#include "proxy.h" #include "algo_utils.h" void algo_naive_init(struct evt_core_ctx* ctx, struct algo_ctx* app_ctx, struct algo_params* ap) { // We do nothing } int algo_naive_on_stream(struct evt_core_ctx* ctx, struct evt_core_fdinfo* fdinfo, struct buffer_packet* bp) { char url[256]; struct evt_core_fdinfo *to_fdinfo = NULL; struct algo_ctx* app_ctx = fdinfo->cat->app_ctx; union abstract_packet* ap = (union abstract_packet*) &bp->ip; if (ctx->verbose > 1) fprintf(stderr, " [algo_naive] 1/2 Find destination\n"); sprintf(url, "udp:write:127.0.0.1:%d", ap->fmt.content.udp_encapsulated.port); to_fdinfo = evt_core_get_from_url (ctx, url); if (to_fdinfo == NULL) { fprintf(stderr, "No fd for URL %s in tcp-read. Dropping packet :( \n", url); mv_buffer_wtof (&app_ctx->br, fdinfo); return 1; } if (ctx->verbose > 1) fprintf(stderr, " [algo_naive] 2/2 Move buffer\n"); mv_buffer_rtow (&app_ctx->br, fdinfo, to_fdinfo); main_on_udp_write(ctx, to_fdinfo); return 0; } int algo_naive_on_datagram(struct evt_core_ctx* ctx, struct evt_core_fdinfo* fdinfo, struct buffer_packet* bp) { struct evt_core_fdinfo *to_fdinfo = NULL; struct algo_ctx* app_ctx = fdinfo->cat->app_ctx; // 1. A whole packet has been read, we will find someone to write it struct evt_core_cat* cat = evt_core_get_from_cat (ctx, "tcp-write"); to_fdinfo = cat->socklist->len > 0 ? g_array_index(cat->socklist, struct evt_core_fdinfo*, 0) : NULL; if (to_fdinfo == NULL) { fprintf(stderr, "No fd for cat %s in udp-read. Dropping packet :( \n", cat->name); mv_buffer_wtof(&app_ctx->br, fdinfo); return 1; } //printf("Pass packet from %s to %s\n", fdinfo->url, url); // 2. We move the buffer and notify the target mv_buffer_rtow (&app_ctx->br, fdinfo, to_fdinfo); main_on_tcp_write(ctx, to_fdinfo); return 0; } int algo_naive_on_err(struct evt_core_ctx *ctx, struct evt_core_fdinfo *fdinfo) { // We do nothing return 1; }