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API CHANGE: using struct mg_callbacks

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This commit is contained in:
Sergey Lyubka committed 2013-02-01 16:48:30 +00:00
1 parent 62162ff3e4
commit ee55d38b55
10 files changed
+282 -384
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examples/post.c
+27 -32
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@@ -10,50 +10,45 @@ static const char *html_form =
"<input type=\"submit\" />"
"</form></body></html>";
static void *callback(enum mg_event event,
struct mg_connection *conn) {
static int begin_request_handler(struct mg_connection *conn) {
const struct mg_request_info *ri = mg_get_request_info(conn);
char post_data[1024], input1[sizeof(post_data)], input2[sizeof(post_data)];
int post_data_len;
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;
if (!strcmp(ri->uri, "/handle_post_request")) {
// User has submitted a form, show submitted data and a variable value
post_data_len = mg_read(conn, post_data, sizeof(post_data));
// 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));
// 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 "";
// Send reply to the client, showing submitted form values.
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 {
return NULL;
// 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);
}
return 1; // Mark request as processed
}
int main(void) {
struct mg_context *ctx;
const char *options[] = {"listening_ports", "8080", NULL};
struct mg_callbacks callbacks;
ctx = mg_start(&callback, NULL, options);
memset(&callbacks, 0, sizeof(callbacks));
callbacks.begin_request = begin_request_handler;
ctx = mg_start(&callbacks, NULL, options);
getchar(); // Wait until user hits "enter"
mg_stop(ctx);