath = '${weboutPath}';
const _sasjs_tokenfile = '${tokenFile}';
const _sasjs_username = '${preProgramVariables?.username}';
const _sasjs_userid = '${preProgramVariables?.userId}';
const _sasjs_displayname = '${preProgramVariables?.displayName}';
const _metaperson = _sasjs_displayname;
const _metauser = _sasjs_username;
const sasjsprocessmode = 'Stored Program';
`
const requiredModules = `const fs = require('fs')`
program = `
/* runtime vars */
${varStatments}
/* dynamic user-provided vars */
${preProgramVarStatments}
/* actual job code */
${program}
/* write webout file only if webout exists*/
if (_webout) {
fs.writeFile(weboutPath, _webout, function (err) {
if (err) throw err;
})
}
`
// if no files are uploaded filesNamesMap will be undefined
if (otherArgs?.filesNamesMap) {
const uploadJSCode = await generateFileUploadJSCode(
otherArgs.filesNamesMap,
session.path
)
//If js code for the file is generated it will be appended to the top of jsCode
if (uploadJSCode.length > 0) {
program = `${uploadJSCode}\n` + program
}
}
return requiredModules + program
}
const processProgram = async (
program: string,
preProgramVariables: PreProgramVars,
vars: ExecutionVars,
session: Session,
weboutPath: string,
tokenFile: string,
runTime: RunTimeType,
logPath: string,
otherArgs?: any
) => {
if (runTime === RunTimeType.JS) {
program = await createJSProgram(
program,
preProgramVariables,
vars,
session,
weboutPath,
tokenFile,
otherArgs
)
const codePath = path.join(session.path, 'code.js')
try {
await createFile(codePath, program)
// create a stream that will write to console outputs to log file
const writeStream = fs.createWriteStream(logPath)
// waiting for the open event so that we can have underlying file descriptor
await once(writeStream, 'open')
execFileSync(process.nodeLoc, [codePath], {
stdio: ['ignore', writeStream, writeStream]
})
// copy the code.js program to log and end write stream
writeStream.end(program)
session.completed = true
console.log('session completed', session)
} catch (err: any) {
session.completed = true
session.crashed = err.toString()
console.log('session crashed', session.id, session.crashed)
}
} else {
program = await createSASProgram(
program,
preProgramVariables,
vars,
session,
weboutPath,
tokenFile,
otherArgs
)
const codePath = path.join(session.path, 'code.sas')
// Creating this file in a RUNNING session will break out
// the autoexec loop and actually execute the program
// but - given it will take several milliseconds to create
// (which can mean SAS trying to run a partial program, or
// failing due to file lock) we first create the file THEN
// we rename it.
await createFile(codePath + '.bkp', program)
await moveFile(codePath + '.bkp', codePath)
// we now need to poll the session status
while (!session.completed) {
await delay(50)
}
}
}

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@@ -0,0 +1,64 @@
import { PreProgramVars, Session } from '../../types'
import { generateFileUploadJSCode } from '../../utils'
import { ExecutionVars } from './'
export const createJSProgram = async (
program: string,
preProgramVariables: PreProgramVars,
vars: ExecutionVars,
session: Session,
weboutPath: string,
tokenFile: string,
otherArgs?: any
) => {
const varStatments = Object.keys(vars).reduce(
(computed: string, key: string) =>
`${computed}const ${key} = '${vars[key]}';\n`,
''
)
const preProgramVarStatments = `
let _webout = '';
const weboutPath = '${weboutPath}';
const _sasjs_tokenfile = '${tokenFile}';
const _sasjs_username = '${preProgramVariables?.username}';
const _sasjs_userid = '${preProgramVariables?.userId}';
const _sasjs_displayname = '${preProgramVariables?.displayName}';
const _metaperson = _sasjs_displayname;
const _metauser = _sasjs_username;
const sasjsprocessmode = 'Stored Program';
`
const requiredModules = `const fs = require('fs')`
program = `
/* runtime vars */
${varStatments}
/* dynamic user-provided vars */
${preProgramVarStatments}
/* actual job code */
${program}
/* write webout file only if webout exists*/
if (_webout) {
fs.writeFile(weboutPath, _webout, function (err) {
if (err) throw err;
})
}
`
// if no files are uploaded filesNamesMap will be undefined
if (otherArgs?.filesNamesMap) {
const uploadJSCode = await generateFileUploadJSCode(
otherArgs.filesNamesMap,
session.path
)
//If js code for the file is generated it will be appended to the top of jsCode
if (uploadJSCode.length > 0) {
program = `${uploadJSCode}\n` + program
}
}
return requiredModules + program
}

