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#define _POSIX_C_SOURCE 200809L
#include <fcgiapp.h>
#include <sqlite3.h>
#include <stdio.h>
#include <unistd.h>
#include <errno.h>
#include <stdlib.h>
#include <assert.h>
#include <string.h>
static sqlite3 *db = NULL;
static sqlite3_stmt *stmt = NULL;
static void cleanup(void) {
if (stmt) {
sqlite3_finalize(stmt);
}
if (db) {
sqlite3_close(db);
}
}
int main(int argc, char **argv) {
if (argc != 2) {
fprintf(stderr, "Usage: %s /path/to/data.db\n", argv[0]);
return 64;
}
atexit(cleanup);
int r;
if ((r = sqlite3_open_v2(argv[1], &db, SQLITE_OPEN_READONLY, NULL)) != SQLITE_OK) {
fprintf(stderr, "Cannot open database: %s\n", sqlite3_errstr(r));
return r;
}
if ((r = sqlite3_prepare(db, "SELECT title,title_zh,text,text_zh FROM v_random_quote", -1, &stmt, NULL)) != SQLITE_OK) {
fprintf(stderr, "Cannot prepare statement: %s\n", sqlite3_errstr(r));
return r;
}
FCGX_Stream *in, *out, *err;
FCGX_ParamArray envp;
while(FCGX_Accept(&in, &out, &err, &envp) >= 0) {
const char *url = FCGX_GetParam("REQUEST_URI", envp);
switch (r = sqlite3_step(stmt)) {
case SQLITE_DONE:
FCGX_FPrintF(out,
"Status: 500 Internal Server Error\r\n"
"Content-type: text/plain\r\n"
"\r\n"
"No data is available.\n");
break;
case SQLITE_BUSY:
case SQLITE_MISUSE:
case SQLITE_ERROR:
fprintf(stderr, "Cannot query: %d\n", r);
FCGX_FPrintF(out,
"Status: 500 Internal Server Error\r\n"
"Content-type: text/plain\r\n"
"\r\n"
"%s\n",
sqlite3_errstr(r));
break;
case SQLITE_ROW:
char *title = (char *) sqlite3_column_text(stmt, 0);
char *title_zh = (char *) sqlite3_column_text(stmt, 1);
char *text = (char *) sqlite3_column_text(stmt, 2);
char *text_zh = (char *) sqlite3_column_text(stmt, 3);
if (!strncmp(url, "/hitokoto.css", 13)) {
FCGX_FPrintF(out,
"Content-Type: text/css\r\n"
"\r\n"
"#hitokoto::before { content: \"%s\" }\n"
"#hitokoto::after { content: \"%s\" }\n"
"#hitokoto_zh::before { content: \"%s\" }\n"
"#hitokoto_zh::after { content: \"%s\" }\n",
text, title,
text_zh ? text_zh : "", title_zh ? title_zh : "");
} else {
FCGX_FPrintF(out,
"Content-type: application/json\r\n"
"\r\n"
"{\"title\":\"%s\",\"title_zh\":\"%s\",\"text\":\"%s\",\"text_zh\":\"%s\"}\n",
title,
title_zh ? title_zh : "",
text,
text_zh ? text_zh : "");
}
break;
}
if ((r = sqlite3_reset(stmt))) {
fprintf(stderr, "sqlite3_reset: %d\n", r);
}
}
}
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