mongoose/examples/post.c
2012-08-31 09:24:34 +01:00

62 lines
2.0 KiB
C

#include <stdio.h>
#include <string.h>
#include "mongoose.h"
static const char *html_form =
"<html><body>POST example."
"<form method=\"POST\" action=\"/handle_post_request\">"
"Input 1: <input type=\"text\" name=\"input_1\" /> <br/>"
"Input 2: <input type=\"text\" name=\"input_2\" /> <br/>"
"<input type=\"submit\" />"
"</form></body></html>";
static void *callback(enum mg_event event,
struct mg_connection *conn) {
const struct mg_request_info *ri = mg_get_request_info(conn);
if (event == MG_NEW_REQUEST) {
if (!strcmp(ri->uri, "/handle_post_request")) {
// User has submitted a form, show submitted data and a variable value
char post_data[1024],
input1[sizeof(post_data)], input2[sizeof(post_data)];
int post_data_len;
// Read POST data
post_data_len = mg_read(conn, post_data, sizeof(post_data));
// Parse form data. input1 and input2 are guaranteed to be NUL-terminated
mg_get_var(post_data, post_data_len, "input_1", input1, sizeof(input1));
mg_get_var(post_data, post_data_len, "input_2", input2, sizeof(input2));
mg_printf(conn, "HTTP/1.0 200 OK\r\n"
"Content-Type: text/plain\r\n\r\n"
"Submitted data: [%.*s]\n"
"Submitted data length: %d bytes\n"
"input_1: [%s]\n"
"input_2: [%s]\n",
post_data_len, post_data, post_data_len, input1, input2);
} else {
// Show HTML form.
mg_printf(conn, "HTTP/1.0 200 OK\r\n"
"Content-Length: %d\r\n"
"Content-Type: text/html\r\n\r\n%s",
(int) strlen(html_form), html_form);
}
// Mark as processed
return "";
} else {
return NULL;
}
}
int main(void) {
struct mg_context *ctx;
const char *options[] = {"listening_ports", "8080", NULL};
ctx = mg_start(&callback, NULL, options);
getchar(); // Wait until user hits "enter"
mg_stop(ctx);
return 0;
}