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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include "runner.h"
void stdoutWritten(char*);
struct Runner {
void *writeStdout;
};
int main(int argc, char* argv[])
{
// Tries to compare 2 packages version.
if (argc < 3)
{
printf("Please provide 2 packages.\n");
return -1;
}
char *str = malloc((strlen(argv[1]) + strlen(argv[2]) + 2) * sizeof(char));
sprintf(str, "%s %s", argv[1], argv[2]);
Runner *r = createRunner();
r->writeStdout = stdoutWritten;
int ret = execute(r, str);
if (ret < 0)
printf("Execution error\n");
freeRunner(r);
return 0;
}
void stdoutWritten(char *data)
{
printf("From program : %s\n", data);
}
Runner *createRunner()
{
Runner *ret = malloc(sizeof(Runner));
return ret;
}
int execute(Runner *r, char *args)
{
r = r;
int ret = fork();
if (ret > 0)
{
printf("New PID = %d\n", ret);
// Listening socket
int fd = socket(AF_INET, SOCK_STREAM, 0);
if (fd < 0)
printf("ERROR opening socket\n");
struct sockaddr_in serv_addr;
memset(&serv_addr, 0, sizeof(serv_addr));
int portno = 5555;
serv_addr.sin_family = AF_INET;
serv_addr.sin_addr.s_addr = htonl(INADDR_ANY);
serv_addr.sin_port = htons(portno);
if ((ret = bind(fd, (struct sockaddr *) &serv_addr, sizeof(serv_addr))) < 0)
{
printf("ERROR on binding : %d, %d (%s)\n", ret, errno, strerror(errno));
return ret;
}
if ((ret = listen(fd, 5)) < 0)
printf("ERROR on listening : %d, %d (%s)\n", ret, errno, strerror(errno));
while(1)
{
unsigned int clilen = sizeof(serv_addr);
int newfd = accept(fd, (struct sockaddr *) &serv_addr, &clilen);
char buf[256];
int n = read(newfd, buf, 255);
buf[n] = '\0';
printf("received : %s\n", buf);
}
return ret;
}
int fd = socket(AF_INET, SOCK_STREAM, 0);
if (fd < 0)
printf("ERROR opening socket\n");
struct sockaddr_in serv_addr;
memset(&serv_addr, 0, sizeof(serv_addr));
int portno = 5555;
serv_addr.sin_family = AF_INET;
serv_addr.sin_addr.s_addr = htonl(INADDR_ANY);
serv_addr.sin_port = htons(portno);
if ((ret = connect(fd, (struct sockaddr *) &serv_addr, sizeof(serv_addr))) < 0)
{
printf("ERROR on connecting : %d, %d (%s)\n", ret, errno, strerror(errno));
return ret;
}
dup2(fd, STDOUT_FILENO);
ret = execl("/home/detlev/src/c-portage/src/test.py", "test.py", "app-portage/kuroo4-4.2", "app-portage/kuroo4-4.3", NULL);
printf("execl: (%d) %s\n", errno, strerror(errno));
return ret;
}
void freeRunner(Runner *r)
{
free(r);
}
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