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Finished integrating check_server() and check_client(), check_server_client() has been commented out.

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master
Aadhavan Srinivasan 9 months ago
parent c94138ad8b
commit 0e7ebb4d78
1 changed files with 55 additions and 48 deletions
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91
main.cpp
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@ -32,7 +32,7 @@
#include "includes/server.hpp" #include "includes/server.hpp"
#include "includes/exception_consts.hpp" #include "includes/exception_consts.hpp"
#include "includes/check_input.hpp" #include "includes/check_input.hpp"
#include "includes/raygui_helpers.hpp" #include "includes/display_text.hpp"
#include "includes/easysock.h" #include "includes/easysock.h"
#include "includes/serialization.h" #include "includes/serialization.h"
#include "includes/timer.h" #include "includes/timer.h"
@ -52,11 +52,11 @@ const float BASE_SPEED = sqrt(powf(BASE_SPEED_COMPONENTS, 2) * 2);
std::string HELP_TEXT = "\nnetpong - A networked pong game for the internet era.\n" std::string HELP_TEXT = "\nnetpong - A networked pong game for the internet era.\n"
"\n" "\n"
"Usage: \n" "Usage: \n"
"netpong [MODE] [ADDRESS|CODE]\n" "netpong [MODE] [ADDRESS PORT]|[CODE]\n"
"\n" "\n"
"MODE: \n" "MODE: \n"
"-S : Server mode. Starts a server to allow the other player to connect.\n" "-S : Server mode. Starts a server to allow the other player to connect.\n"
"IP address must be specified. Port is optional, 6500 is used as default.\n" "IP address and port must be specified.\n"
"\n" "\n"
"-C: Client mode. Connects to a server, using the provided connection code.\n" "-C: Client mode. Connects to a server, using the provided connection code.\n"
"\n" "\n"
@ -97,18 +97,24 @@ raylib::Vector2 changeVelocityAfterCollision(Paddle paddle, Ball ball) {
/* Checks the number and type of the command-line arguments. Throws an exception /* Checks the number and type of the command-line arguments. Throws an exception
if the args are invalid. DOES NOT PROCESS VALID ARGUMENTS. */ if the args are invalid. DOES NOT PROCESS VALID ARGUMENTS. */
void check_num_args(int argc, char** argv) { void check_num_args(int argc, char** argv) {
if (argc > 3) { if (argc > 4) {
throw std::invalid_argument("ARGUMENT ERROR: Too many arguments. To view syntax, use -h or --help."); throw std::invalid_argument("ARGUMENT ERROR: Too many arguments. To view syntax, use -h or --help.");
} }
if (argc > 1) { // Either server or client mode if (argc > 1) { // Either server or client mode
if (std::string(argv[1]) == "-S" && argc < 3) { // Server mode but no address if (std::string(argv[1]) == "-S") {
throw std::invalid_argument("ARGUMENT ERROR: Server mode specified without any address."); if (argc < 4) { // Server mode but no address and/or port
throw std::invalid_argument("ARGUMENT ERROR: Server mode specified without any address or port.");
} }
if (std::string(argv[1]) == "-C" && argc < 3) { // Client mode but no code }
else if (std::string(argv[1]) == "-C") {
if (argc < 3) { // Client mode but no code
throw std::invalid_argument("ARGUMENT ERRROR: Client mode specified without any code."); throw std::invalid_argument("ARGUMENT ERRROR: Client mode specified without any code.");
} }
if (std::string(argv[1]) == "-h" || std::string(argv[1]) == "--help") { }
throw new std::invalid_argument(HELP_TEXT); // I am abusing the exception mechanism here, so that I can ensure that the caller quits the program. else if (std::string(argv[1]) == "-h" || std::string(argv[1]) == "--help") {
throw std::invalid_argument(HELP_TEXT); // I am abusing the exception mechanism here, so that I can ensure that the caller quits the program after printing the help message.