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@@ -0,0 +1,69 @@
import { PreProgramVars, Session } from '../../types'
import { generateFileUploadSasCode, getMacrosFolder } from '../../utils'
import { ExecutionVars } from './'
export const createSASProgram = async (
program: string,
preProgramVariables: PreProgramVars,
vars: ExecutionVars,
session: Session,
weboutPath: string,
tokenFile: string,
otherArgs?: any
) => {
const varStatments = Object.keys(vars).reduce(
(computed: string, key: string) => `${computed}%let ${key}=${vars[key]};\n`,
''
)
const preProgramVarStatments = `
%let _sasjs_tokenfile=${tokenFile};
%let _sasjs_username=${preProgramVariables?.username};
%let _sasjs_userid=${preProgramVariables?.userId};
%let _sasjs_displayname=${preProgramVariables?.displayName};
%let _sasjs_apiserverurl=${preProgramVariables?.serverUrl};
%let _sasjs_apipath=/SASjsApi/stp/execute;
%let _metaperson=&_sasjs_displayname;
%let _metauser=&_sasjs_username;
%let sasjsprocessmode=Stored Program;
%let sasjs_stpsrv_header_loc=%sysfunc(pathname(work))/../stpsrv_header.txt;
%global SYSPROCESSMODE SYSTCPIPHOSTNAME SYSHOSTINFOLONG;
%macro _sasjs_server_init();
%if "&SYSPROCESSMODE"="" %then %let SYSPROCESSMODE=&sasjsprocessmode;
%if "&SYSTCPIPHOSTNAME"="" %then %let SYSTCPIPHOSTNAME=&_sasjs_apiserverurl;
%mend;
%_sasjs_server_init()
`
program = `
options insert=(SASAUTOS="${getMacrosFolder()}");
/* runtime vars */
${varStatments}
filename _webout "${weboutPath}" mod;
/* dynamic user-provided vars */
${preProgramVarStatments}
/* user autoexec starts */
${otherArgs?.userAutoExec ?? ''}
/* user autoexec ends */
/* actual job code */
${program}`
// if no files are uploaded filesNamesMap will be undefined
if (otherArgs?.filesNamesMap) {
const uploadSasCode = await generateFileUploadSasCode(
otherArgs.filesNamesMap,
session.path
)
//If sas code for the file is generated it will be appended to the top of sasCode
if (uploadSasCode.length > 0) {
program = `${uploadSasCode}` + program
}
}
return program
}

View File

@@ -2,3 +2,6 @@ export * from './deploy'
export * from './Session'
export * from './Execution'
export * from './FileUploadController'
export * from './createSASProgram'
export * from './createJSProgram'
export * from './processProgram'

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@@ -0,0 +1,86 @@
import path from 'path'
import fs from 'fs'
import { execFileSync } from 'child_process'
import { once } from 'stream'
import { createFile, moveFile } from '@sasjs/utils'
import { PreProgramVars, Session } from '../../types'
import { RunTimeType } from '../../utils'
import { ExecutionVars, createSASProgram, createJSProgram } from './'
export const processProgram = async (
program: string,
preProgramVariables: PreProgramVars,
vars: ExecutionVars,
session: Session,
weboutPath: string,
tokenFile: string,
runTime: RunTimeType,
logPath: string,
otherArgs?: any
) => {
if (runTime === RunTimeType.JS) {
program = await createJSProgram(
program,
preProgramVariables,
vars,
session,
weboutPath,
tokenFile,
otherArgs
)
const codePath = path.join(session.path, 'code.js')
try {
await createFile(codePath, program)
// create a stream that will write to console outputs to log file
const writeStream = fs.createWriteStream(logPath)
// waiting for the open event so that we can have underlying file descriptor
await once(writeStream, 'open')
execFileSync(process.nodeLoc, [codePath], {
stdio: ['ignore', writeStream, writeStream]
})
// copy the code.js program to log and end write stream
writeStream.end(program)
session.completed = true
console.log('session completed', session)
} catch (err: any) {
session.completed = true
session.crashed = err.toString()
console.log('session crashed', session.id, session.crashed)
}
} else {
program = await createSASProgram(
program,
preProgramVariables,
vars,
session,
weboutPath,
tokenFile,
otherArgs
)
const codePath = path.join(session.path, 'code.sas')
// Creating this file in a RUNNING session will break out
// the autoexec loop and actually execute the program
// but - given it will take several milliseconds to create
// (which can mean SAS trying to run a partial program, or
// failing due to file lock) we first create the file THEN
// we rename it.
await createFile(codePath + '.bkp', program)
await moveFile(codePath + '.bkp', codePath)
// we now need to poll the session status
while (!session.completed) {
await delay(50)
}
}
}
const delay = (ms: number) => new Promise((resolve) => setTimeout(resolve, ms))