#include #include #include "mongoose.h" static const char *html_form = "POST example." "
" "Input 1:
" "Input 2:
" "" "
"; 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 (!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)); // 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)); // 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 { // 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; 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); return 0; }