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Copy pathsqlFormat.c
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243 lines (204 loc) · 5.64 KB
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#include <stdlib.h>
#include <stddef.h>
#include <string.h>
#include <stdio.h>
#include "curl.h"
#include "cstring.h"
#include "linked_list.h"
#include "cJSON.h"
static char errorBuffer[CURL_ERROR_SIZE];
static char * readFile(FILE * pfile)
{
char * data;
int length;
fseek(pfile, 0, SEEK_END);
length = ftell(pfile);
data = (char *)malloc((length + 1) * sizeof(char));
rewind(pfile);
length = fread(data, 1, length, pfile);
data[length] = '\0';
return data;
}
static void printResult(FILE *file, const char * format, ...){
va_list argp;
char* arg;
va_start(argp, format);
arg = va_arg(argp, char*);
if(file==NULL){
fprintf(stdout, format, arg);
}
else
fprintf(file, format, arg);
va_end(argp);
}
static int readData(char *data, size_t size, size_t nmemb, CString *writerData)
{
unsigned long sizes = size * nmemb;
if (writerData == NULL) return 0;
CStringNAppend(writerData, data, sizes);
return sizes;
}
static BOOL initCurl(CURL *conn, char *url, char* param, CString *buffer)
{
CURLcode code;
code = curl_easy_setopt(conn, CURLOPT_ERRORBUFFER, errorBuffer);
if (code != CURLE_OK)
{
fprintf(stderr, "Failed to set error buffer [%d]\n", code);
return FALSE;
}
code = curl_easy_setopt(conn, CURLOPT_URL, url);
if (code != CURLE_OK)
{
fprintf(stderr, "Failed to set URL [%s]\n", errorBuffer);
return FALSE;
}
if(param!=NULL){
code = curl_easy_setopt(conn, CURLOPT_POSTFIELDS, param);
if (code != CURLE_OK)
{
fprintf(stderr, "Failed to set post data [%s]\n", errorBuffer);
return FALSE;
}
}
code = curl_easy_setopt(conn, CURLOPT_FOLLOWLOCATION, 1);
if (code != CURLE_OK)
{
fprintf(stderr, "Failed to set redirect option [%s]\n", errorBuffer);
return FALSE;
}
code = curl_easy_setopt(conn, CURLOPT_WRITEFUNCTION, readData);
if (code != CURLE_OK)
{
fprintf(stderr, "Failed to set writer [%s]\n", errorBuffer);
return FALSE;
}
code = curl_easy_setopt(conn, CURLOPT_WRITEDATA, buffer);
if (code != CURLE_OK)
{
fprintf(stderr, "Failed to set write data [%s]\n", errorBuffer);
return FALSE;
}
return TRUE;
}
static char* sendPost(char* url, char* formatSql, char* formatOptions){
CURL *conn = NULL;
CURLcode code;
CString* formatResultBuffer = CStringNew();
CString* paramBuffer;
char *formatResult;
char *escapeFormatSql, *escapeFormatOptions;
curl_global_init(CURL_GLOBAL_DEFAULT);
conn = curl_easy_init();
if (conn == NULL)
{
fprintf(stderr, "Failed to create CURL connection\n");
exit(EXIT_FAILURE);
}
paramBuffer= CStringNew();
CStringAppend(paramBuffer, "rqst_db_vendor=oracle&rqst_isf_client=c_client&rqst_input_sql=");
escapeFormatSql = curl_easy_escape(conn, formatSql, 0);
CStringAppend(paramBuffer, escapeFormatSql);
curl_free(escapeFormatSql);
if(formatOptions!=NULL){
CStringAppend(paramBuffer, "&rqst_formatOptions=");
escapeFormatOptions = curl_easy_escape(conn, formatOptions, 0);
CStringAppend(paramBuffer, escapeFormatOptions);
curl_free(escapeFormatOptions);
}
if (!initCurl(conn, url, paramBuffer->buffer, formatResultBuffer))
{
fprintf(stderr, "Connection initialization failed.\n");
CStringDelete(formatResultBuffer);
exit(1);
}
code = curl_easy_perform(conn);
if (code != CURLE_OK)
{
fprintf(stderr, "Failed to get '%s' [%s]\n", url, errorBuffer);
CStringDelete(formatResultBuffer);
exit(1);
}
curl_easy_cleanup(conn);
formatResult = formatResultBuffer->buffer;
CStringDelete(paramBuffer);
CStringDeleteWithoutBuffer(formatResultBuffer);
return formatResult;
}
int main(int argc,char *argv[])
{
int argIndex, index;
List *argList;
FILE *sqlFile, *formatOptionsFile, *formatResult;
char *sqlText = "SELECT 1+1 FROM ABC WHERE output = \"Hello world!\" ";
CString *formatSql, *formatOptions = NULL;
char* response;
cJSON *json, *formatItem;
argList = createStringList(FALSE);
for(index=0;index<argc;index++){
argList->add(argList, argv[index]);
}
argIndex = argList->indexOf(argList, "-o");
if(argIndex!=-1 && argList->size(argList) >argIndex+1){
formatResult=fopen(argv[argIndex+1],"w");
}
else formatResult = NULL;
argIndex = argList->indexOf(argList, "-i");
if(argIndex!=-1 && argList->size(argList) >argIndex+1){
sqlFile=fopen(argv[argIndex+1],"r");
if(sqlFile == NULL){
fprintf(stderr,"script file %s doesn't exist!\n", argv[1] );
if(formatResult!=NULL)
fclose(formatResult);
return 1;
}
else{
char* content = readFile(sqlFile);
formatSql = CStringNew();
CStringAppend(formatSql, content);
free(content);
fclose(sqlFile);
}
}
else{
sqlFile = NULL;
formatSql = CStringNew();
CStringAppend(formatSql, sqlText);
}
argIndex = argList->indexOf(argList, "-f");
if(argIndex!=-1 && argList->size(argList) >argIndex+1){
formatOptionsFile=fopen(argv[argIndex+1],"r");
if(formatOptionsFile != NULL){
char* content = readFile(formatOptionsFile);
formatOptions = CStringNew();
CStringAppend(formatOptions, content);
free(content);
fclose(formatOptionsFile);
}
}
argList->dispose(argList);
response = sendPost("http://www.gudusoft.com/format.php",formatSql->buffer, formatOptions==NULL? NULL: formatOptions->buffer);
json = cJSON_Parse(response);
if(json!=NULL){
formatItem = cJSON_GetObjectItem(json, "rspn_formatted_sql");
if(formatItem!=NULL){
printResult(formatResult, "%s\n", formatItem->valuestring);
free(formatItem);
}
else{
fprintf(stderr,"Failed to format sql\n");
fprintf(stderr,"Return json: %s\n", response );
}
free(json);
}
else{
fprintf(stderr,"Failed to format sql\n" );
}
free(response);
if(formatOptions!=NULL)
CStringDelete(formatOptions);
CStringDelete(formatSql);
if(formatResult!=NULL)
fclose(formatResult);
return 0;
}