} else {
throw std::invalid_argument("Unrecognized argument.");
} }
} }
return; return;
@ -218,7 +224,8 @@ GameType check_server_client(int argc, char** argv) {
} }
int main(int argc, char** argv) { int main(int argc, char** argv) {
/* Check the number of command-line arguments */ /* Check the number and validity of command-line arguments. Invalid arguments
will throw an exception. */
try { try {
check_num_args(argc, argv); check_num_args(argc, argv);
} catch (std::invalid_argument& inv) { } catch (std::invalid_argument& inv) {
@ -227,44 +234,44 @@ int main(int argc, char** argv) {
} }
/* From here on, we assume that: /* From here on, we assume that:
a. The program was started in single player mode, OR a. The program was started with no arguments (User is prompted in GUI), OR
b. The program was started in server mode, and an address was given, OR b. The program was started in server mode, and an additional was given, OR
c. The program was started in client mode, and a code was given. */ c. The program was started in client mode, and an additional argument was given. */
/* Check if game was started in server or client mode, and set appropriate variables */
/* GameType struct, to define whether the game is in single or multi-player mode, and /* GameType struct, to define whether the game is in single or multi-player mode, and
to hold the appropriate socket */ to hold the appropriate socket */
GameType type; GameType type;
try { /* Check if game was started in server or client mode, and call the appropriate function to process the arguments.
type = check_server_client(argc, argv); If game was started in single-player mode (i.e. with no arguments), then the user is prompted in the GUI. */
} catch(int e) { try { // I put this try-catch block outside the if-statement because the exception handling is the same for both client and server.
if (e == EXCEPT_TOOFEWARGS) { if (argc > 1) { // Server or client mode
std::cout << "Started in client mode, but no address was specified." << std::endl; if (std::string(argv[1]) == "-S") { // Server mode
return -1; type = check_server(argv[2], argv[3], IF_CLI);
}
if (e == EXCEPT_INVALIDARGS) {
std::cout << "Invalid argument." << std::endl;
return -2;
}
if (e == EXCEPT_INVALIDIP) {
std::cout << "Invalid IP address provided." << std::endl;
return -5;
} }
if (e == EXCEPT_WRONGRESPONSE) { if (std::string(argv[1]) == "-C") { // Client mode
std::cout << "The server didn't respond with the correct message. Are you sure you have used the right server?" << std::endl; type = check_client(argv[2], IF_CLI);
return -6;
} }
else {
std::cout << strerror(e) << std::endl;
return -7;
} }
} catch (std::invalid_argument& inv) { } catch (std::invalid_argument& inv) {
std::cout << inv.what() << std::endl; std::cout << inv.what() << std::endl;
return -8; } catch (int err) {
std::cout << strerror(err) << std::endl;
} }
//try {
//type = check_server_client(argc, argv);
//} catch(int e) {
//else {
//std::cout << strerror(e) << std::endl;
//return -7;
//}
//} catch(std::invalid_argument& inv) {
//std::cout << inv.what() << std::endl;
//return -8;
//}
/* Initialize window and other variables */ /* Initialize window and other variables */
SetTraceLogLevel(LOG_NONE); SetTraceLogLevel(LOG_NONE);
raylib::Window window = raylib::Window(WIDTH, HEIGHT, "Pong"); raylib::Window window = raylib::Window(WIDTH, HEIGHT, "Pong");
@ -371,14 +378,14 @@ int main(int argc, char** argv) {
} }
try { try {
type = check_server(ip_text, port_text); type = check_server(ip_text, port_text, IF_GUI);
} catch (int e) { } catch (int e) {
display_and_exit(std::string(std::strerror(e)) + "\nClosing game...", 2); // The server constructor throws the errno if it cannot create a socket display_and_exit_raygui(std::string(std::strerror(e)) + "\nClosing game...", 2); // The server constructor throws the errno if it cannot create a socket
free(ip_text); free(ip_text);
free(port_text); free(port_text);
return -1; return -1;
} catch (std::invalid_argument& inv) { } catch (std::invalid_argument& inv) {
display_and_exit(std::string(inv.what()) + "\nClosing game...", 2); display_and_exit_raygui(std::string(inv.what()) + "\nClosing game...", 2);
free(ip_text); free(ip_text);
free(port_text); free(port_text);
return -1; return -1;
@ -411,12 +418,12 @@ int main(int argc, char** argv) {
EndDrawing(); EndDrawing();
} }
try { try {
type = check_client(code_text); type = check_client(code_text, IF_GUI);
} catch (int e) { } catch (int e) {
display_and_exit(std::string(std::strerror(e)) + "\nClosing game...", 2); // The client constructor throws the errno if it cannot create a socket display_and_exit_raygui(std::string(std::strerror(e)) + "\nClosing game...", 2); // The client constructor throws the errno if it cannot create a socket
return -1; return -1;
} catch (std::invalid_argument& inv) { } catch (std::invalid_argument& inv) {
display_and_exit(std::string(inv.what()) + "\nClosing game...", 2); display_and_exit_raygui(std::string(inv.what()) + "\nClosing game...", 2);
return -1; return -1;
} }
free(code_text); free(code_text);

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