From 06f74eed2686a9cab4191908c3fd30f0c15a380b Mon Sep 17 00:00:00 2001
From: Uros Majstorovic <majstor@MacBookPro.lan>
Date: Tue, 6 Jun 2017 17:01:22 +0200
Subject: voip test case added

---
 code/test/Makefile |  11 +--
 code/test/echo.c   |  53 +++++++++++++++
 code/test/voip.c   | 194 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 254 insertions(+), 4 deletions(-)
 create mode 100644 code/test/echo.c
 create mode 100644 code/test/voip.c

(limited to 'code/test')

diff --git a/code/test/Makefile b/code/test/Makefile
index 6c5a7e5..8f42021 100644
--- a/code/test/Makefile
+++ b/code/test/Makefile
@@ -6,7 +6,10 @@ dep=../core/libecpcore.a ../core/crypto/libecpcr.a ../core/htable/libecpht.a ../
 %.o: %.c
 	$(CC) $(CFLAGS) -c $<
 
-all: client server basic stress proxy pr_server pr_client
+all: basic client server echo stress proxy pr_server pr_client
+
+basic: basic.o init.o $(dep)
+	$(CC) -o $@ $< init.o $(dep) $(LDFLAGS)
 
 client: client.o init.o $(dep)
 	$(CC) -o $@ $< init.o $(dep) $(LDFLAGS)
@@ -14,7 +17,7 @@ client: client.o init.o $(dep)
 server: server.o init.o $(dep)
 	$(CC) -o $@ $< init.o $(dep) $(LDFLAGS)
 
-basic: basic.o init.o $(dep)
+echo: echo.o init.o $(dep)
 	$(CC) -o $@ $< init.o $(dep) $(LDFLAGS)
 
 stress: stress.o init.o $(dep)
@@ -29,8 +32,8 @@ pr_server: pr_server.o init_proxy.o $(dep)
 pr_client: pr_client.o init_proxy.o $(dep)
 	$(CC) -o $@ $< init_proxy.o $(dep) $(LDFLAGS)
 
-opus_root=../../../opus-1.1.5
 
+opus_root=../../../opus-1.1.5
 voip.o: voip.c
 	$(CC) $(CFLAGS) -I $(opus_root)/include -c $<
 
@@ -39,4 +42,4 @@ voip: voip.o init.o $(dep)
 
