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Changes to use random port numbers (depend on user's uid) rather

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than a static port. Allows all students to use the same machine
(for Covid-19 mitigation)
This commit is contained in:
Nicolas Van Wambeke 2020-04-03 11:36:58 +02:00
parent 4e12819c36
commit f643d39168
3 changed files with 13 additions and 7 deletions
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4
Makefile
View file

@ -1,5 +1,7 @@
DATE := `date +'%Y%m%d'` DATE := `date +'%Y%m%d'`
TAG := moodle-$(USER) TAG := moodle-$(USER)
PORT := $(shell expr `id -u` % 2000 + 12487)
PORT2 := $(shell expr $(PORT) + 1)
ifneq ($(tag),) ifneq ($(tag),)
TAG := $(TAG)-$(tag) TAG := $(TAG)-$(tag)
@ -25,7 +27,7 @@ vpath %.c $(SRC_DIR)
define make-goal define make-goal
$1/%.o: %.c $1/%.o: %.c
$(CC) -std=gnu99 -Wall -g -I $(INCLUDES) -c $$< -o $$@ $(CC) -DAPI_CS_Port=$(PORT) -DAPI_SC_Port=$(PORT2) -std=gnu99 -Wall -g -I $(INCLUDES) -c $$< -o $$@
endef endef
.PHONY: all checkdirs clean .PHONY: all checkdirs clean

9
include/api/mictcp_core.h
View file

@ -22,9 +22,12 @@ unsigned long get_now_time_usec();
/********************************************************************** /**********************************************************************
* Private core functions, should not be used for implementing mictcp * * Private core functions, should not be used for implementing mictcp *
**********************************************************************/ **********************************************************************/
#ifndef API_CS_Port
#define API_CS_Port 8524 #define API_CS_Port 8524
#define API_SC_Port 8525 #endif
#ifndef API_SC_Port
#define API_SC_Port 8525
#endif
#define API_HD_Size 15 #define API_HD_Size 15
typedef struct ip_payload typedef struct ip_payload

7
tsock_video
View file

@ -3,6 +3,7 @@
puits=false puits=false
sourc=false sourc=false
protocol="tcp" protocol="tcp"
port=`expr \`id -u\` % 3000 + 14578`
usage() { echo "Usage: $0 [[-p|-s] [-t (tcp|mictcp)]" 1>&2; exit 1; } usage() { echo "Usage: $0 [[-p|-s] [-t (tcp|mictcp)]" 1>&2; exit 1; }
@ -35,11 +36,11 @@ fi
if [ "$puits" = true ]; then if [ "$puits" = true ]; then
echo "Lancement du puits, protocole " $protocol echo "Lancement du puits, protocole " $protocol
cvlc rtp://127.0.0.1:1234 > /dev/null 2>&1 & cvlc rtp://127.0.0.1:$port > /dev/null 2>&1 &
if [ "$protocol" = "mictcp" ]; then if [ "$protocol" = "mictcp" ]; then
cd build cd build
./gateway -p -t $protocol 1234 & ./gateway -p -t $protocol $port &
cd .. cd ..
fi fi
fi fi
@ -48,7 +49,7 @@ if [ "$sourc" = true ]; then
echo "Lancement de la source, protocol " $protocol echo "Lancement de la source, protocol " $protocol
cd build cd build
./gateway -s -t $protocol 127.0.0.1 1234 & ./gateway -s -t $protocol 127.0.0.1 $port &
cd .. cd ..
fi fi