#include #include #include "mongoose.h" static const char *html_form = "POST example." "
" "Input 1:
" "Input 2:
" "" "
"; static int handler(struct mg_connection *conn) { char var1[500], var2[500], reply[2000]; if (strcmp(conn->uri, "/handle_post_request") == 0) { // User has submitted a form, show submitted data and a variable value // Parse form data. var1 and var2 are guaranteed to be NUL-terminated mg_get_var(conn, "input_1", var1, sizeof(var1)); mg_get_var(conn, "input_2", var2, sizeof(var2)); // Send reply to the client, showing submitted form values. // POST data is in conn->content, data length is in conn->content_len snprintf(reply, sizeof(reply), "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", conn->content_len, conn->content, conn->content_len, var1, var2); mg_write(conn, reply, strlen(reply)); } else { // Show HTML form. snprintf(reply, sizeof(reply), "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); mg_write(conn, reply, strlen(reply)); } return 1; } int main(void) { struct mg_server *server = mg_create_server(NULL); mg_set_option(server, "listening_port", "8080"); mg_add_uri_handler(server, "/", handler); printf("Starting on port %s\n", mg_get_option(server, "listening_port")); for (;;) { mg_poll_server(server, 1000); } mg_destroy_server(&server); return 0; }