 clean:
 	rm -f *.o
-	rm -f basic stress client server proxy pr_server pr_client
+	rm -f basic client server echo stress proxy pr_server pr_client voip
diff --git a/code/test/echo.c b/code/test/echo.c
new file mode 100644
index 0000000..2494868
--- /dev/null
+++ b/code/test/echo.c
@@ -0,0 +1,53 @@
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+#include "core.h"
+#include "util.h"
+
+ECPContext ctx_s;
+ECPSocket sock_s;
+ECPDHKey key_perma_s;
+ECPConnHandler handler_s;
+
+#define CTYPE_TEST  0
+#define MTYPE_MSG   8
+
+ssize_t handle_msg_s(ECPConnection *conn, unsigned char t, unsigned char *p, ssize_t s) {
+    ssize_t rv = ecp_send(conn, p-ECP_SIZE_MSG_HDR, ECP_SIZE_MSG_HDR+s);
+
+    return s;
+}
+
+static void usage(char *arg) {
+    fprintf(stderr, "Usage: %s <address> <node.priv>\n", arg);
+    exit(1);
+}
+
+int main(int argc, char *argv[]) {
+    int rv;
+    
+    if (argc != 3) usage(argv[0]);
+    
+    rv = ecp_init(&ctx_s);
+    printf("ecp_init RV:%d\n", rv);
+    
+    rv = ecp_conn_handler_init(&handler_s);
+    handler_s.msg[MTYPE_MSG] = handle_msg_s;
+    ctx_s.handler[CTYPE_TEST] = &handler_s;
+    
+    rv = ecp_util_key_load(&ctx_s, &key_perma_s, argv[2]);
+    printf("ecp_util_key_load RV:%d\n", rv);
+    
+    rv = ecp_sock_create(&sock_s, &ctx_s, &key_perma_s);
+    printf("ecp_sock_create RV:%d\n", rv);
+
+    rv = ecp_sock_open(&sock_s, argv[1]);
+    printf("ecp_sock_open RV:%d\n", rv);
+    
+    rv = ecp_start_receiver(&sock_s);
+    printf("ecp_start_receiver RV:%d\n", rv);
+
+    while (1) sleep(1);
+}
\ No newline at end of file
diff --git a/code/test/voip.c b/code/test/voip.c
new file mode 100644
index 0000000..673bb8a
--- /dev/null
+++ b/code/test/voip.c
@@ -0,0 +1,194 @@
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <alsa/asoundlib.h>
+
+#include <opus.h>
+
+#include "core.h"
+#include "util.h"
+
+ECPContext ctx_c;
+ECPSocket sock_c;
+ECPConnHandler handler_c;
+
+ECPNode node;
+ECPConnection conn;
+int open_done = 0;
+
+snd_pcm_t *handle_plb;
+snd_pcm_t *handle_cpt;
+OpusEncoder *opus_enc;
+OpusDecoder *opus_dec;
+// 2.5, 5, 10, 20, 40 or 60 ms
+snd_pcm_uframes_t alsa_frames = 160;
+unsigned char *alsa_out_buf = NULL;
+unsigned char *alsa_in_buf = NULL;
+
+#define CTYPE_TEST  0
+#define MTYPE_MSG   8
+
+int a_open(char *dev_name, snd_pcm_t **handle, snd_pcm_hw_params_t **hw_params, snd_pcm_stream_t stream, snd_pcm_format_t format, unsigned int *nchannels, unsigned int *sample_rate, snd_pcm_uframes_t *frames, size_t *buf_size) {
+	int bits, err = 0;
+	unsigned int fragments = 2;
+	unsigned int frame_size;
+
+	err = snd_pcm_open(handle, dev_name, stream, 0);
+	if (!err) err = snd_pcm_hw_params_malloc(hw_params);
+	if (!err) err = snd_pcm_hw_params_any(*handle, *hw_params);
+	if (!err) err = snd_pcm_hw_params_set_access(*handle, *hw_params, SND_PCM_ACCESS_RW_INTERLEAVED);
+	if (!err) err = snd_pcm_hw_params_set_format(*handle, *hw_params, format);
+	if (!err) err = snd_pcm_hw_params_set_rate_near(*handle, *hw_params, sample_rate, 0);
+	if (!err) err = snd_pcm_hw_params_set_channels_near(*handle, *hw_params, nchannels);
+	if (!err) err = snd_pcm_hw_params_set_periods_near(*handle, *hw_params, &fragments, 0);
+	if (!err) err = snd_pcm_hw_params_set_period_size_near(*handle, *hw_params, frames, 0);
+	if (!err) err = snd_pcm_hw_params(*handle, *hw_params);
+	if (err) return err;
+	
+	bits = snd_pcm_hw_params_get_sbits(*hw_params);
+	if (bits < 0) return bits;
+	
+	frame_size = *nchannels * (bits / 8);
+	*buf_size = frame_size * *frames;
+
+	return 0;
+}
+
+int a_prepare(snd_pcm_t *handle, snd_pcm_hw_params_t *hw_params, unsigned char *buf, snd_pcm_uframes_t frames) {
+	snd_pcm_drop(handle);
+	snd_pcm_prepare(handle);
+
+	if (snd_pcm_stream(handle) == SND_PCM_STREAM_PLAYBACK) {
+		int i, err;
+		unsigned int fragments;
+
+		err = snd_pcm_hw_params_get_periods(hw_params, &fragments, NULL);
+		if (err) return err;
+
+		for (i=0; i<fragments; i++) snd_pcm_writei(handle, buf, frames);
