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fuzzy first commit (structure to work on)

This commit is contained in:
xdrm-brackets 2017-02-07 23:17:17 +01:00
parent 03b786779a
commit 2c7431ed69
1 changed files with 67 additions and 5 deletions
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72
lib.c
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@ -25,14 +25,14 @@ int xbind(const int port){
/* [0] Initialization /* [0] Initialization
=========================================================*/ =========================================================*/
int xsocket, bound; int xsocket, bound, clientsock;
static struct sockaddr_in addr; static struct sockaddr_in addr;
/* [1] Create xsocket /* [1] Create xsocket
=========================================================*/ =========================================================*/
/* (1) Create UPD xsocket */ /* (1) Create UPD xsocket */
xsocket = socket(AF_INET, SOCK_DGRAM, 0); xsocket = socket(AF_INET, SOCK_STREAM, 0);
DEBUG&& debug("xbind", "creating server socket"); DEBUG&& debug("xbind", "creating server socket");
/* (r2-) Manage error */ /* (r2-) Manage error */
@ -70,7 +70,19 @@ int xbind(const int port){
DEBUG&& printf("done\n"); DEBUG&& printf("done\n");
/* [4] Return xsocket /* [4] Mark socket so it will listen for incoming co.
=========================================================*/
DEBUG&& debug("xbind", "make socket listen for co");
if( listen(xsocket, 1) < 0 ){
DEBUG&& printf("error\n");
return -1;
}
DEBUG&& printf("done\n");
/* [5] Return xsocket
=========================================================*/ =========================================================*/
return xsocket; return xsocket;
} }
@ -80,6 +92,56 @@ int xbind(const int port){
int xlisten(const int xsocket, struct sockaddr_in* client, char* buffer, int bufsize){
/* [1] Initialization
=========================================================*/
unsigned int sock_len;
int clientsock, bytes;
char buf[bufsize] = {'\0'};
/* [2] Wait for client
=========================================================*/
clientsock = accept(xsocket, (struct sockaddr*) client, &sock_len);
DEBUG&& debug("xlisten", "listening for client");
if( clientsock == -1 ){
DEBUG&& printf("error\n");
return -1;
}
DEBUG&& printf("done\n");
/* [3] Receive client data
=========================================================*/
// while there is chunks to read
do{
/* (1) Receive buffer */
bytes = recv(clientsock, buf, bufsize);
/* (2) Copy to target */
buffer = realloc(buffer, (strlen(buffer)+strlen(buf)) * sizeof(char );
strcat(buffer, buf);
}while( bytes > 0 );
}
int xconnect(const char* hostname, const int port, struct sockaddr_in* serv){ int xconnect(const char* hostname, const int port, struct sockaddr_in* serv){
/* [0] Initialization /* [0] Initialization
@ -91,7 +153,7 @@ int xconnect(const char* hostname, const int port, struct sockaddr_in* serv){
/* [1] Create xsocket /* [1] Create xsocket
=========================================================*/ =========================================================*/
/* (1) Create UPD xsocket */ /* (1) Create UPD xsocket */
xsocket = socket(AF_INET, SOCK_DGRAM, 0); xsocket = socket(AF_INET, SOCK_STREAM, 0);
DEBUG&& debug("xconnect", "creating client socket"); DEBUG&& debug("xconnect", "creating client socket");
/* (r2-) Manage error */ /* (r2-) Manage error */
@ -156,7 +218,7 @@ int xlisten(const int xsocket, struct sockaddr_in *client, char* buffer, int buf
/* (2) Listen */ /* (2) Listen */
DEBUG&& debug("xlisten", "waiting for data"); DEBUG&& debug("xlisten", "waiting for data");
int read = recvfrom(xsocket, buffer, bufsize / sizeof(char) + sizeof(char), 0, (struct sockaddr*) client, &sock_len); int read = listen(xsocket, 1);
/* (3) Manage error */ /* (3) Manage error */
if( read == -1 ){ if( read == -1 ){