+	}
+	return 0;
+}
+
+opus_int32 a_read(snd_pcm_t *handle, unsigned char *buf, snd_pcm_uframes_t frames, OpusEncoder *enc, unsigned char *opus_buf, opus_int32 opus_size) {
+	snd_pcm_sframes_t frames_in;
+
+	while ((frames_in = snd_pcm_readi(handle, buf, frames)) < 0) {
+		if (frames_in == -EAGAIN)
+			continue;
+		snd_pcm_prepare(handle);
+	}
+	return opus_encode(enc, (opus_int16 *)buf, frames_in, opus_buf, opus_size);
+}
+
+snd_pcm_sframes_t a_write(OpusDecoder *dec, unsigned char *opus_buf, opus_int32 opus_size, snd_pcm_t *handle, unsigned char *buf, snd_pcm_uframes_t frames) {
+	snd_pcm_sframes_t frames_in, frames_out;
+
+	frames_in = opus_decode(dec, opus_buf, opus_size, (opus_int16 *)buf, frames, 0);	
+	while ((frames_out = snd_pcm_writei(handle, buf, frames_in)) < 0) {
+		if (frames_out == -EAGAIN)
+			continue;
+		snd_pcm_prepare(handle);
+	}
+	return frames_out;
+}
+
+int a_init(void) {
+	char *dev_name  = "hw:1,0";
+	unsigned int nchannels = 1;
+	unsigned int sample_rate = 16000;
+
+	snd_pcm_hw_params_t *hw_params_plb;
+	snd_pcm_hw_params_t *hw_params_cpt;
+	size_t buf_size;
+
+	a_open(dev_name, &handle_plb, &hw_params_plb, SND_PCM_STREAM_PLAYBACK, SND_PCM_FORMAT_S16_LE, &nchannels, &sample_rate, &alsa_frames, &buf_size);
+	alsa_out_buf = malloc(buf_size);
+	memset(alsa_out_buf, 0, buf_size);
+	a_prepare(handle_plb, hw_params_plb, alsa_out_buf, alsa_frames);
+
+	a_open(dev_name, &handle_cpt, &hw_params_cpt, SND_PCM_STREAM_CAPTURE, SND_PCM_FORMAT_S16_LE, &nchannels, &sample_rate, &alsa_frames, &buf_size);
+	alsa_in_buf = malloc(buf_size);
+	memset(alsa_in_buf, 0, buf_size);
+	a_prepare(handle_cpt, hw_params_cpt, alsa_in_buf, alsa_frames);
+
+	int size;
+	size = opus_encoder_get_size(nchannels);
+	opus_enc = malloc(size);
+	opus_encoder_init(opus_enc, sample_rate, nchannels, OPUS_APPLICATION_VOIP);
+
+	size = opus_decoder_get_size(nchannels);
+	opus_dec = malloc(size);
+	opus_decoder_init(opus_dec, sample_rate, nchannels);
+}
+
+ssize_t handle_open_c(ECPConnection *conn, unsigned char t, unsigned char *p, ssize_t s) {
+    uint32_t seq = 0;
+    
+    ecp_conn_handle_open(conn, t, p, s);
+    if (s < 0) {
+        printf("OPEN ERR:%ld\n", s);
+        return 0;
+    }
+    
+	a_init();
+	open_done = 1;
+    return s;
+}
+
+ssize_t handle_msg_c(ECPConnection *conn, unsigned char t, unsigned char *p, ssize_t s) {
+	a_write(opus_dec, p, s, handle_plb, alsa_out_buf, alsa_frames);
+    return s;
+}
+
+
+static void usage(char *arg) {
+    fprintf(stderr, "Usage: %s <node.pub>\n", arg);
+    exit(1);
+}
+
+int main(int argc, char *argv[]) {
+    int rv;
+    
+    if (argc != 2) usage(argv[0]);
+    
+    rv = ecp_init(&ctx_c);
+    printf("ecp_init RV:%d\n", rv);
+
+    rv = ecp_conn_handler_init(&handler_c);
+    handler_c.msg[ECP_MTYPE_OPEN] = handle_open_c;
+    handler_c.msg[MTYPE_MSG] = handle_msg_c;
+    ctx_c.handler[CTYPE_TEST] = &handler_c;
+    
+    rv = ecp_sock_create(&sock_c, &ctx_c, NULL);
+    printf("ecp_sock_create RV:%d\n", rv);
+
+    rv = ecp_sock_open(&sock_c, NULL);
+    printf("ecp_sock_open RV:%d\n", rv);
+    
+    rv = ecp_start_receiver(&sock_c);
+    printf("ecp_start_receiver RV:%d\n", rv);
+
+    rv = ecp_util_node_load(&ctx_c, &node, argv[1]);
+    printf("ecp_util_node_load RV:%d\n", rv);
+
+    rv = ecp_conn_create(&conn, &sock_c, CTYPE_TEST);
+    printf("ecp_conn_create RV:%d\n", rv);
+
+    rv = ecp_conn_open(&conn, &node);
+    printf("ecp_conn_open RV:%d\n", rv);
+
+    while(!open_done) sleep(1);
+
+	unsigned char payload[ECP_MAX_PLD];
+	unsigned char *opus_buf;
+
+	while(1) {
+		ecp_pld_set_type(payload, MTYPE_MSG);
+		opus_buf = ecp_pld_get_buf(payload);
+		opus_int32 len = a_read(handle_cpt, alsa_in_buf, alsa_frames, opus_enc, opus_buf, ECP_MAX_MSG);
+		if (len < 0) continue;
+	    ssize_t _rv = ecp_send(&conn, payload, len);
+	}
+}
\ No newline at end of file
-- 
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